At a Glance
- Tasks: Lead the design and improvement of workplace technology platforms for Post Office.
- Company: Join a community-focused company at the heart of UK services.
- Benefits: Enjoy 27.5 days leave, bonuses, and a generous pension scheme.
- Other info: Embrace diversity and thrive in an inclusive workplace.
- Why this job: Make a real impact on technology that supports communities across the UK.
- Qualifications: Deep technical expertise in infrastructure and workplace technology required.
The predicted salary is between 61816 - 75552 £ per year.
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
What you’ll need to succeed
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.
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 talentacquisition@postoffice.co.uk.
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.
Workplace Platforms Principal Engineer in London employer: Post Office UK
Post Office Insurance is an exceptional employer, offering a dynamic work environment in London where innovation and customer value are at the forefront of our mission. With a competitive salary and a comprehensive benefits package, including generous annual leave and robust learning opportunities, we foster a culture of inclusivity and professional growth. Join us as we embark on an ambitious growth journey, where your contributions will directly impact our success in delivering quality insurance products to our customers.
StudySmarter Expert Advice🤫
We think this is how you could land Workplace Platforms Principal Engineer in London
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Post Office UK or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Post Office UK.
✨Tap into Online Developer Communities
Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Post Office UK.
✨Explore Job Boards Specifically for Tech Roles
Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Post Office UK that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!
We think you need these skills to ace Workplace Platforms Principal Engineer in London
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Post Office UK.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Post Office UK and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at Post Office UK
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Post Office UK uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
