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Contractor 26
Engineering Outside IR35 mechanical design engineer

26 mechanical design engineer jobs found

CL
Jun 19, 2026  
Mechanical Design Engineer
A leading technology organisation is seeking an experienced Mechanical Design Engineer to support a high-profile engineering programme based in Edinburgh. Role Overview This is an exciting opportunity for a Mechanical Design Engineer to work on advanced engineering projects within a highly regulated environment. The successful candidate will contribute to the design and development of complex mechanical systems, working closely with multidisciplinary engineering teams. Key Requirements Proven experience as a Mechanical Design Engineer within complex engineering environments Strong background in mechanical design, development, and documentation Experience using industry-standard CAD tools Ability to work effectively within multidisciplinary teams Strong understanding of manufacturing and engineering processes Excellent communication and problem-solving skills Active SC Clearance is essential Contract Details Location: Edinburgh Contract Type: Outside IR35 Working Pattern: 3-4...
IR35 Status:
Outside IR35

CV-Library Edinburgh, UK Contractor
CL
Jun 18, 2026  
Mechanical Design Engineer
Contract Mechanical Design Engineer CAD: Inventor Rate: £30–£40 per hour Start: Immediate Type: Contract Length: 3 months IR35: Outside Remote: Yes Contract Mechanical Design Engineer needed to support the design and manufacture of bespoke lifting, winching and hydraulic systems. You will be responsible for the mechanical design producing detailed designs and manufacturing drawings using Autodesk Inventor. Key requirements: • Strong Autodesk Inventor experience • Proven experience as a Mechanical Design Engineer • Experience designing bespoke mechanical systems and assemblies • Ability to produce detailed manufacturing drawings and BOMs • Experience working with fabricated structures and mechanical components • Understanding of practical manufacturing and installation processes • Comfortable working within fast paced project environments This is an immediate requirement for a Mechanical Design Engineer offering £30–£40 per hour depending on experience. Please...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jun 13, 2026  
Mechanical Design Engineer
Contract Mechanical Design Engineer – Avionics Integration Modification ProjectA specialist aerospace engineering organisation is seeking an experienced Contract Mechanical Design Engineer to support a live avionics integration and aircraft modification programme on a regional/narrow-body aircraft platform. This role will focus on the mechanical and structural integration of avionics equipment within a regulated aerospace design environment, supporting installation design, drawing production, systems integration, and aircraft modification activities in accordance with UK aviation approval frameworks. Key Responsibilities Design of structural and mechanical provisions for avionics equipment installations. Development of equipment mounting arrangements, trays, brackets, panels and supporting structure. Mechanical integration of avionics and electrical systems into existing aircraft platforms. Coordination with avionics/electrical engineers to ensure installation and interface...
IR35 Status:
Outside IR35

CV-Library Coventry, Warwickshire, West Midlands Contractor
CL
Jun 13, 2026  
Mechanical Design Engineer
Mechanical Design Engineer Water Sector Outside IR35 Contract £500 per day Ltd We are currently recruiting for an experienced Mechanical Design Engineer to support the delivery of major water infrastructure projects within the UK water sector. This is an excellent opportunity to join a long-term AMP framework programme, working on a range of clean water and wastewater projects across the full project lifecycle. The role will involve producing and reviewing mechanical designs, supporting technical delivery, and working closely with multidisciplinary teams to ensure projects are delivered safely, efficiently, and in line with client requirements. The successful candidate will have previous experience delivering mechanical design solutions within the water sector and will be comfortable working across pumping stations, treatment works, pipework, dosing systems, and associated mechanical infrastructure. Experience working with Tier 1 contractors, design consultancies, or MEICA...
IR35 Status:
Outside IR35

CV-Library Manchester, UK Contractor
CL
Jun 19, 2026  
Manufacturing Engineer
We are supporting a leading engineering and manufacturing business that delivers specialist solutions across the aerospace, power generation, rail, and oil & gas sectors. Due to continued growth, they are looking for an experienced Manufacturing Engineer to join the team on an initial 8-month contract basis. This is an excellent opportunity to work within a highly technical electro-mechanical manufacturing environment, supporting both existing production and new product introduction activities while driving Lean and Continuous Improvement initiatives across the business. The Role Working closely with Operations, Supply Chain, and Design Engineering, you will provide hands-on manufacturing engineering support across production cells, helping improve process efficiency, reduce waste, and support the introduction of new products and manufacturing methods. Key Responsibilities Support production and manufacturing cells with day-to-day engineering activities Drive Lean...
IR35 Status:
Outside IR35

CV-Library Ashford, Surrey Contractor
CL
Jun 18, 2026  
Product Design Engineer
A growing technology company is looking for a freelance design engineer to support the development and production scaling of innovative consumer products. This is a North West UK-based, part-time contract, Outside IR35 with a competitive hourly rate. The successful applicant will be working with a small multidisciplinary team across concept development, prototyping, supplier coordination, and manufacturing readiness. Key Responsibilities Develop and refine product and packaging concepts for manufacture Produce CAD models, technical drawings, and prototype specifications Support testing and production integration activities Coordinate suppliers and partners Assist with tooling, assembly methods, and production process improvements Help transition products from prototype through manufacture to scaled production Experience Required Background in product design, mechanical engineering, or packaging development Experience working with manufacturers and production environments...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Jun 17, 2026  
Mechanical Engineer
Mechanical Engineer Contract Aldermaston SC / DV Clearance Required Are you a Mechanical Engineer with experience supporting complex engineering projects within highly regulated environments? Do you enjoy producing technical documentation, engineering calculations and supporting projects from concept through to delivery? Would you like to work for a growing SME delivering specialist packages of work directly into AWE? What's in it for you? • ~ £60p/h DOE • Outside IR35 • Long term project work • Opportunity to work with a specialist engineering SME supporting AWE projects • Overtime opportunities available What will you be doing? • Producing mechanical engineering documentation and design deliverables • Supporting concept, scheme and detailed design activities • Carrying out engineering calculations, assessments and technical reports • Supporting project delivery across design, manufacture, installation and testing activities • Attending project meetings and design...
IR35 Status:
Outside IR35

CV-Library Aldermaston, Reading RG7, UK Contractor
CL
Jun 14, 2026  
Mechanical Engineer
Mechanical Engineer - 12 Month Contract Birmingham / Hybrid Working Outside IR35 - £55 per hour Are you a Mechanical Engineer who enjoys working across the full project lifecycle? Do you have experience taking projects from front-end studies through to commissioning? Are you comfortable working in highly regulated industrial environments where safety and compliance are critical? What's in it for you? •£55 per hour • Outside IR35 contract • 12 month contract • Hybrid working - based from Birmingham or home • Long-term, technically challenging industrial project • Opportunity to work across concept, design and commissioning phases What will you be doing? • Supporting mechanical engineering activities across the full project lifecycle • Delivering front-end engineering studies and concept designs • Producing detailed mechanical design documentation • Supporting HAZOPs and other safety reviews • Working closely with multidisciplinary engineering teams •...
IR35 Status:
Outside IR35

CV-Library Birmingham, UK Contractor
CL
Jun 13, 2026  
Mechanical Project Engineer
Mechanical Project Engineer - Water Industry Location: Oxfordshire Contract Type: Freelance / Contract Salary/Rate: £(Apply online only) p/d - Ltd Company or CIS GRS are seeking a skilled Mechanical Project Engineer to work on high-value MEICA water projects across Oxfordshire. You'll join a Tier 1 contractor delivering key infrastructure upgrades for UK water authorities under major capital delivery programmes (e.g. AMP8). Responsibilities: * Manage mechanical installation works across water treatment and pumping station projects * Coordinate designs, site works, fabrication drawings, and subcontractors * Ensure mechanical scopes are delivered on time, to spec, and within budget * Interface with electrical and ICA teams to ensure integrated MEICA delivery * Attend site inspections, FATs, commissioning, and handover activities Requirements: * Mechanical engineering background with experience in water or wastewater...
IR35 Status:
Outside IR35

CV-Library Oxford, Oxfordshire Contractor
CL
Jun 11, 2026  
Senior Project Engineer
ADDISON PROJECT PLC – Senior Project Engineer, Thornton-Cleveleys For over 25 years, Addison Project plc has delivered innovative, sustainable engineering solutions across the chemical, pharmaceutical, energy, and food & beverage sectors. As a family‑owned business with UK‑wide coverage, we combine technical excellence with a collaborative, client‑focused approach. Our fully integrated EPCM capability supported by strong CDM and HSSEQ leadership and accredited management systems ensures projects are delivered safely, efficiently, and to the highest standards from concept through to commissioning and start‑up. If you're passionate about engineering and want to join a dynamic, people‑focused consultancy driving progress and sustainability across the UK’s manufacturing and process industries, Addison Project is the place for you. Role: Senior Project Engineer (Contract outside IR35) Location: Thornton-Cleveleys Contract: 12 months Start Date: Spring 2026 WORKSCOPE Addison...
IR35 Status:
Outside IR35

CV-Library Thornton-Cleveleys, Lancashire Contractor
CL
Jun 19, 2026  
Senior EICA Engineer
A leading engineering contractor is seeking an experienced Senior EICA Engineer to support a growing portfolio of water sector projects across the UK. This role offers flexible hybrid working, with the expectation of attending a Manchester office and project sites as required. This is a long term contract position, and can be outside ir35.  The Role Reporting to the Project Lead Engineer, you will play a key role in delivering high-quality Electrical, Control, Instrumentation & Automation (EICA) design solutions across major water frameworks. Key Responsibilities Deliver cost-effective design documentation aligned with client specifications and project requirements Produce outline and detailed EICA designs for water sector projects Conduct site surveys and provide technical input during project lifecycle Attend Factory Acceptance Tests (FATs) and produce detailed reports Review and ensure compliance of subcontractor designs Prepare, check, and approve engineering...
IR35 Status:
Outside IR35

CV-Library Manchester, UK Contractor
CL
Jun 19, 2026  
Lead Broadcast Media Engineer SDVI ingest platforms
Lead or Senior Broadcast Media Engineer with SDVI/ ingest platforms experience 12 month Contract (Outside IR35 tbc) Approx rate £700pd Hybrid London - Must have right to work in the UK August start / Available within 4/6 weeks Lead / Senior Broadcast Media Engineer with SDVI/ ingest platforms experience. Role requires deep understanding of content ingest workflows - including file-based ingest, transcoding, quality control and metadata processing. Extensive, hands-on experience including workflow design, orchestration configuration and integration within a broadcast supply chain environment. SDVI Rally experience and or similar media workflow systems using python development. * Senior or lead engineer background, with hands-on technical delivery experience within complex broadcast or media technology programmes * Extensive, hands-on experience with SDVI Rally - including workflow design, orchestration configuration and integration within a broadcast supply chain environment *...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jun 19, 2026  
Senior Contracts Engineer
Commercial / Contracts Engineer – Contract – London Location: London This is an excellent opportunity to join a world leading cleantech, renewable and alternative energy company involved in the development of novel green energy solutions on a global scale. The role is working client side and is outside IR35. Role & Responsibilities * Responsible for managing the full lifecycle of major EPC and PMC contracts – including the tendering, negotiation, award, post-award administration, and close-out. * Responsible for negotiation and commercial management of all contracts relating to the engineering programme both during the design and construction phases (EPC). * Prepare and issue RFPs/RFQs, oversee clarifications, conduct bid evaluations, and lead both technical and commercial assessments. * Lead contract and commercial negotiations with contractors, consultants, and suppliers. * Implementation of contractual agreements with suppliers and partners to protect commercial...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jun 18, 2026  
Process Engineer
Process Engineer - 12 Month Contract Birmingham / Hybrid Working Outside IR35 - £55 per hour Are you a Process Engineer who enjoys working across the full project lifecycle? Do you have experience taking projects from front-end studies through to commissioning? Are you comfortable working in highly regulated industrial environments where safety and compliance are critical? What's in it for you? •£55 per hour • Outside IR35 contract • 12 month contract • Hybrid working - based from Birmingham or home • Long-term, technically challenging industrial project • Opportunity to work across concept, design and commissioning phases What will you be doing? • Supporting process engineering activities across the full project lifecycle • Delivering front-end engineering studies and process design activities • Producing process calculations, mass balances and technical documentation • Supporting HAZOPs and other process safety reviews • Working closely with...
IR35 Status:
Outside IR35

CV-Library Birmingham, UK Contractor
CL
Jun 16, 2026  
Lead Electrical Design Engineer
Lead Electrical Design Engineer 12 month contract £65-£75 per hour Outside IR35 Reading - Hybrid This role sits within a specialist engineering team responsible for developing electrical designs from early feasibility through to construction and handover support. It's a key technical position with ownership of design delivery and coordination across multiple stakeholders. Essential requirements: Experience in electrical engineering design within power, utilities or infrastructure environments Ability to produce and review electrical design documentation and calculations Good understanding of UK electrical standards and utility interface requirements Experience working with project teams, contractors and engineers Comfortable supporting projects through design, construction and delivery stages Desirable: Experience within substations, power distribution or HV environments Background in energy, utilities or large-scale industrial projects Exposure to site support and...
IR35 Status:
Outside IR35

CV-Library Reading, Berkshire Contractor
CL
Jun 14, 2026  
Lead Electrical Engineer
An exciting opportunity has arisen for a Lead Electrical Engineer to take ownership of the electrical scope across multiple major water frameworks. This role will suit an experienced engineer capable of leading technical delivery, managing teams, and ensuring high-quality engineering outputs across all design and delivery stages. You will play a key role in driving engineering excellence, coordinating multi-disciplinary interfaces, and supporting project teams across a range of UK water infrastructure schemes. This is a long term contract, outside ir35.  Key Responsibilities Lead delivery of the electrical engineering scope across multiple projects Manage schedules, MDRs, change control, reporting, and technical coordination Delegate and oversee work packages within the electrical team Support estimating activities including CTR development Provide technical leadership across all deliverables, including: Basis of Design Power systems, earthing, lightning, load & cable...
IR35 Status:
Outside IR35

CV-Library Manchester, UK Contractor
CL
Jun 14, 2026  
MEICA Engineer
IR35: Outside Our Client has a requirement for a MEICA Project Engineer, who will be required to work on a contract basis in Warrington. Role Purpose: To support the delivery of MEICA works across the full project lifecycle from outline design through to commissioning and handover. The role will ensure safe, high-quality and compliant delivery of MEICA packages while working within multidisciplinary teams across a major water framework. The position involves a mix of office, remote and site-based working, supporting both design and construction phases. Job Role Responsibilities: Promote health, safety and wellbeing across all stages of design and delivery Manage MEICA packages including design, installation and coordination activities Support HAZOP, HAZCON and wider project delivery meetings as required Work with engineering teams to develop construction sequences, programmes and budgets Coordinate with design, pre-construction and delivery teams to resolve technical...
IR35 Status:
Outside IR35

CV-Library Warrington, UK Contractor
CL
Jun 13, 2026  
Senior Product Design Engineer
Role: Senior Product Design Engineer Location: London Contract Type: Contract / Freelance Duration: 6 months + Rate: £315 per day Status: Outside IR35 - Ltd co contract Shape Innovative Products from concept to reality. An exciting opportunity has arisen with a highly respected product innovation consultancy known for delivering cutting-edge solutions across healthcare, consumer, and industrial sectors. Working within a collaborative, multidisciplinary environment, you will play a pivotal role in transforming ideas into commercially successful, production-ready products. This is an ideal opportunity for an experienced Product Design Engineer who thrives on solving complex engineering challenges, balancing creativity with technical rigour, and leading projects from research through to manufacture. The Opportunity: As a Senior Product Design Engineer, you will work on a broad portfolio of technically challenging and highly innovative projects within consumer electronics,...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jun 13, 2026  
Contract RF Engineer
Contract RF Engineer | Outside IR35 Cambridge | 4 days on-site Our client is looking for a Contract RF Engineer to join their team to support the development and validation of next-generation wireless communication systems. This is a hands-on engineering role focused on discrete RF design across both transmit and receive paths, with a particular emphasis on frequency generation and VCO design. You’ll be working as part of a multidisciplinary product development team, contributing across the full lifecycle from circuit design and validation through to integration and debug within a complete end product environment. KEY TECHNICAL EXPERIENCE * Recent experience in discrete RF circuit design and validation * Strong knowledge of frequency generation and VCO design * Experience designing TX and RX circuits within the 400MHz – 900MHz range * Understanding of RF component selection, market availability, and obsolescence management * Experience working on integrated end products...
IR35 Status:
Outside IR35

CV-Library Cambridge, Cambridgeshire Contractor
CL
Jun 13, 2026  
Rail Electrification & Plant (E&P) Engineer
Rail Electrification & Plant (E&P) Engineer - Contract Manchester / North West (Hybrid Working Available) £275 - £300 Per Day - Outside IR35 Contract Role Job Ref: 40152 We are currently looking for a Rail Electrification & Plant (E&P) Engineer to join a growing Rail engineering team delivering a wide range of UK infrastructure and Rail projects. This is an excellent opportunity for an experienced E&P Engineer to secure a long-term contract role working on high-profile Rail schemes across the North West and wider UK network. The role offers flexible hybrid working alongside a strong pipeline of Rail enhancement, upgrade, and infrastructure projects. You will be joining an established multidisciplinary design team delivering Electrical and Power solutions across Rail environments. Projects include: Rail Electrification & Plant (E&P) systems Railway lineside power infrastructure Points Heating systems Signalling Power supplies Level Crossings LV...
IR35 Status:
Outside IR35

CV-Library Manchester, Greater Manchester Contractor
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