Senior Infrastructure Engineer
- Birmingham
- £47,000-55,000 per year
- Permanent
- Full-time
Location: East Birmingham (Full-Time, On-Site)
Salary: £47,000 - £55,000 + BenefitsAre 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 nationals with long-term UK residency only.Key Responsibilities:Deploy and manage LAN, WAN, and WLAN networks for secure enterprise environmentsTroubleshoot complex Layer 2 and Layer 3 networking issuesDocument network topologies and configurationsMonitor and enhance performance across network infrastructureInstall and maintain firewalls - Palo Alto, Cisco ASA (AnyConnect), FortiGateManage VPNs, IPSEC tunnels, and certificate-based authenticationContribute to AD design and secure environment managementMentor junior staff and act as a key escalation pointParticipate in incident response and root cause analysisRequired Skills & Experience:5+ years in a Network Engineer or Infrastructure Engineer roleStrong knowledge of TCP/IP, VLAN, VXLAN, EVPN, VPC, MLAGDeep experience with BGP, OSPF, EIGRP routing protocolsFirewall configuration experience: Palo Alto, Cisco ASA, FortiGateVPN setup and support (IPSEC, remote access)Familiarity with Wireshark, SNMP, and monitoring toolsCross-platform support (Windows, Linux, macOS)Microsoft Active Directory design and maintenance experienceStrong documentation, communication, and team leadership skillsDesirable: CCNA/CCNP certificationsMust be DV clearableIf 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.