Job Description Infrastructure Engineer Gloucester – Hybrid Salary - £55,000 - £70,000 DV bonus Clearance - DV / eDV Clearance Required Role Details An established on-site infrastructure engineering team in Gloucester is looking for an experienced Infrastructure Engineer to provide hands-on support across mission critical, highly secure government environments. You'll manage complex on-premises platforms — resolving incidents, implementing changes, and driving continuous improvement to ensure availability, resilience and compliance at the highest classification levels. This is a rare opportunity to work on genuinely impactful national security programmes in a cleared, fast-paced operational environment, embedded directly with an end customer team. Responsibilities - Own incident resolution, change implementation and scheduled maintenance across secure, mission critical environments - Implement approved technical changes on behalf of end customers, following strict change management and compliance processes - Identify and deliver platform improvements, including automation to reduce manual effort and human error - Proactively monitor the environment to detect and address issues before they impact service - Support the Technical Lead with escalation management, risk tracking and active oversight of the environment - Contribute to stakeholder management, service reporting and review meetings with the service delivery function and customer teams - Produce clear, accurate documentation to ITIL4 standards - Collaborate with DevOps and software engineering teams to support containerised and service-oriented workloads Technical Skills You will ideally come skills in some or all the below; - VMware Suite: ESXi, vCenter, NSX / VCF - Windows System Administration: AD, DNS, DHCP, PKI - Linux System Administration - Backup & Recovery: Veeam or similar - Containers: Docker and/or Kubernetes - Monitoring: Nagios or equivalent - Networking: TCP/IP, VLANs, firewalls - Cyber Security awareness and principles Experience & Attributes - Proven experience in IT infrastructure operations in complex, regulated environments, ideally national security, defence or intelligence - Comfortable with strict change control, audit and compliance in a high-assurance, classified setting - Familiarity with ITIL4 and how to apply it in agile/DevOps environments - Able to support software development teams across microservices, containerisation and CI/CD - Strong communication skills, able to engage with technical and non-technical stakeholders at all levels - Self-motivated with a proactive mindset