Salary: £42,000 - 72,500 per year Requirements: We require experience working within Infrastructure Support, Operations Engineering, or Systems Support environments We require strong Linux and Windows administration and support experience We require a good understanding of networking, firewalls, and virtualisation technologies We require exposure to cloud platforms and modern infrastructure environments We require experience working within ITIL-aligned environments We can only consider candidates with the existing right to work in the UK We can only consider candidates eligible to obtain SC and DV clearance Responsibilities: We maintain and support Linux and Windows infrastructure environments We perform routine patching, system maintenance, and vulnerability remediation We monitor infrastructure performance and proactively resolve operational issues We troubleshoot incidents across networking, firewalls, virtualisation, and cloud platforms We support change management activities in line with ITIL processes We maintain accurate documentation, ticket updates, and operational records Technologies: Cloud Support ITIL Linux Security Windows DevOps More: We are a specialist UK defence and critical infrastructure organisation, recognised for delivering highly secure and resilient communications and infrastructure solutions across government, defence, healthcare, enterprise, and industrial environments. We are committed to security, operational excellence, and delivering mission-critical services within highly regulated and secure environments. This is a permanent role based in Hereford, UK, offering a salary of up to £45,000 per annum. It is an excellent opportunity to join a highly secure and fast-growing organisation supporting critical national infrastructure and defence operations across the UK. last updated 20 week of 2026