Job Title: Combat Systems Engineer – External Communications Location: Frimley, Filton, Portsmouth Broad Oak or Weymouth. We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role. Salary: Negotiable depending on experience What you’ll be doing: Support the capture and agreement of technical requirements in line with company and programme processes, interpreting User Needs, Concept of Operations (CONOPS) and Concept of Use (CONUSE) to derive functional and technical requirements for external communications systems Review technical solutions against contractual and regulatory requirements to ensure compliance, and support the definition of performance requirements, acceptance criteria and events across the CADMID lifecycle Ensure all design documentation and design change records are generated, captured, configured and controlled in accordance with company processes Support the development and maintenance of Verification Cross-Reference Index (VCRI), Integration, Test, Evaluation and Acceptance Plans (ITEAP) and Qualification Plans Ensure comprehensive design proving evidence is captured within requirements management tools (IBM DOORS) and endorsed at the appropriate authority level, including flow-down of requirements to suppliers and acceptance of their deliverables Provide technical support to shipbuilder installation, integration, commissioning and in-service refit activities, including supplier equipment acceptance and system acceptance by the customer Your skills and experiences: Essential: Proficient understanding of Engineering Principles Have good awareness of Product Safety and SHE Solid communication experience with Stakeholders Demonstratable commitment to continuous professional development and progressing toward Subject Matter Expert Desirable: Awareness or experience working within the Dreadnought programme 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 ECS (External Communications Systems) Team: You’ll be joining a tight-knit, diverse team that takes pride in sharing knowledge and tackling highly detailed tasks together. Collaboration sits at the heart of how they operate, success is delivered as a team, and this role offers a genuine opportunity to showcase your stakeholder engagement skills while strengthening your ability to influence across suppliers, customers and internal functions. You’ll support key areas such as Requirements Management and the Testing & Integration of equipment into wider submarine systems, giving you broad technical exposure and real accountability. Your role provides excellent visibility across programmes and partners, alongside a clear pathway to deepen your knowledge and progress toward Subject Matter Expert status. With robust support for continuous professional development and relocation packages available (subject to eligibility), this is a fantastic opportunity to grow your career within a high-performing Submarines team. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. 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. We welcome applications from all suitably qualified people, who are BAE Systems employees and have been in their current role for 12 months or longer. (INTERNAL ONLY, REMOVE FOR EXTERNAL) 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 10th March 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-JM2 LI-Hybrid