Job Title\: Security Controller Location: Portsmouth - Portsdown Technology Park, onsite role with some flexibility We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £47,000 dependent on skills and experience Who we are: Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there’s no limit to where a career at BAE Systems could take you. Job Description\: As a Site Security Controller, you will lead the hands‑on delivery of security governance and protective practices across Naval Ships programmes, ensuring compliance with contractual and regulatory requirements. You’ll work closely with diverse internal teams, operational staff and external partners to create a secure and collaborative environment. Acting as the security SME, you will assess risks, shape mitigation plans and support their implementation to keep people, assets and information safe. Your contribution enables complex Naval Ship projects to be delivered securely and confidently. Core duties\: You will be seen by internal stakeholders as the security point of contact for any allocated sites and facilities Engagement with cross-functional teams to ensure that customers and company security requirements are being met Ensure delivery of Security Risk Management to address and reduce any identified risks to an acceptable level You will have overall contractual responsibility for the security management of government classified assets and information Carry out timely and proportionate response to and the processing of security incidents, to minimise the damage to the organisation Essential Skills\: Demonstrated knowledge of GovS 007\: Security, Joint Service Publications and Information Assurance Standards Ability to assess and report on security measures, ensuring policies remain current and robust Experience within Defence or another regulated industry is highly desirable and considered an asset The Security Team\: You will work at the centre of a fast‑paced, delivery‑focused environment supporting key Naval Ships programmes. Collaborating with cross‑functional teams, you’ll manage shifting security priorities, meet business and customer obligations and build a rewarding career through ownership, adaptability and meaningful contribution. Why BAE Systems? Here you’ll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You’ll be recognised for your contribution and enjoy rewards tailored to what’s most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We’re committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date\: 22nd May 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible. LI-PM1 LI-Hybrid