Network Administrator

We are seeking an experienced and highly motivated Network Administrator to join the Bank’s IT Infrastructure team. The ideal candidate will have a strong background in enterprise networking and network security, with hands-on experience managing and supporting technologies including Cisco, Palo Alto, Aruba, and Fortinet FortiGate firewalls.

Key Responsibilities:

• Design, deploy, and maintain LAN/WAN infrastructure, including switches, routers, wireless controllers, and firewalls.
• Monitor network performance, availability, and security to ensure optimal operation and compliance with organizational standards.
• Configure and manage Cisco switches and routers, ensuring proper routing, VLAN segmentation, and QoS.
• Administer and maintain Palo Alto Networks firewalls for threat prevention, URL filtering, and VPN configurations.
• Support and optimize Aruba wireless infrastructure, including APs and mobility controllers.
• Manage FortiGate firewalls for perimeter and internal network security, including VPNs, NAT, and firewall policies.
• Conduct regular network assessments and vulnerability scans, implementing remediation strategies as needed.
• Respond to and resolve complex network issues, coordinating with cross-functional teams as necessary.
• Participate in network upgrades, migrations, and disaster recovery planning and testing.

Required Qualifications:

• Minimum 4 years of hands-on experience in network administration or a related role.
• Proven experience with:

• • Cisco (routing/switching, IOS/IOS-XE)
  • Palo Alto Networks (Next-Gen Firewall, Panorama)
  • Aruba Networks (Mobility Controllers, ClearPass is a plus)
  • Fortinet FortiGate (firewall configuration, VPN, UTM features)

• Strong understanding of networking protocols (BGP, OSPF, STP, IPsec, GRE, VLANs, DHCP, DNS, etc.).
• Proficiency with network monitoring and diagnostic tools (e.g., SolarWinds, Wireshark, PRTG).
• Experience with high availability and redundancy design (HA, failover, load balancing).

Preferred Qualifications:

• Relevant certifications such as CCNA/CCNP, PCNSA/PCNSE, Fortinet NSE, or Aruba Certified Professional.
• Experience working in hybrid cloud environments or with SD-WAN solutions.
• Knowledge of compliance frameworks (e.g., ISO 27001, NIST, GDPR) and best practices in network security.

Freelancers are welcome