Job Title: HR Advisor Location: Portsmouth Naval Base (part-time, 21 hours onsite across 3 office days) Salary: Up to £28,500 (Full -time equivalent £50,000) dependent on skills and experience What You’ll Be Doing As a key member of the People function, you’ll play a pivotal role in supporting employees, managers and HR colleagues across a dynamic project‑driven environment. You will: Act as a trusted first point of contact for employees and HR colleagues within your specialist area Manage and resolve a wide range of people queries, ensuring timely and reliable outcomes Provide operational HR advice, guiding managers on day‑to‑day people matters Take a lead role in a unionised environment on Employee Relations cases, including handling disciplinaries, grievances, investigations, performance concerns and supporting managers with sensitive people issues Coach and influence line managers to build their confidence and capability in managing people effectively Support the monitoring of key people metrics and maintain accurate data within HR information systems Work closely with Senior and non-senior HR Leads, HR Partners and Associates to deliver consistent and effective HR support Use your comprehensive knowledge of people processes and company policies to help drive positive outcomes and support business priorities Your Skills And Experiences Proven expertise in Employee Relations, including case management, investigations, disciplinaries, grievances and coaching managers CIPD qualified or actively working towards a relevant accreditation Strong stakeholder engagement skills with the ability to build trusted, professional relationships at all levels Proficient across Microsoft Office with confident digital literacy Excellent organisational skills and the ability to communicate clearly, confidently and effectively Benefits As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts – you may also be eligible for an annual incentive. The Warship Support HR Team The People function fosters a genuine partnership with the business, boasting a well-recognised high-level reputation for its capability within the function and the broader business community. Operating within a dynamic and fast-paced environment, there is abundant variety and opportunities to actively participate in building the capability of our leaders. This is a customer facing role, with a real focus on supporting the business in employee relations matters and fostering collaboration across the business and people function Why BAE Systems? This is a place where you’ll be able to make a real difference. You’ll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you’ll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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 13th February 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.