Platform Engineer – On-Prem Product Team Location: Remote with occasional visits to Reading or Warton Contract: 12 months Rate: £74.26 per hour (Umbrella, Inside IR35) Security Clearance: Active SC clearance strongly preferred Must be eligible for SC Sole British nationality required The Role We are seeking an experienced On-Premises Platform Engineer to join a highly secure, on-prem product team operating within a heavily regulated environment. This role sits at the heart of a modern digital platform programme, working alongside network, security, and platform specialists to design, build, operate, and enhance a state-of-the-art on-prem infrastructure. You will contribute across the full lifecycle — from low-level design and build, through to delivery, operation, and continuous improvement — supporting critical collaboration and engineering capabilities. What Youll Be Doing Product Development& Delivery Work closely with the Product Owner and engineering teams to evaluate requirements, user stories, and acceptance criteria Support cross-functional collaboration across security, legal, commercial, and supply chain teams Track delivery progress, manage dependencies, and help mitigate technical and delivery risks Platform & Network Engineering Contribute to the low-level design of a brand-new network Configure, optimise, and troubleshoot a highly distributed on-prem network Build and maintain physical and virtual infrastructure to enable wider business services Ensure high availability, performance, and resilience of network and platform services Operations & Governance Provide ongoing service management and operational support Monitor system performance, security posture, and sustainability Support change management, governance, and compliance processes Maintain detailed design documentation and operational knowledge bases Occasional travel to Reading HQ may be required for meetings. What Were Looking For Experience & Knowledge 3 years experience in Platform Engineering, Network Engineering, or similar Strong understanding of on-prem IT infrastructure (compute, storage, networking) Experience working in secure, regulated environments with security classifications Awareness of secure-by-design principles and cyber security approaches Familiarity with IT service management and release-to-service processes Technical Skills Strong hands-on experience with: Windows Server / Desktop Red Hat Linux (RHEL) VMware / virtualised environments Citrix VDI Active Directory & Group Policy Solid networking fundamentals: Switching, routing, firewalls, VLANs / VNets Spine-leaf architectures, BGP, SDN Data centre patching and troubleshooting Scripting skills advantageous: PowerShell, Bash, Python, Perl, BAT Soft Skills Excellent written and verbal communication skills Ability to explain technical concepts to non-technical stakeholders Strong collaboration skills across engineering, architecture, and security teams Proven problem-solving and prioritisation ability in complex environments Qualifications Relevant professional certifications (e.g. CCNA, CCNP, CCDP) or equivalent experience Why Apply This is an opportunity to work on high-impact, mission-critical infrastructure, contributing to the delivery of a secure, modern on-prem platform within a technically challenging and highly regulated environment. Youll be hands-on, design-focused, and involved from day one in shaping a platform that enables critical business operations.