Mechanical Engineer
Confirmed on the employer's own hiring board on Oct 27, 2026. First seen by Alion on Oct 23, 2026. BAE Systems scores B on the Alion truth index.
Location(s): UK, Europe & Africa : UK : Great Baddow
BAE Systems Digital Intelligence is home to 4,500 digital, cyber and intelligence experts. We work collaboratively across 10 countries to collect, connect and understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments.
The Mechanical and Thermal Engineering Team, based in Great Baddow, Chelmsford, is seeking a Mechanical Engineer to join an interdisciplinary team within BAE Systems Digital Intelligence. The position requires a flair for innovation and design as well as proven analytical and problem solving skills.
The Group is involved in the development of future aerospace, security and defence systems. Areas of application include: structural design of electrical, optical and electro-magnetic devices and mechanisms; analysis of systems subject to harsh operating environments; and the development of thermal management solutions.
Tasks Include:
- Receiving, interpreting and clarifying instructions from customers or colleagues and providing feedback and design input to help develop the design concept.
- Designing and detailing design solutions based on information received and one’s own work. Designs will be developed using CAD systems by producing 3D solid models of the parts and assemblies involved, supported by calculations and analysis where appropriate, then producing mechanical drawings and other data to facilitate manufacture and assembly.
- Designs may need to be analysed to ensure the structural integrity and thermal management performance.
- Production of design descriptions and performance reports for design review and communications with the customer.
- Provide design for manufacture advice, offer knowledge of new materials and manufacturing techniques.
- To provide the design and manufacture details for of 1st off prototypes through to approved production ready design data packs.
- Peer review of colleagues designs
As a Mechanical Engineer your main responsibilities will involve:
- To provide a mechanical engineering design service and to promote and demonstrate best practice when using the BAE SYSTEMS preferred toolsets.
- Innovating to develop new technology and techniques associated with mechanical design and thermal management.
- Whenever practicable introduce new materials and processes which could realise reduced production costs in support of BAE Systems’ future products
- Liaising with customers (internal and external) to understand and develop requirements and then provide bespoke solutions supported by appropriate analysis.
- Reporting findings clearly and concisely, both written and verbal.
As a Mechanical Engineer your skills and qualifications will ideally include:
- A good degree in mechanical engineering or other engineering sciences and equivalent qualifications and as well as appropriate experience.
- An excellent technical background, with a sound knowledge of mechanical design, structural analysis, design for manufacture and materials.
- Ability to use Computer Aided Design (CAD) and Finite Element (FE) tools and Microsoft Office.
- Ability to work with a high level of self-direction, together with occasional supervision and development of other engineers.
- Knowledge of basic environmental testing methods.
- Heat transfer and thermal management experience would be beneficial
- Good interpersonal skills are required as much of the work is team based.
- An ability and willingness to learn new skills and techniques.
- Preparation of technical reports, test procedures, process specifications and other product documentation is desirable.
What we’re looking for in you:
The successful candidate will work cooperatively and collaboratively with others, be part of a team and will have the ability to identify a problem, obstacle or opportunity and take action in light of this to address current or future problems or opportunities. You will have excellent communication skills with strong attention to detail and will be flexible, team-focused and deliverables driven.
This role requires SC security clearance and you may also need DV clearance in the future to be able to work across the full spectrum of areas the Group is involved with.
Life at BAE Systems Digital Intelligence
We are embracing Hybrid Working. This means you and your colleagues may be working in different locations, such as from home, another BAE Systems office or client site, some or all of the time, and work might be going on at different times of the day.
By embracing technology, we can interact, collaborate and create together, even when we’re working remotely from one another. Hybrid Working allows for increased flexibility in when and where we work, helping us to balance our work and personal life more effectively, and enhance well-being.
Diversity and inclusion are integral to the success of BAE Systems Digital Intelligence. We are proud to have an organisational culture where employees with varying perspectives, skills, life experiences and backgrounds - the best and brightest minds - can work together to achieve excellence and realise individual and organisational potential.