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Contractor 34
Engineering Inside IR35 senior engineer

34 senior engineer jobs found

CL
Apr 04, 2026  
Senior EUC IT Support Engineer
Senior EUC IT Support Engineer 6 Months Contract Initially Bicester, Oxfordshire - 5 days a week on-site 9AM - 5.30PM Mon-Fri £(Apply online only) per day - INSIDE IR35 via umbrella company You will deliver end-user and device support across laptops, mobile devices, Microsoft 365 services, and meeting room technology, acting as a trusted point of contact for day-to-day IT issues. It involves close collaboration with a small, friendly IT team, working to resolve incidents, manage devices, and maintain a high standard of user experience. This position requires technical troubleshooting skills combined with excellent communication and customer service, as much of the work is face-to-face user support in an office environment. Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited ("ARM"). ARM is a specialist talent acquisition and management consultancy. We...
IR35 Status:
Inside IR35

CV-Library Bicester, Oxfordshire Contractor
CL
Apr 04, 2026  
Senior Product Engineer
Senior Product Engineer Belcan seeks an experienced Senior Product Engineer for a 12-month Inside IR35 contract in Pitstone. The role involves leading engineering work packages for the development, validation, and industrialisation of smart motor and power generation technologies. Key Responsibilities Lead and mentor multidisciplinary engineering teams to deliver robust, manufacturable solutions aligned with cost and weight targets. Oversee and approve design solutions; support design reviews per client governance and product introduction processes. Produce high-quality technical documentation, including CAD models, drawings, BOMs, and assurance reports. Drive risk management and continuous improvement through design investigations, root cause analysis, and lessons learned. Author, review, and approve technical documentation for engineering and through-life support. Provide training, mentoring, and leadership to engineering personnel. Deliver fit-for-purpose designs with a...
IR35 Status:
Inside IR35

CV-Library Tring, Hertfordshire Contractor
CL
Apr 04, 2026  
Senior EC & I Engineer -Nuclear
Senior CE&I Engineer - Sellafield Projects Contract | £51-£56/hour (Inside IR35) Warrington | Hybrid - 3 days on site / 2 days remote Are you a Senior Control, Electrical & Instrumentation Engineer looking to apply your expertise within one of the UK's most complex nuclear environments? We are seeking a Senior CE&I Engineer to support a range of engineering and decommissioning projects across the Sellafield programme, delivering robust CE&I design and safety documentation within a highly regulated setting. This role offers the opportunity to contribute to nationally significant nuclear decommissioning work, supporting the delivery of safety-critical systems that underpin long-term hazard reduction at Sellafield. Key Responsibilities Deliver CE&I design work packages across a variety of nuclear engineering and decommissioning projects Produce and check design substantiation, safety documentation, and technical deliverables Provide expert CE&I input...
IR35 Status:
Inside IR35

CV-Library Warrington, Cheshire Contractor
CL
Apr 02, 2026  
Senior Electrical Design Engineer
Senior Electrical Design Engineer x 4 Inside IR35 £47.12 per hour 2-3 days per week on site (Lancashire) Job description * As a Senior Electrical Design Engineer you will be part of a team producing the physical product definition to satisfy a set of multidisciplinary system functional requirements, taking account of safety, cost, manufacturing, in-service support and other considerations. Your engineering capabilities will be developed across a range of design skills and product lifecycle stages, working both in a model-based and 2D drawing engineering environment centred on Catia V5. * Typically your design capabilities will be developed using: * The CATIA V5 Electrical 3D & 2D Design Toolset in the design installation of electrical equipment, routing of electrical harnesses, incorporating support structure and physical separation requirements, taking account of system performance, system safety, system redundancy as well as cost and through-life considerations. * A...
IR35 Status:
Inside IR35

CV-Library Manchester, Greater Manchester Contractor
CL
Apr 02, 2026  
Senior HVAC Mechanical Engineer
12 Month Contract £40.64 per hour umbrella (Inside IR35) Hybrid Working – 1 – 2 days per week on site Job Role: The Senior HVAC Engineer will lead the design, integration, and technical assurance of numerous HVAC 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 HVAC and marine/building services systems experience is essential to ensuring system reliability and capability across the platform. Key Responsibilities: Preparing specifications and developing HVAC system designs in accordance with project requirements, technical standards, and quality expectations. This includes Heat Load Calculations, Psychrometrics, Pressure Drop...
IR35 Status:
Inside IR35

CV-Library Glasgow, UK Contractor
CL
Apr 04, 2026  
Mechanical Design Engineer
Mechanical Design Engineer - Contract (12 Months) | Bedfordshire | Inside IR35 Looking to take on complex engineering challenges that genuinely push your technical capability? We're seeking experienced Mechanical Design Engineers to join a high integrity defence engineering programme focused on advanced platform integration and mission-critical systems. This is an opportunity to work on cutting-edge mechanical sub-systems, complex mechanisms, and high reliability components designed for demanding military environments. Location Ampthill, Bedfordshire On-site presence required Mondays and Tuesdays from September 2025 Contract Details Duration: 12 months Hours: 37.5 per week Schedule: 4-day week (Mon-Thurs) with flexible working Rate: Competitive per hour (inside IR35, inclusive of employer deductions) Clearance: BPSS to start; SC required later Eligibility: Sole UK nationals only (due to programme requirements) Role Overview As a Mechanical Design Engineer, you'll be...
IR35 Status:
Inside IR35

CV-Library Ampthill, Bedfordshire Contractor
CL
Apr 04, 2026  
Mechanical Design Engineer
Mechanical Design Engineer - Contract (12 Months) | Bedfordshire | Inside IR35 Looking to take on complex engineering challenges that genuinely push your technical capability? We're seeking experienced Mechanical Design Engineers to join a high integrity defence engineering programme focused on advanced platform integration and mission-critical systems. This is an opportunity to work on cutting-edge mechanical sub-systems, complex mechanisms, and high reliability components designed for demanding military environments. Location Ampthill, Bedfordshire On-site presence required Mondays and Tuesdays from September 2025 Contract Details Duration: 12 months Hours: 37.5 per week Schedule: 4-day week (Mon-Thurs) with flexible working Rate: Competitive per hour (inside IR35, inclusive of employer deductions) Clearance: BPSS to start; SC required later Eligibility: Sole UK nationals only (due to programme requirements) Role Overview As a Mechanical Design Engineer, you'll be...
IR35 Status:
Inside IR35

CV-Library Ampthill, Bedfordshire Contractor
CL
Apr 04, 2026  
Mechanical Design Engineer
Mechanical Design Engineer - Contract (12 Months) | Bedfordshire | Inside IR35 Looking to take on complex engineering challenges that genuinely push your technical capability? We're seeking experienced Mechanical Design Engineers to join a high integrity defence engineering programme focused on advanced platform integration and mission-critical systems. This is an opportunity to work on cutting-edge mechanical sub-systems, complex mechanisms, and high reliability components designed for demanding military environments. Location Ampthill, Bedfordshire On-site presence required Mondays and Tuesdays from September 2025 Contract Details Duration: 12 months Hours: 37.5 per week Schedule: 4-day week (Mon-Thurs) with flexible working Rate: Competitive per hour (inside IR35, inclusive of employer deductions) Clearance: BPSS to start; SC required later Eligibility: Sole UK nationals only (due to programme requirements) Role Overview As a Mechanical Design Engineer, you'll be...
IR35 Status:
Inside IR35

CV-Library Ampthill, Bedfordshire Contractor
CL
Mar 19, 2026  
Site Engineer
An inside IR35 contract role is available for a Setting out Site Engineer to support the delivery of a major £300 million reinforced concrete package on a cutting-edge carbon capture facility in Teesside. The position involves providing engineering expertise across several key structures, including the turbine hall, condenser plant, and carbon capture unit. Reporting to the Section Engineers, your key responsibilities will be to -   Work safely and in line with approved systems, raising any concerns around safety, environment, or quality. Proactively challenge unsafe practices and carry out safety observations when needed. Perform accurate setting out for complex concrete structures, earthworks, roads, and utilities. Support the Senior Engineers/Section Engineers with material take-offs, stock control, and order scheduling. Prepare Inspection and Test Plans (ITPs), ensure they’re followed, and brief relevant team members. Liaise with the materials team to monitor...
IR35 Status:
Inside IR35

CV-Library United Kingdom Contractor
CL
Apr 04, 2026  
Package Manager
Package Manager (Agent) - Lower Thames Crossing Project Start Date: March (ASAP) End Date: 30 September 2026 Day Rate: Umbrella) Location: Lower Thames Crossing - Chafford Hundred office with regular site travel IR35 Status: Inside IR35 Hours: 42.5 hours per week Headcount: 2 positions available Role Overview A Package Manager (Agent) is required to support the delivery of engineering survey packages on a major UK infrastructure programme at the Lower Thames Crossing. The role will focus on managing and coordinating key survey activities, ensuring they are delivered safely, on programme, and within budget. The surveys include: Topographical Surveys Ground Investigation Utility Trial Trenches Weathering Steel surveys Initially, the successful candidate will support the Project Manager and Engineering Director in finalising the scope, procurement strategy, and programme for all survey packages. Key Responsibilities Health, Safety & Wellbeing Maintain a safe...
IR35 Status:
Inside IR35

CV-Library Essex, UK Contractor
CL
Mar 28, 2026  
Automotive Suspension Engineer
We have a contract opportunity working for Luxury Automotive OEM based in Gaydon, Warks Please review details below Job title: Suspension Engineer (C) Location: Gaydon Duration: 12 months Hourly rate: £27.21 p/h INSIDE IR35 (Via Umbrella Solutions) Duties: Apply engineering theories and principles to perform complex work in research and development of suspension engineering systems, including the design, characterization, and iterative refinement of suspension devices. Work with powertrain engineering to develop industrialized products. Level: A Senior Professional (P3) applies advanced knowledge of job area typically obtained through advanced education and work experience. Responsibilities typically include: * Managing projects / processes, working independently with limited supervision. * Coaching and reviewing the work of lower-level professionals. * Problems faced are difficult and sometimes complex. If you want to know more about this exciting contract...
IR35 Status:
Inside IR35

CV-Library Gaydon, Warwickshire Contractor
CL
Jan 17, 2026  
Supplier Quality Engineer
World Class Defence Organisation based in Stevenage and Bolton is currently looking to recruit 4x Supplier Quality Engineers.   A strong background of Supplier Quality Engineering / Auditing is required.  Defence, Aerospace or Automotive industries would be great.   Rate: £45.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage or Bolton – depending on your preference   Hybrid / Remote working: The role will likely be 1-2 days per week onsite and the rest working remote Duration: 6 or 12 Months initially with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Supplier Quality Engineers Job Description:   An exciting opportunity has arisen for a Supplier Quality auditor to join the Supplier Quality Assurance team, supporting assurance of Mechanical & Electro-Mechanical suppliers   This...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Mar 31, 2026  
Lead Engineering Manager
Job Title: Lead Engineering Manager - Civils & Stations Location: UK Wide (with significant travel required) Contract Type: Contract (Inside IR35, via Umbrella only) Duration: Ongoing long-term project We're seeking a highly experienced Senior Engineering Manager to oversee a team of NEC3 Supervisors working on a major UK infrastructure programme across Civils and Stations. This is a leadership-focused role requiring someone who can provide technical direction, ensure delivery excellence, and champion quality across multiple workstreams. Key Responsibilities Lead and manage a team of NEC3 Supervisors, ensuring consistent application of standards and procedures. Oversee competency, reporting, and performance KPIs across the supervisory function. Promote best practice in engineering supervision and drive continuous improvement. Attend and contribute to the Quality Leadership Forum, sharing insight and lessons learned. Manage implementation of disallowed cost processes for...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Mar 25, 2026  
Senior Electronics Engineering Project Manager
World Class Defence Organisation is currently looking to recruit 2x Senior Electronics Engineering Project Manager subcontractors on an initial 12 month contract.  The role will be a hybrid of working from home and being onsite 2 days per week (flexibility on this).    Please Note – this role requires a very strong Electronics background or a background of working on electronic focused/biased projects.  The position will be managing detailed design of electronics product / engineering development   Job Title: Senior Electronics Engineering Project Manager Number of positions: 2 Rate: £60.00 per hour Location: Stevenage, Bolton or Bristol – depending on your preference Hybrid / Remote working: 2 days per week onsite (flexibility on this) Contract: 37 Hours per week Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella)   Senior Electronics Engineering Project Manager Job Description: We are Electronics Engineering. We are...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Apr 04, 2026  
Applications Engineer
Applications Engineer - HV Substations - Stafford - £70-£75 per hour (Umbrella) - 12-Month Contract - Inside IR35   An opportunity is available for an Applications Engineer to support the preparation of tenders, bids and technical proposals for electrical substation projects. The role focuses on developing technical solutions for HV substation systems and preparing high-quality documentation to support competitive bid submissions.   You will work closely with both engineering and commercial teams during the tendering process, helping define technical scope, equipment specifications and overall system solutions.   Key responsibilities include: Preparing tenders, bids and technical proposals for HV substation projects Developing technical solutions and defining equipment specifications Producing technical documentation to support bid submissions Working collaboratively with commercial and engineering teams during tender stages Supporting the development of competitive...
IR35 Status:
Inside IR35

CV-Library Stafford, UK Contractor
CL
Apr 04, 2026  
Autodesk Revit Designer (CS&A)
Senior Revit Designer - Civil, Structural & Architectural (CS&A) Contract | £36-£41/hour (Inside IR35) Warrington | Hybrid - 3 days per week in the office Security: SC Clearance (BPSS to start) We are seeking an experienced Autodesk Revit Designer to support engineering design delivery within a highly regulated environment. This role will focus on the development and modification of Civil, Structural & Architectural (CS&A) and mechanical piping elements within a Revit model, supporting asset care and infrastructure upgrades. Working within a multi-disciplinary engineering team, you will contribute to the production of design deliverables including drawings, layouts, and engineering documentation, ensuring solutions are safe, compliant, and delivered to agreed time, cost, and quality targets. The role is primarily office-based in Warrington (3 days per week) with occasional site visits and travel to other offices when required. Key Responsibilities Develop...
IR35 Status:
Inside IR35

CV-Library Warrington, Cheshire Contractor
CL
Apr 04, 2026  
EC&I Engineer -Site based Sellafield
EC&I Engineer - Sellafield Projects £46-51 per hour (Inside IR35) On-site - Sellafield Sector: Nuclear Are you an EC&I Engineer looking for a hands-on, site-based role on one of the UK's most complex and nationally significant nuclear sites? This is a strong opportunity to join a multidisciplinary engineering team delivering critical EC&I design and engineering solutions across Sellafield projects. This role is fully site-based, ideal for engineers who enjoy being close to construction, commissioning, and real-time engineering challenges in a highly regulated environment. Key Responsibilities Deliver and support EC&I engineering activities across nuclear infrastructure projects Produce and review design documentation, drawings, and calculations Ensure EC&I designs comply with Sellafield standards, safety case requirements, and site licence conditions Interface closely with construction, commissioning, safety, and project teams to support effective delivery...
IR35 Status:
Inside IR35

CV-Library Seascale, Cumbria Contractor
CL
Apr 04, 2026  
Senior EC&I Designer-Nuclear
Senior EC&I Designer - Sellafield Ponds Programme Contract | £51-£56/hour (Inside IR35) Warrington | Hybrid - 3 days on site / 2 days remote Sector: Nuclear Decommissioning | Sellafield Ponds We are seeking an experienced Senior EC&I Designer to support major engineering works within the Sellafield Ponds Programme, one of the most complex and high-hazard decommissioning challenges in the UK nuclear sector. This role will see you taking a senior position within the EC&I design team, leading the development, review, and delivery of high-integrity design packages for safety-critical systems. You will play a key role in ensuring designs meet strict nuclear safety, regulatory, and engineering standards while supporting project delivery across multidisciplinary teams. Working within a collaborative engineering environment, you will provide technical guidance to designers and engineers, contribute to design reviews, and ensure the production of high-quality EC&I...
IR35 Status:
Inside IR35

CV-Library Warrington, Cheshire Contractor
CL
Apr 04, 2026  
CE&I Safety System Design Engineer -Nuclear
CE&I Safety System Design Engineer Silos MSSS SEP 1 & 2 | Nuclear & High-Hazard Environment Warrington Hybrid - 3 days on site £51-£56/hour | Inside IR35 Are you a CE&I Safety System Design Engineer looking to make a real impact on nationally significant infrastructure? This is a high-profile opportunity to join the Silos MSSS SEP 1 & 2 programme, working at the heart of safety-critical design in a complex, regulated environment. You'll be part of a specialist CE&I design team, delivering and checking Safety System design packages that underpin safe operations - while also supporting commissioning activities and mentoring the next generation of engineers. The Role You'll play a key role in: Delivering and checking CE&I Safety System design packages to meet safety, functional and business requirements Supporting and reviewing designs produced by other engineers within the team Working across disciplines to ensure compliant, integrated solutions...
IR35 Status:
Inside IR35

CV-Library Warrington, Cheshire Contractor
CL
Apr 04, 2026  
Supplier Planner
World Class Defence Organisation is currently looking to recruit a Supplier Planner subcontractor on an initial 6 month contract.  This role could suit a candidate from a MRP Controller, Supply Scheduler or Supply Chain Specialist background. This role is looking for a candidate with the following experience: MRP planning experience and ideally some exposure to SAP Manufacturing environment. Supply chain experience Rate: £27.00 per hour Location: Bolton Hybrid / Remote working: Hybrid role of 3 days per week onsite, 2 days working from home 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)                                                                                                                                           Supplier Planner Job Description: This opportunity plays a significant part in...
IR35 Status:
Inside IR35

CV-Library Bolton, UK Contractor
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