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Inside IR35 Contractor design engineer

93 design engineer jobs found

CL
Mar 04, 2026  
Mechanical Design Engineer (Military Packaging Design)
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...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Mar 04, 2026  
Mechanical Design Engineer
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...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Mar 04, 2026  
Mechanical Design Engineer
6 Month Contract (initially) Up to £50 per hour umbrella (Inside IR35) Circa 4 days per week on site (could be some flex on this week to week) Job Role: You will work closely with other functional teams, to develop products to meet our customer’s needs. Within this role you will have the opportunity to work as part of a multi-disciplinary team to perform a range of engineering activities including progressing developmental designs into production environments and working with suppliers on technical queries. Key Responsibilities: Carry out Mechanical Design and proving activities as part of a wider team for prime and variant products, of both piece parts and assemblies. Support/liaise with manufacturing, resolving manufacturing problems & defects. Support to functional & environmental testing and trials. Liaise with suppliers/purchasing to resolve any technical queries that may arise. Planning and reporting on own day-to-day activities to meet project milestones. Gain...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Mar 04, 2026  
Mechanical Design Engineer
6 Month Contract (initially) Up to £50 per hour umbrella (Inside IR35) Circa 4 days per week on site (could be some flex on this week to week) Job Role: You will work closely with other functional teams, to develop products to meet our customer’s needs. Within this role you will have the opportunity to work as part of a multi-disciplinary team to perform a range of engineering activities including progressing developmental designs into production environments and working with suppliers on technical queries. Key Responsibilities: Carry out Mechanical Design and proving activities as part of a wider team for prime and variant products, of both piece parts and assemblies. Support/liaise with manufacturing, resolving manufacturing problems & defects. Support to functional & environmental testing and trials. Liaise with suppliers/purchasing to resolve any technical queries that may arise. Planning and reporting on own day-to-day activities to meet project milestones. Gain...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Mar 04, 2026  
RF Design Engineer
Job Title Senior RF Electronics Design Engineer Location Onsite UK Contract Details 12 month contract £75 per hour Inside IR35 Overview A leading engineering organisation operating in the defence and advanced communications sector is seeking a Senior RF Electronics Design Engineer to take technical ownership of complex RF electronics designs. This role sits at the heart of a multi discipline development environment and requires someone who is genuinely hands on across design, test and verification. You will act as the design lead for specific RF electronics assemblies, working closely with system, software, mechanical and production teams to ensure successful integration and delivery. Key Responsibilities Technical ownership of assigned RF electronics designs from concept through to delivery. Hands on design, test, validation and proving of RF electronics hardware. Effective interface management with system stakeholders, design authorities and cross functional...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Mar 04, 2026  
Electronic Design Engineer
Sapien Engineering are looking for an Electronics Design Engineer to join a defence client on a contract basis. The client is based near Ebbsfleet, Kent. Flexible working options are available once you are fully up to speed with the project. This is an initial 6-month contract, inside IR35 paying circa £70 per hour. Job requirements: * Altium * Full lifecycle design * PCB layout * Circuit simulation * High speed electronic design * Previous experience within defence preferred Please note all applicants must be eligible for full, un-restricted UK SC clearance. For more information, please apply with an updated copy of your CV ASAP
IR35 Status:
Inside IR35

CV-Library Ebbsfleet, Kent Contractor
CL
Mar 04, 2026  
Principal Mechanical Design Engineer
Principal Mechanical Design Engineer JOB LOCATION: STEVENAGE OR BRISTOL SECURITY: SC - Potential BPSS start (UKEO) DURATION: 6+ Months (Extension Possible if Meeting Expectations) TYPE: Contract WORK PATTERN: 4 days a week on site; 1 remote (flexible over start/finish time). PAY RATE: £ 50 /hr (Umbrella Inside IR35) Essential QUALIFICATIONS Beneficial- HND or HNC in Mech Engineering TARGET INDUSTRIES AND COMPANIES. Is Defence a must? If not what industries can be considered * Preferable for Def/Aero; if hitting the skills on JD, open to others; automotive, oil & gas etc. Essential Skillset & Tools * Experience using Creo 3D design tool Essential- Knowledge of the following: * Manufacturing processes * Tolerance studies * Mass property calculations * Material selection * FMEA * Design for Manufacture/Assembly * Structural design * Product Lifecycles * Industrial validation * An ability to work as part of a multifunctional...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Mar 04, 2026  
Mechanical Design Engineer (Military Packaging Design)
Mechanical Design Engineer (Military Packaging Design) JOB LOCATION: STEVENAGE SECURITY: SC - Potential BPSS start DURATION: 12+ Months Likely to extend TYPE: Contract WORK PATTERN: Hybrid, 2-3 days min on site. Although this can change due to workload. Can be continually reviewed. PAY RATE: £ 50 /hr (Umbrella Inside IR35) Essential QUALIFICATIONS Beneficial- HND or HNC in Mech Engineering TARGET INDUSTRIES AND COMPANIES. Is Defence a must? If not what industries can be considered Can be open to industry experience as ling as they have the skillset. Def/Aero can be beneficial, but other areas such as: * Automotive Essential Skillset & Tools * Ideally Degree, HND, or HNC in Mechanical Engineering (or equivalent) with relevant industry experience * Robust hands-on experience with design methodologies such as DFMEA, DFA, and DFM * Strong communication skills with the ability to influence, negotiate, and make technical decisions * Experience engaging...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Mar 04, 2026  
CE&I Control System Design Engineer
Job Title - CE&I Control System Design Engineer Contract Model - Inside IR35 Duration - 6 Months Working Model - Hybrid (3 days in Warrington) Hourly Rate - £50p/hour  CE&I Control System Design Engineer Overview Be part of the design team, supporting the delivery and checking of Programmable Electronic System (PES) based control system designs and updates to meet functional and business needs. The CE&I Control System Design Engineer role will involve: Designing CE&I control systems for nuclear facilities Producing engineering documents such as drawings, specifications, and calculations Supporting projects from design through installation and commissioning Providing guidance to junior engineers The CE&I Control System Design Engineer will need to have the following attributes: Minimum HNC (or equivalent) in Electrical, Control & Instrumentation, or a related engineering discipline Minimum 3+ years experience with PES (Protection & Electrical...
IR35 Status:
Inside IR35

CV-Library Warrington, UK Contractor
CL
Mar 04, 2026  
RF Design Engineer
RF Design Engineer Initial 12-month contract up to £75ph, UMB, inside IR35 Stevenage (onsite) Please note this role requires SC level Security Clearance. The successful candidate will be the designer for specific RF electronics designs. Interfaces to various stakeholders, such as the Datalink core team, Design Authority and other functional entities will need to be managed effectively to ensure the designs are delivered in a timely manner and will integrate to the other parts of the system Responsibilities: The role is substantially technical and hand on testing and proving is essential. Collaborative working with other functions of MBDA, in particular Software & Firmware Engineering, Mechanical Engineering, Production and Future Systems. Skillset/experience required: Individuals will be able to demonstrate a significant number of the following attributes: * Proven relevant RF electronics design experience (likely to be the design of 3 or 4 complex RF electronic items...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Mar 01, 2026  
Senior Design Engineer
Contract Senior Design Engineer We are seeking a highly skilled Contract Senior Design Engineer to support Design in Catia V5 for long-term Aircraft CAD based new projects for the future. This is based on development of wing structure definition to structural sizing, interface and project requirements Toolsets. This is an initial 12 month Inside IR35 contract supporting our end client based in our offices in Bristol. Key Requirements CAD capability to support parametric model generation and update CAD capability to support 2d drawing generation for detail parts and installations Understanding of modelling methodologies and processes Ability to interpret stress sizing data and project requirements to support CAD design solutions Interface management between wing structural components and systems Microsoft office applications - excel, ppt etc. Experience of Catia V5 and Catia V6/3DX Preferred Experience RnT project experience Wing structure design solutions...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Mar 01, 2026  
Mechanical Design Engineer
We are seeking a skilled and motivated Mechanical Design Engineer to join our growing Nuclear team. The team supports a range of critical nuclear programmes, including the UK Submarine programme, the existing nuclear generation fleet, decommissioning projects, and the design of high-integrity structures for new nuclear facilities. This role offers the opportunity to work on high-profile nuclear projects within a collaborative, multidisciplinary engineering environment, taking ownership of technical deliverables from concept through to completion. Job Title: Mechanical Design Engineer Contract Length: Ongoing Start date: Project Dependant Location: Derby (Hybrid) Rate: £55 Per hour Inside IR35 (Can vary based on experience) Key Responsibilities Provide mechanical engineering support across a range of nuclear projects, including design, analysis, and substantiation activities. Take responsibility for technical packages from inception through to delivery, ensuring compliance with...
IR35 Status:
Inside IR35

CV-Library Derbyshire, UK Contractor
CL
Mar 01, 2026  
Structural Design Engineer
Are you a Structural Design Engineer with rail-based experience?   Have you got experience designing steel based buildings?   Role: Structural Steelwork Engineer Location: London Duration: 12 months (Ongoing) Rate: DOE (Inside IR35)   This role supports a large-scale UK infrastructure programme within a rail systems environment. The client is currently responsible for delivering work across complex rail systems and associated infrastructure, including assets such as bridges, viaducts and electrification-related structures.   The programme involves multi-disciplinary design integration, systems engineering activities and preparation for future testing and commissioning phases.   Role Overview   We are seeking a Structural Steelwork Engineer with experience in rail structures to support design and technical activities within a safety-critical rail environment. The role will work closely with systems, design and construction teams, providing structural engineering...
IR35 Status:
Inside IR35

CV-Library Central London, London WC2N 5DU, UK Contractor
CL
Feb 28, 2026  
Lead Electrical Design Engineer
On behalf of our client, we are seeking to recruit a Lead Electrical Design Engineer on an initial 10 - month contract. You will lead the development of a new control bench for an existing large hydromechanical installation focussed on landing gear extension/retraction and braking testing. Role: Lead Electrical Design Engineer Pay: £50 per hour Via Umbrella Location: Filton Contract: Monday - Friday 35 hours per week,10 months IR35 Status: Inside Security Clearance: BPSS Responsibilities Contribute to the development of the Architecture of the control bench. ? Lead and manage the electrical design of the control bench. Oversee the creation of detailed electrical schematics, drawings and technical specifications. Manage technical design risks and the main design milestones (FCR, FDR, PDR, CDR). Manage the build-up/assembly of the control bench. Lead the Validation & Verification phase. Complete the Entry into Service of the control bench. Communicate/interface with...
IR35 Status:
Inside IR35

CV-Library Filton, Gloucestershire Contractor
CL
Feb 27, 2026  
Electrical Installation Design Engineer
MERITUS are recruiting for an Electrical Installation Design Engineer to join our client in the aerospace sector on an initial 12 month contract from their site in Filton. ELECTRICAL INSTALLATION DESIGN ENGINEER - INSIDE IR35 - £43 PER HOUR - FILTON, UK - 12 MONTHS - SINGLE STAGE INTERVIEW PROCESS A leading aerospace organisation is seeking an experienced Electrical Installation Design Engineer to join its Wing Engineering team. The business is currently undergoing a major digital transformation, integrating production systems and supply chain operations into a unified digital environment, while continuing to support legacy aircraft programmes. This role will support ongoing electrical installation design activities across current programmes. Key Responsibilities Produce electrical installation design solutions and 2D drawings in line with relevant design standards and processes Analyse and validate design requirements, managing deviations with stakeholders where required...
IR35 Status:
Inside IR35

CV-Library Filton, Gloucestershire Contractor
CL
Feb 27, 2026  
Principal Process Design Engineer
Principal Wastewater Process Engineer Contract | Remote Working | £500-£600 per day (Inside IR35) An exciting opportunity for a Principal Wastewater Process Engineer to support a major capital delivery programme, working on high-value wastewater infrastructure projects with flexibility to work fully remote, while staying connected to a collaborative UK-based engineering team. You'll provide technical leadership across the full project lifecycle - from feasibility and design through to operational support - shaping innovative, sustainable solutions on multi-million-pound wastewater schemes. What you'll be doing Leading wastewater process design through feasibility, outline and detailed design Setting technical direction and supporting strategic decision-making Reviewing process models, PFDs, mass balances, P&IDs and supplier proposals Ensuring compliance with health & safety, environmental and technical standards Driving best-value, whole-life and low-carbon engineering...
IR35 Status:
Inside IR35

CV-Library South West England, UK Contractor
CL
Feb 27, 2026  
Electrical Installation Design Engineer
On behalf of our client, we are seeking to recruit an Electrical Installation Design Engineer on an initial 12-month contract. In this role, you will join an established Wing Engineering design team, supporting current and future electrical installation design activities. The organisation is undergoing a significant transformation, bringing together the full lifecycle of its production system and supply chain into a seamless digital environment, while continuing to meet the design needs of legacy products. As a result, we are looking for an experienced Electrical Systems Installation Design Engineer to strengthen the team and support ongoing programme requirements. Role: Electrical Installation Design Engineer Pay: £43 per hour Via Umbrella Location: Filton - 60% Contract: Monday - Friday 35 hours per week, 12 months IR35 Status: Inside Security Clearance: BPSS Responsibilities Create Electrical Design Solutions and 2D drawings in line with applicable design processes and...
IR35 Status:
Inside IR35

CV-Library Filton, Gloucestershire Contractor
CL
Feb 25, 2026  
Labview Test Design Engineer
Test Design Engineer Location: Glasgow, Cheadle, Crawley, Templecombe  Duration: 6 months Rate: £61.84 ph Umbrella Inside IR35 SC Clearance required We are looking for Labview Test Design Engineers who have experience in working with development project teams to develop and deliver test solutions. This can range from a simple test box through to complex fully automated solutions and will require involvement throughout the lifecycle of the solution from concept to completion. You will have an opportunity to influence product design requirements, develop equipment for both product verification and manufacturing phases, and introduce new technologies and ways of working. Each successful candidate will have demonstrable experience of Test Solution Engineering and will ideally have experience interfacing with external customers as well as internal stakeholders. The candidate should be able to demonstrate knowledge in some or all of the following key areas: Specifying,...
IR35 Status:
Inside IR35

CV-Library Glasgow, UK Contractor
CL
Feb 25, 2026  
CE&I Safety Systems Design Engineer
OLG Recruitment are currently looking for two CE&I Safety Systems Design Engineers for our client located in Warrington. You will be required to support a project within the silos CE&I Design Team, delivering and supporting and checking Safety System design packages to meet safety, functional and business needs. This is a contract position for a minimum of 18 months, this requirement has been assessed as inside IR35. Essential: Academic Qualification: Minimum - HNC Professional Qualification: Minimum - Incorporated Engineer Experience: Minimum 3 years successfully delivering as a CE&I Safety System Design Engineer on external multidiscipline projects, from concept design through to handover, with a working knowledge of the appropriate Engineering Standards Effective verbal and written communication skills and the ability to convey information to other team members/disciplines Providing support to the Commissioning Team Willingness to support early career...
IR35 Status:
Inside IR35

CV-Library Warrington, UK Contractor
CL
Feb 13, 2026  
Electronics Design Engineer
World Class Defence Organisation is currently looking to recruit a Electronics Design Engineer / Test Design Support Engineer subcontractor on an initial 6 month contract.   This role would suit a candidate who comes from an Electronics Design Engineer, Electronics Engineer, Production Support Engineer or Test Systems Designer background. Rate: £65.00 per hour Location: Bolton Hybrid / Remote working: 4-5 days a week onsite (possible for remote work occasionally). Compressed week of working Monday to Thursday is available. 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)      Interview Process: One stage Video Interview Test Design Support Engineer Job Description: The department have an excellent opportunity for experienced Electronic Design Engineers to play a leading role in the support of production...
IR35 Status:
Inside IR35

CV-Library Bolton, UK Contractor
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