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Contractor 27
Engineering Inside IR35 senior engineer

27 senior engineer jobs found

CL
Aug 19, 2026  
Senior Engineer
Senior Engineer Aviation | Night Shifts | Freelance | Inside IR35   Are you a Senior Engineer with genuine main contractor experience, strong setting-out/site delivery knowledge and the right tickets to take ownership of night-shift works?   We're currently looking for an experienced Senior Engineer to join a long-term freelance project within an aviation environment, working full-time nights through to the end of the year.   THE OPPORTUNITY  This is a great opportunity for a Senior Engineer who is comfortable working on night shifts and has a proven track record of delivering works for a main contractor.   You'll be working as part of an established delivery team, helping ensure works are completed safely, accurately and to programme throughout the night.   The role is expected to run through to the end of 2026, offering excellent continuity for the right candidate.   WHAT YOU'LL NEED To be considered, you'll need: - Proven Senior Engineer experience within a main...
IR35 Status:
Inside IR35

CV-Library Greater London, UK Contractor
CL
Aug 19, 2026  
Senior Project Engineer - Rotary Piling
Senior Project Engineer – Rotary Piling Location: Central London Rate: £400–£500 per day (Inside IR35) Duration: Minimum 6 months Start Date: Immediate Carmichael UK are seeking an experienced Senior Project Engineer to join a major infrastructure project in Central London. This is an excellent opportunity for a skilled engineering professional with specialist expertise in rotary piling and complex ground conditions to play a key role on a high-profile civils scheme. Key Responsibilities Oversee and manage rotary bored piling operations, ensuring works are delivered safely, efficiently and to specification. Manage support fluid (polymer) systems, including quality control procedures and compliance with project-specific quality plans. Monitor and inspect piling and diaphragm wall activities throughout the construction process. Carry out or oversee pile shaft and diaphragm wall panel inspections prior to concreting using technologies such as Sonic Caliper and Koden...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Aug 16, 2026  
Senior project engineer
Senior Project Engineer Location: London Rate: £400 per day (Inside IR35) Duration: Long-term Contract Sector: Rail Infrastructure About the Role Carmichael UK is seeking an experienced Senior Project Engineer to join a major rail infrastructure project in London. This is an excellent opportunity to become part of a high-profile programme of works, delivering complex engineering solutions within a multidisciplinary project environment. Working for a leading Tier 1 delivery partner, you will play a key role in coordinating engineering activities, managing technical interfaces, and ensuring the safe and efficient delivery of rail infrastructure works. Responsibilities Lead and coordinate engineering activities across defined work packages. Ensure works are delivered in compliance with design specifications, project requirements, and Network Rail standards. Manage technical queries, RFIs, temporary works, and engineering documentation. Coordinate with site teams,...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Aug 14, 2026  
Senior Control Systems Verification Engineer
AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future-ready workplaces. We help organisations adapt, grow, and thrive in an ever-evolving world by building, shaping, and optimising diverse talent strategies. Our Contingent Workforce Solution (CWS) is one way we support our clients. Acting as an extension of their recruitment teams, we connect them with skilled interim and temporary professionals, fostering workplaces where everyone can contribute and succeed. On behalf of our globally respected client who develop cutting-edge technologies that deliver clean, safe and competitive solutions to meet the planet's vital power needs we are looking for a Senior Control Systems Verification Engineer for a 12 month contract based in Derby or Solihull (hybrid) Purpose of the role: As a Senior Control Systems Verification Engineer, you will work closely with systems, software, hardware, and certification teams to define verification strategies,...
IR35 Status:
Inside IR35

CV-Library Derby, Derbyshire Contractor
CL
Aug 13, 2026  
Senior Mechanical Auxiliaries Engineer
12 Month Contract Rate open to negotiation (Inside IR35) Hybrid Working – 1 – 2 days per week on site with some flexibility as the contract progresses Job Role: The Senior Auxiliary Engineer will support the design, integration, and technical assurance of various auxiliary 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 marine/auxiliary systems experience is essential to ensuring system reliability and capability across the platform. Key Responsibilities: Preparing specifications, develop Stage 1 Auxiliary System design solutions in line with specifications and all quality and technical standards. Support and participate...
IR35 Status:
Inside IR35

CV-Library Glasgow, UK Contractor
CL
Aug 12, 2026  
Senior Manufacturing Engineer - NC Programmer
Join a world-renowned aerospace organisation as a Senior Manufacturing Engineer NC Programmer in Samlesbury full time onsite Due to a drive for greater success, this advanced manufacturing business is currently searching for Senior Manufacturing Engineer NC Programmer to add to their talented, hardworking team in Samlesbury on an initial 12 months contract. Striving for innovation and creativity you can ensure no two days will be the same. The rate per hour: £33.24 per hour inside IR35 / umbrella The role: * Working to relevant project and business standards, carrying out modifications & improvements to Hard & Soft metal NC programs to required quality and timeframe. * Create new NC programs for Hard & Soft metal components to required quality and timeframe. * Providing Build Line Support and rectification for tape prove activities for any new or modified programs delivered. Integrating and collaborating across multiple manufacturing teams to ensure aligned...
IR35 Status:
Inside IR35

CV-Library Blackburn, Lancashire Contractor
CL
Aug 19, 2026  
Principal Bridge Engineer
We’re looking for an experienced Senior or Principal Bridge Engineer to take ownership of critical packages of work for bridges and structural projects. This hybrid role is based from Birmingham, Reading, Leeds, or Manchester, with the flexibility to travel to sites as required. If you’re a Chartered Engineer with hands-on experience in bridge design and post-tensioning projects, this is an excellent opportunity to lead high-profile initiatives. Salary Inside IR35 – Initial 6–12 month contract. Location and Working Pattern Hybrid working from Birmingham, Reading, Leeds, or Manchester offices, with site travel as required for National Highways PTSI programmes, including night and day shifts. Client Overview Our client is a leading engineering consultancy with a strong reputation for delivering innovative solutions to complex infrastructure challenges. Responsibilities Lead the delivery of small to medium work packages, including inspection, assessment, design, and renewal...
IR35 Status:
Inside IR35

CV-Library Manchester, UK Contractor
CL
Aug 19, 2026  
Package Manager - Waste Engineering
Package Manager - Waste Engineering Culham, Oxfordshire | Hybrid (3 Days On Site) £55-£60 per hour | Inside IR35 | 12-Month Contract Lead Waste Engineering on One of the UK's Most Innovative Decommissioning Programmes We're looking for an experienced Waste Engineer or Package Manager to play a pivotal role in the JET Decommissioning and Repurposing (JDR) Programme. This is an exciting opportunity to lead waste engineering activities across complex nuclear decommissioning packages, helping to safely decommission facilities, plant systems and major components while ensuring full compliance with environmental and regulatory requirements. If you have a background in radioactive waste management, waste characterisation or nuclear decommissioning and want to work on a nationally significant programme, we'd love to hear from you. The Role As Package Manager - Waste Engineering, you'll take ownership of waste engineering activities throughout the project lifecycle, developing waste...
IR35 Status:
Inside IR35

CV-Library Abingdon, Oxfordshire Contractor
CL
Aug 14, 2026  
UFT Test Engineer
UFT Test Engineer Location: Wokingham (5 days per week onsite, might consider Hybrid 2/3 days a week) Contract Length: 12 months Day Rate: £340 per day (Inside IR35) We are seeking an experienced UFT Test Engineer to join a long-term transformation programme. This is an excellent opportunity for a senior automation testing professional with strong Unified Functional Testing (UFT) and VBScript experience to work on complex enterprise applications. The successful candidate will be responsible for designing, developing, and maintaining automation frameworks, creating robust test scripts, and supporting continuous testing practices across multiple projects. Key Responsibilities: * Design and develop automation frameworks using UFT (Unified Functional Testing). * Create, maintain, and execute automation scripts using VBScript. * Integrate automated test suites into CI/CD pipelines using tools such as Jenkins or Azure DevOps. * Lead automation testing activities across...
IR35 Status:
Inside IR35

CV-Library RG41, Winnersh, Wokingham Contractor
CL
Aug 14, 2026  
Site Agent
Site Agent - Water/Wastewater Treatment Positions Location: Bolton Rate: Up to £500 per day - Umbrella PAYE/Inside IR35 Duration: 12 months+/ongoing Sector: Wastewater Treatment The main contractor of a key United Utilities portfolio is seeking an experienced Site Agent to lead the delivery of a key Water & wastewater improvement projects in the Lancashire region This portfolio forms part of United Utilities investment in upgrading critical treatment infrastructure to improve environmental performance and resilience across the region. As Site Agent, you will be responsible for leading the on-site delivery of works, ensuring safety, quality, and programme targets are consistently achieved. Key Responsibilities ·Lead site health, safety, and environmental management - including preparation and approval of RAMS, management of permits to work, control of confined space entry, and implementation of isolations on live assets. ·Deliver daily site briefings, toolbox talks,...
IR35 Status:
Inside IR35

CV-Library Bolton, UK Contractor
CL
Aug 19, 2026  
Setting Out Site Engineer
Site Engineer (Setting Out) – Major Civil Engineering Project Location: Plymouth Contract: Long-term / Freelance (Inside IR35) or Permanent Security Clearance: Required – applicants must be UK Nationals Overview Carmichael UK has a fantastic opportunity for Site Engineers with strong setting-out experience to join a long-term civil engineering project in Plymouth. This is an excellent opportunity to work within a well-established delivery team on a variety of civil engineering works, playing a key role in the accurate and safe delivery of site activities. The role covers both self-delivered and subcontracted works. The Role As a Site Engineer, you will be responsible for day-to-day engineering activities on site, with a strong emphasis on setting out and dimensional control. You will support and mentor junior engineers where required and provide technical input across multiple areas of delivery. You will contribute to: RAMS Temporary Works briefs ITPs Weekly progress...
IR35 Status:
Inside IR35

CV-Library Plymouth, UK Contractor
CL
Aug 19, 2026  
Electrical Engineer
Role: Electrical Engineer Rate: to be discussed on application Location: Crewe Contract: 6 months (potential for extension) Role Summary This role is responsible for the end-to-end design, development, validation and ongoing support of Electrical and Electronic (EE) systems within a systems engineering environment. Working collaboratively across engineering teams and wider group counterparts, the successful candidate will deliver technical solutions that meet project timing, cost and quality objectives while ensuring compliance with regulatory and company standards. Role & Responsibilities of an Electrical Engineer Develop and maintain a high level of technical expertise in Electrical and Electronic (EE) systems. Work collaboratively with peers across engineering functions and wider group counterparts. Take ownership of assigned electrical and electronic components, including ECUs and sensor elements. Operate within a systems engineering environment using a...
IR35 Status:
Inside IR35

CV-Library Crewe, UK Contractor
CL
Aug 19, 2026  
Temporary Works Coordinator
Temporary Works Coordinator – RAF Brize Norton – 4 Month Contract – Inside IR35 Temporary Works Coordinator (TWC) RAF Brize Norton, Oxfordshire We are seeking an experienced Temporary Works Coordinator (TWC) to join a specialist site team on a 4-month borehole investigation project at RAF Brize Norton. This is an excellent opportunity for a Temporary Works professional with a strong background in civil engineering, geotechnical works, ground investigation, drilling, or infrastructure projects to support the safe planning, coordination, and implementation of temporary works activities on a high-profile defence sector scheme. Key Responsibilities Coordinate all temporary works activities in accordance with BS 5975. Ensure temporary works are properly designed, reviewed, approved, and implemented. Maintain the Temporary Works Register and associated documentation. Liaise with site management, engineers, designers, and subcontractors. Monitor compliance with temporary...
IR35 Status:
Inside IR35

CV-Library Oxford, UK Contractor
CL
Aug 19, 2026  
Cassandra Database Engineer (NoSQL)
Cassandra Database Engineer Location: London (1 - 2 days per week onsite) Contract Length: 6 Months initially Daily Rate: Up to £730 (inside IR35 via umbrella) Are you a passionate Cassandra Database Engineer looking to make a significant impact in the financial technology landscape? Our client, a leading organisation in the banking sector, is seeking a talented individual to join their Financial Crime Technology team! This is a fantastic opportunity to utilise your NoSQL expertise in a fast-paced environment and contribute to enhancing fraud detection capabilities. Key Responsibilities: Design & Implement: Craft Cassandra keyspaces, data models, and cluster architecture tailored for a high-throughput fraud detection platform. Collaborate: Work closely with application and middleware teams, ensuring seamless data integration and alignment with business goals. Optimise: Take ownership of keyspace design, performance tuning, and operational readiness of the data platform....
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Aug 15, 2026  
D&R engineer / ADAS Application Engineer Lead
D&R Engineer / ADAS Application Engineer Location: Dunton, Basildon, Essex (4 days onsite per week) Rate: £30.18 per hour Umbrella (Inside IR35), increasing to £39.55 per hour after 13 weeks Contract: Initially until the end of 2026, with potential extensions into 2027 Hours: 37.5 hours per week Please note a UK Driving Licence is essential to apply. D&R Engineer / ADAS Application Engineer Lead wanted to support the development and delivery of Advanced Driver Assistance Systems (ADAS) across European EV and Commercial Vehicle programmes. This is an excellent opportunity to work on cutting-edge vehicle technologies, supporting feature development, systems integration, testing, validation and programme delivery within a leading global automotive manufacturer. Key Responsibilities * Lead engineering activities supporting programme milestones and gateways. * Support the development and delivery of ADAS technologies. * Manage supplier deliverables and...
IR35 Status:
Inside IR35

CV-Library SS15, Laindon, Essex Contractor
CL
Aug 15, 2026  
CS&A Engineer
Principal CS&A Engineer Location: Warrington 2/3 days per week in office Contract: 12 months Rate: £65 per hour, Inside IR35 Are you an experienced Principal Civil, Structural and Architectural Engineer looking to play a key role on a major nuclear project? This is an excellent opportunity to support the delivery of complex civil, structural and architectural design work within a highly regulated environment. You will work alongside a skilled multidisciplinary team, providing technical leadership while helping to deliver safe, compliant and high-quality engineering solutions. Your responsibilities will include: ·Producing and reviewing calculations, drawings, assessments, specifications and technical reports ·Delivering civil and structural designs for steel, concrete and masonry structures ·Ensuring designs comply with current codes, standards and CDM requirements ·Providing technical leadership, coaching and mentoring to junior team members ·Working independently...
IR35 Status:
Inside IR35

CV-Library Warrington, UK Contractor
CL
Aug 15, 2026  
Network Engineer - Wireless, Meraki, Multisite
Network Engineer - Wireless, Meraki, Multi-site Up to £550 per day (Inside IR35) Hybrid / London 6 months My client is an instantly recognisable brand who urgently require a Network Engineer to design, optimise, and troubleshoot Enterprise Wireless Networks across multiple sites. The role focuses on ensuring secure, non-performance connectivity and excellent end‑user experience. Key to this role is size, scale and complexity of deployments and a track record of delivering across complex, multi-site organisation(s). Key Requirements Proven experience as a Network Engineer within large, complex multi-site organisations Strong knowledge of enterprise Networking technologies and best practices Familiarity with Cisco, Aruba, Meraki or similar vendors Hands‑on experience producing and delivering low level Network designs Proven track record troubleshooting and resolving live Network issues Experience working on large scale Network transformation or modernisation initiatives...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Aug 14, 2026  
Chassis Dyno Engineer
Position: Chassis Dyno Engineer    Location: Warwick Position Type: Rolling contract Inside IR35 Salary: £28.43 per hour umbrella inside IR35 About the company I am currently recruiting on behalf of a Luxury Automotive OEM based in Gaydon who are seeking a Chassis Dyno Engineer to join their team on a rolling contract basis working 40 hours per week Based inside IR35 Job Description This role provides a hands‑on opportunity to support the operation of the Environmental Chassis Emissions Dynamometer at the APRL facility, based at Warwick University. Reporting to the Test Preparation Engineer, you will be responsible for the end‑to‑end execution of chassis dyno testing activities Experience in chassis dynamometer or engine test facility operation, including vehicle installation, test execution, and post‑test activities Practical experience with vehicle preparation and instrumentation, including sensor setup, thermocouples, emissions measurement systems, and data acquisition...
IR35 Status:
Inside IR35

CV-Library Charlecote, Warwick, UK Contractor
CL
Aug 14, 2026  
Sub Agent
Exciting Opportunity for a Sub Agent in the Water/Wastewater Industry Role: Sub Agent Location: Bolton Rate: Up to £550 per day DOE - Inside IR35/Umbrella PAYE Duration: 12 Months+ Sector: Wastewater Non-Infrastructure About the business Join a dynamic Tier 1 contractor at the forefront of the water industry, currently delivering major projects across the United Utilities framework. Due to continued growth and a strong pipeline of AMP8 work, an exciting opportunity has arisen for an experienced Sub Agent to support the successful delivery of wastewater and water treatment projects across the Lancashire region. This contractor is recognised for embracing innovation and digital engineering, investing heavily in modern construction technologies, BIM and digital delivery systems to improve project performance. If you're looking to join a forward-thinking business that is leading the way in technology and project delivery, this is an opportunity not to be missed. Key...
IR35 Status:
Inside IR35

CV-Library Bolton, UK Contractor
CL
Aug 14, 2026  
Manufacturing Engineer
Manufacturing Engineer Basildon 12-Month Contract Paying up to £48p/h (Inside IR35) Key Responsibilities Develop and optimise manufacturing processes, methods, and equipment Support product transition from design into production Analyse production data, costs, and schedules to inform decisions Resolve complex production issues and improve shop floor performance Drive efficiency through capacity planning, workflow, and layout improvements Ensure product quality through validation, verification, and process control Maintain manufacturing documentation and production data Lead and contribute to continuous improvement initiatives Support failure investigations using structured problem-solving methods (e.g. 8D) Mentor junior engineers and collaborate with cross-functional teams Essential: Degree in Engineering or equivalent experience Strong understanding of manufacturing processes and principles Ability to analyse data and influence decisions Experience across the product...
IR35 Status:
Inside IR35

CV-Library Basildon, Essex Contractor
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