Total 17,782 network engineer job vacancies

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

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

• Responsible for day-to-day network operations, covering network switch, firewall, WLC, AP, VPN, WAF and cloud networking, ensuring availability and continuity of services
• Administer and manage network routing and authentication
• Monitor network uptime and usage
• Perform network maintenance and upgrades including patches, hot fixes and security updates
• Perform scan on network/system logs for malicious activities
• Work closely with cyber security operations, covering endpoint security, SIEM and cloud security
• Liaise with 3rd party vendor and cross department for network/security projects
• Participate on internal and external network/security audit
• Maintain and update network inventory and diagram
• Investigate and troubleshoot any network incident or vulnerability

Qualifications

• Diploma / Degree in Information Technology or equivalent with at least 2 years of experience in networking
• Experience in administration and troubleshooting skill of: Firewall ; Switches ; Wireless Controller ; Access Point ; NAC ; WAF ; Services: AAA, DNS, DHCP, MFA, backup tool, SNMPCloud networking ; Hands-on experience on endpoint protection and SIEM ; Knowledge in infrastructure network design ;
• Knowledge and/or experience in the following will be advantageous: Open-source technology, Automation
• CCNA, CompTIA Security+ or equivalent certification will be advantageous
• Strong technical & troubleshooting skills.
• Strong documentation and organizational skills.
• Independent worker with minimum supervision.
• Good team player and process driven.
• Good verbal and written communication skills.
• Candidates with no relevant experience are welcome to apply

• Permanent role
• Great exposure to a variety of projects in various technologies

About Our Client

We are partnering with a well-established organisation in the IT security industry, headquartered in Singapore with global presence in multiple countries as well.

Job Description

• Maintain and optimise network infrastructure to ensure reliable performance.
• Monitor, troubleshoot, and resolve network-related issues promptly.
• Collaborate with cross-functional teams to implement network enhancements.
• Ensure compliance with security protocols and best practices in network management.
• Provide technical support and guidance to internal stakeholders.
• Stay updated on industry trends and emerging technologies to improve operations.

The Successful Applicant

A successful Network Engineer should have:

• A strong understanding of network systems, protocols, and configurations
• Experience in troubleshooting and maintaining network infrastructure
• Proficiency with networking tools and technologies
• Familiarity with security measures in a technology environment

What's on Offer

• Competitive annual salary ranging including allowance and performance-based bonus
• Supportive work environment in the business services industry.

Michael Page International Pte Ltd | Registration No. 199804751N 

About Company:

Our Client is a 100% subsidiary company of a Japanese information and Communications Company. They are one-stop service provider of all communication services . Their Singapore office is the regional HQ, providing comprehensive global and local communication services to companies developing their businesses in the region including Singapore, by tailoring services according to the characteristics of each region.

Job Description:

- Understand and articulate layered security approaches across endpoint, network, cloud, and application layers

- Explore, evaluate, and recommend existing and emerging security products

- Conduct Proof of Concept (POC) testing and drive productization of validated solutions

- Provide technical consultancy and advisory services to clients on security best practices

- Perform Solution Design or Consultancy for other products which department currently carries (for example: Managed Service for LAN infra), when necessary

- Collaborate with sales teams to identify customer requirements and propose tailored security solutions

- Deliver technical presentations, demonstrations, and workshops to prospects and clients

- Assist in RFP/RFI responses and solution proposals

- Train and enable sales teams with technical knowledge of security offerings

- Develop presales collateral such as solution briefs, architecture diagrams, and competitive positioning

- Stay updated on the latest security trends, threats, and technologies

- Contribute to the development of new service offerings and go-to-market strategies

- Other ad hoc duties as assigned by the Company

Job Requirements:

- Minimum 5 years of experience in a Security Service Provider or equivalent role

- Bachelor’s degree in IT, Engineering, or related field

- Strong exposure to: (1) Microsoft O365 Security (Defender, Purview, etc.), (2) Network Security (SASE, firewalls, intrusion prevention, zero trust frameworks), (3) Cloud Security (AWS, Azure, GCP security controls)

- Proven experience in conducting POCs and transitioning validated solutions into productized offerings

- Excellent communication and presentation skills for both technical and non-technical audiences

- Ability to work cross-functionally with sales, product, and delivery teams

Compensation:

- Work location: Tanjong Pagar

- Working hour: 8:30AM - 5:30PM

- Sales Commission

- Annual Variable Bonus (Dec / Jun)

- Annual Leave and medical leave

- Group Insurance covering hospitalization and surgical with outpatient/dental benefits, personal accident insurance coverage

- Annual Health Screening provided

Summary

We are seeking a highly skilled Network Reliability Engineer (NRE) with strong hands-on experience across hybrid enterprise and cloud network environments, including on-premises data centers and AWS/Azure cloud platforms. The ideal candidate will be responsible for ensuring reliability, scalability, availability, automation, and observability of network and security infrastructure using Network Reliability Engineering(NRE) and Site Reliability Engineering (SRE) principles.

Responsibilities

Network Reliability and Operations

• Own end-to-end reliability, performance, and availability of hybrid and cloud-connected network services.
• Apply NRE/SRE principles to improve operational efficiency, resilience, scalability, and service stability.
• Perform advanced troubleshooting, root cause analysis (RCA), and incident resolution for complex network and security issues.
• Participate in on-call rotations, major incident response, and operational escalations.
• Define and maintain SLIs, SLOs, and error budgets for critical network services.
• Develop operational standards, documentation, SOPs, and runbooks.

Network Automation and Infrastructure as Code

• Design, develop, and maintain Ansible playbooks, roles, templates, and automation workflows for multi-vendor network environments.
• Automate Day-1, Day-2, and Day-N operational activities including provisioning, configuration management, backups, compliance validation, and remediation.
• Translate operational procedures and BAU activities into reusable Infrastructure-as-Code (IaC) automation frameworks.
• Implement event-driven and self-healing automation integrated with monitoring tools, APIs, and ITSM platforms.
• Build automated validation and configuration drift detection mechanisms.

Hybrid Cloud and Data Center Networking

• Support and manage Cisco ACI-based enterprise data center environments.
• Administer Cisco IOS-XE, NX-OS, and Wireless LAN Controller (WLC) platforms.
• Design and support AWS networking solutions including: VPCs, Transit Gateway, VPN, Direct Connect, Security Groups, NACLs
• Design and support Azure networking solutions including: VNets, NSGs, UDRs, VPN Gateway, ExpressRoute, Azure Firewall
• Manage hybrid connectivity solutions including MPLS, internet, site-to-site VPN, remote access VPN, and secure cloud connectivity.

Network Security and Proxy Platforms

• Manage and support enterprise firewall platforms including: Palo Alto, Check Point, Cisco Firepower (FTD)
• Support firewall policy governance and automation using AlgoSec.
• Administer proxy and secure web gateway platforms including Bluecoat ProxySG.
• Support cloud security platforms including Zscaler ZIA, ZPA, and ZTNA solutions.

Application Delivery and Load Balancing

• Manage and support F5 VELOS chassis environments.
• Configure and administer F5 LTM, GTM, and APM modules.
• Design resilient application delivery solutions for on-premises and cloud workloads.

Monitoring, Observability and CI/CD

• Build and maintain observability dashboards, monitoring, and alerting using: Datadog, Prometheus, Grafana, Cisco DNA Center, Forescout
• Integrate infrastructure changes into CI/CD pipelines with automated testing, validation, and rollback capabilities.
• Utilize GitHub for version control, peer reviews, and change governance.
• Develop automation tools and integrations using REST APIs, Python, and Django.

Requirements

• Bachelor’s degree in Computer Science, Information Technology, Engineering, or equivalent experience.
• 7 years of experience in Network Engineering, Cloud Networking, Network Security, NRE, or SRE roles.
• Strong expertise in enterprise networking, cloud networking, and network security.
• Strong hands-on experience with network automation using Ansible.
• Experience with CI/CD pipelines and Infrastructure-as-Code methodologies.
• Strong analytical, troubleshooting, and problem-solving skills.
• Ability to work effectively in large-scale production environments.
• Strong communication, collaboration, and documentation skills.
• Ability to translate business requirements into measurable reliability objectives.
• Relevant certifications are highly preferred: CCNP / CCIE, AWS or Azure Networking certifications, PCNSE, Check Point CCSA/CCSE, F5 certifications

Job Overview

We are seeking a Cloud Engineer to work closely with Network and Security teams to design, automate, and operate cloud networking and firewall configurations. This role focuses on Infrastructure as Code, firewall and routing automation, and the delivery of secure, scalable, and standardized cloud network environments.

The successful candidate will play a key role in improving automation maturity, reducing manual configuration, and ensuring cloud network implementations align with enterprise security and architecture standards.

Key Responsibilities

Cloud Networking and Security Implementation

• Support the design and implementation of cloud network architectures including VPC or VNet design, subnet planning, IP address allocation, and routing policies
• Implement and manage cloud firewall configurations using native and third-party solutions such as Network Security Groups and Network Virtual Appliances
• Collaborate with Network Engineers to translate network and security requirements into cloud-ready designs

Automation and Infrastructure as Code

• Develop, maintain, and enhance Infrastructure as Code using tools such as Terraform for cloud networking and firewall automation
• Support automated provisioning and updates of cloud network resources through CI CD pipelines
• Standardize network and firewall configurations across environments to improve consistency and security posture
• Identify opportunities to reduce manual effort through automation and reusable templates

Operations and Troubleshooting

• Troubleshoot cloud network and firewall-related connectivity issues in collaboration with Network and Security teams
• Support change, incident, and operational activities related to cloud networking components
• Ensure cloud networking implementations align with enterprise standards, security policies, and best practices

Documentation and Continuous Improvement

• Maintain technical documentation including network designs, automation logic, and operational procedures
• Support architecture reviews and technical discussions with internal stakeholders
• Continuously improve cloud networking automation, resilience, and operational efficiency

Requirements

Experience and Qualifications

• 3 to 5 years of experience in cloud engineering, network engineering, or infrastructure automation roles
• Diploma or Degree in Information Technology, Computer Science, or a related discipline

Technical Skills

• Strong understanding of cloud networking concepts including VPC or VNet architecture, subnets, routing, and IP addressing
• Hands-on experience with firewall technologies such as cloud-native firewalls or Network Virtual Appliances
• Practical experience with Infrastructure as Code, preferably using Terraform
• Familiarity with CI CD pipelines and version control systems such as Git
• Experience troubleshooting network connectivity, routing, and firewall issues in cloud environments
• Working knowledge of cloud platforms, with preference for Azure or other major public cloud providers

Additional Skills

• Strong analytical and problem-solving skills
• Ability to work effectively with cross-functional teams
• Clear communication and documentation skills
• Proactive mindset with focus on automation, standardization, and continuous improvement

Nice to Have

• Experience with Palo Alto firewalls or similar enterprise firewall platforms
• Exposure to hybrid connectivity, VPNs, or private cloud connectivity
• Cloud or automation-related certifications

Please send your detailed resume in MS Word format to resume@goldtecHRs.com with

• Education Level
• Working experiences
• Each employment background
• Reason for leaving each employment
• Last drawn salary
• Expected salary
• Date of availability

• 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. 
• 5 years minimum IP network experience with 3-5 years’ experience in 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 technical fault isolation and rectification
• Knowledge of hypervisors such as eSXI, Adva, proxmox and KVM.
• Possess basic knowledge of office applications skills e.g. Excel, Visio, Word. 
• Possess good interpersonal and communication skills.   Must be a team player.
• Self-starter and highly driven with the ability to work independently, as well as in a team.  
• Excellent presentation skills and project/program management skills.
• Able to document and investigate existing infrastructure for the benefit of maintaining and operating the environment, discovering possible security breaches or vulnerabilities or finding opportunities for improvement for optimal network performance.
• Manage principal vendors, providers, internal and external stakeholders
• Write and implement policies, guidelines and SOPs for managing the infrastructure.

About Fugro Satellite Positioning, Inc.

Fugro Satellite Positioning services and products involve the development and operation of GNSS (Global Navigation Satellite Systems) and the provision of related products world-wide. Fugro offers a range of services tailored to the particular application and market environment to ensure a cost effective, fit for purpose solution under every circumstance, be it on land, offshore or in the air.

About the Position

Fugro Satellite Positioning, Inc. has an immediate opening in the Singapore office for a Network Controller. This position is responsible for monitoring and proactively supporting the daily operation of our Fugro Data Network, including Network Control Center (NCC), Remote sites and Satellite uplink sites. This includes monitoring and QC of the data collection, distribution and broadcast processes with minimum downtime. Also assists with customer support outside of normal daily working hours. It is a unique position where the employee is trained on the job. The employee works on rotating shift.

Major Responsibilities:

• Monitoring operation of the NCC (remote site data collection, central computer operation, data distribution and uplinking) and responding to data alarm conditions.

• Able to work rotating shifts in a 24/7 environment.

• Fault isolating and resolution using internal and external resources.

• Documenting all alarm conditions and actions.

• Performing data archiving and plotting tasks.

• Collating system performance statistics and assisting in the production of tables and graphs for reporting and system analyses.

• Providing assistance during additions or changes to either the NCC or remote site computer and data communications equipment.

• Assisting in the coordination of planned system outages with communications service providers and Fugro clients to minimize disruption to Fugro Satellite Positioning, Inc. services.

• Assisting, where appropriate, with the preparation of Fugro Data Network documentation and reports.

• Assisting in the maintenance and updating of NCC Operational Procedures.

• Proposing new methods of operations for the NCC to improve productivity.

• Provides customer support as appropriate.

• Promptly responding to telephone calls, faxes, emails and their redistribution as required.

• Observing NCC security and safety measures.

• Creating brief memos, emails and occasional drawings using established office software.
  

Knowledge/Skill/Qualifications:

• Diploma; College coursework in information technology required; degree in computer networking systems or computer science preferred.

• Computer networking with other computer systems

• Good computer literacy and competence in the use of common office software packages like Windows and Red Hat operating systems
  

What Fugro offers

• Competitive salary with Annual Wage Supplement

• Generous paid leave

• Career & training opportunities (international opportunities possible)

• Company shuttle from various pick-up at MRT stations across Singapore

• Collective health insurance and outpatient benefits.

• Employee Assistance Programme (EAP) to provide help when you need extra support.

• Additional benefits: Long Service Awards, Professional Membership, Weekly fitness-related activities, etc.)
  

Here's how to apply:

• Please include your latest resume in the application.

• Please describe your working rights in Singapore (work pass sponsorship is subject to quota and availability).

• We regret to inform that we will only process applications made via our Careers website (and other linked portals) and only shortlisted applicants will be contacted.

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

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

Requirement:

• 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

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

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.

• Minimum 10+ years of experience in IT/OT infrastructure and operational environments.
• Experience integrating enterprise IT networks with OT systems and industrial equipment.
• Hands-on knowledge of HMIs, PLCs, SCADA systems, sensors, CMMs, CNC machines, and 3D printers.
• Ability to update PLC configurations, IP addressing, and network parameters.
• Perform OT asset inventory collection, validation, and documentation.
• Identify operational and cybersecurity risks and proactively escalate issues.
• Strong understanding of industrial protocols such as OPC-UA, Modbus TCP/IP, Ethernet/IP, and SMB.
• Experience designing and supporting LAN/WAN networks, VLANs, and routing protocols.
• Proficiency in configuring Cisco switches, routers, SD-WAN, and Check Point firewalls.
• Experience with firewall rule management, network security configuration, and troubleshooting.
• Knowledge of network segmentation and micro-segmentation using VLANs, switches, and network taps.
• CCNA/CCNP, CompTIA Network+, or equivalent networking certification preferred.

EA License No: 11C4879 / Registration ID : R1218583

Apar Technologies Pte Ltd, Singapore

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