Infrastructure Engineer

About the role

Join an established on‑site infrastructure engineering team delivering mission‑critical services for highly secure government programmes. You will work in a hybrid setting, providing hands‑on support for on‑premises platforms while ensuring availability, resilience and compliance at the highest classification levels.

Key responsibilities

• Own incident resolution, change implementation and scheduled maintenance across secure environments.
• Implement approved technical changes following strict change‑management and compliance processes.
• Identify and deliver platform improvements, including automation to reduce manual effort.
• Proactively monitor systems to detect and address issues before they impact service.
• Support the Technical Lead with escalation management, risk tracking and oversight.
• Engage in stakeholder management, service reporting and review meetings.
• Produce clear documentation aligned with ITIL4 standards.
• Collaborate with DevOps and software engineering teams on containerised and service‑oriented workloads.

Required profile

• Proven experience in IT infrastructure operations within complex, regulated environments (defence, intelligence or national security preferred).
• Comfort with strict change control, audit and compliance in a high‑assurance, classified setting.
• Familiarity with ITIL4 and its application in agile/DevOps contexts.
• Ability to support software development teams across micro‑services, containerisation and CI/CD pipelines.
• Strong communication skills for interaction with technical and non‑technical stakeholders.
• Self‑motivated, proactive mindset.

Required skills

• VMware Suite: ESXi, vCenter, NSX, VCF
• Windows System Administration: Active Directory, DNS, DHCP, PKI
• Linux System Administration
• Backup & Recovery: Veeam (or similar)
• Containers: Docker, Kubernetes
• Monitoring: Nagios (or equivalent)
• Networking: TCP/IP, VLANs, firewalls
• Cyber security awareness and principles

What we offer

• Hybrid working model (on‑site and remote)
• Salary range £55,000 – £70,000 per year plus DV bonus
• DV/eDV clearance required
• Opportunity to work on impactful national security programmes