Total 574 Senior Executive network engineer job vacancies in Information Technology category

Key Responsibilities

• Provide Level 2/3 support for network infrastructure across data centers, remote branches, and overseas locations.
• Install, configure, and troubleshoot Cisco routers, switches (Nexus, 2960, 3750), and firewalls (Checkpoint, Juniper).
• Manage and support routing protocols including RIP, EIGRP, OSPF, BGP, and HSRP.
• Perform network health checks, DR drills, and ISDN testing for business continuity.
• Coordinate with vendors for SSOE deployments, hardware replacements, and RMA processes.
• Monitor and maintain WAN links using tools like SolarWinds, NetBrain, Riverbed, Algosec, and IBM ISM Service Desk.
• Support and troubleshoot VPNs, VLANs, and public cloud connectivity.
• Generate and maintain documentation for network changes, incident reports, and monthly performance metrics.
• Collaborate with cross-functional teams to resolve network-related issues and implement infrastructure upgrades.
• Ensure compliance with SLA and IT security policies.

Technical Skills & Tools:

• Networking: Cisco (CCNP certified), Nexus, RIP, EIGRP, OSPF, BGP, HSRP, STP, VLAN, VPN
• Firewalls: Checkpoint, Juniper
• Servers: Windows Server 2008/2003, Active Directory, FTP, DNS, DHCP, Backup Server
• Monitoring & Ticketing Tools: SolarWinds, NetBrain, Riverbed, IBM ISM, Ichamp, JIRA, CA Spectrum
• Others: Lotus Notes, Blackberry configuration, SSL VPN, Symantec Endpoint Antivirus

Required Skills & Experience:

·      Bachelor Degree in relevant field (e.g.,Computer Science, Information Technology, Engineering).

·      10+ years of experience

·      Willingness to participate in 24x7 supportrotations and on-site activities.

·      Excellent communication and documentationabilities.

·      Strong analytical and troubleshooting skills.

EA License No.: 96C4864

Reg No.: R25128798 HUANG QIMENG

Looking to expand our network team with an experienced Network Engineer.

Senior Network Engineer should have worked with :

• Enterprise level Network Experience
• Network Architecture Experience
• Hands on L1, L2, and L3 work experience within data centers.
• Perform Troubleshooting activity with various customers, and at data centers. (also able to run cables to test network connectivity)
• networks hands on experience is a must.
• Project management skills required on managing timeline, and working with Operation Team on scheduling and deadlines, as well as customers on their requirements and their timeline.

Requirements.

• Degree holder welcome.
• Renumeration based on experience.
• Outdoor work and overtime work may be required when needed.
• all other network professional papers and certifications would be a bonus
• 8 to 10 years of working in network architecture environment.

Overview

Microsoft has an exciting opportunity for an experienced network engineer to join our Sovereign Cloud Program, working to build out and support networking infrastructure in Microsoft’s National Partner Clouds (NPCs).

NPCs are specialized cloud environments that are designed to comply with the data laws of specific countries and regions.  You would be part of the team responsible for

• enabling secure cross-domain data transfer between the Azure public cloud and the NPCs
• enabling secure operational access to the NPCs for the local operations team
• NPC operations infrastructure – including WAN and LAN connectivity

These capabilities enable secure data transfer between platforms, and have critical and demanding security, sovereignty, monitoring and control requirements. Coupled with the challenges of supporting complex environments across disparate security domains, these roles create exciting complex engineering and service support challenges you can solve with us!

Microsoft’s mission is to empower every person and every organization on the planet to achieve more.  As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals.

Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.

Responsibilities

• You’ll be a critical member of the team responsible for designing, implementing and supporting networking capabilities within high-assurance, secure and highly-available environments.  Your role as a senior network engineer will mean you are responsible for the outcomes the team delivers as well as ensuring other team members grow and learn to deliver better outcomes themselves.
• You’ll be responsible for championing, implementing and refining DevOps practices in order to improve operational efficiency while ensuring other requirements, such as security, are not compromised.
• You’ll lead design, network/code and security reviews across teams to identify risks and prevent classes of bugs prior to release by applying expertise in network implementation, available technologies, analysis of telemetry pipelines, and root cause analysis, as well as best practices in identifying and implementing solutions.
• You’ll understand the capabilities and limitations of existing tools and resources, and the customer impact of design trade-offs and exceptions, to drive and optimize team decision making.
• You’ll actively drive 24/7/365 support, which means participating in rotating on-call duties. Your responsiveness and problem-solving skills will be crucial.
• Collaboration across the global organization is essential. You’ll be a contact point between teams, driving cross-team information sharing and process reuse in order to enhance efficiency and consistency.
• Working closely with security teams, you’ll ensure adherence to security standards. This involves integrating security practices into all aspects of your work. By maintaining a strong security posture, you’ll protect critical assets.
• You should expect to need to travel to the in-country Sovereign Operations Centres on a regular basis. This physical presence is vital for effective coordination, monitoring, and collaboration within the centre.  Exact frequency to be agreed, but needs to be frequent enough to build strong relationships with the partner teams there.

Qualifications

Required:

• Bachelor’s Degree or equivalent and at least 5 years of hands-on experience in designing and providing operational support to complex networking environments.
• Strong knowledge and experience deploying/configuring and maintaining Network environments (both in physical platforms and Azure) including: L2/L3 Routing (BGP) & Switching, Firewalls (NAT & ACLs), IPSEC VPN.
• Azure Fundamentals (AZ-900) or any other equivalent Cloud Certification
• Proficiency in English (spoken and written) is essential for internal collaboration and reporting.

Preferred:

• Deep experience in system and service administration of complex platforms.
• A passion for innovation in complex and constrained environments, to deliver advanced and progressive customer experiences.
• Understanding of the challenges of system and service management in high security domains.
• Systems shell scripting experience (Bash, PowerShell, Python) and Dev Ops suites such as Ansible or equivalent.
• Experience working in broad domains including security, software, networking and service design.
• Extensive experience of service support, with on-call responsibilities. 
• Expertise experience in problem solving and analyzing distributed systems and critical production service environments.   
• DevOps experience, including continuous configuration automation.
• Azure deployment knowledge including Bicep and Arm templates.

Security Clearance Requirements:
This role requires access to sensitive company and customer information. Security clearance ensures regulatory compliance, mitigates security risks, and validates the candidate’s trustworthiness for high-security environments.

Candidates must be able to meet Microsoft, customer, and/or government security screening requirements for this role. These requirements include, but are not limited to, the following specialized security screenings:

• Microsoft Cloud Background Check: Required upon hire/transfer and every two years thereafter.

• Singapore Category 2 Clearance (as applicable): Candidates must be willing to undergo a Cat 2 background check, which may include:

  • Verification of identity and citizenship status

  • Review of education and employment history

  • Criminal record screening

  • Financial or bankruptcy checks, where applicable

  • Assessment of potential security risks (excluding full-scope family investigations required for Category 1)

• Customer or government screening requirements: As needed over time.

Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.

Responsibilities

• Provide L3 Network and Security support.
• Support L2 Engineer to streamline incident calls and ensure service level agreements are met.
• Perform Support to L3 escalations of all network security across Fortinet,F5 Load Balancer,McAfee Proxies,Checkpoint.
• Assist with the documentation of standard operating procedures relating to installations and fixes.
• Act as coach and mentor to more junior Implementation Engineers and Technicians.
• Assume responsibility for the co-ordination of the activities of the Engineers, in line with performance targets.
• Included in higher complexity design work, with input to the design expected.
• Expected to take ownership of relevant technologies according to domain or specialization.

Requirements

• 8 – 10 years of experience in network operations in related industries or equivalent.
• CCIE or other expert level technical certifications equivalent or desirable.
• ITIL®v4 Foundation certification would be an advantage.
• In-depth hands-on working experience with routers, switches, firewalls, ISEs, Load balancers, Web proxies, packet captures, DNS, wireless and etc not limiting to brands such as (Cisco, Checkpoint, F5, Arista,Fortinet, Juniper, Akamai, McAfee, Infoblox, Corvil, Riverbed,
• Good understanding of TCP/IP, DNS, DHCP, GTM, LTM VPN, MP-BGP, OSPF, MPLS, Cisco ACI,SDWAN, Wireless technology; DWDM (ADVA), Multicast, HSRP, Spanning tree, VRF and DDOS.
• Experience with network tools and technologies such as Splunk, NetFlow, packet captures, ServiceNow, JIRA, and SMARTs.
• Ability to work in a fast-paced operational environment.
• Strong interpersonal skills
• Excellent Team Player

The Infrastructure Services Team under Technology ensures the resilience, security, and high-performance of technology infrastructure across various functions of service monitoring, incident management, and technical support. The team ensures seamless operation, maintenance, and strategic growth of core infrastructure components, including networks, servers, storage, middleware, and databases.

The Senior Network Engineer will report to the Network Manager and is responsible for the daily management of network operations, ensuring its alignment with organisational growth and operational objectives

 KeyResponsibilities

 NetworkAdministration

·        Perform network administration in a heterogeneous environment (production, DR, test)comprising of network and security equipment, telecommunication links

·        Perform hardening, upgrade, and enhancement on IT infrastructure components

·        Monitor, assess, schedule, and implement network and product-specific security vulnerability patches

·        Monitor the obsolescence of IT infrastructure components (network systems)

·        Monitor expiry and perform renewal of network system passwords and certificates

·        Implement network backup operations to ensure data recoverability and business continuity

·        Executed disaster recovery plans for IT infrastructure (network systems) and conducted regular disaster recovery (DR) testing and component switchover exercises to ensure usability of standby and DR equipment

·        24 x 7 support is required (Need to work in 5 x shifts)

Project Management and Support

·        Provide system and network support for projects in accordance with the project timeline

·        Manage infrastructure enhancement and projects in accordance with established project management guidelines

Incident and Problem Management

·        Provide second-level network support and resolve incidents and problems in accordance with the established Service Level Agreement (SLA)

·        Perform problem diagnosis on incidents and propose & implementmeasures to prevent recurrence

Change and Release Management

·        Schedule and release network system changes to the production environment in accordance with the change management process/ procedures

·        Present and articulate change requests in CAB or CAMC

Configuration Management

·        Develop and maintain a comprehensive operating system, hardware, and software configuration database/ library of all IT infrastructure components used in the production environment

Capacity and Performance Management

·        Perform infrastructure system and network capacity monitoring and planning

·        Monitor and perform performance tuning to optimize network performance

Process Management

·        Implement the underlying processes supporting IT service management, in conformance with corporate security policies and guidelines

·        Documentation

·        Develop and maintain technical and process documents to upkeep the IT infrastructure

Requirements

Education and Experience

·        Bachelor’s degree in Information Technology, Information Systems, Computer Science, or a related field.

·        Minimum of 15 years of hands-on experience in managing network and security equipment such as Routers, Switches, Firewalls, VPN, Load Balancer, DNS, NAC in financial institutions or mission-critical environments

Skills and Knowledge

·        Proven hands-on network engineering experience

·        Demonstrate good analytical and problem-solving abilities

·        Excellent communication skills and possess a customer-oriented mindset

·        Strong interpersonal skills and able to work independently as well as in a team

·        Ability to manage and prioritise multiple tasks and projects effectively, particularly in a high-stakes environment with competing deadlines

·        Familiarity with data centre operations will be an advantage

Professional Certifications

Certifications in Cisco Certified Network Associate (CCNA), Cisco Certified Network Professional (CCNP) Enterprise, CheckPoint Certified Security Administrator (CCSA), Certified Cloud Security Engineer (CCSE), Palo Alto Certified Network Security Administrator (PCNSA),Palo Alto Networks Certified Network Security Engineer (PCNSE), Fortinet Network Security Expert (NSE) (up to level 4) and Certified Network Defender

The Infrastructure Services Team under Technology ensures the resilience, security, and high-performance of technology infrastructure across various functions of service monitoring, incident management, and technical support. The team ensures seamless operation, maintenance, and strategic growth of core infrastructure components, including networks, servers, storage, middleware, and databases.

The Senior Network Engineer will report to the Network Manager and is responsible for the daily management of network operations, ensuring its alignment with organisational growth and operational objectives

 KeyResponsibilities

 NetworkAdministration

·        Perform network administration in a heterogeneous environment (production, DR, test)comprising of network and security equipment, telecommunication links

·        Perform hardening, upgrade, and enhancement on IT infrastructure components

·        Monitor, assess, schedule, and implement network and product-specific security vulnerability patches

·        Monitor the obsolescence of IT infrastructure components (network systems)

·        Monitor expiry and perform renewal of network system passwords and certificates

·        Implement network backup operations to ensure data recoverability and business continuity

·        Executed disaster recovery plans for IT infrastructure (network systems) and conducted regular disaster recovery (DR) testing and component switchover exercises to ensure usability of standby and DR equipment

·        24 x 7 support is required (Need to work in 5 x shifts)

Project Management and Support

·        Provide system and network support for projects in accordance with the project timeline

·        Manage infrastructure enhancement and projects in accordance with established project management guidelines

Incident and Problem Management

·        Provide second-level network support and resolve incidents and problems in accordance with the established Service Level Agreement (SLA)

·        Perform problem diagnosis on incidents and propose & implementmeasures to prevent recurrence

Change and Release Management

·        Schedule and release network system changes to the production environment in accordance with the change management process/ procedures

·        Present and articulate change requests in CAB or CAMC

Configuration Management

·        Develop and maintain a comprehensive operating system, hardware, and software configuration database/ library of all IT infrastructure components used in the production environment

Capacity and Performance Management

·        Perform infrastructure system and network capacity monitoring and planning

·        Monitor and perform performance tuning to optimize network performance

Process Management

·        Implement the underlying processes supporting IT service management, in conformance with corporate security policies and guidelines

·        Documentation

·        Develop and maintain technical and process documents to upkeep the IT infrastructure

Requirements

Education and Experience

·        Bachelor’s degree in Information Technology, Information Systems, Computer Science, or a related field.

·        Minimum of 15 years of hands-on experience in managing network and security equipment such as Routers, Switches, Firewalls, VPN, Load Balancer, DNS, NAC in financial institutions or mission-critical environments

Skills and Knowledge

·        Proven hands-on network engineering experience

·        Demonstrate good analytical and problem-solving abilities

·        Excellent communication skills and possess a customer-oriented mindset

·        Strong interpersonal skills and able to work independently as well as in a team

·        Ability to manage and prioritise multiple tasks and projects effectively, particularly in a high-stakes environment with competing deadlines

·        Familiarity with data centre operations will be an advantage

Professional Certifications

Certifications in Cisco Certified Network Associate (CCNA), Cisco Certified Network Professional (CCNP) Enterprise, CheckPoint Certified Security Administrator (CCSA), Certified Cloud Security Engineer (CCSE), Palo Alto Certified Network Security Administrator (PCNSA),Palo Alto Networks Certified Network Security Engineer (PCNSE), Fortinet Network Security Expert (NSE) (up to level 4) and Certified Network Defender

Professional Qualifications:

• Diploma or Bachelor’s degree in information technology or any related discipline.
• Industry-recognized network certifications such as CCNP or equivalent are strongly preferred.

Skills:

• Minimum 7 years of experience in supporting high-tech environments using Cisco networking solutions.
• In-depth knowledge of Cisco Switches, Access point and Firewall
• Strong expertise in wired, wireless, and VPN network support, with a focus on enterprise-level networks.
• Proficiency in network monitoring and diagnostic tools to ensure optimal performance and security.

• Evaluate, assess, and recommend emerging networking technologies by conducting Proof of Concepts (PoCs) and technical evaluations to determine their suitability for enterprise banking environments, with a strong focus on scalability, resiliency, security, and regulatory compliance.
• Serve as the Subject Matter Expert (SME) for enterprise network architecture, leading end-to-end solution design, planning, implementation, and validation across mission-critical environments.
• Design, implement, and support network and security solutions, including LAN, SD-WAN, SASE, firewalls, load balancers, network automation, and observability platforms across data center and branch infrastructures throughout the APAC region.
• Architect and manage advanced data center networking solutions, including Spine-Leaf architectures, VXLAN/EVPN fabrics, multi-site interconnectivity, and highly available network designs that support business continuity and disaster recovery requirements.
• Provide deep technical expertise in routing, switching, and transport technologies, including BGP, OSPF, IS-IS, MPLS, Segment Routing, VRFs, QoS, network virtualization, multi-tenancy, and Zero Trust segmentation strategies at both macro and micro levels.
• Develop and maintain architecture standards, technical documentation, High-Level Designs (HLDs), Low-Level Designs (LLDs), implementation guides, operational runbooks, and network governance frameworks.
• Conduct architecture reviews, risk assessments, performance audits, and compliance evaluations, delivering recommendations to enhance network performance, security posture, and alignment with enterprise standards.
• Present technical solutions and infrastructure strategies to both technical and management stakeholders, ensuring alignment with organizational objectives, security policies, and regulatory requirements.
• Provide technical leadership and escalation support during major incidents, complex troubleshooting scenarios, and critical infrastructure changes, driving corrective and preventive actions when necessary.
• Collaborate closely with cross-functional teams, including Infrastructure, Security, Middleware, End User Computing, Project Management, and Application teams, to design, deploy, and troubleshoot integrated technology solutions.
• Partner with regional and country IT teams across APAC to review network architectures, resolve complex technical issues, and drive infrastructure modernization initiatives.
• Coordinate with external vendors and service providers to ensure successful project delivery and adherence to agreed service levels and contractual obligations.

Requirements

• Bachelor's Degree in Computer Science, Information Technology, Engineering, or a related discipline.
• Minimum 7 years of hands-on experience in designing, implementing, and managing large-scale enterprise network and security infrastructures.
• Minimum 3 years of experience in the design and deployment of SASE, Cisco SD-WAN, Network Automation, and Network Observability solutions within large enterprise environments.
• Strong technical expertise in enterprise and data center networking, including architecture, implementation, and operational support.
• Proven experience designing and implementing highly available, multi-tier data center network infrastructures.
• Hands-on proficiency with networking and security technologies from Cisco, F5, Check Point, Fortinet, and Palo Alto Networks.
• Experience with multi-vendor network automation and observability platforms.
• Demonstrated technical leadership with the ability to drive end-to-end solution delivery across complex projects and programs.
• Excellent written, verbal, and presentation skills, with the ability to effectively communicate technical concepts to both engineering teams and senior leadership.
• Professional certifications such as CCIE (Enterprise Infrastructure, Security, or DevNet), CCDE, or CCNP are highly desirable.
• Prior experience within banking, financial services, or other highly regulated industries is advantageous.
• Knowledge of IT Service Management (ITSM) frameworks and operational best practices is preferred.
• Familiarity with regional regulatory and compliance requirements, including MAS, RBI, BOT, and other relevant financial industry standards.

To apply, please visit www.gmprecruit.com and search for Job Reference: 934WXVWY

We regret that only shortlisted candidates will be notified.

GMP Technologies (S) Pte Ltd | EA License: 11C3793 | EA Personnel: Bautista Gia Grace De Guzman | Registration No: R23111973

Responsibilities:

•           Provide Level 2/3 IT network security operations support

•           Respond to incident calls and ensure the SLA to our clients is met

•           Perform changes to the network in-line with the organization’s ChangeManagement processes

•           Ensure compliance to policies, processes and standards, both internal andclients’ organization

•           Prepare network analysis reports, including findings with analysis

•           Participate in regular operations review meetings, including operationalissues, tickets review etc

•           Participate in projects/activities to support improvement initiatives

•           Conduct proper handover from the project team to operations after commissioningof projects.

•           Conduct internal training and/or knowledge transfer to team.

•           Update operations documentation (technical, CMDB, etc).

Requirements:

•           At least 5 years of experience providing network operational and administrationsupporting Cisco products (Routers / Switches/WLAN)

•           Diploma or Degree in Engineering, IT or its related field.

•           Minimum Cisco CCNP certification

•           In-depth knowledge of network routing and switching technologies and protocols

•           Knowledge of network security, load balancing and optimizationtechnologies 

•           Experience working with Cisco network, Bluecoat Proxy, F5 Load Balancer, PaloAlto/Checkpoint/Fortinet firewall and Splunk is preferred.

•           Ability to work in a multi-cultural team

•           Good communication skills both written and verbal.

•           Ability to prioritise work & multitask

•           Analytical and possess good troubleshooting skills.

•           Willing to work in extended hours and perform standby duty after office hour

Responsibilities:

•           Provide Level 2/3 IT network security operations support

•           Respond to incident calls and ensure the SLA to our clients is met

•           Perform changes to the network in-line with the organization’s ChangeManagement processes

•           Ensure compliance to policies, processes and standards, both internal andclients’ organization

•           Prepare network analysis reports, including findings with analysis

•           Participate in regular operations review meetings, including operationalissues, tickets review etc

•           Participate in projects/activities to support improvement initiatives

•           Conduct proper handover from the project team to operations after commissioningof projects.

•           Conduct internal training and/or knowledge transfer to team.

•           Update operations documentation (technical, CMDB, etc).

Requirements:

•           At least 5 years of experience providing network operational and administrationsupporting Cisco products (Routers / Switches/WLAN)

•           Diploma or Degree in Engineering, IT or its related field.

•           Minimum Cisco CCNP certification

•           In-depth knowledge of network routing and switching technologies and protocols

•           Knowledge of network security, load balancing and optimizationtechnologies 

•           Experience working with Cisco network, Bluecoat Proxy, F5 Load Balancer, PaloAlto/Checkpoint/Fortinet firewall and Splunk is preferred.

•           Ability to work in a multi-cultural team

•           Good communication skills both written and verbal.

•           Ability to prioritise work & multitask

•           Analytical and possess good troubleshooting skills.

•           Willing to work in extended hours and perform standby duty after office hour

About the Role

We are seeking a highly skilled and experienced Senior Network Engineer on behalf of our client to design, implement, maintain, and automate robust data center and enterprise network infrastructures.

This is a critical role requiring a rare technical trifecta: hands-on, expert-level mastery across Cisco, Juniper, and Micas platforms. If you are a seasoned engineer who thrives in complex, multi-vendor environments, loves bridging the gap between physical infrastructure and cutting-edge network automation, and enjoys mentoring junior talent, we want to hear from you.

Key Responsibilities

• Multi-Vendor Infrastructure Management: Oversee, configure, and troubleshoot complex data center and enterprise environments spanning Cisco, Juniper, and Micas platforms.

• Advanced Routing & Switching: Maintain high-availability network architectures utilizing advanced Layer 1–3 protocols ($BGP$, $OSPF$, $MPLS$, $VRF$, and multicast).

• Network Automation: Drive efficiency by developing and implementing automation workflows, infrastructure as code (IaC), and scripting solutions.

• Physical DC Operations: Oversee structured cabling, fiber optics, and physical space planning within the data center environment.

• Security & Compliance: Enforce robust network security postures across multi-vendor environments using AAA, 802.1X, ACLs, and firewalls.

• Monitoring & Documentation: Utilize DCIM and observability tools to ensure uptime, and author comprehensive technical documentation (SOPs, MOPs, and detailed network diagrams).

• Leadership & Mentorship: Act as a technical escalation point and provide guidance, coaching, and mentorship to junior and mid-level engineering staff.

Required Technical Skills & Qualifications

Core Experience

• 7+ years of dedicated experience in enterprise networking and data center operations.

Platform Expertise (Must possess hands-on experience in ALL three)

• Cisco: Catalyst, Nexus, ASR, and ISE.

• Juniper: Junos, EX, MX, and SRX series.

• Micas: Proven hands-on deployment and management experience.

Networking Fundamentals & Protocols

• Deep understanding of Layer 1–3 fundamentals.

• Advanced L3 routing proficiency: BGP, OSPF, MPLS, VRF, and Multicast.

Automation & Tools

• Network Automation: Proficiency with Python, Ansible, and Terraform.

• DCIM & Monitoring: Experience with NetBox, Splunk, ELK stack, or similar observability platforms.

Security & Physical Infrastructure

• Security: AAA, 802.1X, ACLs, and multi-vendor firewall administration.

• Physical Layer: Solid understanding of structured cabling, fiber optic types, and physical data center layout/operations.

Documentation & Certifications

• Strong track record of creating SOPs, MOPs, and network diagrams.

• Minimum Certification: CCNA required.

• Preferred Certification: CCNP, JNCIP, or equivalent multi-vendor certifications are strongly preferred.

Nice-to-Have Skills

• Experience with Ciena or Coriant optical transport systems.

• Familiarity with Nokia platforms.

• Knowledge of SD-WAN architectures and deployments.

• Cloud networking experience (AWS, Azure, or GCP).

• Experience implementing CI/CD pipelines for network infrastructure.

What We Offer

• Competitive salary and comprehensive benefits package.

• Opportunity to work with a highly sophisticated, diverse tech stack.

• A collaborative environment that values continuous learning and technical leadership.

Role Overview

We are looking for an experienced Senior Systems & Network Engineer to support security-centric infrastructure projects. The role involves system and network infrastructure engineering, implementation, operations support, technical escalation, security hardening, compliance activities and stakeholder coordination.

This position is suitable for candidates with strong hands-on experience in systems, networking, security infrastructure and project implementation across physical and virtualised environments.

Key Responsibilities

• Provide system and network infrastructure engineering support for small to large-scale security-focused infrastructure projects.

• Work closely with solution architects to define the best approach for system and network design and implementation across physical and virtualised environments.

• Act as the technical escalation point and subject matter expert for system security, network architecture, implementation and operations.

• Lead technical implementation of new network and system solutions, working alongside project managers, customers, telcos and product partners.

• Perform and validate system and network hardening activities and maintain baseline configuration documentation.

• Lead ad-hoc technical activities such as major maintenance, migrations and disaster recovery exercises.

• Support compliance and audit activities to ensure policies, standards and procedures are properly enforced.

• Mentor and guide junior engineers where required.

• Provide standby support after office hours when needed.

Requirements

• Diploma or Degree in Engineering, Information Systems, Information Security or a related discipline.

• Minimum 5 years of relevant experience in systems, network infrastructure or security infrastructure roles.

• Strong knowledge of networking fundamentals and industry-standard IT protocols.

• Hands-on experience with Windows, Linux, VMware and/or Hyper-V environments.

• Strong experience with Next-Generation Firewalls, VPN, switching/routing, load balancers and proxies.

• Experience in Windows Server domain environments, including Active Directory, Group Policy, DNS/DHCP and SCCM.

• Good understanding of system and network security, including hardening, patching, capacity planning and design.

• Experience in scripting, resource capacity planning and system design will be an added advantage.

• Good communication skills with a proactive, driven and team-oriented working attitude.

Preferred Skills and Certifications

• Professional IT or security certifications such as ITIL, CCNA, CCNP, MCSE or VMware certification will be preferred.

• Certifications or hands-on experience in Microsoft, VMware, Cisco, Check Point, Palo Alto, Fortinet or F5 technologies will be an advantage.

• Advanced certifications such as CCIE or CISSP will be advantageous.

Key Skills

Systems Engineering, Network Engineering, Infrastructure Security, Windows Server, Linux, VMware, Hyper-V, Firewall, VPN, Routing, Switching, Load Balancer, Active Directory, DNS, DHCP, SCCM, Security Hardening, Disaster Recovery, IT Infrastructure Implementation

Laurence Andaya - R26159876
Recruitment Consultant

EA 05C3053
BGC Group Pte Ltd (Outsourcing)

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Should focus on day-2-day operations, incident, change management, and user centric trouble shooting.

Operate andcontinuously improve the organization’s Secure Access Service Edge (SASE)services using Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA),ensuring secure, reliable user connectivity and strong policy governance.

Keyresponsibilities (Operational / BAU)

• Runday-to-day operations for ZIA (web gateway, SSL inspection, URL filtering,cloud app control, sandbox, DLP , DNS security).

• Runday-to-day operations for ZPA (App Segments, Access Policies, Connectormanagement, posture requirements, policy troubleshooting).

• Monitorservice health and user experience; proactively identify trends and recurringissues.

• HandleL2/L3 incident troubleshooting: authentication issues (SSO/SAML),PAC/forwarding issues, tunnel/connector issues, policy blocks, certificate/SSLinspection issues.

• Performpolicy administration: create/update rules, exceptions, and change deploymentsfollowing CAB/ITSM change controls.

• Maintainforwarding architecture: Zscaler Client Connector, GRE/IPsec tunnels, PACfiles, forwarding profiles, location configuration, traffic steering.

• Manageintegrations: IdP (Azure AD/Entra ID, Okta, ADFS), SIEM (Splunk/QRadar),ticketing (ServiceNow), endpoint tools (Intune/Jamf), MFA.

• Executeroutine operational tasks: connector upgrades, certificate updates, locationupdates, application onboarding to ZPA, user/group updates.

• Work withvendors/TAC; drive cases to closure and implement corrective actions.

• Maintaindocumentation: runbooks, SOPs, troubleshooting guides, policy standards,onboarding checklists.

• Supportaudits and compliance: policy reviews, recertification evidence,logging/retention checks. Menlo Web Isolation Maintain allow-list/whitelist forapproved URLs/domains based on business justification and securityrequirements.

• Manageexception lifecycle: approvals, expiry dates, periodic review/cleanup, andrecertification evidence.

• Ensureisolation policies align with ZIA policies and do not create conflicting userexperience (e.g., bypass vs isolate logic) Site not loading in isolation,rendering issues, broken web apps, file download/upload restrictions,clipboard/printing controls (as applicable)

Coreskills:

• Strongworking knowledge of ZIA (SSL inspection, URL filtering, CASB/app control,sandbox, forwarding methods).

• Strongworking knowledge of ZPA (connectors, app segments, access policies, posture,authentication flows).

• Troubleshootingacross endpoint + network + identity (DNS, TLS cert chains, proxy behavior,SAML/SSO, routing).

•ITSM/change management discipline (ServiceNow/JIRA), documentation habits.Strong knowledge about Zero Trust concepts

•Nice-to-have: SIEM integration, DLP, basic scripting (PowerShell/Python) forops automation.

We are looking for a skilled Network Engineer to administer and support our network infrastructure,ensuring optimal performance, reliability, and security across all sites and data centers.

Key Responsibilities

Network Infrastructure Administration

• Administer and support routers, switches, wireless access points, WLAN controllers, AAA servers, and encryptors.
• Respond to and diagnose network access and performance tickets:
• Service and close support tickets for wired and wireless client endpoints.
• Troubleshoot 802.1X authentication/authorization issues and escalate L2/L3 issues as necessary.
• Monitor network availability and respond immediately to system alerts.
• Perform root cause analysis of incidents and replace failed network components.
• Execute routine automation tasks to maintain secure configurations, backup management, and firmware upgrades.
• Manage operational activities and implement network changes.
• Track equipment lifecycle, procure replacements, and ensure timely project closure and payment.
• Manage network support agreements and telco circuit contracts, including renewals and payments.
• Support project teams in delivering IT services.

Network Communications Rooms & Data Centre Management

• Standardize and provision cabling for network access and data centers.
• Respond to alerts and resolve UPS and PDU faults.
• Work with contractors to replace faulty UPS and PDU units.
• Coordinate with Facilities Management for M&E issues (air-conditioning, electrical, fire safety) in network comms rooms.
• Escort external vendors/contractors for network-related activities.

Inventory &Documentation

• Maintain clear and concise documentation of network infrastructure, rack layouts, and cabling interconnects.
• Keep inventory up-to-date and perform periodic audits.
• Retire obsolete equipment following organizational procedures.

Qualifications & Skills

• Formal technical certification such as Cisco CCNA is preferred.
• Experience in network automation and scripting using tools like Ansible, Python,Terraform, GitLab is a plus.
• Strongcustomer service orientation with excellent communication skills.
• Self-motivated, detail-oriented, and able to work both independently and collaboratively.

• Handle regular preventive maintenance on the SD-WAN Platform Operations. 
• Support the expansion, upgrades and rollouts of new network and systems infrastructure involving hardware such as routers, switches, firewalls, virtual appliances, VNFs, network monitoring and management systems.
• Support engineering teams on new product/ feature implementation, node deployment, and technical support matters. 
• Responsible for troubleshooting and timely resolution of faults/issues within the SD-WAN platforms services. 
• Analyze SD-WAN platforms performance and take proactive actions and preventive measures to monitor and enhance the network performance including software and hardware upgrades, etc. 
• Prepare statistical reports on network and equipment performance.
• Analyzing financial information (e.g. revenues, expenditures and cash management) to ensure all operations are within budget.
• Presenting annual budgets to management.
• Vendor negotiation and preparation of cost analysis and justifications.
• Perform SD-WAN platforms performance analysis.
• Proactively engage Engineering teams and recommend courses of actions to prevent incidents that may be caused by performance issues.
• Archive prepared reports for future reference of job performance.

Skills for Success:

• A Bachelor’s degree Electrical / Electronic / Computer Engineering / Computer Science / Information Systems from a recognized institution. 
• 8 years minimum IP network experience
• 3-5 years' experience with SD-WAN systems
• Possess expertise with routers and switches installation e.g. Cisco, Juniper, Mellanox, Dell.
• Possess expertise with Cisco SD-WAN, VMware VeloCloud SD-WAN, HPE Aruba SilverPeak SD-WAN, Fortinet SD-WAN, FortiSASE etc.
• Good understanding of Internet routing protocols and technologies including TCP/IP, BGP, MPLS/VPN.
• Knowledge of routers/switches architecture and software upgrade    procedure.  Good analytical and trouble-shooting skills in the area of technical fault isolation and rectification
• Knowledge of hypervisors such as eSXI, Adva, proxmox and KVM.