Lead – Network and Firewall Operations

4 days ago


Singapore ALMR CONSULTING PTE. LTD. Full time
Roles & Responsibilities

The Network & Firewall Operations Lead will manage the assessment, patching, vulnerability management, and hardening of all network and firewall devices. This hands-on role requires expertise across multiple network and security platforms, ensuring secure and reliable operations in an SLA-driven environment.

Key Responsibilities

  • Lead administration of Cisco, Fortinet, F5, ACI, Arista, Checkpoint, PaloAlto, and Huawei devices.
  • Manage patching, firmware upgrades, and vulnerability management; troubleshoot and perform rollbacks as needed.
  • Use patch management tools (e.g., NetBot) and automate pre/post-patching tasks.
  • Perform BIOS upgrades, network flow analysis, and device hardening.
  • Configure and maintain DNS, DHCP, IPAM, switching (VLAN, STP), and routing (BGP, OSPF, EIGRP).
  • Implement standard/extended access-lists and monitor network logs.

Skills & Qualifications

  • 8 years experience in Network and Firewall Administration with hands-on expertise.
  • Strong knowledge of patching, vulnerability management, network protocols, and flows.
  • Experienced in Cisco IOS/IOS-XE, Fortinet, F5, ACI, Arista, Checkpoint, PaloAlto, Huawei.
  • Proficient in switching, routing, DNS/DHCP/IPAM, access-lists, and network troubleshooting.
  • Excellent communication, interpersonal, and leadership skills.
  • Flexible, hands-on, and able to operate in a fast-changing, SLA-driven environment.
Tell employers what skills you have

OSPF
Vulnerability Management
EIGRP
DHCP
Administration
Routing
VLAN
Network Troubleshooting
Firmware
Hardening
DNS
Checkpoint

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