Senior Network Engineer

about the company

Join a leading Singapore public-sector organization to manage and secure critical, large-scale enterprise network infrastructure.

about the role
In this role, you will be a key pillar in the day-to-day administration and operational health of a robust, multi-vendor network environment. Your mission is to maintain high availability and security across various data centers and remote sites. Your key responsibilities include:

• Overseeing the lifecycle of network and security assets, ensuring consistent 24/7 uptime for critical agency operations.
• Managing complex configurations and troubleshooting for a diverse environment involving high-end routers, switches, and load balancers.
• Hardening network defenses through firewall management (Palo Alto, Check Point) and managing Network Access Control (NAC) protocols.
• Proactively scheduling firmware updates, managing automated backups, and coordinating with stakeholders regarding system availability.
• Leading root cause analysis for network performance issues and collaborating with security governance teams to mitigate risks.
• Assisting the Infrastructure Manager in executing technical projects, change management, and maintaining comprehensive asset documentation.

skills and experience

• Extensive experience with Cisco (ASR/ISR series), F5 Load Balancers, and a variety of Firewall technologies including Palo Alto, Fortinet, and Check Point.
• Strong command over BGP, OSPF, STP, and VRRP, alongside a solid understanding of 3-tier architecture and VPN (IPsec/Remote) setups.
• Hands-on experience with Aruba ClearPass (NAC), IPS/IDS, and proxy solutions. Familiarity with security audits and risk mitigation is highly valued.
• Proficiency in using network performance tools such as SolarWinds, PRTG, or Wireshark for fault analysis and reporting.
• While professional experience is paramount, certifications such as CISM, PCNSE, CCSE, or CCSA will be viewed favorably.
• A methodical approach to troubleshooting and the ability to manage vendor relationships and inventory documentation effectively.

To apply online please use the apply function, alternatively you may contact Dalpreet Kaur at [Confidential Information] (EA: 94C3609 /R23111951)