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Contractor 37
Outside IR35 mechanical design engineer

37 mechanical design engineer jobs found

CL
Apr 16, 2026  
Senior Mechanical Design Engineer
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
IR35 Status:
Outside IR35

CV-Library Cheltenham, Gloucestershire Contractor
CL
Apr 16, 2026  
Package Project Engineer
Job Title: Junior Package Engineer (Oil & Gas) Location: London (Hybrid – minimum 2 days per week in office) Contract Type: Contract (Outside IR35) Start Date: Immediate Position Summary A fantastic opportunity is available for a Junior Package Engineer to support offshore oil and gas projects, including FPSO and topside developments. This role is ideal for someone early in their career who is looking to build hands-on experience across package engineering, vendor coordination, and project delivery. You will work closely with experienced engineers and project managers, gaining exposure across the full project lifecycle from design support through to procurement, inspection, and commissioning. Key Responsibilities Project and Package Support Review vendor documentation and ensure alignment with project requirements Assist with equipment expediting to support delivery schedules Provide general project and administrative support across engineering packages Prepare and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 16, 2026  
Embedded Software Engineer
A company that specialise in electro-mechanical systems for electric vehicles is seeking to recruit an Embedded Software Engineer to work on a contract that is initially scheduled for 6 months (outside IR35) from their site in Surrey (4 days per week onsite, 1 day from home). The Role This position will involve embedded C related software Engineering for low level driver development. Key Responsibilities * Implement, test and review software source code in C * Implement, test and review auto-coded software * Software architecture and unit design in an AUTOSAR environment Experience Ideal candidates will have experience of embedded C related to software that interfaces with hardware. Any experience of Infineon Aurix microcontrollers would also be of benefit. Apply For more information on this vacancy please email your CV
IR35 Status:
Outside IR35

CV-Library Surrey, UK Contractor
CL
Apr 16, 2026  
Contract Commissioning Engineer
We have an exciting, long-term opportunity for an experienced Contract Commissioning Engineer to join our customer based in Yorkshire. This role offers an OUTSIDE IR35 determination, meaning we can accept candidates who would like to operate through their own PSC. Our customer is a well-respected provider of technical machinery, designed and developed in the UK and sold globally. They serve various industries, including FMCG, chemical, and automation. Due to a prestigious project win, they are looking for skilled contractors to support their project teams. As a Commissioning Engineer, you will play a crucial role in supporting the implementation of mechanical and instrumentation equipment, ensuring installations are completed to the highest standards and in compliance with project specifications. Key Responsibilities- Contract Commissioning Engineer - Yorkshire -Oversee and execute both dry and wet commissioning activities. -Collaborate with a team to ensure mechanical and...
IR35 Status:
Outside IR35

CV-Library North Yorkshire, UK Contractor
CL
Apr 16, 2026  
Senior Electrical Design Engineer
An excellent opportunity has arisen for an experienced Electrical Design Engineer to join a well-established building services consultancy in London on an contract basis outside IR35. This hybrid role will involve working as part of a multidisciplinary building services engineering team, supporting the delivery of electrical design solutions across a range of building projects. The successful Electrical Design Engineer will contribute to the development of electrical building services designs, technical documentation and coordinated BIM models. This role is based in the London office with hybrid working available, offering the chance to work on high-quality building services projects alongside experienced engineers and consultants. Key Responsibilities · As an Electrical Design Engineer, your responsibilities will include: · Producing electrical building services designs for a variety of building projects · Developing electrical schematics, layouts and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 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
Jan 21, 2026  
Senior HVAC Design Engineer
We are working with this leading multi national data centre and mission critical specialist who are working on schemes across UK and europe. With data centres being crucial components of today's infrastructure, supporting everything from business to public services. Operators must ensure the longevity, efficiency, and sustainability of their sites while optimizing them for mission-critical tasks. The teams are at the forefront of designing innovative and energy-efficient data centres, ensuring that our clients meet their goals of performance, cost-efficiency, and sustainability. 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 part of an interdisciplinary team of architects, advisors &...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 17, 2026  
Chassis Project Engineer
Overview We are seeking an experienced Chassis Project Engineer to support the development of a low-volume, niche high-performance sportscar programme. This role focuses on steering and braking systems integration within a specialist automotive environment. It is a hands-on engineering and delivery role rather than a pure CAD design position, ideal for someone who enjoys taking responsibility for subsystem development, validation, and production readiness. The programme utilises a number of carry-over components, so the emphasis will be on engineering integration, Design for Manufacture (DFM), validation, and ensuring systems perform as intended within a new vehicle application. Key Responsibilities Lead chassis engineering activities related to steering systems and braking systems, with some involvement in suspension interfaces. Manage and deliver integration of steering column and brake reservoir systems into the vehicle architecture. Apply Design for Manufacture (DFM)...
IR35 Status:
Outside IR35

CV-Library Surrey, UK Contractor
CL
Apr 16, 2026  
Safety Assurance Engineer - ETCS
Matchtech are working with a key client in Derby to support the recruitment of x2 Safety Assurance engineers to work on ETCS projects. These roles are 6 month initial contracts (with potential to extend) offering hybrid working and operating outside IR35. Role Definition This exciting role offers an opportunity to provide technical leadership and innovation within compliance in the context of an ETCS on-board retrofit project. Working as part of a close-knit team, the Safety Assurance Engineer shall be the referent on safety and assurance for the UK specific application of a ETCS On-Board retrofit project. The Safety Assurance Engineer will report to the Safety Assurance Manager. Key Accountabilities Produce and manage safety documentation Safety Management Plan System Definition Project Hazard Record GASC SASC IHA FMECA Support approval process, to obtain APIS for each train class Work directly with the Safety Assurance Manager, the assessors (AsBo, ISA), the Design &...
IR35 Status:
Outside IR35

CV-Library Derby, Derbyshire Contractor
CL
Apr 16, 2026  
Highway Design Engineer - Outside IR35
Our client is currently seeking experienced Highway Design Engineers to join their team on a contract basis. Working within the Highways team, you will be supporting the Capital Highways Improvements Programme in Bournemouth, with a particular focus on Safer Routes to School, the Bus Service Improvement Plan, and the Active Travel Fund. Key Responsibilities: Designing and implementing highway improvement projects Supporting the Capital Highways Improvements Programme Contributing to projects such as Safer Routes to School, Bus Service Improvement Plan, and Active Travel Fund Collaborating with the project team to ensure project objectives are met Preparing design documentation and technical reports Conducting site visits and assessments as required Ensuring all designs comply with relevant standards and legislation Utilising own vehicle for business travel when necessary Job Requirements: Experience in highway design engineering Understanding of capital highway improvements...
IR35 Status:
Outside IR35

CV-Library Bournemouth, Dorset Contractor
CL
Apr 16, 2026  
Project Manager
Role – Project Manager Location – UK Mint Selection are partnering with a leading organisation within the energy sector to recruit an experienced Project Manager to join them on a 12-month renewable contract. Scope of Work * Take full responsibility for the delivery of a Battery Energy Storage System (BESS) project, overseeing all civil, mechanical, and electrical packages from mobilisation through to commissioning and handover. * Lead and coordinate multidisciplinary teams, including Site Managers, Supervisors, engineers, and subcontractors across all workstreams. * Manage project programme, ensuring works are delivered safely, on time, within budget, and in accordance with technical specifications and contractual requirements. * Oversee all site activities including earthworks, foundations, drainage, access roads, BESS unit installation, cabling, substations, and grid connection works. * Ensure full compliance with Health, Safety, Environmental, and Quality (HSEQ)...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 16, 2026  
Senior Engineer
My client are looking for a UK-based remote Senior API Product Engineer - Outside IR35 - 5 months initially (good chance of extension) - Remote Overview You build and own APIs as products. You focus on outcomes, not tickets. You work hands-on across the full API lifecycle. You follow platform standards while contributing to shared tooling and patterns. This role suits someone who blends strong engineering with product ownership. What you will do Design and build APIs Design APIs aligned to agreed standards, including naming, versioning and security, work with domain data models, build REST and event-driven APIs, keep consistency across platform patterns Use and improve platform tooling Use shared CI/CD pipelines, templates and reference architectures * Follow established patterns * Improve and contribute reusable API assets Own the full API lifecycle * Design, build, test, deploy and operate APIs * Manage versioning strategy * Maintain backward...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Apr 16, 2026  
Project Quality Lead
Quality Lead / Quality Co-Ordinator / QC QA quality engineer Outside IR35 | £300–£600 per day | 12 months + extension A leading UK engineering organisation delivering complex, high-profile projects within the energy and industrial sectors is seeking an experienced Quality Coordinator on a contract basis to support a major long-term oil and gas programme. With a reputation for technical excellence, robust engineering standards and strong customer delivery, this is an excellent opportunity to join a stable organisation overseeing quality across a multi-year project. Key Responsibilities Lead all QA/QC activity across the project, ensuring full compliance with customer and industry requirements Act as the main point of contact for customer quality matters, managing communication and technical interface Oversee audits, inspections, documentation reviews and quality reporting Coordinate quality activity with internal teams including Projects, Design, Manufacturing and SHEQ Support the...
IR35 Status:
Outside IR35

CV-Library Stockport, UK Contractor
CL
Apr 16, 2026  
Data Architect - Palantir Foundry - Contract
Morela is supporting a leading data consultancy on a nationally significant data programme, and we're looking for a hands-on Data Architect to take genuine ownership of the platform architecture, not just lead from a distance, but design and build alongside the team. You'll be responsible for ontology design, data pipeline architecture, and data modelling from scratch, while guiding a team of engineers through implementation and acting as the technical authority with key stakeholders. What you must bring: Deep, hands-on Data Architecture experience, you’ve designed and built complex data platforms yourself, not just directed others. Proven ability to design ontologies from the ground up within large or complex environments. Strong data modelling skills across conceptual, logical, and physical layers. End-to-end data pipeline architecture experience, including ingestion, transformation, governance, and optimisation. The confidence to operate as the technical authority, make...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 15, 2026  
Senior DCS Engineer
Are you a Senior DCS Engineer looking for your next contract opportunity? If so, please read on... Senior DCS Engineer Aberdeenshire £50-55 per hour (Outside IR35) 12-month initial contract Key Responsibilities: Lead the design, development, and commissioning of automation systems based on ABB 800xA and AC800M. Manage and deliver full project lifecycle activities, including concept design, software configuration, FAT, SAT, and offshore installation. Collaborate with project teams and clients to ensure technical requirements and deadlines are met. Support offshore commissioning and maintenance activities as required. Essential Skills & Qualifications: Proven experience programming and configuring ABB 800xA and AC800M systems. Strong background in automation and control engineering with full project lifecycle involvement. Offshore Survival Certificate (BOSIET or equivalent). Strong documentation and communication skills. Experience with ABB MOD 300 DCS...
IR35 Status:
Outside IR35

CV-Library Aberdeenshire, UK Contractor
CL
Apr 15, 2026  
Electrical Project Engineer
Are you an Electrical Project Engineer looking for your next contract opportunity? If so, please read on... Electrical Project Engineer Preston - Hybrid work model £45-£50 per hour outside IR35 6 month contract The role: Electrical project delivery across water treatment and infrastructure schemes Coordination of design, installation, testing, and commissioning activities Liaison with contractors, suppliers, and client teams Ensuring works meet technical, safety, and regulatory standards Requirements: Proven experience as an Electrical Project Engineer in the Water industry Background in water or wastewater treatment projects Strong understanding of electrical systems, control panels, and site delivery Comfortable working on contract assignments If this role is of interest please get in touch with Alex Hooton at JAM Recruitment
IR35 Status:
Outside IR35

CV-Library Preston, Lancashire Contractor
CL
Apr 15, 2026  
Electrical Design Engineer
Are you an Electrical design Engineer with Water experience looking for your next contract role? If so, please read on... Electrical Design Engineer Leeds £40-£45 per hour Outside IR35 6 Month initial Essential Skillset: - Proven experience producing detailed design drawings and technical specifications for electrical systems, using AutoCAD, Revit, and other design software - Experience within the Water industry - Strong experience of relevant electrical standards, regulations, and codes of practice - Familiarity with electrical load calculations, fault analysis, and lighting design If this role is of interest to you, please get in touch with Alex Hooton at JAM Recruitment as soon as possible
IR35 Status:
Outside IR35

CV-Library Leeds, West Yorkshire Contractor
CL
Apr 12, 2026  
Principal Structural Engineer
Principal Structural Engineer Location: Manchester (Hybrid working, 3 to 4 days a week onsite) Contract: 12 month contract Rate: £400 to £490 per day (outside IR35) We are currently recruiting for a Principal Structural Engineer to join a growing engineering consultancy delivering major infrastructure projects across the rail and water sectors. This is an excellent opportunity to work on technically challenging projects while leading structural design delivery within an experienced multidisciplinary team. The Role As a Principal Structural Engineer, you will be responsible for providing technical leadership and ensuring high-quality structural design delivery across a range of infrastructure projects. You will work closely with clients, project teams, and junior engineers to develop safe, efficient, and compliant structural solutions. Key responsibilities include: Ensuring the design team produces deliverables that meet safety and quality requirements Approving design...
IR35 Status:
Outside IR35

CV-Library Stretford, Greater Manchester Contractor
CL
Apr 12, 2026  
Data Platform Consultant (SC Cleared)
Data Platform Consultant (SC Cleared) Corsham (Wiltshire) 6 Month Contract £450/day (Outside IR35) Data Platform Consultant needed with active SC Security Clearance and strong Power BI, Tableau + AWS Cloud experience. 6 Month Rolling Contract based in Corsham (Wiltshire). Start ASAP in March/April 2026. Hybrid Working - 3 days/week remote (WFH) + 2 days/week working from the office in Corsham (Wiltshire). A chance to work with a leading global IT + Digital transformation business specialising in large-scale Government projects: Project Objective: design, build + implementation of a cloud based Data Analytics platform to provide data workflow, data visualisation + dashboard solutions. Key Skills: Tableau, Power BI + Apache Superset dashboard + data visualisation tools. AWS Cloud Infrastructure environments including: AWS Glue, S3 Buckets, Athena + Serverless data pipelines. Python and R-style workflow development environments. SQL querying + data transformation...
IR35 Status:
Outside IR35

CV-Library Corsham, UK Contractor
CL
Apr 12, 2026  
Senior Machine Learning Engineer
Senior Machine Learning Engineer 6 month contract Based in Bristol Offering circa £75ph Outside IR35 Do you have experience designing, building, and optimising ML models? Do you have experience in Python and ML frameworks? 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 Senior Machine Learning 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. Do you the nature of the work you will be invoved in, you will be required to go through MOD SC clearance. You will be involved in: Design, build, and optimise machine learning models, including NLP, computer vision, and predictive analytics Own the ML lifecycle from data preparation through training, evaluation, and...
IR35 Status:
Outside IR35

CV-Library Bristol, UK Contractor
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