277 mechanical design engineer jobs found

Mechanical Design Engineer - Contract (12 Months) | Bedfordshire | Inside IR35 Looking to take on complex engineering challenges that genuinely push your technical capability? We're seeking experienced Mechanical Design Engineers to join a high integrity defence engineering programme focused on advanced platform integration and mission-critical systems. This is an opportunity to work on cutting-edge mechanical sub-systems, complex mechanisms, and high reliability components designed for demanding military environments. Location Bedfordshire On-site presence required Mondays and Tuesdays from September 2025 Contract Details Duration: 12 months Hours: 37.5 per week Schedule: 4-day week (Mon-Thurs) with flexible working Rate: Competitive per hour (inside IR35, inclusive of employer deductions) Clearance: BPSS to start; SC required later Eligibility: Sole UK nationals only (due to programme requirements) Role Overview As a Mechanical Design Engineer, you'll be responsible for...

Mechanical Design Engineer (NX) Remote (occasional site visits to Portsmouth) £56.41 (inside IR35) Defence 6 months Applies an in depth understanding of design processes, tools, systems and techniques to an extensive range of design solutions associated with complex assemblies, components or systems. Is able to develop design solutions from the bottom up with limited information, applying the various design requirements to achieve appropriate design solutions. Working as part of a multi-functional team, the successful applicant will be currently working in a senior designer role and have many years' experience of using CAD software to create 2D and 3D solid modelled designs, for a wide range of products from small components to large complex sub-systems. The successful applicant will take the Lead Design Engineers conceptual information or component list and develop into a detailed design and data pack that is suitable for manufacture. They will then manage the...

Job Title - Senior Mechanical Design Engineer Duration - 2 Month Contract (potential for extension) Working Model - On-site in Bridgend (Wales) Hourly Rate - £35p/hour - £45p/hour (dependant on experience) Senior Mechanical Design Engineer Overview  My client is looking for an experienced Mechanical Design Engineer capable of working independently. The role involves producing and reviewing mechanical designs, preparing reports and specifications, carrying out Part L assessments, including full Stage 4 design verification. Candidates should have experience in a contracting design environment and a good understanding of builder’s work coordination. The company delivers mechanical and electrical services across commercial and industrial projects, from design through to installation, commissioning and maintenance. The Senior Mechanical Design Engineer role will involve: Produce and review mechanical designs for commercial and industrial projects Work independently and manage own...

Fluid Mechanical Design Engineer 12 month contract Based in Filton Offering £50ph Inside IR35 Do you have experience working in a test laboratory environment? Do you have experience working in hazardous environments? Do you want to work with an industry-leading company? If your answer to these is yes, then this could be the role for you! As the Fluid Mechanical Design Engineer, you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry. You will be involved in: Lead the team in completing the detailed design phase and passing CDR (critical design review) Develop and implement the build plan Lead the Verification and Validation of the built test rig and ensure entry into service Coordinate technical activities within the team ensuring correct prioritisation of...

Mechanical Design Engineer Position: Mechanical Design Engineer Location: Castle Donington - Hybrid/Flexible Contract: Outside IR35 Type: Full-Time The Role This is a contract outside IR35 role working on a project involving designing a range of turbomachinery related components. Key Responsibilities: Create detailed 3D models and assemblies using Siemens NX. Generate engineering drawings. Perform engineering design calculations eg tolerance stack-up analysis & GD&T. Preparation of engineering design reports. Engage with suppliers and lead design for manufacturing activities. Ensure designs meet industry standards, customer specifications, and regulatory requirements.Required qualifications and experience: Bachelor's degree in Engineering. Experience designing turbomachinery, particularly blades/turbines. Experience using BS8888 and/or ASME Y14.5 Proficiency in NX software is essential. Strong skills in mechanical calculations and GD&T are essential....

Mechanical Design Engineer Location: Derbyshire Rate: £40 - £42 per hour (Ltd – Outside IR35) Contract: 3 – 6 month initial contract – likely to extend Immediate Start Our client is looking for an experienced professional to take a lead role in managing the full design process—from initial concept through to final delivery. This is a unique opportunity to contribute to high-impact projects within a fast-paced, collaborative engineering environment. You'll use tools like CAD and advanced engineering software to validate calculations, support testing, and oversee project execution, working closely with cross-functional teams to ensure quality, efficiency, and client satisfaction at every stage. What Our Client is Looking For: A hands-on background in fabrication and structural engineering Proficiency in engineering calculations – using Mathcad, Excel, and hand calculations Expertise in acoustics, airflow, and thermal systems Experience with both large and small companies,...

Mechanical Design Engineer Location: Cheltenham (3 days onsite) Duration: 12 Months Rate: Up to £60/hour (Inside IR35 - Umbrella only) 37 Hours per week Summary: As a Mechanical Design Engineer, the need is to join a project team delivering all aspects of the mechanical engineering which supports the overall development of our Power Distribution and Control Systems solutions. You will be expected to influence the design decisions, material/process selections and other facets related to the overall design intent and ultimately through into production. Essential Responsibilities: Experience in creating innovative, complex mechanical designs for new product development, preferably in a safety critical environment. Extensive experience using 3D modelling software especially Siemens NX, an awareness of ANSYS thermal and structural packages. Experience of using a PLM system such as Windchill or Team-centre Experience of product design and development activities embracing design...

Mechanical Design Engineer Location: Filton Contract Length: 12 Months (Likely Extension) Hours: 35 per week (4 days between 7am-7pm) Clearance: BPSS+ (completed by the Client's Security Team) Rate: £50ph Umbrella / £37.38ph PAYE IR35: Inside (Off‑Payroll Working Rules Apply) About the Role Our Client is seeking an experienced Fluid Mechanical Design Engineer to join their Test Centre team and act as the technical lead on an exciting R&T project focused on exploring auto‑ignition temperatures for Sustainable Aviation Fuel (SAF). You will join at the conceptual architecture definition stage and lead the project through detailed design, build, and commissioning - delivering a complete end‑to‑end test rig development project. This role sits within a multi‑disciplinary engineering environment, working alongside Test Means Architecture & Integration teams to deliver a safe, high‑quality technical solution. Key Responsibilities Lead the team through detailed design...

Senior Mechanical Design Engineer Location: Manchester (2 to 3 days a week in office) Contract: 12 month contract Rate: £355 to £445 per day (outside IR35) An established engineering design consultancy is seeking an experienced Senior Mechanical Design Engineer to support the delivery of projects across regulated clean and wastewater projects in the UK. The Projects you'll be working on Varied projects across the UK water industry, including: Various UMON projects in Sewage Treatment Works Pumped storm storage for CSOs and Sewage Treatment Works Key Responsibilities Provide design deliverables that satisfy safety and quality requirements. Produce design calculations and drawings for the water industry Direct and develop CAD technicians and more junior designers and graduates. Design in compliance with relevant technical, professional and group standards. Required Qualifications & Experience min 10 years' mechanical design experience in the UK water industry...

On behalf of our client, we are seeking a Fluid Mechanical Design Engineer to join on an initial 12-month contract. As a Fluid Mechanical Design Engineer , you will act as the technical lead on an R&T project exploring auto-ignition temperatures for Sustainable Aviation Fuel. Role: Fluid Mechanical Design Engineer Pay: £50 per hour Via Umbrella Location: Filton Contract: Monday- Friday, 35Hours per week, 12 Month contract IR35 Status: Inside Security Clearance: BPSS Responsibilities Lead the team in completing the detailed design phase and passing CDR (critical design review). Develop and implement the build plan. Lead the Verification and Validation of the built test rig and ensure entry into service. Co-ordinate technical activities within the team ensuring correct prioritisation of topics. Support the team in their day to day activities to overcome any technical challenges Essential Skills Experience of working in a test laboratory environment. Experience of...

We are recruiting a Mechanical Design Engineer to design and develop high-reliability subsea electrical and optical connectors for harsh and extreme environments. You will work on low and high voltage connector systems, pressure housings, and sealing solutions used in offshore and subsea applications. The role involves CAD-based design, material selection for HPHT and subsea environments, FEA validation, prototype and pressure testing, and producing detailed engineering documentation. You will collaborate closely with R&D, manufacturing, quality, and project teams, contributing to both standard product development and customer-specific projects. Key requirements Degree in Mechanical Engineering (or similar) Three years experience in subsea or high-reliability mechanical systems Strong CAD and FEA skills Knowledge of sealing technologies, pressure-rated designs, and subsea materials Familiarity with industry standards (API, ISO, IEC, IEEE)

Role: Mechanical Design Engineer Location: Stratford-upon-Avon – Hybrid/Remote Contract Length: 3 Months + Start Date: ASAP Rate: £40.00 to £50.00 per hour – Outside IR35   We are currently seeking an experienced Contract Mechanical Design Engineer to support the development of high-quality engineered products used within a safety critical environment.   This role will focus on the design and development of High Pressure Die Cast (HPDC) components, working closely with a small cross-functional team to deliver robust, manufacturable designs.   Key Responsibilities Mechanical design and development of components and assemblies Design of High Pressure Die Cast (HPDC) products Producing detailed 3D models and technical drawings using Autodesk Inventor Ensuring designs meet relevant industry standards and compliance requirements Designing for hazardous area environments, considering certification requirements  Required Experience Proven experience as a Mechanical Design Engineer...

World Class Defence Organisation is currently looking to recruit a Mechanical Design Engineer (Military Packaging Design) subcontractors on an initial 12 month contract. This role would suit a Mechanical Design Engineer who comes from a strong Defence or Aerospace background has strong Creo / PRO-E skills.  Other CAD Package skills are also fine.         Job Title:  Mechanical Design Engineer Rate: £50.00 per hour Location: Stevenage Hybrid / Remote working: Hybrid, 2-3 days min on site. Although this can change due to workload. Can be continually reviewed. Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Mechanical Design Engineer - Job Description: An opportunity to become part of Europe’s No. 1 Missile Systems Designer, as a Mechanical Design Engineer. You will work closely with other functional...

World Class Defence Organisation is currently looking to recruit a Mechanical Design Engineer (Military Packaging Design) subcontractors on an initial 12 month contract. This role would suit a Mechanical Design Engineer who comes from a strong Defence or Aerospace background has strong Creo / PRO-E skills.         Job Title:  Mechanical Design Engineer Rate: £50.00 per hour Location: Stevenage Hybrid / Remote working: Hybrid, 2-3 days min on site. Although this can change due to workload. Can be continually reviewed. Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Mechanical Design Engineer - Military Packaging Design Job Description: An opportunity to become part of Europe’s No. 1 Missile Systems Designer, as a Mechanical Design Engineer. You will work closely with other functional teams, to develop...

World Class Defence Organisation is currently looking to recruit a Mechanical Design Engineer subcontractor on an initial 6 month contract. Job Title:  Mechanical Design Engineer Rate: £50.00 per hour Location: Stevenage or Bristol (depending on your preference) Hybrid / Remote working: 4 days a week likely onsite (likely could be lower on a week by week basis; depending on work). 1 day remote. (flexible on start and finish time). A compressed 4 day week (Monday to Thursday) a possibility. Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Mechanical Design Engineer Job Description: An opportunity to become part of Europe’s No. 1 Missile Systems Designer, as a Mechanical Design Engineer. You will work closely with other functional teams, to develop products to meet our customer’s needs. Within this role...

We are currently looking for a experienced Mechanical Design Engineers to work for one of our clients in Burton on Trent. The client is a market-leading manufacturer of specialist equipment to a range of industry sectors including heavy engineering and aerospace. Due to the specialist nature of the products theis Mechanical Design Engineers role is both interesting and varied and will include working on the design and creation of large scale fabrications and structures together with associated pipework and equipment. Based in their offices in Burton on Trent, but with a requirement to travel to customers both in the UK and overseas as required, it will include the generation of engineering diagrams, for use on their equipment and will involve working on specific projects from conception to completion. The main duties will include: * 2D and 3D engineering design proposal drawings * General Arrangement drawings * Fabrication details drawings * Pipework layouts and...

We have an exciting opportunity for a Senior Mechanical Engineer to get involved in expanding our clients team in Ireland and help further strengthen our technical capabilities in Europe whilst working on landmark projects. You will be joining the Mechanical team, with role will predominantly be focused on overseeing the delivery of multiple sectors including Data Centres, Commercial Office, Hotel & Residential, Retail and Laboratory projects With flexible working arrangements, great opportunities for personal growth and development and a collaborative and inclusive work environment, join us and help us in making spaces work. Design and review of mechanical system designs for a range of projects Act as a sounding board for mechanical engineers in the office, offering design direction and guidance Peer review of designs and specifications of mechanical systems Play an active role in developing the mechanical team technical capability Be expected to lead...

We are looking for a skilled and detail-orientated Mechanical Design Engineer to join our Engineering Team. This is a key role within our design department, contributing to the development of high-quality, compliant technical solutions across the company product range, being responsible for the entire design process from engaging with the customer for their requirements through to design verification. This role requires both technical expertise and commercial awareness, including managing design budgets and influencing clients. This opportunity has arisen at the time when the Engineering Team is pivotal to achieving a cost-effective work environment that contributes to the company’s success. Permanent, full-time contract. Based on-site working Monday to Friday 38 hours per week. This role may be involved with sensitive tasks or information that require a Baseline Personnel Security Standard (BPSS) check. This will involve the Basic DBS check of your criminal record as well as your...

Principal Mechanical Engineer Shape the Future of Our Cities and Environments Our client is seeking an experienced and dynamic Principal Mechanical Engineer to join their Design & Advanced Technology (D&AT) team. As part of a talented, multi-disciplinary group, you will be at the forefront of delivering innovative and iconic projects within the Water market. This is an opportunity to work on cutting-edge engineering projects that have a global impact, contributing to critical UK infrastructure both domestically and internationally. This role offers you the chance to make a significant impact, playing a key role in transformational programmes while delivering industry-leading solutions throughout the project lifecycle. Location: Hybrid working available (3 days per week office/site-based) Type: Contract Rate: £68 per hour Your Role As a Principal Mechanical Engineer, your responsibilities will include: ·Leading a team of Mechanical engineers in delivering technical...

Principal Mechanical Engineer Shape the Future of Our Cities and Environments Our client is seeking an experienced and dynamic Principal Mechanical Engineer to join their Design & Advanced Technology (D&AT) team. As part of a talented, multi-disciplinary group, you will be at the forefront of delivering innovative and iconic projects within the Water market. This is an opportunity to work on cutting-edge engineering projects that have a global impact, contributing to critical UK infrastructure both domestically and internationally. This role offers you the chance to make a significant impact, playing a key role in transformational programmes while delivering industry-leading solutions throughout the project lifecycle. Location: Hybrid working available (3 days per week office/site-based) Type: Contract Rate: £68 per hour Your Role As a Principal Mechanical Engineer, your responsibilities will include: ·Leading a team of Mechanical engineers in delivering technical...