Total 3,858 network engineer job vacancies

Job Description

- Design, configure, and maintain enterprise MPLS and Enterprise network infrastructure (LAN/WAN, routing, switching and Firewall).

- Monitor network performance and ensure high availability and reliability.

- Troubleshoot network issues and provide timely resolution to minimize downtime.

- Implement network changes, upgrades, and optimizations in line with industry best practices.

- Collaborate with cross-functional teams to support IT and business requirements.

- Maintain detailed documentation of network configurations, processes, and incidents.

- Ensure compliance with network security policies and standards.

- Manage Servers supporting network devices and ensure they are patched to latest version (Windows)

- Provide technical consultancy for system onboarding to MPLS network infra.

Qualifications

- Strong knowledge and practical experience with Switching (VLAN, STP, Trunking, Port Security, etc.).

- Hands-on experience with Routing protocols (OSPF, BGP, EIGRP, RIP).

- Min 5 years Hands-on working experience with large-scale MPLS network configuration (P/PE/CE router, VRF, VRF Route fusion).

- Experience in configuring and managing Cisco/Juniper/Aruba or equivalent enterprise networking devices.

- Handson Experience with Cisco ISE, DNAC and F5 Load balancers

- Solid understanding of TCP/IP, DHCP, DNS, and general IP addressing.

- Knowledge of Windows Servers and workstation Patching.

- Working knowledge of firewalls (Fortinet, Palo Alto, Cisco ASA, Check Point, etc.).

- Familiarity with network security concepts (IDS/IPS, VPNs, Zero Trust, etc.).

- Experience with monitoring tools like SolarWinds, Nagios, PRTG, WUG, Veeam Backup, SyslogNG .

- Exposure to cloud networking and VPC management (AWS, Azure, GCP) is a plus.

- Knowledge of Windows Servers/Hyper-V management. (AD, CA, SMTP, DNS, WSUS, etc).

Assume a vital position as a key member of a high-performing team that delivers infrastructure and performance excellence. Your role will be instrumental in shaping the future at one of the world's largest and most influential companies.

As a Lead Infrastructure Engineer at JPMorganChase within the Infrastructure Platforms teams, you will be responsible for the strategic evaluation of network technologies and topologies, ensuring compliance with industry standards and organizational objectives. This role drives requirements for network planning tools, develops performance metrics, leads initiatives for improved performance and design optimization, builds business cases for these initiatives, supports audit, risk, and compliance activities, and collaborates with regional carriers to adopt the best product solutions.

Job responsibilities

• Lead technology and topology strategy by evaluating emerging and established network technologies and recommending solutions aligned to business, security, and resiliency needs.

• Design and standardize target network topologies (LAN/WAN/DC/Cloud connectivity) that optimize performance, scalability, availability, and operational supportability.

• Own requirements definition for network planning/management tools, translating business outcomes and technical constraints into clear epics, features, and acceptance criteria.

• Partner with software engineering teams to prioritize the tool roadmap, validate delivered functionality, and ensure fit-for-purpose planning workflows and UX for engineers.

• Drive automation and integration across planning, inventory, capacity, and change processes to reduce manual effort, improve data quality, and speed decision-making.

• Define and implement network performance metrics and KPIs, establishing measurement standards, thresholds, and reporting cadences across critical services and regions.

• Analyze performance and capacity data to identify trends, bottlenecks, and systemic issues; provide actionable insights and continuous improvement recommendations.

• Lead performance and design optimization initiatives, embedding best practices and innovations to improve efficiency, reliability, and end-to-end service quality.

• Build and present business cases (cost/benefit, risk reduction, ROI, and delivery approach) to secure funding and executive alignment for optimization programs.

• Ensure audit, risk, and compliance readiness by maintaining end-to-end documentation, supporting control testing and regulatory expectations, partnering with compliance, and coordinating with regional carriers/service providers to align standards, interoperability, and service performance.

Required qualifications, capabilities, and skills

• Bachelor’s degree in Computer Science, Information Technology, Engineering, or related field.

• 5+ years of experience in network planning, infrastructure engineering, or related roles.

• Deep understanding of network technologies, topologies, and transport protocols.

• Experience interpreting and applying industry standards to network design.

• Demonstrated ability to define requirements for software tools and collaborate with development teams.

• Experience developing and implementing network performance metrics.

• Proven track record of driving performance improvement and design optimization initiatives.

• Experience developing business cases and presenting to leadership.

• Familiarity with audit, risk, and compliance processes and documentation.

• Experience collaborating with regional carriers or service providers on network solutions.

• Strong analytical, documentation, and communication skills.

Preferred qualifications, capabilities, and skills

• Experience with network automation and orchestration platforms.

• Familiarity with cloud and hybrid network architectures.

• Project management or requirements engineering certification is a plus.

To apply for this position, please use the following URL:

https://ars2.equest.com/?response_id=41213b6cb951705808512d531acf12a5

Successful candidates need to be comfortable with working on weekends, and rotation shifts as and when required.

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.
• Any other ad-hoc duties as assigned by supervisors.

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's degree in relevant field (e.g., Computer Science, Information Technology, Engineering).
• Around 10+ years of experience
• Willingness to participate in 24x7 support rotations and on-site activities.

Interested applicants, please email your resume to Douglas Tan Yu Feng

Email: douglastan@recruitexpress.com.sg

CEI Reg No: R26160004

EA Licence No: 99C4599

Recruit Express Pte Ltd

Job Responsibilities:

• Plan and undertake scheduled preventive maintenance tasks.
• Develop and enhancement of Preventive Maintenance equipment checklists for Enterprise Network and UPS System.
• Perform the preventive maintenance by following PM checklist for functional checks, health checks at Clients’ premises.
• Perform basic equipment break-fix during preventive maintenance windows when required.
• Carry out basic troubleshooting, minor repair for IT enterprise products.
• Prepare preventive maintenance documentation for submission.
• Record and report equipment failure discovered during the preventive maintenance cycle.
• Provide maintenance and support for Customers' Enterprise IT Network Services.
• Perform break-fix which include troubleshooting and problem identification for any network services.
• Develop test cases and conduct proof of concept tests on new software and hardware prior to upgrade/deployment.
• Perform the role of Project Lead / Coordinator in project management for small to medium size projects or Service Requests.
• Work closely with Service Delivery Manager to fulfil deliverables, service report and operational request.
• Establish TAC cases with the principal vendor for complex problem until resolution.

Job Requirements:

• Good technical skills in engineering, computer and IT systems, and preferably in network. Preferably with good knowledge in any of the following areas:
• Enterprise Network products/solutions: Cisco/Alcatel Switches/routers, wireless link controller, etc.
• Network Monitoring: SolarWinds, Cisco Prime Infras, Alcatel Omni-Vista.
• Network Appliances based: Microsemi NTP Server, F5.Knowledge in ITIL processes and framework.
• CCNA / CCNP highly preferred
• Ability to engage external stakeholders to resolve site issues.
• Highly motivated and self-driven to complete assigned tasks with limited resources and tight schedule.
• Able to handle complex technical challenges and different groups of users and external vendors.
• At least 3 years of experience with successful track record in maintaining large scale IT infrastructure for Government related agencies.
• Excellent communication and interpersonal skills, with the ability to work well at all levels.
• Able to work flexible hours especially during after-office hour for scheduled maintenance windows, if required.
• Possess strong analytical skills with positive attitude.
• Required to have minimum 3 – 5 years of hands-on network technical support experience in SI Environment.
• Hands-on Experience working with LAN/WAN/WLAN which include
• Cisco Wireless, Routers, Catalyst and Nexus Switches, Firepower, IPS/IDS, ISE, ASA, ESA, WSA, SMA
• Alcatel Wireless and Omni Switch
• Arista Switches and Cloudvision
• Fortinet, Checkpoint and Palo Alto Firewalls
• SolarWinds NPM/NCM/NTA, F5 LTM and Aruba ClearPass

• Fast-paced environment
• Proven analytical and problem-solving abilities.
• Highly self-motivated and directed, with keen attention to detail.
• Experience working in a team-oriented, collaborative environment.
• Good communication and writing skills.
• Strong customer service orientation.
• Able to work in 24 x 7 standby duties

Work location: Jurong East

RESPONSIBILITIES

1)     Administrative Functions

·       Support the Service Manager in preparation of weekly and monthly service reports.

·       Process meter billing and ensure accurate updates in the CRM system.

·       Collaborate with the Customer Service Team to ensure smooth and efficient daily service operations when required.

·       Maintain proper documentation and service records for audit and tracking purposes.

2)     Technical Functions

·       Assist in the installation, setup, and configuration of copiers/ multifunction printers(MFPs) and smart office solutions.

·       Attend to on-site service calls and urgent breakdowns, ensuring timely resolution.

·       Support engineers in troubleshooting hardware issues (machines, networking, peripherals) and software-related problems (drivers, system integration, workflow solutions).

·       Assist in deploying and troubleshooting smart enterprise solutions such as document management systems, print management software, and workflow automation tools.

REQUIREMENTS

·       Diploma in Engineering, IT, Electronics, or related discipline.

·       Experience in copier/ MFP servicing, print solutions, or office automation systems.

·       Sound knowledge of network setup (IP configuration, drivers installation).

·       Proficient in MSOffice (Excel, Power point), MCSE, HTML

·       Good communication and interpersonal skills.

·       Able to work independently and as part of a team.

·       Willing to travel for on-site servicing across Singapore.

Pleasesubmit resumes to jason.chow@oaktree.com.sg with the following details in MSWord format:

·      Position applying for

·      Current remuneration

·      Expected remuneration

·      Notice period

Jason Chow Yew Fai

EA License No :       06C4642

EA Reg No :           R25158800

We regret that only shortlisted candidates will be notified.

Job Description & Requirements

Key Requirements, Roles & Responsibilities:

• Gather business and/or application requirements on the infrastructure to plan, design, install, test &implement systems in accordance with the specifications & service level.
• Aligned or enhanced ITSM/ITIL methodologies in daily operations e.g. Change, Incident, problem, release management & CMDB.
• Monitor & measure the performance & availability of systems proactively; implement corrective actions identified to improve performance & service level availability.
• Network engineering professional with extensive experience in designing and operating large scale networks, cloud and infrastructure environments across ISP, Managed Service Provider and Hosting platforms, including technical leadership of enterprise network initiatives.
• Specialized in multi-vendor architecture (Cisco, Juniper, MikroTik, FRR), Infrastructure-as-Code automation and hybrid cloud networking.
• Proven track record of improving service reliability, scalability and operational efficiency through strategic design and enterprise scale implementation.
• Respond promptly to incident, root cause analysis & provide temporary and/or permanent resolution of incidents escalated.
• Provide timely status updates to relevant parties.
• Implement service continuity measures, i.e., backup/restore procedures & disaster recovery plan, to ensure continuous operation of the business.
• Create and maintain comprehensive documentation for all implemented networks.
• Assist in preparation of proposals and solution presentations.
• Able to lead a team of network engineers (size).
• Attain key certifications for partnership with key vendors.
• 24 x 7 standby is required.

Disclaimer: The company is committed to ensuring the privacy and security of your information. By submitting this form, you consent to the collection, processing, and retention of the information you provide. The data collected (which may include your contact details, educational background, work experience and skills) will be used solely for the purpose of evaluating your qualifications for the position you're applying for. Your data will be stored securely and retained for the duration necessary to fulfill our hiring process. If you are not selected for the position, your data will be kept on file for a limited period in case future opportunities arise. You have the right to access, correct, or delete your data at any time by contacting us at Quess Singapore | A Leading Staffing Services Provider in Singapore (quesscorp.sg)

This is in partnership with the Employment and Employability Institute Pte Ltd (“e2i”).

e2i is the empowering network for workers and employers seeking employment and employability solutions. e2i serves as a bridge between workers and employers, connecting with workers to offer job security through job-matching, career guidance and skills upgrading services, and partnering employers to address their manpower needs through recruitment, training, and job redesign solutions. e2i is a tripartite initiative of the National Trades Union Congress set up to support nation-wide manpower and skills upgrading initiatives. By applying for this role, you consent to Quesscorp Singapore’s PDPA and e2i’s PDPA

Reporting to the Manager of Network Engineering and Operations. This role is a key individual within the Infrastructure Technology team providing technical expertise and support on network infrastructure operations, engineering and governance.

The Network Engineer will work with external technology vendors, System Integrators (SI), hosting service providers and internal IT groups and business units to provide technical expertise on global network design and global network operations and involved in network transformation and modernization initiatives. The role will provide support for day-to-day global network operations.

• Provide L2 network support.
• Provide 24/7 support for any network and security related high severity incidents.
• Develop and drive IT Service Management strategy for IT Operations, namely, Incident, Problem, Request and Change Management.
• Closely collaborates with IT infrastructure teams, Information Security team, IT application teams and other peers on architecture, solutions and network operations.
• Design, implement, and maintain network architectures that meet business objectives and service level agreements (SLAs).
• Perform routine network maintenance tasks, including applying patches, hot fixes, and security configurations. Monitor system resource utilization, trends, and capacity planning. Ensure system availability and reliability by monitoring performance and addressing any issues promptly.
• Configure and install various network devices and services, including routers, switches, firewalls, load balancers, wireless components, VPNs, and quality of service (QoS) components.
• Ensure stability and availability of Network SDWAN Infrastructure through application of ITSM best practices and continuous improvement and by co-ordinating with themanaged services vendor.
• Manage communication, user training and documentation for SDWAN /Network processes andtools related to IT Network Operations.
• Co-ordinate with the service providers to maintain and manage the Data centre operations, internet circuits, P2P links, Content Delivery Network solutions.
• Co-ordinate with managed service vendors to maintain and manage unified communications solutions.

Qualification andRequirements

• Bachelor’s degree in IT or equivalent experience.
• Minimum 3-5 years of experience in configuring and managing Cisco nexus switches, Cisco catalyst switches, routers, load balancers and Cisco / Meraki wireless solutions.
• Experience in configuring and managing routing protocols.
• At least 3-4 years hands on engineering, support, projects or operations experience in infrastructure, network and network security.
• Good knowledge on SDWAN solution.
• Knowledge on Content delivery network, SASE solutions, VPNs and Firewalls would be an added advantage.
• Good understanding on the ITIL process.
• Superior problem solving and Troubleshooting skills.
• Excellent Reporting and Communication skills.
• Ability to prioritize and execute tasks in high-pressure situations with guidance.
• Positive and professional working attitude, ability to work as a team or as an individual.
• Network certifications such as CCNA & security product(s) certifications are desirable.

Join us in a permanent position supporting enterprise-scale network infrastructure and mission-critical operations.

About the Role

We are seeking a Network Engineer to join a high-performing infrastructure team responsible for supporting and maintaining enterprise network environments. This is an excellent opportunity to work with leading networking, security, wireless, and monitoring technologies while gaining exposure to large-scale production environments.

You will play a key role in ensuring network availability, performance, and security through proactive support, troubleshooting, maintenance, and continuous improvement initiatives.

Key Responsibilities

• Provide onsite support for enterprise network infrastructure and related technologies.
• Troubleshoot and resolve network incidents, connectivity issues, and performance bottlenecks.
• Configure, maintain, and support Cisco Catalyst (IOS), Cisco Nexus (NX-OS), and Alcatel-Lucent switching environments.
• Administer and support Palo Alto and Fortinet FortiGate firewalls.
• Support and maintain enterprise wireless environments, including Alcatel-Lucent Wireless Controllers.
• Monitor network health, performance, and availability using SolarWinds NPM and NCM.
• Manage network access control policies through ClearPass Policy Manager.
• Perform network patching, upgrades, preventive maintenance, and health checks.
• Maintain accurate asset inventory, network documentation, and operational records.
• Collaborate with internal stakeholders, vendors, and support teams to ensure timely incident resolution and service delivery.
• Support continuous improvement initiatives to enhance network reliability, security, and operational efficiency.

Requirements

• Diploma or Degree in Information Technology, Computer Science, Engineering, or a related discipline.
• Minimum 3 years of hands-on experience supporting enterprise network environments.
• Experience supporting Cisco Catalyst (IOS), Cisco Nexus (NX-OS), and/or Alcatel-Lucent switching platforms.
• Hands-on experience with Palo Alto firewalls.
• Experience supporting enterprise wireless networks and wireless controllers.
• Familiarity with SolarWinds NPM/NCM and network monitoring tools.
• Experience with ClearPass or similar network access control solutions.
• Good understanding of routing, switching, TCP/IP, DNS, DHCP, VLANs, and network security concepts.
• Strong troubleshooting, analytical, and problem-solving skills.
• Good communication and stakeholder management abilities.

Preferred Skills

• Experience with Fortinet, Check Point, Cisco ASA, or other enterprise firewall platforms.
• Knowledge of VPN technologies and secure remote access solutions.
• Understanding of network segmentation, micro-segmentation, and Zero Trust principles.
• Exposure to IDS/IPS technologies and enterprise security environments.

Why Join Us

• Opportunity to work on enterprise-scale network infrastructure.
• Exposure to leading networking, security, and wireless technologies.
• Collaborative and technically strong engineering environment.
• Continuous learning and professional development opportunities.
• Opportunity to contribute to business-critical infrastructure supporting large-scale operations.

Interested applicants who are passionate about networking and infrastructure technologies are encouraged to apply.

How To Apply:

Submit your application by emailing a detailed copy of your updated Resume in MS Word Format to Lin Jin Sen (EA Personnel Reg. No. R25129852, Achieve Career Consultant Pte Ltd EA Licence No. 05C3451)

by clicking the “Apply Now” or email to andie.lin@achievegroup.asia for a confidential discussion

Current & Expected Salary

Reason(s) for leaving

Notice Period / Availability to commence work

YOUR SUCCESS IS OUR ACHIEVEMENT!

By submitting any application or résumé to us, you will be deemed to have agreed and consented to us collecting, using, retaining and disclosing your personal information to prospective employers for their consideration.

Cessation Of Collection Of Full NRIC Numbers:

In compliance with the Personal Data Protection Act and commitment to protect candidates’ personal data, Achieve Group will cease to collect, process or use full NRIC numbers during our screening and job application process.

Kindly ensure your resumes provided to us does not contain your full NRIC number and full home address during your job application.

Details:
1 Year Renewable Contract

Duties:

• Manage and support enterprise network infrastructure including routers, switches, firewalls, and load balancers in 24x7 production environments.
• Install, configure, and maintain network hardware and software; manage user access, permissions, and authentication systems.
• Ensure high availability, resilience, and performance through routine health checks, monitoring, and capacity planning.
• Design, implement, and manage connectivity between on-premise data centres and cloud environments.
• Support cloud VPC architecture, VPN (Site-to-Site / Client), and Direct Connect integration.
• Troubleshoot hybrid connectivity issues across cloud and on-premises environments, coordinating with telecom providers as needed.
• Configure and manage firewalls, security groups, NACLs, network segmentation, and zoning.
• Implement security best practices aligned with regulatory standards and PCI DSS requirements where applicable.
• Collaborate with the security operations team on vulnerability remediation, system hardening, and incident response.
• Monitor network performance using tools such as SolarWinds, PRTG, CloudWatch, or equivalent platforms.
• Analyse traffic patterns, latency, and throughput; proactively identify and resolve performance bottlenecks.
• Investigate and resolve network outages, connectivity issues, latency, and packet loss in coordination with cloud teams, telcos, and third-party contractors.
• Participate in major incident management processes and contribute to root cause analysis (RCA).
• Implement network changes in accordance with change advisory board (CAB) processes; support deployments requiring network configuration updates.
• Perform validation testing and rollback planning for all changes.
• Manage network connectivity with external partners, payment gateways, and telecommunications providers.
• Coordinate vendor provisioning, troubleshooting, and performance optimisation; monitor connectivity health post-provisioning.
• Design and maintain network redundancy, failover mechanisms, and disaster recovery (DR) configurations.
• Participate in DR exercises and validate failover readiness.
• Maintain up-to-date network diagrams, configurations, SOPs, and operational runbooks.
• Identify and recommend improvements for network performance, security, and scalability.
• Provide after-hours support for incidents, scheduled maintenance, firmware/software updates, and critical network changes.

Requirements:

• Diploma or degree in Computer Science, Information Technology, Engineering, or equivalent.
• Minimum 3 years of experience in network engineering or operations, supporting enterprise or mission-critical hybrid environments.
• Hands-on experience with AWS networking services including VPC, subnets, route tables, security groups, NACLs, VPN, and Direct Connect; exposure to Azure or GCP is an advantage.

Interested Applicants, please click Apply Now

Chow Zi Qing

R2199258

RevUp Proservices Pte Ltd

EA.24C2366

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: MobileCore Network Ops Engineer (4G/5G)
Location: Singapore

We are partnering with a leading organisation to hire a Mobile Core Network OpsEngineer (4G/5G) to support critical telecom infrastructure and ensure seamlessnetwork operations.

About theRole

You will beresponsible for the operation, maintenance, and troubleshooting of 4G/5G corenetwork systems, ensuring high service availability and performance, includingsupport for international roaming services.

KeyResponsibilities

• Manage and support 4G/5G Mobile Core nodes (e.g., IMS, HSS, UDM, SBC, MSS, etc.) to ensure smooth network operations
• Perform system maintenance, including patching, upgrades, and performance optimisation
• Monitor network performance, KPIs, and alarms to maintain service quality
• Troubleshoot and resolve end-to-end network issues across core systems
• Collaborate with local providers and international roaming partners for testing and service assurance
• Implement security hardening and vulnerability management to mitigate risks
• Develop and maintain operational processes and documentation

Requirements

• Degree in Electronics, Communications, Networking, or related field
• Minimum 3-5 years of experience in the Telco industry
• Strong knowledge of 4G/5G core networks and call flows
• Familiarity with protocols such as IMS, VoLTE, SS7, Diameter, SIP, SCTP
• Hands-on experience in network troubleshooting (end-to-end)
• Exposure to VoLTE roaming and IREG testing
• Understanding of network and application security
• Knowledge of IP networking (switching & routing)
• Experience working with Linux and virtualised environments
• Basic scripting/programming skills (e.g., Python, Shell)

UEN: 202329526G

EA Licence: 23S2061

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.

Lead a team to support the Singtel SD-WAN platform products and services in all aspects of maintenance and operations. 

To represent and lead the Platform Operations in either simple or complex technical issues and participate in highly escalated cases to ultimately resolve untoward incidents for the satisfactory performance of SD-WAN platforms. 

To execute configuration changes as supported by work orders and change requests after careful review and testing. 

To govern all SD-WAN platforms in terms of security vulnerabilities, incidents and remediation. 

To generate reports on a daily, weekly, monthly, quarterly and annual basis about the performance, incidents, security posture and changes of all SD-WAN platforms. 

To participate in designing, reviewing and implementing upcoming Platform products and services as required. 

Make an impact by:

• Lead and Manage the platform Ops team  
• 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.
• Review financial documents in preparation for the next cycle.
• Negotiation with vendors has led to expenditures within budget and maximized value.
• Audits and reviews of the SD-WAN Platforms in parts or as a whole to keep in terms of the environment landscape. 

Skills for Success:

• A Bachelor’s degree Electrical / Electronic / Computer Engineering / Computer Science / Information Systems from a recognized institution. 
• 10 years minimum of IP network experience 
• 5-8 years’ experience with SD-WAN systems
• 3-5 years’ experience for team management
• 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.

• Gather network requirements and design solutions aligned with enterprise standards. 

• Provide technical consulting, solution design, and implementation planning. 

• Coordinate cross-functional teams, vendors, and service providers for successful project delivery. 

• Oversee implementation, change management, hypercare, documentation, and operational handover. 

• Support regional and global network initiatives and act as an escalation point for complex projects. 

• Lead network modernization through AI/ML-driven observability, automation, and predictive operations. 

• Collaborate with Network Engineering, Security, Cloud, Data Science, and Operations teams. 

• Develop dashboards, reports, and executive summaries to demonstrate network performance and business impact. 

• Integrate AI insights into automation workflows and ensure compliance with governance, security, and privacy requirements. 

• Supervise outsourced network resources and support technology/vendor selection activities. 

Skills/Requirement 

• Strong knowledge of Cloud, LAN, WAN, Wireless, and at least two of the following: SD-WAN, Nexus Switching, WWAN, IPAM, Telco Management, F5/Load Balancing, Anycast, EIGRP/BGP. 

• Experience with network automation and AI-driven monitoring platforms (e.g., Itential, LogicMonitor, SelectorAI preferred). 

• Proven ability to translate business requirements into technical solutions and manage complex network deployments. 

• Experience working in global, multi-region enterprise environments. 

• Excellent communication, stakeholder management, and customer service skills. 

• Willingness to support implementations during evenings and weekends when required. 

• Experience in regulated industries such as Healthcare or Pharmaceuticals. 

• Exposure to AI governance, model explainability, data privacy, and security best practices. 

We Offer

Based in MSC’s Singapore Regional Office, the Operations Team is responsible for overall Network, Capacity, Berthing and Vessels. In this position, the incumbent will have opportunities to display their abilities, acquire skills and knowledge in the following areas:

• A great journey with excellent career development opportunities in a global organization.
• Be part of the dynamics of Asia to Worldwide trade
• Work alongside senior management (both internal and external) across diverse cultures
• Interpersonal, influencing and negotiation skills

Key Responsibilities

• Oversee vessel stowage planning to achieve optimal utilization, safe sailing conditions, and efficient loading and discharge operations.
• Calculate slot/space requirements for capacity management within the Asia region.
• Manage slot sharing arrangements with partners.
• Manage vessel schedules and maintain KPIs.
• Oversee daily vessel operations.
• Management reporting and support to headquarters.

Who We Are Looking For

• Diploma or Degree holder, preferably in Maritime Studies or a related discipline.
• Minimum 2 years of experience in the container shipping industry.
• Able to work independently and perform well under pressure to meet tight deadlines.
• Willing to work extended hours, including weekends and public holidays when required.
• Good interpersonal, communication, and time management skills.
• Proficient in Microsoft Office applications.
• Working knowledge of CASP is an advantage.
• Team‑oriented with a collaborative mindset.
• Proficiency in additional languages is an added advantage.

How to Apply

Interested applicants may click Apply Now and submit your updated resume, together with your last drawn and/or expected salary.