BAE Systems
Mechanical Design Engineer – Mechanical Systems
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Mechanical Design Engineer – Mechanical Systems
Location
Portsmouth Naval Base – Hybrid
An array of hybrid and flexible working arrangements are available, so please consult your recruiter for details on how this role can accommodate your preferences.
Salary
Up to £42,000, dependant on experience
About the Role
At BAE Systems, you will join a dynamic global team dedicated to advancing technological solutions in defence, aerospace, and security. This role extends beyond conventional boundaries—our mission spans from ocean depths to outer space, offering a career with purpose and growth opportunities commensurate with ambition.
For this position as a Mechanical Design Engineer, you’ll contribute to the design, development, and refinement of mechanical systems for ships and platforms, ensuring high standards of quality, capability, and operational reliability. Your work will help shape the future of maritime defence, with impacts reaching across shipboard technologies while working in collaboration with international partners.
Core responsibilities include in-service technical support, stakeholder engagement, and crafting innovative solutions with technical rigour.
About Design Services at BAE Systems Maritime
Based at Portsmouth Naval Base, our Design Services team represents BAE Systems’ indService” technical support function in MaritTruiimore engineering organisation. Comprising around 180 technical professionals—specialising in Mechanical, Electrical, Combat Systems (ECS), Structures/Outfit (S&O), and HVAC—we design modifications and integration packages for existing warships.
Building on tradition and innovation, our team collaborates closely with Naval Architects, Safety specialists, and internal/external customers to deliver tailored engineering solutions—focusing on improving, standardising, and optimising systems for an elusive fleet.
The aosume a broad mix of colleagues—academic and professional backgrounds interwoven—to serve Royal Navy ships and maintain BAE Systems’ leading role in naval engineering.
Core Duties
To excel in this role, your core tasks will include:
- Participating in on-board ship trials and surveys, liaising comprehensively with operations, design disciplines, customers, and suppliers to ensure technical alignment
- Analysing operational problems or system demands, developing tailored solutions—individually or as part of a team—throughbolt detailed technical investigation
- Supporting best-practice development for tools, processes, and tools to enhance efficiency and capability
- Producing comprehensive design deliverables, including:
- Technical drawing packages ( guideline manuals)
- Parts lists and inventories using AutoCAD / Inventor
- P&IDs, diagrammatics, isometrics, and supplementary guidance
- Attending project design reviews, presenting the work of the Mechanical/Piping team—or supporting colleagues’ project undertakings
- Leveraging internal and external databases to locate accurate and relevant information, crucial for informed design decisions
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Essential Skills & Experience
To qualify for this Mechanical Design Engineer position, your experience must evidence expertise in:
- 득urring detailed mechanical system design using AutoCAD / AutoDesk Inventor (3DF-2D, modeling), Foran—exemplified by accurate manufacturing and assembly drawings
- Technical drawing expertise, with current knowledge of:
- Ship system engineering: Projections, scales, tolerances
- P&IDs (Piping and Instrumentation Diagrams)
- Diagrammatics and piping isometrics specific to maritime contexts
- Warship/maritime symbols and conventions
- Maritime engineering principles in:
- Design, analysis, and optimisation of fluid-based systems (hydraulic, pneumatic, propulsion)
- Basic pressure loss/flow calculations and sizing of pipework components
- Mechanical manufacturing processes, including:
- Material selection (stock, welded, selective casting)
- Surface finish and Machining tolerancing alignment
- Practical, hands-on experience working with:
- Naval Engineering standards and governance (e.g., RN Warship standards)
- Servicing and maintenance or design of Royal Navy surface ships (existing fleet platforms)
Why Choose BAE Systems?
By becoming part of BAE Systems, you’ll invest in a career with progression and impact:
- Flexible working—tailored to support your wellbeing and lifestyle demands
- Lifelong learning: A commitment to professional development alongside the tools and guidance to elevate your expertise
- Purposeful work: Driving real-world advancements in defence, aerospace, and security—a rewarding sense of contributing to national safety
- Recognition and rewards—where your contributions matter and are meaningfully acknowledged through packages tailored to personal priorities
- Financial and personal support: Confidence in planning your financial goals through competitive remuneration and support options like pension schemes, client assistance
- A sustainable work culture: Balanced approaches to operational demands, emphasising innovation and responsibility with the planet in mind
- Inclusivity and belonging: A том diversity and inclusive environment that values every individual’s unique experience—profoundly crucial to our operational excellence
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Important Operational Focus: Security and Export Compliance
You must recognise that many roles at BAE Systems are subject to strict security and export licensing restrictions. This impacts certain applications based on:
- Your nationality and previous nationalities
- Place of birth or varying residency histories
- Eligibility for standard security screenings, including Baseline Personnel Security Standard (BPSS)—a minimum requirement
- Higher security clearances, which often require 5–10 years’ continuous UK residency (vetted case by case)
All selected candidates will undergo security checks. If these checks are successful, you will be placed under NDA), protecting advanced technologies and their confidentiality runry other purposes.
Apply by 15th July 2026
Next Steps
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