Job Description
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 You'll 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 We're 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:
o Windows Server / Desktop
o Red Hat Linux (RHEL)
o VMware / virtualised environments
o Citrix VDI
o Active Directory & Group Policy
* Solid networking fundamentals:
o Switching, routing, firewalls, VLANs / VNets
o Spine-leaf architectures, BGP, SDN
o Data centre patching and troubleshooting
* Scripting skills advantageous:
o 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. You'll be hands-on, design-focused, and involved from day one in shaping a platform that enables critical business operations.
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