Virtualisation Engineer (Contract) £400 per day | Outside IR35 | Mostly Remote (occasional travel to Portsmouth) | SC Clearance Required We are seeking an SC-cleared Virtualisation Engineer to support a high-profile programme within a secure environment. This role focuses on designing, implementing, and supporting complex virtualised infrastructure, with a strong emphasis on VMware, NSX, and VDI technologies, working closely with infrastructure and network teams. Key Responsibilities Design, implement, and support VMware-based virtualisation environments Configure and manage networking using VMware NSX Support and enhance VDI solutions Manage Windows infrastructure including Active Directory, GPO, permissions, and domain services Deploy virtual machines and enable system communications Collaborate with internal teams to deliver required virtual infrastructure Act as a senior technical resource, providing guidance to engineering teams Troubleshoot complex infrastructure and performance issues Contribute to continuous improvement and best practices within a secure environment Skills & Experience Extensive hands-on experience with VMware (vSphere, vCenter) Strong experience with VMware NSX (essential) Proven experience delivering and supporting VDI environments Solid understanding of enterprise networking concepts Strong Windows infrastructure experience (Active Directory, GPO, permissions, domain services) Ability to operate as a senior engineer engaging with technical teams and stakeholders Experience working in secure / SC-cleared environments Strong troubleshooting and problem-solving capability Desirable Experience within Defence or highly regulated sectors Relevant certifications such as VMware VCP