Senior 3rd line IT Engineer

We're looking for a Senior 3rd Line IT Engineer to support a complex engineering organisation as it continues to modernise and mature its IT infrastructure.

This is a broad technical role combining third-line support, infrastructure project delivery, and technical leadership. You'll work across Windows and Linux environments, networks, servers, virtualisation, and cyber-focused initiatives, while acting as the senior escalation point for a small IT team. Alongside hands-on technical work, you'll help mentor junior engineers, review technical documentation, and contribute to the delivery of wider IT improvement projects.

• Administration of Windows and Linux server environments
• Networking knowledge including firewalls, switches, VPNs, routers, and proxies
• Experience with VMware or other virtualisation platforms
• Infrastructure project delivery and systems implementation experience
• Understanding of Secure by Design, Zero Trust, and Cyber Essentials principles
• Experience with ITSM platforms such as Service Now, Manage Engine, or similar
• Strong troubleshooting, documentation, and stakeholder communication skills
• Experience with in defence, engineering, manufacturing, or other OT environments
• Technical leadership or mentoring experience
• Cisco, VMware, Microsoft, or similar infrastructure certifications
• Jira and Confluence experience
• Existing SC Clearance or eligibility to obtain clearance

• Initial 6-month contract
• Competitive daily rate
• Hybrid working (2–3 days onsite in Bedford)
• Strong likelihood of extension
• Opportunity to support complex infrastructure projects within a security-focused engineering environment