Job Title:Principal Engineer CommunicationsLocation: Barrow,Hybrid We offer a range of hybrid and flexibleworking arrangements please speak to your recruiter aboutthe options for this particular role.Salary: CompetitiveWho we are:Join BAE Systems and you ll be part of something bigger.As a valued member of our global colleague network, you ll bringyour unique skills and perspectives to help pioneer progress andprotect what matters most. You ll be trusted to play your part indelivering the advanced, technology-led defence, aerospace andsecurity solutions of tomorrow, shaping a safer future, for all ofus. From the depths of the ocean, to the farreaches of space, there s no limit to where a career at BAE Systemscould take you. What you will bedoing: In this role, you willlead the design anddelivery of communications and audio systems for naval vessels,defining system requirements and engineering standards to developeffective solutions for complex submarine environments.You will produce technical documentation, develop testing protocolsand support installation and commissioning activities. You willanalyse test results,conduct technical studies to validate system performance, andcollaborate with engineering and project teams on cost estimation,risk assessments and mitigation strategies, while supportingFactory Acceptance Testing to ensure equipment quality beforeinstallation. Coreduties: Lead the design and integrationof communications and audio systems across submarine platforms,defining system requirements, architecture and engineeringstandards to deliver robust and effective technicalsolutions. Produce high-quality technicaldocumentation including system specifications, engineeringcalculations, design reports and user documentation, demonstratingstrong technical writing and documentation capability.Define and support system testing protocols, includinginstallation, commissioning and dockside activities, ensuringsystems meet required operational performance, safety andreliability standards. Analyse, interpret and presentqualification and test results to internal stakeholders andcustomers, ensuring compliance with defined technical requirementsand operational expectations. Conducttechnical studies, verification and validation activities toconfirm that system designs meet engineering specifications andoperational needs. Contribute technicalexpertise to engineering and project teams, supporting costestimation, technical risk assessments and mitigation strategiesfor complexcommunications solutions. Support FactoryAcceptance Testing (FAT) of supplier equipment when required,ensuring system performance and quality prior to delivery andinstallation. Hold a BEng/BSc or MEng/MSc in arelevant discipline (e.g. Communications, Electrical,Telecommunications, Electronic or Audio Engineering) or equivalentexperience, with provensystem or equipment design experience and expertise in areas such as VoIP,PBX systems, acoustic modelling, radio or safety-criticalcommunications systems; CEng and defence or marine standardsknowledge desirable. The Submarine CommunicationsTeam: As a Principal Engineer Communications, you will collaborate with the internalcommunications design team to undertake a variety of designactivities related to data networks, communication systems andassociated equipment for submarine platforms.This role offers excellent exposure across theorganisation, providing opportunities to engage with stakeholdersat multiple levels. It also provides strong professional developmentprospects, enabling progression toward senior technical roles suchas Consultant Engineer or into engineering leadership pathways. Relocationsupport may be available for submarine roles, subject toeligibility criteria. A placewhere everyone can thrive: We recommitted to building an inclusive workplace where everyone feelsvalued and supported. We know that a diversity of backgrounds,perspectives and experiences strengthens our teams and is vital tothe work we do. Please be aware that many rolesat BAE Systems are subject to both security and export control restrictions. Theserestrictions mean that factors such as your nationality, anynationalities you may have previously held, and your place of birthcan restrict the rolesyou are eligible to perform within the organisation. All applicants must as a minimumachieve Baseline Personnel Security Standard. Many roles alsorequire higher levels of National Security Vetting where applicants must typically have 5 to 10years of continuous residency in the UK depending on the vettinglevel required for therole, to allow for meaningful security vettingchecks. Why BAESystems? Here you ll build acareer with purpose and limitless possibilities. With lifelonglearning and meaningful work, this is a place where you can growyour career with confidence and be empowered tobe your best. You ll be recognised for your contribution and enjoyrewards tailored to what s most important to you and your familysupport for your financial and personal wellbeing, as well as abalanced lifestyle. In an environment embracing sustainable ways ofworking and with a strong sense of shared purpose,our supportive culture is a place you can feel you belong and proudof the difference you make.Closing Date: 28th April2026 We reserve the right to close this vacancyearly if we receive sufficient applications for the role.Therefore, if you are interested, please submit your application asearly as possible. #LI-KP1#LI-hybrid