Infrastructure Engineer (Citrix, VMware, Linux) 550pd - 600pd DOE (Inside IR35/Umbrella)6 Month Initial ContractMilton KeynesHybrid - 3 days onsiteDV / SC Clearance ideallyAre you an experienced Infrastructure Engineer with strong hands-on expertise across VMware, Citrix, and Linux platforms? Do you have experience supporting secure, enterprise-scale environments?My central government client is seeking a skilled engineer to support and enhance a range of critical infrastructure platforms across multiple government tiers. This role will involve a blend of BAU support and project delivery, working as part of a wider team responsible for maintaining highly secure, high-availability systems.You will play a key role in ensuring performance, stability, and security across a diverse technology estate, while contributing to ongoing improvements and platform evolution. This position requires a proactive, technically strong engineer with broad infrastructure knowledge and excellent troubleshooting capability.Key Responsibilities and Expertise: Strong hands-on experience with VMware (configuration, patching, lifecycle management, NSX awareness) Solid Linux experience (Debian-based systems, scripting, upgrades, migrations, support) Experience supporting Citrix environments (updates, maintenance, migrations) Windows infrastructure knowledge (PKI, Identity and Access Management, RBAC) Exposure to Public and Private Cloud (Azure and/or AWS) Support of BAU operations and project-based delive