35 jobs found in London Borough of Hillingdon

Job Title Civil Technical Engineering Manager - Ancillary Works Location: London or Bristol (hybrid working), with regular travel to the Sizewell C site in Suffolk Contract: Inside IR35, ongoing Closing Date: 17 February 2026 ________________________________________ Job Purpose / Overview The Engineering & Technical (E&T) function is a fundamental part of the Civil Works Programme, responsible for defining and assuring the design, engineering, and technical requirements across the project. The team leads the full lifecycle of design delivery-from requirements definition through to final acceptance-while managing budgets, resources, and supply chain interfaces. It also ensures constructability and effective design coordination across Civil Works, Site Establishment, and Off-Site Infrastructure. As Civil Technical Engineering Manager - Ancillary Works, you will support the definition and validation of technical requirements and specifications, working closely with...

Site Agent - Civils (Heathrow Airport) 📍 Heathrow Airport 💼 Freelance / Contract 💷 Circa £500/day - Inside IR35 TRIbuild Solutions isare recruiting an experienced Site Agent from a civil engineering background to support a multi-faceted infrastructure package at Heathrow Airport. This is a hands-on role working across a range of complex civils activities within a live, highly regulated airport environment. Scope of Works Includes: Drainage Tunnel cladding / structural concrete works General civils & infrastructure packages Coordination of subcontractors and direct labour Temporary works, RAMS, permits & ITPs Daily site management, progress tracking and H&S compliance Key Requirements: Strong background as a Site Agent on civils projects Degree qualified background preferred Proven experience with drainage and structural / tunnel-related works Comfortable working in live or highly controlled environments SMSTS, CSCS (Black/Gold preferred) Excellent...

Welder - Rolling Stock £39.24 per hour (Umbrella - Inside IR35) | Contract | Acton MON-FRI | 7AM-3:15PM | EARLY FINISH FRIDAYS Ceto Talent is recruiting a Welder - Rolling Stock for a major London transport authority to help maintain the fleet of underground trains. This is a full-time onsite position working on critical rolling stock maintenance. What We're Looking For The ideal Welder - Rolling Stock will bring: * Essential: Aluminium TIG and MIG welding experience * Apprentice trained or Level 3 qualified in welding * Ability to pass and maintain welding codings (essential for continued employment) * Proven experience in welding and fabrication * Understanding of safe working practices and compliance About the Role This Welder - Rolling Stock contract offers the opportunity to work on underground rolling stock maintenance, ensuring London's tube trains keep moving. You'll be working onsite at the Acton facility, carrying out aluminium TIG and MIG welding on...

We are recruiting for a Break Fix Engineer for a leading IT Service provider based in London (EC1) The role: Break fix server engineer working on HP, Dell and IBM servers, Server provisioning, Rack, stack and configure servers. Support Trainee DC Engineers when required. Troubleshoot hardware faults and arrange replacements. Install and decommission redundant equipment. Provide expert hardware support. Responsible for proactive updating of customer and resolution of service. Co-operate and work closely with all members of the support team to ensure efficient, productive and high quality technical support and customer service to customers within the live Data Centre. Liaise with onsite support engineers and within other sites. Manage all incoming calls, emails to the data centre support function. Liaise with third party suppliers to report and escalate customer problems. Respond to customers within agreed SLA. Follow escalation processes; tickets to support management and other...

Senior AI Automation Engineer 6‑Month Contract | Inside IR35 | Hybrid - London My client , a leading global investment bank is seeking an experienced Senior AI & Automation Technical Lead to join its Innovation & Engineering team. You'll be responsible for designing and delivering AI‑enabled automation solutions, with a focus on UiPath, intelligent document processing, and secure platform integration. The role includes building integrations across UiPath, Azure AI, Copilot Studio, and IDP technologies, developing POCs, and supporting enterprise architecture and security standards Experience Required Strong hands‑on experience with UiPath (dev + architecture) Background in AI‑driven automation using Azure AI / Microsoft AI services. Solid understanding of APIs, secure design, and integration patterns. Experience in regulated environments (banking preferred) Exposure to IDP/document automation tools (ideally Tungsten_ Please apply with your updated CV if the role is of...

Copello is recruiting for Systems Engineers to support a defence communications programme currently progressing between Critical Design Review (CDR) and qualification maturity on a contract basis. The successful candidates will be capable of leading and delivering individual sub-system work packages, while also contributing hands-on engineering effort to ensure timely completion of design, integration, and qualification activities. Key Responsibilities * Lead and execute assigned sub-system elements from post-CDR through to qualification readiness. * Own technical work packages, ensuring delivery to cost, schedule, and quality targets. * Contribute to overall system integration, ensuring coherent end-to-end solutions. Experience in one or more of the following areas is required across the team: * Datalinks * Integration of COTS datalink solutions * Repackaging activities including thermal management (e.g. heaters), environmental considerations, and...

Test Engineer 12 months Hybrid - x1 day in Croydon x4 remote £435 per day inside IR35 - Umbrella only Active SC clearance required Key skills: Write test scripts Proven experience as a Test Engineer, QA Engineer, or similar role Strong scripting or programming skills (e.g. Java, Python, JavaScript, C#, or similar) Hands-on experience with test automation tools/frameworks (e.g. Selenium, Cypress, Playwright, REST Assured, pytest, etc.) Experience testing APIs and services Familiarity with CI/CD tools (e.g. Jenkins, GitHub Actions, Azure DevOps) Solid understanding of software testing principles and SDLC Experience with defect tracking and test management tools (e.g. Jira, Azure DevOps) - Strong attention to detail and problem-solving skill

New Model/NPI Manufacturing Engineer (INSIDE IR35) About this Position Our Manufacturing Engineering team is expanding to support future growth plans. With new models come greater opportunities to develop and standardise processes that ensure every vehicle is built to the highest quality. This role is central to the success of manufacturing operations, overseeing the processes and complexities of building new models – from initial concept designs through prototypes into full series production. The position offers significant variety, with exposure to multiple projects and collaboration across concept design, engineering, and operations, giving the opportunity to influence projects from start to finish. Job Responsibilities * Create and develop deliverables for each new model introduction, including: * Vehicle assembly concept * Transition from virtual environment to physical validation and delivery * Process sequencing,...

Are you a Senior Document Controller with Supplier Document Management experience in the Oil and Gas industry? Certain Advantage are recruiting on behalf of our Engineering consulting client for a Senior Document Controller to work 5 days onsite in Surrey, operating inside IR35 for 12 months initially.     Under broad direction you’ll oversee and perform the full range of activities associated with document management work. You’ll be responsible for the development and execution of the document management plan and incorporating contractual requirements. You’ll guides and supervise personnel in the setup and execution of document management systems and processes as well as develop procedures and job notes. Other duties to include; Collaborates within the department, interfaces between functions, and with the Client to ensure that work processes are aligned. Ensure document management deliverable requirements are understood and achieved. Communicate/liaison with Project...

Job Title: Site Supervisor - Mechanical Salary: £400 to £450 (dependent on experience - Inside IR35) Location: Thames Region Type: Contract, site-based About the Role: Our client is looking to strengthen their Construction team with a Mechanical Site Supervisor. You will report directly to the M&E Manager/Lead Site Supervisor and be responsible for supervising and controlling all mechanical site activities efficiently, ensuring compliance with specifications, contract timelines, and health & safety regulations. You will also be responsible for delivering a high-quality installation with all Inspection & Test Records (ITRs) completed as the work progresses. Key Responsibilities: Support the Site Manager in maintaining a safe working environment for all employees, supply chain partners, and visitors. Ensure all relevant HS&E documents are correctly recorded, reviewed, and up to date. Carry out Mechanical Appointed Person duties. Maintain quality assurance...

We are seeking an experienced Senior/Principal Electrical (EC&I) Commissioning Engineer to support a major defence project at a secure, highly regulated site near Reading. This is a senior, site-based role requiring a high level of technical expertise, leadership, and experience in commissioning, testing, and assurance of electrical and control systems within safety-critical environments. Role: Senior/Principal Electrical (EC&I) Commissioning Engineer Location: Reading (site-based) Rate: £55-£70 per hour Inside IR35 (Based on year's experience) Employment Type: Contract 12 Months Key Responsibilities Lead and oversee the commissioning, testing, and validation of electrical and EC&I systems on a complex defence project and provide technical leadership and mentorship to junior commissioning engineers and site teams. Develop, review, and approve commissioning strategies, test procedures, and method statements, alongside supervising functional testing, fault finding, and...

Contract Software Engineer (Ada) – Real-Time Embedded Location: Luton (Hybrid – ~4 days on-site) Contract Length: 12 months IR35: Inside IR35 Rate: £57.72 p/h PAYE (£66.11p/h inc. holiday rate) OR £78.70 p/h Umbrella We seek an engineer with recent high-integrity or safety-critical industry experience (defence, aerospace, or similar), or eligible for UK security clearance. The Opportunity We’re looking for an experienced real-time embedded Ada engineer to work on mission-critical defensive systems within a highly technical electronic warfare environment. This is a hands-on role developing, integrating, and testing high-integrity software that directly supports operational capability. You’ll be trusted with complex problems, work closely with systems, hardware, and firmware teams, and play a key role across the full software lifecycle. What You’ll Do Design, develop, debug, and test real-time embedded software in Ada Own complex work packages from requirements through...

Automotive Quality Assurance Officer Aylesbury (1 Day Office, 1 Day WFH, 3 Days Travelling) £25.00 - £30.00per hour (Inside IR35 / Umbrella Company) 3 - 6 Month Contract (+ Extension or T2P) Monday - Friday / Days (37.5hours per week) Are you a Quality Assurance Officer from an Automotive background with a C1 Driving Licence, looking for your next immediately available, days based, long term contract role with the view to go permanent? My client is one of the UK's leading companies that specialise in Servicing, Repair & Maintenance work of Ambulances & Blue Light Vehicles. Based in Aylesbury, this organisation works to ensure that all emergency vehicles in the Oxfordshire, Berkshire, Hampshire & Buckinghamshire are operating at the highest level. In this role you will be working as a Quality Assurance Officer to ensure my clients fleet operations comply with all statutory requirements, regulations, and internal policies while leading quality control inspections...

Assembly Technician, Ware, Stanstead Abbotts up to £15p/hr doe (Inside IR35 contract) Hours - Monday-Thursday 8-5. Fridays 8-2.30 (but could change in 2026) contract until 22/5/26 Responsible for assembling parts and components to build mechanical or electrical products. Read and interpret engineering drawings, assemble parts and components accurately, test the assembled components and report any faults. Ensure that the products meet quality and safety standards. This role also involves testing, inspecting, troubleshooting, and repairing any issues that may arise. The successful Assembly Technician must be able to work safely and efficiently with hand tools, power tools, machinery, and other equipment. They must also possess excellent communication and problem-solving skills. Duties and responsibilities Assemble components in accordance with technical drawings. Test completed assemblies for correct operation. Perform basic maintenance on machinery and equipment. Identify and...

World Class Defence Organisation based in Stevenage and Bristol is currently looking to recruit a Systems Engineer subcontractor on an initial 6 month contract.  The department are looking for Systems Engineers ideally from the defence / aerospace background.  Previous experience of DOORS is required. Hourly Rate: £70.00ph (Umbrella).  Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Bristol or Stevenage (depending on your preference) Hybrid / Remote working: The role will likely be onsite 2-3 days per week (this could reduce once up to speed in the role). A 4 day working week is OK (Monday to Thursday).  Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Airborne Launcher Functional Systems Engineer Job Description: Analyse high level design documentation to elaborate and capture...

World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit a High Speed Digital Design Engineer subcontractor.   Rate: £58.00 - £80 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: The role can be a mix of onsite and remote working 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   Job Description: As part of a large team of analogue and digital electronics design engineers, you will be responsible for the electronics design and development of high speed MPSoC FPGA and AI hardware solutions targeting SDR, radar signal processing and sensor fusion applications. As Digital Design Engineer you will support the Technical Lead/Architect in collaboration with the systems, software, firmware, mechanical and...

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...

World Class Defence Organisation based in Stevenage and Bolton is currently looking to recruit a UK Environmental Sustainability Lead.   Rate: £70.00 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 be a mix of onsite (likely 3 days per week) and remote working 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   UK Environmental Sustainability Lead Job Description:   Defence is necessary for peaceful prosperity. By doing business responsibly, the company supports their people, local communities and our planet. The company has a Strategy for ESG, Sustainability and Social Value, and is seeking an experienced and practical environmental professional, to lead delivery and reporting of...

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...

World Class Defence Organisation based in Stevenage is currently looking to recruit a Safety Engineer Subcontractor on an initial 12 month contract.  (The role will be split of working Onsite and Working From Home).    Contract Duration: 12 Months (initially and then ongoing thereafter) Hourly Rate: £80ph (Umbrella) Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: The role will be 2-3 days per week onsite and 2-3 days working from home. 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.   Safety Engineer Job Description: An opportunity has arisen for an engineer to exploit their safety engineering skills to influence the safety aspects of one of our technically complex products. While exploring the boundaries of best practice, this will involve...