DevSecOps Engineer in London

The Opportunity

As a DevSecOps Engineer, you'll help secure the digital services that support the day-to-day work of UK Parliament. Embedded within the Software Engineering team, you'll act as a security partner to developers - ensuring security is built into services from the start, not added at the end. Working across a bespoke Microsoft-focused environment including C#, .NET, .NET Core and .NET Framework, alongside MVC and Web API applications, SQL Server, RESTful APIs and Git-based workflows, you'll support teams in delivering secure, resilient software at pace.

You’ll provide practical guidance on secure design, code quality, and platform security, helping shift security expertise into every stage of the development lifecycle. Collaborating closely with engineering teams and cyber security specialists, you'll help strengthen DevSecOps practices across Parliament - influencing architecture, supporting testing activities, and promoting secure coding approaches that enable teams to deliver with confidence.

If you enjoy working hands-on with engineers, solving real security challenges, and helping teams build secure services the right way from day one, this role offers the chance to make a meaningful impact in a nationally significant environment.

• Security Integration: Ensure security is integrated into every stage of the software development lifecycle (SDLC), from initial design to deployment and maintenance.
• Automation: Implement and manage automation tools to streamline security processes, such as continuous integration/continuous deployment (CI/CD) pipelines.
• Vulnerability Management: Identify, assess, and mitigate security vulnerabilities in applications and infrastructure.

What You Need

• Understanding of cyber and information security principles and how they underpin all digital activities, including an appreciation of cyber and information security functions/activities and how they mitigate likelihood and impact of cyber attacks, especially in a DevSecOps environment.
• Demonstrable experience across C#, .NET, .NET Core and .NET Framework, web frameworks including MVC and Web API, SQL/SQL Server.
• Experience in best practice of securing both web applications and APIs.
• Experience of configuring monitoring and proactive alerting tools based on security events, Git, abstracting code into core libraries and creating reusable components, debugging and systems analysis, knowledge of common vulnerabilities and threats.
• Experience of configuring CI/CD tooling and security best practice.
• Strong interpersonal skills with proven ability to establish positive working relationships and influence and persuade at all levels.
• Excellent written and verbal communication skills with the ability to present complex information clearly and effectively.
• Takes ownership of problems and proactively resolves technical problems, ensuring that technical solutions continue to meet business requirements.
• Takes full accountability for actions taken and decisions made.
• The ability to pass security clearance, backed by the right to work in the UK.

About The Team

Protect the UK's democratic process working as part of Parliament's Engineering team, in close collaboration with the Cyber and Information Security team. The Cyber and Information Security threat to Parliament is a challenging one to meet, balancing security and transparency whilst protecting some very high-profile targets. Parliament's technical teams must remain switched on to geopolitical and domestic activity to protect its people, data and technology.

About Us

UK Parliament is steeped in history and tradition. It is an important part of UK life and we need to ensure as many people as possible can engage with its work. This is why we are at the start of a huge transformation programme powered by technology. The Parliamentary Digital Service (PDS) works with the House of Commons and the House of Lords with all their IT and digital needs. We are here to realise the digital ambitions of a modern Parliament and welcome you to join us in building a digital democracy.

Our Package

In addition to your salary, we offer a range of benefits including but not limited to:

• Generous annual leave starting at 30 days and increasing to 35 days in addition to bank holidays.
• Generous maternity pay policy up to 6 months full pay.
• Enrolment in the excellent Civil Service pension scheme with an average employer contribution of 27%.
• On-site gym, nursery, catering, post office, travel office and GP.
• Flexible options including hybrid working and family friendly policies.

How To Apply

Please make sure you're clear on the requirements of the role. These can be found in the Job Description and Candidate Information Pack. You will need to upload your CV to show how you meet up to the first five criterion. Our application process is anonymous, so please remove any personal information from it. As part of the interview process, you'll take part in a live, discussion-led technical exercise (run in a paired programming style) focused on identifying common security misconfigurations, followed by technical questions with the panel.

Apply By: Interviews: TBC : 25th + 26th March 2026 Format: Panel Interview (Remote)

Our Culture

For our people, we provide an amazing opportunity to bring their talents to an institution that sits right at the heart of society in the UK. We are helping to change UK Parliament and strengthen democracy. What matters here is your potential for growth and your commitment to playing your part in our ongoing success. We are passionate about providing an environment which promotes inclusion, diversity and equality. Regardless of your age, gender, ethnicity, beliefs or any of the other things that make you, you. We welcome applications from people who feel under-represented in the workforce. This includes those who may feel disadvantaged because of their socioeconomic circumstances.