145 senior mechanical design engineer jobs found

Mechanical Design Engineer – Nuclear Sector Warrington | 6-Month Contract | Outside IR35 Considered Rate: Competitive Hourly / Daily Rate (DOE) Our client is a specialist engineering organisation supporting major nuclear programmes across the UK. Due to an increase in project workload, they are seeking an experienced Mechanical Design Engineer to join their engineering team in Warrington on an initial 6-month contract basis. This role will focus on the design and development of bespoke mechanical systems and special purpose machinery for use within highly regulated nuclear environments. The successful candidate will be involved in the full design lifecycle, working closely with project engineers, analysts, manufacturing teams, and end clients to deliver innovative engineering solutions. The Role Working within a multidisciplinary engineering team, you will be responsible for the design and development of bespoke mechanical equipment, handling systems, process machinery,...

Senior Mechanical Design Engineer - Water AMP8 Location: Maidstone, Kent (flexible hybrid) Job type: Long‑term Contract (Outside IR35) A leading water client is seeking an experienced mechanical design engineer to support long‑term capital delivery programmes. This client‑side position covers the full project lifecycle including feasibility, optioneering, detailed design, construction and commissioning. Responsibilities Lead mechanical engineering design activities from feasibility through to commissioning on clean water infrastructure projects. Produce and review detailed mechanical designs, calculations, specifications, reports and drawings for treatment plant assets, pumped systems, pipework and chemical dosing equipment. Carry out and validate hydraulic calculations, including pump sizing, system curves, head loss assessments and surge considerations. Ensure design outputs comply with client standards, WIMES, CDM requirements and relevant industry legislation. Coordinate...

I'm recruiting for a tech start-up in Cheltenham who are growing their R&D and engineering team following a successful period. They're looking for a contract Mechanical Design Engineer to design, develop and test the products used in surveillance, security and telecoms. ROLE: Mechanical Design Engineer LOCATION: Cheltenham RATE: up to £55ph DURATION: 6 months IR35: Outside IR35 Skills required for the Mechanical Design Engineer are: * 2D/3D CAD in Solidworks * Strong protoyping skills (3d printing etc) * Ability to work in fast-paced environment * Analysis/simulation skills * Experience designing ruggedized products for extreme/harsh environments or safety-critical industries The work is 100% on-site in Cheltenham but the company can offer some flexibiltiy with hours to suit personal situation. If you're interested, please apply below or get in touch with me directly with any questions Cheers, Nathan

Senior Mechanical Design Engineer East Midlands - commutable from Derby, Leicester and Nottingham to c£47k neg dep exp + benefits Our client can demonstrate almost half a century's expertise in the design, development and manufacture of bespoke automation and robotic systems for a diverse range of industry sectors and are regarded by many in the industry as one of the leading automation system solution providers in the whole of the UK. As a result of continued success and a planned programme of strategic growth, they are now seeking to recruit an experienced Lead / Senior Mechanical Design Engineer to complement their established and successful team and deliver innovative special purpose automation machinery projects. Based near Leicester and tasked with both designing and overseeing an array of special purpose machine projects from order acceptance to customer hand over, the successful Senior Mechanical Design Engineer candidate will be responsible for the design, detailing...

Job Title: Senior Mechanical Engineer Summary We are looking for an experienced Senior Mechanical Engineer to join a critical programme at Sellafield, Cumbria. This role involves supporting the Plant Facing Design Office in delivering innovative engineering retrievals and operations programme. Ideal for professionals with strong mechanical design expertise in regulated environments, this contract offers an exciting opportunity on a major infrastructure project. Salary: Competitive Location and Working Pattern Sellafield, Cumbria – Full-time, Monday to Friday, 40 hours per week Client Overview Our client is a reputable organisation involved in large-scale, complex engineering projects in the nuclear sector, recognised for prioritising safety, quality, and technical excellence. Responsibilities * Develop mechanical tooling and engineering solutions for project requirements. * Produce comprehensive engineering design packages, including drawings, specifications, and substantiation...

New contract opportunity available for a senior level Project Manager to join a progressive Water Treatment consultancy firm in the Midlands. This is an exciting time to join the business and they are able to offer outside IR35 contracts, remote working and competitive daily rates. As this opportunity is remote, we can be flexible in location, so longs as applicants are situated in the UK and must have proof of right to work in the UK Purpose of contract: To lead the multidisciplinary design and delivery of wastewater treatment and infrastructure projects, taking responsibility for mechanical design and coordination across civil, electrical, and ICA disciplines. The role ensures robust, efficient, and compliant engineering solutions that meet client, regulatory, and sustainability requirements. Key Responsibilities of the Project Manager: Lead the design and delivery of wastewater treatment projects from concept to detailed design and construction support. Act as the technical...

Senior Electronic Engineer Team Horizon is seeking a Senior Electronic Engineer for a client in the automotive industry in Galway. This person will join dynamic engineering team responsible for the design, development, validation, and delivery of innovative electronic products. Why you should apply: * They put their people first and live their diversity and inclusion values embracing all perspectives. * You enjoy working in a culture of learning and collaboration and making a positive impact. What you will be doing: * Lead the design, development, and validation of complex electronic hardware solutions. * Take ownership of electronic engineering deliverables throughout the project lifecycle. * Plan, monitor, and manage engineering activities to ensure successful project delivery. * Review customer requirements, technical specifications, and internal design requirements. * Design and review electronic schematics and high-density PCB layouts. * Perform...

Contract Type: 12-Month Fixed Term Contract (FTC) Industry: Healthcare Technology / Medical Devices About the Role Join an innovative healthcare technology and diagnostics company dedicated to expanding access to care through rapid, accurate point-of-care testing platforms. We are seeking a Senior Systems Engineer (Instrumentation) for a 12-Month Fixed Term Contract (FTC). In this role, you will join our Systems Engineering team to drive projects focused on improving the reliability and robustness of our medical device instrumentation, as well as managing the transfer of technology into production. Key Responsibilities * Electromechanical Design & Testing: Design and test components such as sensors, actuators, and other electromechanical systems. * Project Ownership: Own and independently manage technical projects, covering system design, reviews, and subsystem/system-level verification. * Performance Optimization: Lead practical investigations,...

12 Month Contract Rate open to negotiation (Inside IR35) Hybrid Working – 1 – 2 days per week on site with some flexibility as the contract progresses Job Role: The Senior Auxiliary Engineer will support the design, integration, and technical assurance of various auxiliary systems across a complex marine platform. They will apply deep expertise in system performance, capacity assessment, and optimisation to deliver robust, compliant, and customer focused solutions throughout the shipbuilding lifecycle. The role ensures high engineering standards by driving improvements to processes, supporting technical investigations, and providing evidence-based decision making. Strong marine/auxiliary systems experience is essential to ensuring system reliability and capability across the platform. Key Responsibilities: Preparing specifications, develop Stage 1 Auxiliary System design solutions in line with specifications and all quality and technical standards. Support and participate...

Position Title:             Senior Chassis Control Systems SW & Calibration Engineer Duration:                     Contract                                                                     Location:                     Surrey Principal Accountabilities: Implement control functions in MATLAB Simulink/Stateflow C-code generation and analysis Conduct SW components testing using MIL and SIL techniques Testing SW components within the system on the HIL SW components verification & validation against requirements Lead technical discussions with suppliers Work cross-functionally to deliver software components Skills, Knowledge and Experience: Degree level education in a relevant Engineering discipline - mechanical, automotive, etc. Model-based, auto-coded software prototyping and production implementation Support vehicle software testing and calibration Excellent knowledge of suspension control and/or ESP software and calibration Excellent control theory background Good...

Senior PGC Rotating Equipment Engineer Location: Barrow-in-Furness Contract: 2-Year Contract Grade: Grade G Reporting To: Hub Engineering Manager Senior PGC Rotating Equipment Engineer – Barrow-in-Furness Land and Sea Resources are currently recruiting for a Senior PGC Rotating Equipment Engineer to join the engineering team based in Barrow-in-Furness on a 2-year contract. The Senior PGC Rotating Equipment Engineer will provide specialist rotating equipment engineering support to ensure the safe, reliable, and efficient operation of the Morecambe Hub Product Gas Compressors (PGCs). The role will work closely with operations, maintenance, reliability, integrity, projects, contractors, and vendors to optimise equipment performance and maintain high standards of safety and asset integrity. This is an excellent opportunity for an experienced Senior PGC Rotating Equipment Engineer with a strong background in the oil and gas industry, particularly in reciprocating gas engines and...

Job Title: Senior MEICA & Commissioning Engineer Location: Greater London / Thames Valley (Site & Hybrid Base) Duration: Long-term contract (12+ months) Industry: Water & Wastewater Treatment / Capital Delivery About the Role We are seeking a Senior MEICA & Commissioning Engineer to lead, plan, and deliver complex mechanical, electrical, and process engineering projects across the full lifecycle. Working on behalf of a leading Tier 1 infrastructure delivery partner, you will act as the technical and operational bridge between design, site construction, supply chain, and the ultimate water utility client. You will hold end-to-end accountability for MEICA and commissioning scopes ensuring safety, quality, budget, and programme targets are met while optimising value through standardisation and best practices. Key Responsibilities Project Delivery & Commissioning: Lead the MEICA and commissioning lifecycle from Early Contractor Involvement (ECI) through design...

Position: Mechanical Site Supervisor Location: Loughborough Rate: £425 per day (Neg DOE), inside IR35 Duration: 6-12 months Our Client: Is an integrated design and build solution provider operating in the water sector. They have over 1,000 staff working across eight regional centres, primarily supporting eight long term water sector frameworks operating both on their own and increasingly in joint ventures and alliances. The Role: A major sewage treatment works is undergoing a £130m upgrade to increase capacity. As part of this there are several new process units being installed, namely - PST's, ASP, FST's, inlet pumping station, above ground pipe gantries and numerous other pumping stations. There are a number of large mechanical work packages involving pipework systems/gantries, scraper bridges, pump stations, aeration systems, steelwork access stairways & flooring and pressure testing pipework. You will report directly to the Senior Site Manager and your role will...

Role: Electrical Delivery Integration Engineer Position: Contract Location: Bridgwater - SDC Duration: Ongoing Contract Pay: £415 p/d PAYE + 36 days annual leave // £564 p/d Umbrella The Opportunity Rullion is recruiting for an electrically biased Delivery Integration Engineer to support the delivery of one of the UK's largest and most complex infrastructure projects at Hinkley Point C. Working within the Delivery Integration function, you will support the Senior Area Integration Engineer in developing credible and deliverable construction sequences. The team operates ahead of site delivery, typically reviewing activities beyond the 16-week implementation window to identify and resolve constraints before they affect construction. This position requires a strong understanding of electrical construction, project planning and multidisciplinary interfaces across engineering, procurement, construction and commissioning. Key Responsibilities As the Electrical Delivery...

Engineering Authority Location Barrow-in-Furness Job Type Contract – Full-Time hours - On site Primary Industry Energy, Oil and Gas Secondary Industry Engineering Job Description The Engineering Authority is responsible for providing expert technical oversight and governance to engineering activities within projects and operational environments in the energy, oil and gas sectors. This role ensures compliance with engineering standards, company procedures and regulatory requirements, maintaining the integrity and safety of assets throughout their lifecycle. The post holder leads technical reviews, assesses engineering designs, and provides authoritative decisions on engineering matters to support project delivery and operational excellence. Job Duties Provide authoritative technical guidance and decision-making throughout project execution and operational phases. Review and approve engineering designs, calculations, specifications, and documentation to ensure compliance...

One of London’s leading Building Services contractors is actively seeking a Senior Mechanical Project Engineer for a new landmark high rise residential scheme in South East London. This contractor is most prominent in commercial and residential sectors and are widely rapidly becoming one of the go to specialists in the industry, having built strong relationships with several of the tier 1 developers and contractors. As Senior Mechanical Project Engineer you will be number one on site overseeing the delivery of a £12m mechanical install, reporting directly to a Senior PM. This project is a flagship scheme for one of their longest standing clients, a market leading and widely recognised developer. Besides the chance to add a flagship project to your resume, this is a fantastic opportunity for an ambitious Engineer to fast track their career towards Project Manager level. With a lean management business model, this contractor will allow you to quickly climb the ladder and give you the...

Job Title: Civil Design Engineer (Infra / Non-Infra) Salary: Contract: up to £60 per hour (outside IR35) Permanent: £45,000 - £60,000 (dependent on experience) Location: Leeds Type: Contract or Permanent (hybrid working available) About the Role: Our client is seeking a Civil Design Engineer with experience across either infrastructure or non-infrastructure water projects to support delivery within the Yorkshire Water framework. This is a varied role covering both clean and wastewater projects, ranging from network and pipeline upgrades through to treatment works and facility-based civils. You will be involved across the full design lifecycle including feasibility, optioneering, detailed design, and construction support. About the Client: Our client is a well-established engineering consultancy operating within the UK water and infrastructure sector. They are delivering long-term secured work across key utility frameworks, with a strong pipeline of both network and...

The Opportunity PWHytek Ltd are currently recruiting for a number of Senior and Principal Mechanical Engineers to support a major programme of work within the UK nuclear sector. This is an excellent opportunity to join a high-profile engineering programme, supporting the design, operation and ongoing safety of nuclear power generation. We are looking for experienced engineers who can bring specialist knowledge from operational nuclear facilities or nuclear plant design to support technically challenging projects. The Role Working as part of a multidisciplinary engineering team, you will provide technical expertise across mechanical engineering activities, supporting the delivery of engineering solutions within a highly regulated environment. Successful candidates will contribute to engineering assessments, design activities, safety case justification and operational support across a range of nuclear projects. Key Responsibilities * Deliver high-quality mechanical or...

The Opportunity PWHytek Ltd are currently recruiting for a number of Senior and Principal EC&I Engineers to support a major programme of work within the UK nuclear sector. This is an excellent opportunity to join a high-profile engineering programme, supporting the design, operation and ongoing safety of nuclear power generation. We are looking for experienced engineers who can bring specialist knowledge from operational nuclear facilities or nuclear plant design to support technically challenging projects. The Role Working as part of a multidisciplinary engineering team, you will provide technical expertise across EC&I engineering activities, supporting the delivery of engineering solutions within a highly regulated environment. Successful candidates will contribute to engineering assessments, design activities, safety case justification and operational support across a range of nuclear projects. Key Responsibilities * Deliver high-quality mechanical or EC&I...

Data Centres are crucial components of today's infrastructure, supporting everything from business to public services. The Opportunity Join our international and multidisciplinary team of passionate design engineers and help us create high-quality, sustainable, and innovative data centre structures. You will work on medium to large-scale mission-critical projects, covering all stages of design - from concept to construction supervision and handover. As a Senior Mechanical Engineer your role will be as part of an interdisciplinary team lead the design of mechanical systems (Building servies and cooling) on medium to large-scale Mission Critical projects through all design stages from Concept to Construction Supervision and Hand-Over Lead the preparation and review of design deliverables Lead projects and work closely with our data centre clients to deliver quality work to meet their specific needs Present technical content for review by technical and non-technical...