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Contractor 35
Outside IR35 senior project engineer

35 senior project engineer jobs found

CL
Sep 19, 2026  
Senior Project Engineer (Train Systems)
Senior Project Engineer / Project Engineering Manager - outside IR35 Freight ETCS | Derby | Rail We are looking for a Senior Project Engineer / Project Engineering Manager to join a major Freight ETCS programme, providing technical direction and support to Project Engineers working across the project. The Freight ETCS project supports the rollout of ETCS Onboard solutions across the UK freight locomotive fleet, with locomotives at different stages of the project lifecycle. This includes design, first-in-class installation, fleet production and type testing. This is an opportunity to play an important role within the ETCS Onboard Engineering team, helping to ensure engineering activities and deliverables are understood, planned and delivered in line with project requirements and schedules. Key Responsibilities * Play a lead role within the ETCS Onboard Engineering team, ensuring project-related engineering deliverables are understood and implemented in line with project...
IR35 Status:
Outside IR35

CV-Library Derby, Derbyshire Contractor
CL
Sep 03, 2026  
Senior Mechanical / Project Engineer
Senior Mechanical Project Engineer – Contract – West Wales / Hybrid This is an excellent opportunity to join a leading engineering business during a period of continued growth as they support the hydrocarbon and clean energy sectors. The role requires a Mechanical and Piping discipline background but also strong Project Engineering skills. Needs a person who is comfortable with both the design and co-ordination aspects of energy projects. Our client is based in West Wales and can accommodate a hybrid working pattern. This role is deemed to be outside IR35. Role & Responsibilities * Interact with Mechanical Package vendors, ensuring compliance with agreed design standards and requirements. * Responsible for bid evaluation and negotiation of vendors for Mechanical and Piping packages. * Also accountable for design specification management throughout the project design phase. * Participate in relevant meetings such as Design Reviews, Model Reviews and HAZIDs. *...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Sep 19, 2026  
Senior Design Engineer
Senior Design Engineer Location: Edinburgh Contract Type: Contract | Outside IR35 We have a Senior Design Engineer opportunity with a leading Tier 1 contractor delivering major infrastructure and non-infrastructure projects across the UK water sector. The role focuses on the design and delivery of water and wastewater schemes, including pipelines, pumping stations, treatment facilities, and associated civil engineering assets. You will play a key role within the Engineering Design Team, supporting the delivery of water and wastewater infrastructure and non-infrastructure projects. Working closely with Principal Engineers, Design Managers, Design Leads, and multidisciplinary teams, you will help deliver high-quality, compliant, and innovative engineering solutions. You will: Deliver civil engineering designs for water and wastewater projects in accordance with project requirements, industry standards, and health and safety regulations. Produce and review design calculations,...
IR35 Status:
Outside IR35

CV-Library Edinburgh, UK Contractor
CL
Sep 19, 2026  
Senior Design Engineer
Senior Design Engineer Location: Glasgow Contract Type: Contract | Outside IR35 We have a Senior Design Engineer opportunity with a leading Tier 1 contractor delivering major infrastructure and non-infrastructure projects across the UK water sector. The role focuses on the design and delivery of water and wastewater schemes, including pipelines, pumping stations, treatment facilities, and associated civil engineering assets. You will play a key role within the Engineering Design Team, supporting the delivery of water and wastewater infrastructure and non-infrastructure projects. Working closely with Principal Engineers, Design Managers, Design Leads, and multidisciplinary teams, you will help deliver high-quality, compliant, and innovative engineering solutions. You will: Deliver civil engineering designs for water and wastewater projects in accordance with project requirements, industry standards, and health and safety regulations. Produce and review design calculations,...
IR35 Status:
Outside IR35

CV-Library Glasgow, UK Contractor
CL
Sep 18, 2026  
Senior Mechanical Engineer
Senior Mechanical Design Engineer  Contract type: Contract Scope: Outside IR35 Location: Manchester Industry: Water Purpose of the Role We are working with a specialist engineering consultancy providing design and infrastructure support across the rail and utilities sectors. The organisation supports projects from early design through to installation, delivering safe and efficient solutions on complex infrastructure programmes. The Senior Mechanical Design Engineer will be responsible for managing the quality and technical delivery of mechanical engineering designs within water industry projects. The role involves producing design deliverables, supporting multidisciplinary teams, and ensuring designs meet required safety, quality, and technical standards. Key Responsibilities Produce mechanical engineering design deliverables that meet safety, quality, and regulatory requirements. Develop design calculations and drawings for water industry projects. Support and guide CAD...
IR35 Status:
Outside IR35

CV-Library Manchester, UK Contractor
CL
Sep 18, 2026  
Structured Cabling Engineer
Structured Cabling Engineer Guildford (Commutable from: Aldershot, Farnham, Godalming, Woking, Fetcham, Dorking, Leatherhead, South West London, Camberley, Bracknell and surrounding areas) Outside IR35 Day Rate: £300 per day Hours: 07:30 - 16:30 | 40 hours per week Contract: 8 Months+ Are you an experienced Structured Cabling Supervisor / Lead Engineer looking to oversee a major infrastructure project in Guildford? You'll be responsible for supervising site teams and subcontractors, overseeing the installation and testing of copper and fibre networks, and ensuring work is delivered safely, on time and to the required standards. The employer are a successful UK base Telecoms / Data Network provider working on a huge and multi-million prestige projects. This is a static role across a Monday - Friday days basis with long-term contract stability and potential for extension. If you are a Senior Cabling Engineer / Supervisor looking for a long-term contract, please click...
IR35 Status:
Outside IR35

CV-Library Guildford, Surrey Contractor
CL
Sep 15, 2026  
Senior Civil Structural Engineer
Senior Civil & Structural Engineer Location: Remote - occasional site/office visits on an ad-hoc basis Rate: Up to £55 per hour (Outside IR35) Contract: 6 months initially, with a view to extend Start: ASAP We are recruiting a Senior Civil & Structural Engineer to join a multi-disciplinary engineering team supporting the delivery of major projects within a highly regulated environment. This is a predominantly remote-working position, with occasional travel required for site visits, design reviews and client meetings. The Role As a Senior C&S Engineer, you will be responsible for delivering civil and structural engineering solutions, including analysis, calculations, reports and technical specifications. You will also work closely with BIM teams to ensure designs are communicated effectively and collaborate with other engineering disciplines and construction teams throughout project delivery. The role will also involve supporting and mentoring more junior...
IR35 Status:
Outside IR35

CV-Library Manchester, Greater Manchester Contractor
CL
Sep 12, 2026  
Senior Structures Engineer
Senior Structural Engineer Location: Leicester (Hybrid - minimum 3 days per week in office) Rate: £40-£50 per hour Contract Length: Ongoing contract opportunity IR35 Status: Outside IR35 Hours: 37.5 hours per week Are you a Senior Structural Engineer looking for your next contract opportunity? We're working with an established building structures consultancy that is looking to strengthen its design team with an experienced Senior Structural Engineer in Leicester. This is an excellent opportunity for a technically strong engineer who can hit the ground running and take responsibility for delivering structural design projects from day one. You will be working on a varied portfolio of building projects, providing detailed design solutions across residential, commercial and mixed-use developments. The role requires regular office presence, with a minimum of three days per week in the Leicester office, supporting collaboration with the wider engineering team, design...
IR35 Status:
Outside IR35

CV-Library Leicester, UK Contractor
CL
Sep 12, 2026  
Junior Project Manager
Junior Project Manager – Engineering Bristol – Hybrid 12-Month Contract £26 per hour Outside IR35 We are currently recruiting for a Junior Project Manager to support a major engineering programme based in Bristol. This is a 12-month contract opportunity operating on a hybrid basis and would suit someone with an engineering background who has experience supporting complex projects and working with multidisciplinary teams. Key Responsibilities: * Coordinate engineering activities to support operational readiness * Work closely with Project Managers, Engineers and external stakeholders * Monitor engineering issues and escalate potential risks where required * Support the resolution of technical and project-related issues * Provide project progress updates and technical information to senior stakeholders * Coordinate activities across engineering, logistics, maintenance and supply chain teams * Support continuous improvement initiatives across quality and...
IR35 Status:
Outside IR35

CV-Library Bristol, City of Bristol Contractor
CL
Jun 29, 2026  
Senior Electrical Design Engineer
Great opportunity to work with this leading international Consulting Engineers who are looking to bring on board a driven and experienced Senior Electrical Design Engineer, Outside IR35, to be an active part of a specialist design team consultancy to work on a variety of Hyper scale Data Centre projects. Key Responsibilities:- Create electrical design drawings and specs for Data Centre Projects. Ensure designs meet all standards and regulations. Support sustainable design and use of innovative tech Work closely with colleagues, clients, architects, and contractors.. Manage project deadlines, budgets, and deliverables. About you: You should hold Degree (or historic equivalent) in Electrical Engineering or related field.- Should have extensive experience in Mission Critical design and building services design, specifically on data centres.- Sound knowledge of British Standards and building regulations.- Strong communication skills.-. Your expert recruitment consultant is...
IR35 Status:
Outside IR35

CV-Library City of London, London Contractor
CL
Jun 28, 2026  
Senior HVAC Design Engineer
Data Centres are crucial components of today's infrastructure, supporting everything from business to public services. The Opportunity Join our international and multidisciplinary team of passionate design engineers and help us create high-quality, sustainable, and innovative data centre structures. You will work on medium to large-scale mission-critical projects, covering all stages of design - from concept to construction supervision and handover. As a Senior Mechanical Engineer your role will be as part of an interdisciplinary team lead the design of mechanical systems (Building servies and cooling) on medium to large-scale Mission Critical projects through all design stages from Concept to Construction Supervision and Hand-Over Lead the preparation and review of design deliverables Lead projects and work closely with our data centre clients to deliver quality work to meet their specific needs Present technical content for review by technical and non-technical...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 16, 2026  
Senior Electrical Design Engineer
An excellent opportunity has arisen for an experienced Electrical Design Engineer to join a well-established building services consultancy in London on an contract basis outside IR35. This hybrid role will involve working as part of a multidisciplinary building services engineering team, supporting the delivery of electrical design solutions across a range of building projects. The successful Electrical Design Engineer will contribute to the development of electrical building services designs, technical documentation and coordinated BIM models. This role is based in the London office with hybrid working available, offering the chance to work on high-quality building services projects alongside experienced engineers and consultants. Key Responsibilities · As an Electrical Design Engineer, your responsibilities will include: · Producing electrical building services designs for a variety of building projects · Developing electrical schematics, layouts and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Sep 19, 2026  
Full Stack Developer (React / C# .NET)
Senior Full Stack Developer (React / C# .NET) Contract: Initial 3-Month Engagement (Long-Term Programme) IR35 Status: Outside IR35 Location: Hybrid Working - Approximately 1 day per week in Birmingham (flexible based on project requirements) Rate: £500 per day Outside IR35 Overview We are seeking experienced Senior Full Stack Developers to join a major business transformation programme focused on modernising platforms, data capabilities, and core business processes. This is an opportunity to play a key role in the design, development, and delivery of enterprise-scale solutions, working across both front-end and back-end technologies while contributing to data migration, integration, and technical design activities. The successful candidates will be strong engineers with deep expertise in React and C#/.NET, capable of operating across the full technology stack and collaborating closely with Product Owners, Business Analysts, Architects, and Testing teams within an Agile...
IR35 Status:
Outside IR35

CV-Library Birmingham, West Midlands Contractor
CL
Sep 19, 2026  
AI Solutions Engineer | SC Cleared (Active/Lapsed) | Outside IR35 | Remote | £450 - 600pd
AI Solutions Engineer | SC Cleared (Active/Lapsed) | Outside IR35 | Remote | £(Apply online only)pd We are supporting a growing technology consultancy delivering AI, automation and digital transformation projects across enterprise and public sector environments. An immediate requirement exists for an experienced AI Solutions Engineer to support a number of high-profile programmes focused on intelligent automation, digital innovation and emerging technologies. This is an initial contract opportunity with strong potential for extension and involvement in longer-term project work. Key Details Outside IR35 Rate negotiable Predominantly remote working Immediate start available Initial 3 month contract with potential for long-term project extensions SC Clearance essential (Active/Lapsed)Responsibilities Design, develop and deploy Microsoft Copilot Studio agents, including conversational, autonomous and multi-agent solutions Evaluate client requirements and determine the right...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Sep 19, 2026  
Maintenance Engineer - OUTSIDE IR35 - Manufacturer
Contract Maintenance Engineer - Hatfield Hertfordshire (Outside IR35) Rate: £37ph Outside IR35 LTD or Umbrella Hours:8-hour shifts - Monday to Friday and overtime Length: 6 months Start: ASAP About the Role We're looking for an experienced Contract Maintenance Engineer to join a manufacturer in Hatfield. This is a hands-on a contract where you'll keep high-speed production lines running smoothly in a modern, well-invested site. Why Apply? Outside IR35 6 month contract Supportive team with good feedback from current engineersKey Duties Preventive and reactive maintenance of machinery Working 8 hour rotation shifts, mornings, afternoons, nights. Mechanical/electrical fault finding and repairs Work on conveyors and automated production equipment Minimise downtime and support continuous improvementWhat We're Looking For Mechanical or Electrical qualification (Apprenticeship / NVQ / C&G) Hands-on experience as a Maintenance Engineer in manufacturing Multi-skilled...
IR35 Status:
Outside IR35

CV-Library Hatfield, Hertfordshire Contractor
CL
Sep 18, 2026  
Quality Engineers
Quality Engineer - Carbon Capture Project (RC Structures) – Freelance Outside IR35 Location: North East, UK Sector: Carbon Capture & Energy Infrastructure Employer: Leading RC Structures & Civil Engineering contractor The Opportunity We are recruiting experienced Quality Engineers to join a specialist reinforced concrete structures subcontractor delivering a major Carbon Capture project. This is an excellent opportunity to work on one of the UK's most significant low-carbon infrastructure developments, ensuring the highest standards of quality assurance, compliance and technical excellence throughout project delivery. The successful candidate will play a key role in implementing project quality procedures, managing inspection and test plans, reviewing construction documentation and ensuring works are completed in accordance with specifications, industry standards and client requirements. Key Responsibilities Implement and maintain project Quality Assurance...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Sep 17, 2026  
Senior Electrical Design Engineer
Senior Electrical Design Engineer UK Nationals Only (UK Defence Contract) Circa £400/day Ltd (outside IR35)   Join us as a Senior Electrical Engineer on an exciting major projects (Hospitals, Military, Data Centres, Prisons) You'll play a key role in delivering multiple electrical aspects across power engineering led projects consisting of High Voltage, Low Voltage, Generation, Fire Alarms, Security, Lighting etc..  This is an opportunity to work collaboratively with our design partners and supply chain to create innovative solutions that meet our client's requirements whilst maintaining the highest health, safety, and environmental standards. What will you be responsible for? As a Senior Electrical Engineer, you'll be working within the Design/ Delivery team, supporting them in delivering integrated electrical engineering solutions from inception to completion. Your day to day will include: Leading electrical engineering delivery for multiple schemes, collaborating with Tier 2...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Sep 17, 2026  
Commissioning Planner
Commissioning Planner – Primavera P6 Location: Glasgow Contract: Initial 6 months IR35: Outside IR35 Sector: Manufacturing Role Type: Contract The Opportunity Our client is looking for an experienced Commissioning Planner to support the commissioning and start-up phase of a pharmaceutical manufacturing facility in the Glasgow area. This is a hands-on Commissioning Planner role requiring strong Primavera P6 capability combined with practical experience of commissioning, completions and handover activities within a regulated manufacturing, pharmaceutical, biotechnology, chemical or process environment. The successful Commissioning Planner will work closely with commissioning, engineering, construction, validation and project controls teams to develop, maintain and challenge the commissioning schedule through to operational readiness and handover. Commissioning Planner key Responsibilities Develop, maintain and update detailed commissioning schedules using Primavera P6....
IR35 Status:
Outside IR35

CV-Library Glasgow, UK Contractor
CL
Sep 17, 2026  
Site Engineer
Exciting Opportunity for a Site Engineer in the Water/Wastewater Industry Role: Site Engineer Location: Manchester Rate: Up to £450 per day DOE - LTD Company/ Outside IR35(Must provide own TS16, GPS and other relevant equipment) Duration: 12 Months+ Sector: Wastewater Non-Infrastructure About the business Join a dynamic contractor at the forefront of the industry, currently spearheading projects within the United Utilities Water framework. Our commitment to excellence has opened up an exciting opportunity for a talented Site Engineer to contribute to upcoming development works linked to Wastwater/Water treatment works in 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 work for a business that is pushing the boundaries of technology within the sector, this is an opportunity not to...
IR35 Status:
Outside IR35

CV-Library Greater Manchester, UK Contractor
CL
Sep 17, 2026  
Senior Structural Engineer - Contract
Senior Structural Engineer (Contract) Sevenoaks £44.00-£48.00 per hour (Outside IR35) Are you immediately available and seeking a contract role in the Sevenoaks area? Please get in touch as our client will bring you in immediately! This innovative practice is looking for an experienced structural engineer at senior level to join their building structures team on a long-term contract basis. Requirements: At least 5 years' experience working on building structures projects at senior level Able to manage own workload Working knowledge of UK design and construction standards Proficiency in Tekla an advantage Able to prepare calculations and design in all traditional materials Chartered or near Your workload will be varied but projects include high-end residential, leisure, commercial, data centres and more, up to multi million pounds in value. Good communication skills are vital and the ability to "hit the ground running!" On offer is hybrid working, with 1 or 2 days in the...
IR35 Status:
Outside IR35

CV-Library Sevenoaks, Kent Contractor
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