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Contractor 40
Engineering Inside IR35 Feltham

40 jobs found in Feltham

CL
Jun 14, 2026  
SC Cleared Senior Data Engineer
Senior Data Engineer | £650 - £700 Inside IR35 | Hybrid | London We are looking for an experienced Senior Data Engineer to join a high-profile project delivering modern data solutions within a secure environment. This is a hybrid role which will require you to be on site 2 days per week in London. Active SC Clearance is mandatory for this role – candidates without current SC clearance cannot be considered Key Responsibilities Design and build scalable data pipelines Work across large-scale data platforms and cloud environments Collaborate with engineering and architecture teams to deliver high-quality solutions Key Skills & Experience Strong experience with Python and PySpark Hands-on expertise in AWS Experience working with Databricks Ideally 5+ years working with this tech stack as a data engineer Proven background delivering data engineering solutions at scale If this is a role that suits you skill set, you have active SC clearance and are available immediately then...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jun 12, 2026  
Electrical Engineer Water Industry
Are you an experienced Electrical Engineer looking for a high-value contract on major infrastructure projects? Do you want to play a leading role in delivering complex, multi-disciplinary engineering solutions with a nationally recognised consultancy? We are seeking two Electrical Engineers to join a leading contractor/consultancy on a 6-month contract, with the potential for extension. This role offers a hybrid working model, with offices in London. The Opportunity ·£75 per hour (Inside IR35) ·6-month contract with strong extension potential ·Hybrid working (3 days office/site-based) across multiple UK locations ·Opportunity to work on high-profile, critical infrastructure projects ·Exposure to complex, technically challenging work within a leading consultancy environment This is a fantastic opportunity to work on critical UK infrastructure programmes, particularly within the water sector, contributing to innovative and large-scale engineering solutions. You will be part...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jun 12, 2026  
Senior Geophysical Engineer
Senior Geophysical Engineer Base Location: Glasgow or London Contract Length: 12 Months IR35 Status: Inside IR35 Working Pattern: Monday–Friday | Hybrid Working (Minimum 2 office days per week) Sector: Offshore Wind / Renewable Energy Recruitment Partner: Spencer Ogden About the Role Spencer Ogden is supporting a leading offshore wind developer in the search for an experienced Senior Geophysical Engineer to support the successful delivery of offshore geophysical surveys and geohazard management activities across a portfolio of operational offshore wind farms in the UK and Europe. This position sits within the Ground Engineering team and will play a critical role in supporting Operations & Maintenance (O&M) activities through the management, interpretation, and delivery of high-quality geophysical survey data and associated engineering solutions. This is an excellent opportunity for an experienced offshore geophysics professional looking to work on complex,...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jun 11, 2026  
CAD Technician
Highway CAD Technician required for contract role in Central London. Opportunity for a CAD Technician to join a leading engineering and design consultancy. Duties include detailed design and delivery of schemes on a Senior CAD level relating to the production of construction design drawings, plans and schematics for highway engineering schemes in London Key Accountabilities: Responsible for the production, review, and submission of design schemes Production of Cycle Superhighways drawings Production of Traffic Management drawings Production of Preliminary, detailed and constructions Civil designs drawings 2D CAD Some awareness of 3D CAD Civils Some experience with Key signs, Key post & Key Lines ideal. Should be able to work independently with minimal supervision. The position is on a contract basis only with a competitive rate, inside of IR35. The client requires office working 3 days a week. You must have professional experience of working as a CAD Technician within an...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jun 11, 2026  
Senior Technology Engineer
Job Description CCL Global is supporting a major UK rail infrastructure organisation in the recruitment of a Senior Technology Engineer to support innovation and digital transformation initiatives across a high-profile transportation asset portfolio. This position will play a key role in driving automation, remote inspection technologies, AI-enabled monitoring and data-led maintenance strategies across operational rail infrastructure. Location: London, UK. Type of Contract: 6 Month contract(Inside IR35) with Strong Potential to Convert to Permanent Hybrid Working – Minimum 2 Days Per Week Onsite Reporting into the Head of Innovation, this role will support the deployment of emerging technologies designed to: Reduce manual maintenance activities, Improve operational efficiency and safety, Support digital transformation initiatives, Enhance asset management and infrastructure monitoring capabilities Key duties will include: * Delivery of innovation and automation projects...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jun 11, 2026  
Quantity Surveyor
Quantity Surveyor – Major Infrastructure Project Location: Euston, North Acton or West Ruislip Contract Type: Contract Inside IR35 About the Role The role of Quantity Surveyor is responsible for providing accurate and value generating input to projects. The role ensures that all commercial aspects are carried out in accordance with the contract, company policies and procedures, and to the satisfaction of the customer and/or contract leader. This role may work independently or under the direction of a more senior Quantity Surveyor. The QS will be able to demonstrate the ability to function as a member of an integrated team. Key Responsibilities Inputting to the efficient and effective management and issuing of accurate, timely and compliant notices and correspondence Preparation or assessment of applications, valuations, cost/value reconciliation. Cost control and forecasting. Prepare and provide input to monthly reports: value, cost, profit/loss, cash flow and budget....
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jun 10, 2026  
Senior Technology Engineer
Job Title: Senior Technology Engineer Location: Stratford, London (Hybrid – min.2 days per week onsite) Contract Duration: 6 Months Daily Rate: £ (Apply online only)/day (Umbrella – Maximum) IR35 Status: Inside IR35 The Role: To provide technical leadership and delivery accountability for innovation across the asset base, progressing new technologies from development and trial into safe, assured, and value‑for‑money operational deployment. The role operates with a high degree of professional autonomy, acting as a subject‑matter expert and technical authority within the innovation framework. Lead the identification, development, and deployment of innovation initiatives aligned to strategic objectives. Act as technical authority for assigned innovation projects, setting direction and ensuring engineering integrity. Translate emerging technology into practical, deployable solutions for operations and maintenance. Minimum Requirement: Experience working with drones and associated...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
May 24, 2026  
Electronics Design Engineer (Power Electronics)
We are recruiting for an Electronics Design Engineer (Power Electronics) to join our London-based manufacturing client for a 6-month rolling contract role inside IR35 (through umbrella). As an Electronics Design Engineer (Power Electronics), your overall objective of the role is Design, development, qualification, and documentation of hardware for Power Feeding Equipment (PFE) product. The Electronics Design Engineer (Power Electronics) contributes to the HV side of multidisciplinary PFE engineering teams throughout feasibility, architecture, and detailed design phases, as well as product maintenance and support, while ensuring adherence to industry standards and meeting customer expectations THE SUCCESSFUL APPLICANT * Degree in electrical/electronic engineering; at least 8 years of experience. * Must have end to end HW product development experience involving complex electronics with deep knowledge and strong hands-on experience in: * Power electronics (DC-DC converters up...
IR35 Status:
Inside IR35

CV-Library SE10, Greenwich West, Greater London Contractor
CL
May 24, 2026  
Electronics Design Engineer (HV Design)
We are recruiting for an Electronics Design Engineer (HV Design) to join our London-based manufacturing client in 6-month rolling contract role inside IR35 (through umbrella). As an Electronics Design Engineer (HV Design), you will be responsible for providing high-voltage (HV) design expertise, including creepage and clearance considerations, as well as validation activities. You will assess and develop solutions for HV clearance challenges at the PFE level and within HV switch designs. THE SUCCESSFUL APPLICANT * Degree in electrical/electronic engineering; at least 8 years of experience. * Must have end to end HW product development experience involving complex electronics with deep knowledge and strong hands-on experience in: * Power electronics (DC-DC converters up to 5kW, HVDC systems). * High-voltage engineering (design, validation, standards compliance). * Thermal/mechanical integration for high-power systems. * Experience in electronics design within a regulated...
IR35 Status:
Inside IR35

CV-Library SE10, Peninsula, Greater London Contractor
CL
Jun 13, 2026  
Junior Engineering Surveyor
Junior Engineering Surveyor Great Missenden 6-Month Contract Inside IR35 £130 – £175 per day PAYE (excluding holiday pay) We are currently supporting a major infrastructure contractor delivering one of the UK’s largest civil engineering projects and are looking to recruit a Junior Engineering Surveyor to join their established site engineering team. This is a fantastic opportunity for a motivated and ambitious surveying professional looking to further develop their experience within large-scale infrastructure, rail and civil engineering projects. The Role: The successful candidate will support the Engineering Surveying team in carrying out site surveys in line with project procedures, health & safety standards and engineering requirements. The role will involve assisting with setting out, control networks, laser scanning, survey data capture and reporting across a live construction environment. Key Responsibilities: • Assist with engineering surveying activities across the...
IR35 Status:
Inside IR35

CV-Library Great Missenden, Buckinghamshire Contractor
CL
Jun 13, 2026  
Lead Mechanical Engineer
Lead Mechanical Engineer Location: Reading, UK (Onsite) Contract: 12 Months (Inside IR35) Hours: 40 hours per week (Core hours: 09:00 - 15:30) Working Pattern: 4 days onsite, 1 day WFH About the Role We are seeking an experienced Lead Mechanical Engineer to join a Joint Venture (JV) Project Management Team during the pre-FEED stage of a major project, based in Reading. Key Responsibilities Lead Mechanical Engineer will provide engineering leadership aligned with project objectives and risk strategies Work closely with PMT and contractors to ensure risks are clearly understood and managed Drive value improvement and capital efficiency initiatives within design development Recommend and evaluate design alternatives to optimise cost and schedule Own and develop engineering standards, specifications, and philosophies Ensure technical definitions meet pre-FEED / FEED maturity expectations Support preparation of FEED/EPC scopes and participate in technical bid evaluations Lead...
IR35 Status:
Inside IR35

CV-Library Reading, Berkshire Contractor
CL
Jun 12, 2026  
Manufacturing Engineer
Manufacturing Engineer Location: Luton Contract: 12 Month Contract Rate: £40 per hour (Inside IR35) Security Clearance: Active SC Clearance Required Working Pattern: 4-5 Days On Site THE ROLE We are recruiting on behalf of a leading defence engineering organisation looking to appoint an experienced Manufacturing Engineer to support their Manufacturing Engineering Team within Manufacturing Operations. This role will focus on supporting the transition of new products from design into manufacture, ensuring efficient, cost-effective and high-quality production readiness across complex engineering programmes. This is an excellent opportunity to work within a highly advanced defence environment supporting NPI, process improvement and shopfloor manufacturing engineering activities on technically complex products. KEY RESPONSIBILITIES - Develop and improve manufacturing processes by analysing product requirements and defining manufacturing methods - Provide Design for...
IR35 Status:
Inside IR35

CV-Library Luton, UK Contractor
CL
Jun 14, 2026  
Systems Design Engineer
World Class Defence Organisation is currently looking to recruit 2x Systems Design Engineer subcontractors on an initial 12 month contract.   Rate: £80.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: The role can be based either from the companies Stevenage, Bolton or Bristol sites Hybrid / Remote working: circa 4 days onsite (more remote working may be possible) Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Systems Design Engineer Job Description: Seekers department develop RF Seekers for use in Missile products.  Responsibilities: Working as part of team developing system architecture and design utilising MBSE. Deriving and managing requirements Communicating with various stakeholders with the Seeker team and the external customer and suppliers Developing Physical...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jun 14, 2026  
RF Engineer
Our client has an opportunity for a RF Engineer to join them on a contract basis for 6 months with possible extension. You will be designing complex, real-time simulations that surround real hardware. Role: RF Engineer Location: Stevenage, 4 days onsite per week Hours: 37 per week Hourly Rate: £65-£75 per hour via Umbrella, inside IR35 Clearance: BPSS required before starting, full SC to follow What you'll be doing: As a HWIL RF engineer, you will be responsible for designing and developing and maintaining new and existing RF equipment and working with multi-disciplinary teams to combine RF, electronics engineering and software development to produce new capabilities that enable the HWIL team to run new simulations. You will be able to adapt to new engineering situations and be comfortable in abstracting detail in order to understand the simulation and missile's behaviour What you'll be doing: Broad engineering experience with deeper experience in some of the following...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Jun 13, 2026  
Senior Engineering Draughtsperson
Senior Engineering Draughtsperson / Mechanical Design Draughtsperson Location: Stevenage, Hertfordshire (minimum 2 days/week onsite, remainder remote; more onsite initially to get up to speed) Duration: 6 months Rate: £43-£45 per hour (Umbrella) IR35: Inside IR35 Clearance: SC clearance required to start (UKEO) Overview A leading organisation within the Defence & Security sector is looking for an experienced Senior Engineering Draughtsperson to support the development of 2D and 3D mechanical definitions for complex products. You'll work closely with multi-disciplinary engineering teams to deliver high-quality technical documentation and drawing packs. Responsibilities: Must have a strong background in the ability to create 2D and 3D definitions. In this role, you will develop the 2D and 3D definitions working with the engineer, quality assessing the 3D models you receive for a variety of defence products. Appointments will be made at an appropriate level based on...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Jun 13, 2026  
Mechanical Design Draughtsman
Inside IR35 An opportunity to become a member of Europe’s No. 1 Missile Systems company as a design draughtsperson in the mechanical engineering function, you will work closely with a wide range of project teams to develop definitions to meet our manufacturers and customer’s needs. Responsibilities: Must have a strong background in the ability to create 2D and 3D definitions. In this role, you will develop the 2D and 3D definitions working with the engineer, quality assessing the 3D models you receive for a variety of defence products. Appointments will be made at an appropriate level based on skills and experience. Please bring examples of 2D draughting work to show in the interview Skillset/experience required: • Ideally Degree, HND, or HNC in Mechanical Engineering (or equivalent) with relevant industry experience. • Excellent knowledge of BS8888 Technical product documentation and specification, ISO 1101 Geometrical product specifications, ISO 5459 Datum and...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jun 12, 2026  
Mechanical Design Draughtsperson
World Class Defence Organisation is currently looking to recruit a Mechanical Design Draughtsperson subcontractor on an initial 6 month contract. Rate: £45.00 per hour Location: Stevenage Hybrid / Remote working: 2 days a week likely onsite.  The rest 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)  Mechanical Design Draughtsperson Job Description: An opportunity to become a member of Europe’s No. 1 Missile Systems company as a design draughtsperson in the mechanical engineering function, you will work closely with a wide range of project teams to develop definitions to meet our manufacturers and customer’s needs. Responsibilities: Must have a strong background in the ability to create 2D and 3D definitions. In this role, you will develop the 2D and 3D definitions working with the...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jun 07, 2026  
Mechanical Systems Engineer / Architect
World Class Defence Organisation is currently looking to recruit a number of Mechanical Systems Engineer / Architects on an initial 6 month contract.  The department can have the role based from either the Stevenage, Bristol or Bolton sites.   This role would suit a candidate who comes from a strong background of working as a Mechanical Design Engineer, Mechanical Systems Engineer, Mechanical Architect or has experience of Mechanical Systems Architecture.  A defence / aerospace background is ideal but not essential. DOORS experience would be great.    Rate: £60.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage, Bolton or Bristol depending on your preference Hybrid / Remote working: 3-4 days onsite needed. Will be 5 days onsite to begin with due to training needs Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella)...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jun 05, 2026  
Electronics Design Engineer
World Class Defence Organisation based in Stevenage (the role can be a split of working Onsite and Working From Home) is currently looking to recruit a number of Electronics Design Engineer subcontractors on an initial 12 month contract.    Electronic Design Engineers with excellent skills in Analogue Design or Digital Design or Power Design or FPGA are sought after.    Job Title: Electronics Design Engineer Rate: £58 per hour Overtime Rate: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: This role will involve some remote working opportunities Contract: 37 Hours per week Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella)   Electronics Design Engineer Job Description: The Electronic Engineering function is a friendly and supportive environment. Within the function, you will be working with other engineers who have a collective wealth of...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
May 23, 2026  
Mechanical Design Engineer
World Class Defence Organisation is currently looking to recruit a Mechanical Design Engineer subcontractors on an initial 6 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 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...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
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