Senior Infrastructure Engineer

Applause IT Recruitment Ltd; Willenhall; On-site; GBP 47,000 - 55,000; Full time

Job summary

A recruitment agency is seeking a Senior Infrastructure Engineer to manage secure networking infrastructure. This full-time, on-site position in East Birmingham requires expertise in firewalls, strong networking skills, and the ability to work in a high-security environment. The ideal candidate has over 5 years of experience and is DV clearable. Competitive salary and benefits are offered.

Qualifications

• 5+ years in a Network Engineer or Infrastructure Engineer role.
• Strong knowledge of TCP/IP, VLAN, and networking principles.
• Firewall configuration experience: Palo Alto, Cisco ASA, FortiGate.

Responsibilities

• Deploy and manage LAN, WAN, and WLAN networks.
• Troubleshoot complex networking issues.
• Document network topologies and configurations.

Skills

Network Engineering

Firewall Configuration

TCP/IP knowledge

Cross-platform Support

Documentation Skills

Team Leadership

Tools

Palo Alto

Cisco ASA

FortiGate

Wireshark

Job description

Overview

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.

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