Salary: £70,000 - 100,000 per year Requirements: Proven experience in IT systems design, deployment and administration, including leadership responsibilities. AWS certification at Associate level with hands-on experience delivering cloud-based solutions. Strong expertise in Linux and Windows system administration. Solid understanding of IPv4 networking including subnetting, routing (OSPF), VLANs and VPNs. Experience automating tasks using tools such as Ansible, Bash, PowerShell, Puppet or Python. Must be a sole British Citizen and able to gain DV clearance due to the nature of the work. Responsibilities: Design, build and implement AWS and hybrid cloud solutions for government and defence clients. Define scalable and secure infrastructure architectures. Administer and optimise Linux and Windows-based systems in enterprise environments. Design and troubleshoot IP networking solutions. Automate deployment, configuration and maintenance processes using Infrastructure as Code and configuration management tooling. Contribute to continuous improvement through DevSecOps practices and innovation. Technologies: AWS Ansible Bash Cloud DevSecOps Support Linux PowerShell Puppet Python Security Windows DevOps More: We are seeking a Cloud Infrastructure Engineer to join our defence client in Cheltenham, working in a flexible hybrid environment. You will support customers in migrating and modernising mission-critical systems across AWS and hybrid cloud environments, working closely with experienced engineers and architects to deliver secure, scalable solutions across cloud and on-premise platforms. Our work helps improve system reliability, reduce operational costs and increase organisational agility across national security programmes. We offer flexible hybrid working, including a compressed working week, along with private healthcare, dental cover, life assurance, pension, a cash health plan, critical illness options, a holiday buy and sell scheme, a performance incentive programme, and career development opportunities. last updated 23 week of 2026