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Outside IR35 design engineer

70 design engineer jobs found

CL
Jul 09, 2026  
Mechanical Design Engineer
Mechanical Designer/Cad Engineer - Contract Outside IR35 - Hourly Rate - Full time Office based - Engineering Consultancy - Staffordshire * Experience using and modelling 3D components on Solidworks 3D CAD (priority). * Preferable if that experience is modelling and design chemical process vessels / systems (pipework, instruments etc). Not a deal breaker if you do not have the specific equipment experience. * Ability to translate P&IDs and used to working with process design environments would also be preferable. * AutoCAD P&ID drawing experience would be ideal. If you'd be interested please call on (phone number removed)
IR35 Status:
Outside IR35

CV-Library Staffordshire, UK Contractor
CL
Jul 09, 2026  
FPGA Design Engineer - Contract
I am currently seeking an experienced FPGA Design Engineer - Contract for an exciting opportunity based in Edinburgh, Midlothian Outside IR35 & Hybrid then Remote This role offers the chance to work on highly advanced electronic systems within a collaborative engineering environment, supporting the development of cutting-edge technology. The Role You will be responsible for the design, development, verification, and integration of FPGA solutions, working across the full development lifecycle. The successful contractor will work closely with multidisciplinary engineering teams and contribute to both detailed design and architectural decisions. Essential Skills for the FPGA Design Engineer - Contract - Strong commercial experience in FPGA design and development - Proven VHDL design experience - Experience contributing to FPGA architecture and high-level design decisions - FPGA verification and simulation experience - Strong understanding of digital design principles - Ability...
IR35 Status:
Outside IR35

CV-Library Edinburgh, City of Edinburgh Contractor
CL
Jul 09, 2026  
Senior Electrical Design Engineer
Major London Building Services Design and Build Contractor are recruiting for an experienced Senior Electrical Design Engineer on a Contract Basis as a result of sustained increase in project workload. Interesting and varied Mix of Electrical Design work on Cat. A and B Commercial Fitout Projects, Residential and mixed use scheme design. Excellent Salary plus substantial additional benefits package and bonus system. Very good career potential. Office Based, London Central. You must live within easy travelling distance of Central London for this position. Rate negotiable. Experience of Electrical Design on London Projects, especially fitout and residential essential. Outside IR35 Potential if Ltd. Status
IR35 Status:
Outside IR35

CV-Library EC3A, Lime Street, Greater London Contractor
CL
Jul 08, 2026  
Senior Civil Design Engineer
Senior Civil Design Engineer – United Utilities AMP 8 Location: Manchester (Flexible Hybrid) Contract: Long-term - Outside IR35 Our client, a leading Tier 1 contractor, is seeking an experienced Senior Civil Design Engineer to join their team on a long-term contract basis, supporting delivery on the United Utilities AMP8 framework. This is an exciting opportunity to contribute to a major programme of investment in water and wastewater infrastructure, delivering critical projects across the North West. Key Responsibilities Lead the development of civil engineering designs from concept through to detailed design and construction support Produce cost-effective, sustainable, and buildable design solutions Coordinate design activities across multi-disciplinary engineering teams Ensure compliance with CDM regulations, relevant standards, and health & safety requirements Prepare and review design calculations, drawings, specifications, and technical reports Provide technical input...
IR35 Status:
Outside IR35

CV-Library Manchester, UK Contractor
CL
Jul 08, 2026  
Mechanical Design Engineer
Mechanical Design Engineer Location: Derbyshire Contract: Initial 3–6 Month Contract Rate: £45–£48 per hour (Outside IR35) Hours: 40 Hours per Week | Monday to Thursday Office Based | Friday Remote Start Date: ASAP The Role Are you an experienced Mechanical Design Engineer looking for your next contract opportunity? We are recruiting on behalf of a well-established engineering manufacturer based in Derby that designs and delivers bespoke, safety-critical equipment for some of the world's leading organisations across the power generation, energy, aerospace and oil & gas sectors. Working within the mechanical engineering team, you will take projects from initial customer requirements through concept development and detailed design to final Key Responsibilities Develop concept and detailed mechanical designs based on customer specifications. Carry out stress calculations and engineering analysis using Mathcad, NASTRAN and traditional calculation methods. Produce and...
IR35 Status:
Outside IR35

CV-Library Derby, UK Contractor
CL
Jul 08, 2026  
Freelance Mechanical Design Engineer - Outside IR35
Tank Recruitment is looking for an experienced Mechanical Engineer to support the design and development of special purpose machinery and automated production equipment. for a Midlands based client. The role will involve concept design, detailed design, and integration of mechanical systems within complex automated environments. Key Requirements: Strong proficiency in SolidWorks for 3D design and detailing. Experience designing special purpose machinery, automation equipment, and integrated systems. Knowledge of machine build, assembly, and manufacturing processes. Ability to work closely with controls, electrical, and manufacturing teams. Experience producing engineering drawings, BOMs, and technical documentation. Desirable: Previous experience in packaging, automotive, FMCG, or industrial automation sectors. Hands-on support during machine build, commissioning, and installation phases. This is an Outside IR35 role, for a 3-6 month period. If you are interested please...
IR35 Status:
Outside IR35

CV-Library Birmingham, West Midlands Contractor
CL
Jul 07, 2026  
HV Cable Design Engineer
I'm looking to connect with experienced HV Cable Design Engineers to support major HV substation EPC delivery in the UK. HV Cable Design Manager Outside IR35 UK (Glasgow / Hybrid / Site Visits) 12 month initial contract Key experience required: * Strong background in HV substation design and delivery * Experience in EPC / turnkey infrastructure environments * Leading multi-discipline engineering design teams (UK + offshore delivery models) * Delivery through detailed design into construction support * Strong understanding of construction interfaces, commissioning, and site delivery * Experience working with UK utility clients and technical approval processes * Ability to manage programme, cost, change, and reporting * Coordination of procurement, subcontractors, and equipment suppliers Key responsibilities: * Lead design delivery across major substation projects * Manage engineering teams and ensure design outputs meet programme and scope * Drive progress through...
IR35 Status:
Outside IR35

CV-Library Glasgow, UK Contractor
CL
Jul 05, 2026  
HV Electrical Design Engineer
6 month contract Outside IR35 Hybrid - North West Essential requirements: Experience in electrical engineering design within power, BESS or Solar projects Strong understanding of UK electrical standards and utility interface requirements Experience producing and reviewing technical design documentation and calculations Ability to support projects from early-stage design through to construction and handover Experience working with contractors, engineers and wider project teams Desirable: Experience within substations, power distribution or high voltage environments Background in energy, utilities or large-scale industrial projects Familiarity with electrical design tools and engineering software
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Jul 04, 2026  
System Design Engineer
Systems Design Engineer - SCADA Location: Ashby de la zouch, UK (Hybrid/Office & Site-Based) Outside IR35 Contract Duration: 12 Months About the Role We are seeking a skilled and motivated Systems Design Engineer with strong SCADA system engineering expertise to join our rail infrastructure team. This role will focus on requirements definition, system architecture, and interface design, supporting the delivery of complex and safety-critical rail systems. You will play a key role across the full engineering lifecycle, from requirements capture through to design, integration, and commissioning, ensuring robust and scalable solutions are delivered. Key Responsibilities Requirements Engineering Lead the elicitation, capture, and analysis of system-level requirements from stakeholders Develop high-quality, testable, and traceable requirements aligned with operational and regulatory needs Maintain requirements traceability throughout the system lifecycle Conduct and lead...
IR35 Status:
Outside IR35

CV-Library Ashby-De-La-Zouch, Leicestershire Contractor
CL
Jul 04, 2026  
Mechanical Design Engineer
Mechanical Design Engineer Remote role, can be based anywhere in the UK 12 Months, Outside IR35, Immediate start available Highly Competitive rate (Ltd / CIS) Are you a Mechanical Design Engineer with strong experience in piping systems, pump hydraulics, water industry process equipment or mechanical assemblies? Are you looking for a technical delivery role where you'll be producing high-quality mechanical design outputs under the guidance of an experienced Design Manager? We are recruiting for a Mechanical Design Engineer to support a major UK water-sector infrastructure programme based in Birmingham. This position is purely mechanical focusing on pumping systems, hydraulic design, pipework layouts, mechanical bracketry, skids, fabrications, and equipment integration. This is a 12-month contract, with strong potential to extend. The role suits someone who is hands-on with mechanical design documentation, who can produce accurate drawings, calculations and engineering...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Jul 02, 2026  
Electrical Design Engineer
Our client is a rapidly growing business designing some of the most innovative and interesting applications for the marine industry. If you are a meticulous individual with a passion for design and development, for a pre-production project then this could be perfect for you. Senior Electrical Design Engineer (contract) Outside IR35 Marine & defence applications 6 month contract Responsibilities: System Design and Integration: Collaborate with cross-functional teams, including mechanical, software, and systems engineers, to integrate electrical systems into the overall design. Design and layout electrical systems, encompassing power distribution, wiring harnesses, connectors, control modules, and charging systems. Ensure all electrical designs comply with industry standards and safety regulations. Prototyping and Testing: Work closely with testing teams to conduct functional, performance, and safety tests on electrical systems. Diagnose and resolve any issues that arise...
IR35 Status:
Outside IR35

CV-Library Fratton, Portsmouth, UK Contractor
CL
Jun 29, 2026  
Senior Electrical Design Engineer
Great opportunity to work with this leading international Consulting Engineers who are looking to bring on board a driven and experienced Senior Electrical Design Engineer, Outside IR35, to be an active part of a specialist design team consultancy to work on a variety of Hyper scale Data Centre projects. Key Responsibilities:- Create electrical design drawings and specs for Data Centre Projects. Ensure designs meet all standards and regulations. Support sustainable design and use of innovative tech Work closely with colleagues, clients, architects, and contractors.. Manage project deadlines, budgets, and deliverables. About you: You should hold Degree (or historic equivalent) in Electrical Engineering or related field.- Should have extensive experience in Mission Critical design and building services design, specifically on data centres.- Sound knowledge of British Standards and building regulations.- Strong communication skills.-. Your expert recruitment consultant is...
IR35 Status:
Outside IR35

CV-Library City of London, London Contractor
CL
Jun 28, 2026  
Senior HVAC Design Engineer
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...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jun 17, 2026  
Senior Electrical Design Engineer
Working with this busy engineering solutions provider who have a strong order book with schemes across the TFL estate - they are looking for an Electrical Design Engineer to join there multi-disciplinary design team Your role will involve: - Creating LV electrical designs for station work, including lighting and power systems. - Problem-solving to integrate new designs with legacy infrastructure. - Working closely with the wider design and CAD teams. The position is ideally suited for someone who: - Is an experienced practically minded electrical design engineer - Understands the practical challenges of electrical installation and buildability. - Can problem-solve on the spot when faced with non-standard site issues. You should have experience in RAIL/ LU (TFL) Standards Role is outside IR35 Your expert recruitment consultant is Trevor Parsons, call today on (phone number removed) or email (url removed) Eden Brown is committed to equality in the...
IR35 Status:
Outside IR35

CV-Library London, 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
May 24, 2026  
Marine Design Engineer
Marine Designer - Contract (6 Months) Surrey | £52 per hour | Outside IR35 | Hybrid (3 days office / 2 days remote) RHL Recruitment, working with a leading oil and gas EPC contractor, who are seeking two experienced Senior Marine Designers to join a high-profile offshore project, on an initial 6-month contract. This is an exciting opportunity to play a key role within a dynamic Marine Team, supporting the delivery of complex offshore design scopes while coordinating with multidisciplinary teams across global offices. The Role As a Marine Designer, you will: Support and lead within the Marine Team, working on a Saudi Aramco project. Liaise closely with other engineering disciplines, clients, and vendors Coordinate with global project teams to deliver work within agreed timelines and budgets Provide technical guidance and mentor Junior designers Manage and oversee remote design teams Develop project-specific job notes, guides, and training materials to ensure consistent...
IR35 Status:
Outside IR35

CV-Library Surrey, UK Contractor
CL
May 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
Jul 09, 2026  
Project Design Engineers
Project Design Engineer (Water Industry) Contract | Outside IR35 |Remote The company is a specialist engineering consultancy providing innovative solutions across the UK water sector. They deliver integrated hydraulic modelling, MEICA and civil engineering design services for water and wastewater infrastructure projects. Their senior-led team supports Tier 1 and Tier 2 contractors with practical, buildable and value-engineered solutions. The Opportunity Due to continued growth, they are seeking experienced Project Design Engineers, Mechanical Project Designers, Electrical Project Designers and Civil Project Designers to support the delivery of water and wastewater projects across the UK. These are opportunities operating outside IR35, suitable for professionals who can lead multidisciplinary design packages from concept through detailed design. Key Responsibilities Lead the development and coordination of multidisciplinary design solutions. Manage project design...
IR35 Status:
Outside IR35

CV-Library Sutton Coldfield, West Midlands Contractor
CL
Jul 02, 2026  
Senior Civil Engineer (Part time)
Drainage Design Engineer (Contract) 📍 London Consultancy | Fully Remote Available 💰 £40 - £47 per hour 🏠 Outside IR35 ⏱️ 20-30 Hours Per Week 📅 2-Year Contract An established engineering consultancy is seeking an experienced Drainage Design Engineer to support the delivery of residential, commercial and hotel developments across the UK. The Role Surface water and foul water drainage design Drainage calculations and technical reports SuDS design and drainage strategies Use of Causeway Flow Planning and detailed design stages Requirements Strong drainage design experience Proficient with Causeway Flow Experience on residential, commercial or hotel projects Able to work independently ✅ Outside IR35 ✅ Fully Remote Working Available ✅ Long-Term Contract ✅ Immediate Start Available Interested? Get in touch for further details
IR35 Status:
Outside IR35

CV-Library Remote Contractor
CL
Jun 28, 2026  
Contract Senior Structural Engineer
Contract Senior Structural Design Engineer Central London Start ASAP Outside IR35 c£47-49 p/h Ltd   Contract Senior Structural Engineer   A leading architecturally led Structural Engineering consultancy in Central London is currently looking for hire a Contract Senior Structural Engineer to ideally start early July ’26.   Due to a number of significant wins our client is looking find a Senior Structural Engineer with a minim of 8-10 years design experience.  The successful candidates will be able to design proficiently in all main materials with first class ability to design in steel and RC.   Our client is currently working on a £100m + signature London structure which they need some additional design input and assistance on.   Hybrid working can be offered.  An hourly rate of c £47-49 p/h can be offered with an Outside IR35 capacity.    Our client can offer a minimum 3 month contract assignment, however with current work load this is likely to be extended.   For more information...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
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