Salary: £44,000 - 70,000 per year Requirements: Proven experience managing IT operations in complex, fast-paced highly regulated environments, preferably aligned to national security or defence Experience in some or all of the following technologies: VMWare Suite (ESXi, vCenter and NSX / VCF), Windows System Administration (AD, DNS, DHCP, PKI), Linux System Administration, Backup solutions such as Veeam, Docker and/or Kubernetes and Nagios Awareness of Networking Technologies Awareness of Cyber Security principles Excellent communication and interpersonal skills with the ability to collaborate effectively across all levels of the organisation. Familiarity with the ITIL framework and ideally experience of working closely with DevOps product teams, particularly in public sector and National Security landscape Familiarity with software development practices and tools used by software developers, able to support those who build and support service-oriented architecture, microservices, containerization platforms, and runtime. Responsibilities: Providing operational support, such as incident resolution, change implementation and maintenance activities to ensure a stable and reliable environment Implementing approved technical requests from the end customers Developing and implementing improvements to operational and reference platform environments Implementing automation to improve productivity and remove human error Producing clear and concise documentation Supporting the Tech Lead with active management of the environments and escalating any risks Proactive monitoring to stay ahead of potential issues Supporting and participating in stakeholder management, service reporting and reviews with Roke SDM and customer stakeholders Embracing and adapting ITIL4 practices for agile platform operation delivery and operations environment Developing and maintaining service operation according to customer and Roke policies, procedures, and standards to ensure compliance with industry regulations and best practices Executing agreed changes to service provision, configuration items, and documentation. Technologies: DevOps Docker Support ITIL Kubernetes Linux Security VMware Veeam Windows microservices AI More: At Roke, we believe that great ideas come from diverse minds. We bring together engineers, scientists, analysts, and creatives from every background, empowering them to tackle meaningful problems and innovate. As a leading technology and engineering company, we serve clients in National Security, Defence, and Intelligence. Our Gloucester location provides easy access to clients and a beautiful environment, making it an ideal place to work. We foster a culture where everyone is encouraged to bring their whole selves to work. Clearances are required for this role, and eligibility for DV clearance is a must. last updated 12 week of 2026