Network Engineer (CCNA)

U3 InfotechSingaporemycareersfuturepublished 09/04/2026

JobSummary:

We are seeking an experienced Network Engineer to provide day-to-day operationalmanagement, administration, and support. The engineer will handle network troubleshooting, configuration, documentation, and change management while ensuring network reliability and performance .

KeyResponsibilities:

  • Manage, monitor, and troubleshoot network devices (routers, switches, firewalls, wireless controllers).
  • Perform firmware/software upgrades, patching, and vulnerability fixes.
  • Configure VLANs, firewall rules, DNS entries, proxy whitelisting, and other network parameters.
  • Conduct network backups, recovery, and disaster recovery exercises.
  • Liaise with ISPs and service providers for operational issues.
  • Support IoT and smart devices (CCTV, Smart TV, TouchWall panels, lighting controls).
  • Maintain up-to-date network documentation (diagrams, topologies, configurations).
  • Manage network change requests with proper planning, testing, and minimal user disruption.
  • Analyze network performance and recommend improvements.

RequiredQualifications & Experience:

  • CCNA certified
  • experience with routing protocols: BGP, OSPF, EIGRP.
  • Experience with Cisco Nexus switches, Cisco wireless APs and controllers.
  • Strong troubleshooting skills for Layer 1–3 network issues.
  • Experience with network management tools and packet sniffers (e.g., Wireshark).
  • Knowledge of disaster recovery procedures.

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