About the role
Why Faculty? We established Faculty in 2014 because we thought that AI would be the most important technology of our time. Since then, we’ve worked with over 350 global customers to transform their performance through human-centric AI. You can read about our real-world impact here . We don’t chase hype cycles. We innovate, build and deploy responsible AI which moves the needle - and we know a thing or two about doing it well. We bring an unparalleled depth of technical, product and delivery expertise to our clients who span government, finance, retail, energy, life sciences and defence. Our business, and reputation, is growing fast and we’re always on the lookout for individuals who share our intellectual curiosity and desire to build a positive legacy through technology. AI is an epoch-defining technology, join a company where you’ll be empowered to envision its most powerful applications, and to make them happen.
About
the team Our National Security and AI Safety business unit is dedicated to advancing the responsible development and deployment of AI in support of national security and global stability. From strengthening mission-critical capabilities across national security and intelligence, to working with frontier labs to provide robust AI safety red teaming and evaluation, we work at the frontier of high-stakes, high-impact missions. We understand that powerful AI systems bring both transformative opportunities and complex risks and we are proud to partner with Government and the biggest tech organisations in the world to ensure AI is not just transformative but is also secure, trustworthy and safe for all. Because of the nature of the work we do with our Government clients, you may need to be eligible for UK Developed Vetting (DV) and willing to work on site with our clients from time to time.
About
the role 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 designing evaluations, test harnesses and "Capture the Flag" scenarios to test the limits of Frontier models. You'll also work on securing the agentic AI systems that we deploy into the heart of government. If you are a talented engineer with a security mindset who thrives on solving complex, real-world problems, this is your opportunity to shape the future of AI safety. What you’ll be doing: Designing and building scaffolds to rigorously test the security and capabilities of frontier AI models and agentic systems. Setting technical standards for AI Security across our consulting and AI safety business units, acting as the senior technical authority for deployed security practices. 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. Who we’re looking for: 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. Our Interview Process Talent Team Screen (30 minutes) Pair Programming Interview (90 minutes) Cyber Security Experience Interview (60 minutes) Commercial Interview (60 minutes) Our Recruitment Ethos We aim to grow the best team - not the most similar one. We know that diversity of individuals fosters diversity of thought, and that strengthens our principle of seeking truth. And we know from experience that diverse teams deliver better work, relevant to the world in which we live. We’re united by a deep intellectual curiosity and desire to use our abilities for measurable positive impact. We strongly encourage applications from people of all backgrounds, ethnicities, genders, religions and sexual orientations. Some of our standout