Workplace Platforms Principal Engineer

Requisition ID19018 -Posted09/15/2026 -Technology ) -End User Computing ) -Wood Street (14402) -Information Technology -Permanent -Full Time -City of London – and Greater London

Salary: Competitive plus comprehensive benefits package
Grade: 3A
Contract Type: Permanent
Working Pattern: Hybrid
Location: London/Chesterfield
Closing Date: 29th September 2026

What to expect

As a Workplace Platforms Principal Engineer, you will join us on our journey and undertake a highly influential role responsible for the technical leadership, design assurance, operational resilience and continual improvement of the infrastructure platforms that underpin colleague and branch technology services.

You will work collaboratively with Identity & Workplace Technology, Cyber Security, Architecture, Service Operations and supplier partners, providing technical direction and ensuring infrastructure services remain secure, resilient and aligned to agreed technology standards.

This role offers a unique opportunity to make a significant impact by shaping the future of Post Office's workplace technology estate, driving platform modernisation, improving operational resilience and influencing strategic technology decisions.

As a senior technical authority, you will provide expertise across server platforms, enterprise application hosting, backup and recovery, vulnerability management, platform monitoring, performance optimisation and infrastructure lifecycle management. You will act as a trusted subject matter expert, helping to ensure critical technology services remain robust, secure and fit for the future.

How our people behave is as important to Post Office as what is delivered. The Workplace Platforms Principal Engineer will role model the Post Office behaviours and demonstrate a Postmaster-first mindset.

What we can do for you

Our business is changing and we understand that attracting the right talent is pivotal in driving the positive change needed, to help us achieve our ambitious goals. Beyond a competitive salary, we offer a comprehensive benefits package that includes:

• 27.5 days annual leave (rising to 30 after 2 years), plus bank holidays
• Up to 18% on target bonus opportunity
• Annual car allowance
• Generous pension scheme with minimum 10% employer contribution
• Access to 24/7 digital GP services and our Employee Assistance Programme
• 6 x Life assurance and income protection after 12 months service
• Over 400 online courses, mentoring, apprenticeships, and development programmes
• Access to our benefits platform for exclusive discounts & savings

To be successful in this role, you will bring deep technical expertise across infrastructure and workplace technology platforms, alongside a proven track record of providing technical leadership within complex enterprise environments.

As a Workplace Platforms Principal Engineer, you will act as a senior technical authority, driving platform strategy, lifecycle management, service resilience and continual improvement across critical infrastructure services.

In addition to this, the ideal candidate will:

• Have proven experience as a senior infrastructure engineer, technical specialist or principal engineer within a large and complex enterprise environment.
• Demonstrate strong hands‑on expertise across Windows Server, Linux Server, Exchange, Universal Print, Microsoft PKI and PowerShell scripting.
• Have experience producing and reviewing high‑level designs, detailed technical designs, operational documentation and service transition deliverables.
• Possess extensive experience supporting major incidents, root cause analysis, problem management and complex technical escalations.
• Be experienced in infrastructure lifecycle management, including patching, vulnerability remediation, backup, restoration and disaster recovery.
• Have experience working closely with Cyber Security, Architecture, operational teams and third‑party suppliers to deliver secure and resilient technology solutions.
• Demonstrate strong stakeholder management and communication skills across both technical and non‑technical audiences.
• Be capable of balancing strategic planning, roadmap development and long‑term platform improvements with operational delivery requirements.
• Have strong documentation, governance and technical assurance skills, ensuring solutions meet agreed standards and support models.
• Be confident coaching and mentoring engineers, sharing best practice and promoting high technical standards across delivery teams.

About us

At Post Office Ltd, we’re proud to be at the heart of communities across the UK, upheld by the dedication and service of our postmasters. We offer essential services that people rely on every day, from parcels and banking to identity and government services. While we continue to evolve with digital innovation, our commitment to personal, face‑to‑face service remains core to who we are.

Our journey is one of reflection, growth, and meaningful change. We’re looking for people who think differently. Those with resilience, purpose, and a deep sense of responsibility to our postmasters, partners and the communities they serve. If you're driven by the chance to make a real impact and help shape a future, built on progress and integrity, we’d love to hear from you. For more details visit

Application Guidance

Our commitment to embracing diversity extends beyond just words. While we’ve outlined key skills above, we recognise that great candidates come from a variety of backgrounds. We value diverse perspectives and are committed to building an inclusive workplace where everyone can thrive.

As a Disability Confident Employer, we recognise the value people with disabilities can bring to our business. If you require any reasonable adjustments throughout the recruitment process or would like further details on the job description, please contact

We’re thrilled by your interest in this opportunity and truly value every application we receive. Please note the advert may close early if we receive a high volume of applications. Unfortunately, we’re unable to provide individual feedback on all submissions.

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