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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Engineer - Mechanical Engineering (Platform Systems) - **Company:** BAE Critical Skills - **Location:** Barrow-in-Furness, UK - **Experience:** Expert - **Salary:** £53,509.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Systems Architecture - **Published:** July 31, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5821446216 ## About the Role * Strong experience in the design of hydraulic/mechanical systems - ideally in complex, safety-critical environments (e.g. maritime, aerospace, defence, nuclear, oil & gas and sub-sea) * Familiarity with systems and equipment involving; hydraulic power units (HPUs), variable frequency dives (VFDs), control cabinets, pumps, electric motors, hydraulic actuators, hydro-static transmissions and fluid mechanics * Proven capability in system lifecycle delivery, from concept through to commissioning. * Demonstrated leadership, either through technical direction, mentoring, or project ownership * Chartered engineer or working towards professional accreditation ## Description As a Senior Mechanical Engineer, you will play a pivotal role in the design and development of submarine systems. This includes system-level design, technical responsibility, supplier engagement, and the opportunity to steer design architecture across a major submarine programme. Core duties: * Lead design activities of Hydraulic / Mechanical systems, sub-systems and equipment for the next generation Royal Navy submarines * Undertake functional design activities, modelling and analysis * Produce design documentation, Verification & Validation evidence and safety justifications * Support specification qualification and procurement of components, working collaboratively with suppliers * Engaging with stakeholders across the cross-functional project team * Driving engineering governance through peer reviews and design reviews, Join a dynamic, multidisciplinary engineering team where your expertise will help drive the delivery of critical mechanical capability at the heart of a high-profile programme. Through close collaboration with suppliers, systems engineers, and key stakeholders, you'll play a pivotal role in shaping high-integrity technical solutions, supporting team growth, and ensuring projects stay on course-both technically and financially. This is a role that grows with you: whether your passion lies in technical leadership, owning innovative design solutions and guiding others; people leadership, developing talented engineers and managing focused teams; or specialist technical delivery, diving deep into hydraulic and mechanical performance, analysis, and integration. Here, you'll have the flexibility to shape your impact and help define the future of mechanical engineering excellence. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. 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. ## Related Videos - [Model Based Systems Engineering in an Agile Product Development Process](https://www.wearedevelopers.com/videos/68-model-based-systems-engineering-in-an-agile-product-development-process) - [The QUEST for Better Software](https://www.wearedevelopers.com/videos/721-the-quest-for-better-software) - [Overcoming bottlenecks of Platform Teams](https://www.wearedevelopers.com/videos/1410-overcoming-bottlenecks-of-platform-teams) - [Exploring Durable Execution with Python](https://www.wearedevelopers.com/videos/1234-exploring-durable-execution-with-python) - [Automated Driving - Why is it so hard to introduce](https://www.wearedevelopers.com/videos/628-automated-driving-why-is-it-so-hard-to-introduce) - [Platform Engineering vs. DevOps Why not both?](https://www.wearedevelopers.com/videos/885-platform-engineering-vs-devops-why-not-both) ## Related Articles - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Top Characteristics of a Software Engineer](https://www.wearedevelopers.com/magazine/166-top-characteristics-of-a-software-engineer) - [The Ultimate Software Engineer Career Path Guide for 2023](https://www.wearedevelopers.com/magazine/146-the-ultimate-software-engineer-career-path-guide-for-2023) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs)