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Contractor 24
Outside IR35 Oxford engineering

24 engineering jobs found in Oxford

CL
Jul 25, 2026  
Site Engineer-Oxford/Aylesbury-Outside IR35
Due to the award of Water related works between Aylesbury and Oxford, our client are seeking the services of a Site Engineer to support these works which include Groundworks, Concrete, Pumping Station Construction and Pipeline Installation. Based from sites between these areas, daily duties will include Setting Out, QA, Assisting with site paperwork and overseeing Contractors on site. To be considered you will have a minimum of an HNC in Civil Engineering and will hold CSCS as a minimum with other industry certs an advantage. You must also have Water experience along with solid all round Civil Engineering exposure gained with reputable Contractors. In return, a top day rate is on offer which is Outside IR35/CIS and comes with an immediate start and long term contract. This is an excellent opening so if interested, please send a copy of your CV to Dave Rowe by email or call Dave on (phone number removed) for further information
IR35 Status:
Outside IR35

CV-Library Oxford, Oxfordshire Contractor
CL
Jul 23, 2026  
Thermal Design Engineer
We are looking for an innovative and detail-oriented Thermal Design Engineer to join our automotive engineering team. The successful candidate will be responsible for the design, analysis, and optimization of thermal systems and components across vehicle platforms. This includes ensuring optimal performance, energy efficiency, and reliability of thermal systems for propulsion, cabin climate control, battery management, and electronic components. Key Responsibilities: * Design and develop thermal management systems and components for electric power systems to go into vehicles. * Have knowledge of modelling and simulation of thermal behaviour using 1D/3D tools (e.g., GT-SUITE, ANSYS, Flowmaster, CFD tools). * Evaluate and optimize cooling and heating strategies for batteries, HVAC systems, and electronics. * Perform thermal analysis to ensure compliance with performance, durability, safety, and regulatory requirements. * Collaborate with cross-functional teams...
IR35 Status:
Outside IR35

CV-Library Oxford, Oxfordshire Contractor
CL
Jul 25, 2026  
P6 Planner - Freelance/ Perm
We are looking for a Planner and a Senior Planner to work with one of our leading clients, one of the UK's largest infrastructure providers on their HS2 works in Aylesbury. You'll be responsible for developing, maintaining and updating detailed project programmes using Primavera P6, ensuring works are delivered safely, efficiently and in line. Key responsibilities include producing and managing project schedules, monitoring progress, identifying programme risks and critical paths, preparing regular progress reports, and working closely with project managers, site teams and commercial staff. You MUST have previous site experience. They are ideally looking for someone who has worked their way up from Site Engineer to Sub Agent to Project Manager then gone into Planning. You must have previous experience working on large scale civil engineering projects and previous HS2 and drainage experience is desirable. They are looking for either Permanent or Freelance with long term work and...
IR35 Status:
Outside IR35

CV-Library Aylesbury, Buckinghamshire Contractor
CL
Jul 23, 2026  
Contract Quality Inspector
Are you an experienced Quality Inspector with CMM Programming experience gained within the space, aerospace, or another high-precision engineering environment? Do you have a strong understanding of dimensional inspection, quality assurance processes, and AS9100 standards?   Our client, a leading manufacturer of precision-engineered components, is seeking a CMM Programmer / Quality Inspector to join their team on an initial 6-month contract, Outside IR35.  Contract CMM Programmer / Quality Inspector   6 Month Contract Competitive Rate Monday to Thursday 08:00 – 16:45, Friday 08:00 – 12:00 Buckinghamshire CMM Programmer / Quality Inspector Job Description Program, operate and maintain CMM equipment to inspect components and assemblies against engineering drawings and specifications Perform dimensional, visual and final inspections Maintain accurate, traceable inspection records and quality documentation Support AS9100, ISO 9001, Health & Safety and Environmental standards...
IR35 Status:
Outside IR35

CV-Library Aylesbury, UK Contractor
CL
Jul 25, 2026  
Network Architect - DV Cleared
Network Architect +18 months + +DV cleared +On site in Hampshire +Outside IR35 +£650-£700 a day We are seeking an experienced Network Architect to join a high-profile MOD programme delivering secure, mission-critical network capabilities. This is a hands-on architecture role requiring deep technical expertise across modern data centre and wide area networking technologies. Working within a highly secure environment, you will be responsible for designing, assuring and evolving complex network architectures that support large-scale digital transformation and operational requirements. Key Responsibilities Design and develop secure network architectures for enterprise and defence environments. Produce high and low-level network designs, technical documentation and implementation plans. Lead network architecture decisions across data centre, campus and WAN environments. Provide technical assurance and governance throughout the project lifecycle. Collaborate with engineering,...
IR35 Status:
Outside IR35

CV-Library Basingstoke, Hampshire Contractor
CL
Jul 25, 2026  
Network Architect - DV Cleared
Network Architect - DV Cleared 15+ Month Contract Outside IR35 £650-£750 per day On-site in Hampshire Active DV Clearance required before applicationWe're recruiting for an experienced DV Cleared Network Architect to join a major MOD programme delivering highly secure, mission-critical network infrastructure. This is a long-term contract offering the opportunity to shape complex network architectures within one of the UK's most technically challenging environments. You'll play a key role in the design, assurance and evolution of secure enterprise network solutions, working alongside engineering, security and delivery teams to support large-scale digital transformation. What You'll Be Doing Design secure, resilient network architectures for enterprise and defence environments. Produce High-Level Designs (HLDs), Low-Level Designs (LLDs) and supporting technical documentation. Lead architecture decisions across data centre, campus and WAN environments. Provide technical governance...
IR35 Status:
Outside IR35

CV-Library Basingstoke, Hampshire Contractor
CL
Jul 23, 2026  
Test Assurance Consultant
Assurance Consultant Location: Hampshire (Onsite) Duration: 18 Months Clearance: DV Clearance required (Active) Rate: £(Apply online only) per day - Outside IR35 Overview We are seeking an Assurance Consultant to provide specialist oversight and assurance across a highly secure government IT infrastructure programme. This role will focus on managing and governing the test and trial activity, ensuring that infrastructure capabilities are validated, risks are identified early, and delivery remains aligned to operational requirements. The successful candidate will act as a trusted adviser to programme leadership, providing independent challenge, structured guidance, and leadership across complex test environments. Key Responsibilities Provide strategic oversight and assurance of Test & Trials activity across the programme Review and shape Test & Trials Strategies, Plans, and governance frameworks Advise programme leadership on test readiness, risks, and delivery...
IR35 Status:
Outside IR35

CV-Library Basingstoke, Hampshire Contractor
CL
Jul 23, 2026  
Service Architect
Service Architect +Current DV Clearance is essential +On site in Hampshire +18 months + +Outside IR35 +£650 - £750 a day We're seeking an experienced Service Architect to join a high-profile Ministry of Defence (MOD) programme on a long-term contract. This is an excellent opportunity to play a key role in designing and delivering secure, resilient, and supportable services within a complex defence environment. Key Responsibilities Design and develop end-to-end service architecture aligned with business and technical requirements. Produce service designs that meet operational, security, and supportability standards. Work closely with technical architects, engineering teams, service management, and stakeholders. Ensure service transition and operational readiness for new and enhanced services. Contribute to service governance, risk management, and continual service improvement. Create and maintain service design documentation, operating models, and support processes....
IR35 Status:
Outside IR35

CV-Library Basingstoke, Hampshire Contractor
CL
Jul 20, 2026  
Assurance Consultant
Assurance Consultant Location: Hampshire (Onsite) Duration: 18 Months Clearance: DV Clearance required (Active) Rate: £600 - £700 per day - Outside IR35 Overview We are seeking a Project Test Managerto provide specialist oversight and assurance across a highly secure government IT infrastructure programme. This role will focus on managing and governing the test and trial activity, ensuring that infrastructure capabilities are validated, risks are identified early, and delivery remains aligned to operational requirements. The successful candidate will act as a trusted adviser to programme leadership, providing independent challenge, structured guidance, and leadership across complex test environments. Key Responsibilities Provide strategic oversight and assurance of Test & Trials activity across the programme Review and shape Test & Trials Strategies, Plans, and governance frameworks Advise programme leadership on test readiness, risks, and delivery confidence...
IR35 Status:
Outside IR35

CV-Library Basingstoke, Hampshire Contractor
CL
Jul 19, 2026  
Test Manager - DV Cleared
Test Manager Location: Basingstoke (Onsite) Contract Length: 18 Months Clearance: Active DV Clearance Required Rate: £650-£700 per day | Outside IR35 The Opportunity We are looking for an experienced Project Test Manager to join a high-profile, secure government infrastructure programme delivering critical national capabilities. This role offers the opportunity to lead and assure complex Test & Trials activity across a large-scale IT infrastructure environment. You will work closely with programme leadership, engineering teams, cyber specialists, and operational stakeholders to ensure solutions are validated, risks are identified early, and delivery meets operational and security expectations. The successful candidate will bring strong leadership, governance, and assurance experience within highly secure defence or government environments and be comfortable operating at programme level, providing independent challenge and strategic oversight. Key Responsibilities Lead...
IR35 Status:
Outside IR35

CV-Library Basingstoke, Hampshire Contractor
CL
Jul 19, 2026  
Infrastructure Test Engineer - DV Cleared
DV Cleared Infrastructure Test Engineers (x2) 📍 Location: Onsite - Hampshire 📅 Contract: Initial 12-Month Contract 💰 Rate: £500-£600 per day (Outside IR35) 🔒 Security Clearance: Active DV Clearance Required We are currently seeking two experienced DV Cleared Infrastructure Test Engineers / Test SMEs to support a high-profile, secure infrastructure programme within a complex and mission-critical environment. This is an opportunity to play a key role in the delivery assurance of critical infrastructure platforms and services, providing hands-on testing expertise across the full test lifecycle. Successful candidates will be responsible for planning, executing and assuring infrastructure testing activities while working closely with engineering, architecture and service delivery teams. Key Responsibilities Develop, review and execute Infrastructure Test Strategies, Test Plans, Test Scripts and Test Cases. Perform functional, integration, system, performance and operational...
IR35 Status:
Outside IR35

CV-Library Basingstoke, Hampshire Contractor
CL
Jul 22, 2026  
Delivery Support Officer
Delivery Support Officer Location: Cheltenham or Manchester (3-4 days per week on-site) Rate: Up to £55 per hour (umbrella rate) Contract: Until 31st March 2027 Start: ASAP Clearance: Active DV Clearance required We are seeking a Delivery Support Officer to support the delivery of a high-profile programme. This role combines financial administration, project planning, and governance, ensuring accurate reporting and effective programme controls. Key Responsibilities Produce accruals, forecasts, and variance analysis. Profile financial commitments and provide financial assurance. Maintain project plans, risk and issue logs. Facilitate risk workshops and produce governance reports. Ensure planning information is accurate and up to date. Support programme reporting and stakeholder governance. Requirements Experience in project or programme support. Strong financial reporting and forecasting skills. Experience managing plans, risks, and issues. Excellent organisational and...
IR35 Status:
Outside IR35

CV-Library Cheltenham, Gloucestershire Contractor
CL
Jul 21, 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
Jul 26, 2026  
Site Engineer (QCF Level 3)-Heathrow-Outside IR35
Our client, a top family owned Contractor are currently working on a Central Bus Station, at Terminal 2 at Heathrow on the Landside undertaking works to the change the Bus Station on Consort Road which involves working in the ground, groundworks and Utility Diversion works. They require an Engineer/Surveyor to support these works with duties including Setting Out and Supervision of Contractors on site along with QA and other daily duties. To be considered you will have a minimum of an HNC in Civil Engineering and MUST hold a minimum of QCF Level 3 qualification in Utilities and Mapping as this is an important part of the role. In return, you will receive an excellent day rate which is Outside IR35 and comes with a long term contract. This is a great opening so if you have the qualifications and experience above, please do get in contact by sending a copy of your CV by email or call Dave on (phone number removed)
IR35 Status:
Outside IR35

CV-Library Hillingdon, Greater London Contractor
CL
Jul 23, 2026  
Planner - Freelance - Outside IR35
We are also looking for a Planner to join a major Contractor to work on varying schemes including HS2, Utilities (including Water and Power) and Civils works. The client seek someone who comes from an Engineering background and who has worked their way up to Site Agent level and then gone into Planning. The role is based near Uxbridge with some home working available also. Excellent rate on offer which is Outside IR35. Great role and great company so if interested, please send a copy of your CV
IR35 Status:
Outside IR35

CV-Library Hillingdon, Greater London Contractor
CL
Jul 08, 2026  
Senior Power Electronics Engineer
I'm recruiting for a growing engineering business who design electromechanical products for use in harsh environments across the globe. They're looking for an experienced Power Electronics Engineer on a 6 month contract (high chance of extension) to take a few products through concept/R&D to prototype and release. The work involves designing BMS, low-voltage electronics and power supplies for use in ruggedized environments. ROLE: Power Electronics Engineer LOCATION: Stroud, Gloucestershire RATE: up to £75ph (Outside IR35) DURATION: 6 months Skills required for the role are: * Knowledge of designing BMS * Understanding of power electronics in harsh environments (heat, temp, pressure, shock) * Experience and willingness to work in fast, dynamic R&D environment * O&G, Electric vehicles, aerospace, avionics or autonomous vehicle industry exposure beneficial Although the role is Outside IR35, the work must be completed on-site 100% due to nature of the team and...
IR35 Status:
Outside IR35

CV-Library Stroud, Gloucestershire Contractor
CL
Jul 19, 2026  
Supplier Quality Engineer
Recruit4staff are representing a leading manufacturing business in their search for a Supplier Quality Engineer to work across the UK. Our client is based across Woking & Bicester, but there will be UK based travel on a regular basis. Job Details: Pay: Up to £40 per hour Outside IR35 (Limited) - Depending on experience Hours of Work: 8.00am to 5.00pm Monday to Friday Duration: Rolling contract Working for a prestigious, premium, Tier 1 Automotive Manufacturer Working on a variety of exciting projects across the UK Career development opportunities within a Global Manufacturer Job Role - Supplier Quality Engineer: Conduct supplier process & quality assessments Support supplier development and improvement initiatives Acting as an extension of the Clients Customers quality teams Supporting suppliers during new product launches Supporting critical programmes and helping customers achieve their quality & delivery objectives Providing on site support at customer locations...
IR35 Status:
Outside IR35

CV-Library Woking, UK Contractor
CL
Jul 22, 2026  
Remote Embedded Android Specialist
I'm recruiting for a business in Gloucester who are looking for an Embedded Android Developer on a contract basis. The work involves developing an android application on custom hardware involving video pipeline/streaming. ROLE: Embedded Android Developer LOCATION: Remote (some travel to Gloucester/Hampshire) RATE: up to £60ph DURATION: 6 months IR35: Outside Skills required for the Embedded Android Engineer are: * Embedded Android expertise on non-phone hardware (this is i.MX8 but any similar processors considered) * Experience designing media/video applications on Android * Proficiency and knowledge of hardware/software interface * Working with minimal supervision The following are beneficial: * ATAK, iTAK, WinTAK or similar * SC clearance (not essential) * Embedded Linux * Video streaming protocols REMOTE: The majority of the work can be done remotely with frequent travel to sites in Gloucester and Hampshire required. If you're interested, please...
IR35 Status:
Outside IR35

CV-Library Gloucester, Gloucestershire Contractor
CL
Jun 27, 2026  
Site Agent (Water)
Due to recent project awards our client is seeking an experienced Site Agent to join the non infrastructure team. This is a decent length contract in the Gloucester region. You will be in charge of site operations, directing and organising site activities to ensure that the planned work is delivered safely and on time, ensuring performance meets recognised standards of productivity, quality and compliance with health and safety legislation and company policies. This is a freelance position (outside IR35) and will be site based in Gloucester. Some of your day-to-day responsibilities include: • Ensure projects are delivered within budget, to programme and safely. • Ensure a suitably competent workforce is in place to complete all site activities including subcontractors. • Undertake site audits and inspection to ensure Health and safety compliance with relevant legislation. • Perform quality checks in line with contract specification and contract statement of requirements...
IR35 Status:
Outside IR35

CV-Library Gloucester, Gloucestershire Contractor
CL
Jun 05, 2026  
Project Manager Water
Project Manager Would you like to work for an inclusive and collaborative company which is achieving great success? My client is working closely with long established clients to deliver a range of water infrastructure and non-infrastructure projects. These works are key to ensuring sustainable, high-quality services for communities across the region. Role Overview We are seeking a Project Manager to take overall responsibility for the successful delivery of allocated multidisciplinary projects. You will lead projects from conception through to completion, ensuring safe and efficient execution within agreed timescales, budgets, and quality standards. This role requires strong leadership, technical knowledge, and commercial awareness, alongside the ability to manage internal teams, external consultants, and key customer relationships. You will be expected to deliver projects in line with core company values, driving service excellence and continuous improvement. Key Responsibilities...
IR35 Status:
Outside IR35

CV-Library Gloucester, Gloucestershire Contractor
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