Job Summary
Key Responsibilities
Key Responsibilities • Monitor, maintain, and troubleshoot enterprise routing and switching infrastructure across data center and campus environments. • Manage firewall policies, security rule bases, and access control lists across Cisco and Palo Alto Networks platforms. • Administer and support VPN and SD-WAN solutions, ensuring secure and reliable connectivity for remote sites and users. • Maintain and optimize wireless network infrastructure using HPE Aruba platforms, including AP management and RF troubleshooting. • Operate and tune Web Application Firewall (WAF) policies on Imperva and F5 XC platforms to protect web-facing applications. • Manage DNS infrastructure and IPAM using Infoblox, including zone management, record updates, and DHCP administration. • Configure, optimize, and troubleshoot F5 load balancer pools, virtual servers, and iRules; manage Cisco WSA Proxy policies. • Administer TACACS+ for network device access control, including policy updates, authentication troubleshooting, and auditing. • Participate in on-call rotation and respond to network incidents within defined SLA windows. • Produce and maintain accurate network documentation, runbooks, and change records. • Collaborate with security, cloud, and application teams to support cross-functional initiatives. • Execute approved change requests following ITIL-aligned change management processes. • Develop and maintain network automation scripts and playbooks to streamline repetitive operational tasks, reduce manual errors, and accelerate change delivery using Python, Ansible, and/or similar tooling.
Skill Requirements
Technology Domain Required Tools / Platforms Routing & Switching Cisco Routers, Cisco Switches (IOS, IOS-XE, NX-OS) Firewalls Cisco ASA / FTD, Palo Alto Networks (PAN-OS) VPN & SD-WAN Cisco VPN (AnyConnect / Site-to-Site), Palo Alto SD-WAN, Zscaler (ZIA / ZPA) Wireless LAN HPE Aruba (APs, Mobility Controllers, Central) Web Application Firewall Imperva WAF, F5 XC (Distributed Cloud WAF) DNS / IPAM / DHCP Infoblox DDI Platform Load Balancer & Proxy F5 BIG-IP Load Balancer, Cisco WSA Proxy Access Control TACACS+ (Cisco ISE or equivalent) Automation & Scripting Python, Ansible, Terraform, Git, REST APIs, Netmiko / NAPALM