Senior Cyber Security Engineer, Faculty

About the Role

Our Government and Public Services business unit is committed to leveraging AI for the benefit of individual citizens and the public good. From our work informing strategic government decisions, to optimising our NHS, through to protecting children from harmful online content - we know that AI offers opportunities to drive improvements at every level of Government and we are proud to lead on some of the most impactful work happening in the sector. As a Senior Cyber Security Engineer, you will lead our security efforts across a number of key projects, bridging the gap between robust engineering and AI safety. You will play a pivotal role in securing critical infrastructure for high-stakes projects while pioneering offensive "Capture the Flag" scenarios to test the limits of frontier AI models. If you are a talented software engineer with a security mindset who thrives on solving complex, real-world problems, this is your opportunity to shape the future of AI safety.

Who you are

• Because of the nature of the work we do with our Government clients, you may need to be eligible for UK Security Clearance (SC) and willing to work on site with these customers from time to time
• You are a solid engineer with a deep interest in security, possessing strong Python skills and experience working in deployed production systems
• You bring a creative and curious mindset to offensive security, ideally with experience in CTF exercises or red-teaming scenarios
• You possess hands-on experience with cloud security tools (such as Security Hub, IAM, and WAF) and a firm understanding of identity management protocols like OAuth2.0 and SAML
• You have a proven track record in vulnerability management and securing the application development lifecycle, including container scanning and automated testing
• You are a clear and persuasive communicator, comfortable acting as a technical advisor to clients and translating complex risks into actionable engineering tasks
• You thrive on autonomy and ownership, ready to step into a senior role where you will define best practices in a fast-paced, evolving domain

What the job involves

• Designing and building sophisticated "Capture the Flag" puzzles and scaffolding to rigorously test the security and capabilities of frontier AI models and agentic systems
• Setting technical standards for cyber security across our consulting and AI safety business units, acting as the senior technical authority for deployed security practices
• Implementing and securing cloud-native environments while managing identity, access, and logging across multiple client deployments
• Collaborating within cross-functional teams of machine learning engineers, data scientists, and designers to ensure security is woven into the fabric of the projects you deliver
• Automating security processes, vulnerability management, and secure development lifecycles to create resilient, scalable software
• Mentoring and guiding junior engineers and data scientists, fostering a culture of technical excellence and continuous security learning

Application process

• Talent Team Screen (30 minutes)
• Technical Interview (90 minutes)
• System Design Interview (90 minutes)
• Commercial Interview (60 minutes)

If you don’t feel you meet all the requirements, but are excited by the role and know you bring some key strengths, please do apply or reach out to our Talent Acquisition team for a confidential chat - [contact hidden] Please know we are open to conversations about part-time roles or condensed hours

Salary Benchmarks

Security Engineer

Expert

Senior

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Company Benefits

• Dental cover - 100% of dental fees covered, up to £500, including checkups and hygienist.
• Optical Cover - 100% of the cost of prescribed glasses and contact lenses up to £300 a year.
• Hybrid working: We believe people have needs, responsibilities and interests that require something different to a strict working day. We trust people to organise and take accountability for their own work and do our best to support their lives outside [Employer hidden]. We provide you with all you need to work from home, including a laptop, keyboard and chair.
• Unlimited holidays: We encourage each other to use this time to take a break, work on personal projects, or to spend time with their friends and family
• Fantastic private health, for you & your family - including 24/7 unlimited virtual private GP appointments and covering pre-existing medical conditions
• Access to mental health coaching with Sanctus
• Lunch weekly, and more fruit, drinks and snacks than you could ever eat (for office-based employees)
• We work hard and make sure we enjoy what we do. So we have frequent socials and informal get-togethers to help make sure you enjoy your time with us. You’ll make friends and professional connections that will last a lifetime
• Paid Maternity, Paternity, Adoption or Shared Parental Leave - we offer a progressive, gender neutral and generous parental leave policy here at [Employer hidden]. All parents are given 15 weeks leave at full pay in addition to statutory time off after 12 months of service.