Senior Infrastructure Engineer in Birmingham, West Midlands

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Senior Infrastructure Engineer - Network Infrastructure | Firewalls | DV Clearable | On-Site

Location: East Birmingham (Full-Time, On-Site)

Salary: £47,000 - £55,000 + Benefits



Are you an experienced Infrastructure Engineer with strong networking expertise and a background in secure environments? This is a full-time, on-site role based in Marston Green, Birmingham, offering the opportunity to support mission-critical IT infrastructure within a security-sensitive organisation.



As a Senior Infrastructure Engineer, you will be responsible for delivering and managing secure LAN, WAN, and WLAN networks, acting as a key escalation point for troubleshooting, and providing mentoring to junior engineers. Candidates must be eligible for DV (Developed Vetting) clearance - British with long-term UK only.



Key Responsibilities:



Deploy and manage LAN, WAN, and WLAN networks for secure enterprise environments



Troubleshoot complex Layer 2 and Layer 3 networking issues



Document network topologies and configurations



Monitor and enhance performance across network infrastructure



Install and maintain firewalls - Palo Alto, Cisco ASA (AnyConnect), FortiGate



Manage VPNs, IPSEC tunnels, and certificate-based authentication



Contribute to AD design and secure environment management



Mentor junior staff and act as a key escalation point



Participate in incident response and root cause analysis



Required Skills & Experience:



5+ years in a Network Engineer or Infrastructure Engineer role



Strong knowledge of TCP/IP, VLAN, VXLAN, EVPN, VPC, MLAG



Deep experience with BGP, OSPF, EIGRP routing protocols



Firewall configuration experience: Palo Alto, Cisco ASA, FortiGate



VPN setup and support (IPSEC, remote access)



Familiarity with Wireshark, SNMP, and monitoring tools



Cross-platform support (Windows, Linux, macOS)



Microsoft Active Directory design and maintenance experience



Strong documentation, communication, and team leadership skills



Desirable: CCNA/CCNP certifications



Must be DV clearable



If you're ready to work in a high-trust, high-security environment and bring your networking expertise to a forward-thinking organisation, click apply now to learn more

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.