Great ideas come from different minds. That’s why we bring together engineers, scientists, analysts, and creatives from every background — and give them the trust, tools, and freedom to make a difference. What connects us is the mission: solving meaningful problems and building capability that protects what matters most.
And as the challenges evolve, so do we — working on the technologies that will shape tomorrow, not just today.
Principal Software Engineer - National Security
And as the challenges evolve, so do we - working on the technologies that will shape tomorrow, not just today. A UK Engineering & Technology consultancy working at the heart of the UK's National Security, Defence and Critical Infrastructure.
We partner closely with the UK Government & Security organisations to solve complex, real-world problem - from intelligence and cyber security to systems engineering and advanced analytics. Much of our work is sensitive, high-impact and genuinely mission-driven.
Technical Skills
Domain Knowledge
Soft Skills
Although you will be leading a team of talented engineers, you will need to be able to context-switch between high-level customer meetings and low-level hands-on engineering activities, unsupported by your team when required at short notice (for example if failures are observed in a high side running system requiring patching or to working with high-side only code).
Built on over a 70 year heritage, Roke offers specialist knowledge in sensors, communications, cyber, and AI and ML. We change the way organisations think and act – through dynamic insights from the analysis of multiple layers of data. We take care of the innovative, technical stuff that keeps everyone safe – that’s our mission, passion, and motivation.
Where you’ll work…
Gloucester - You’ll find our Gloucester site in a business park two minutes from junction 11A of the M5; The site allows easy access to our local customer base. Set on the outskirts of the Cotswolds, you are never far from a picturesque view or lunch time walk.
Clearances…
Due to the nature of this role, we require you to be hold the highest level of UK Government Clearance.
The Next Step
Click apply, submitting an up-to-date CV. We look forward to hearing from you.
Take a look around the company https://www.roke.co.uk/
At Roke, we stand at the forefront of defence and security, delivering cutting-edge intelligence and engineering solutions that protect nations, troops, borders, and businesses. We bring the credibility of a long-standing defence and national security leader, the precision of a specialist, and the agility to solve complex, high-stakes challenges with purpose and impact.
For 70 years, our innovations have safeguarded the UK and its allies. Our comprehensive technological ecosystem – spanning AI-powered analytics, advanced cyber security, autonomous systems, tactical drones, high-sensitivity sensors, electromagnetic spectrum dominance, secure communications, and cutting-edge robotics – ensures that those on the mission edge stay ahead of emerging threats. We don’t just provide intelligence; we help our customers understand the world they operate in and the risks they face.
At the heart of Roke is a team of pioneers – scientists, veterans, engineers, and intelligence professionals – who don’t just imagine the future of warfare, national resilience, and public safety, but build it. We move fast, solving today’s most pressing security challenges, like drones, quantum and AI, while shaping the battlefield of tomorrow. We are proud of our heritage as British innovators, and our commitment to sovereignty, security, and progress is unwavering.
We’re proud to be part of the Chemring Group plc, providing us with expertise, corporate strength and access to international markets for our world-leading intellectual property.
