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Engineering Inside IR35 senior project engineer

34 senior project engineer jobs found

CL
Jul 01, 2026  
EC&I Senior Project Engineer
Job title: EC&I Senior Project Engineer Job Type: Contract IR35 Status: Inside IR35 Start date: ASAP Duration: 12 Month Pay rate: Depends on experience Location: Malton Hybrid/Remote Working: Onsite Hours of work: 37 hours Role information: A senior-level engineer responsible for delivering safe, compliant, and effective engineering solutions for complex industrial projects. The role involves leading the engineering aspects of projects from concept through to commissioning and handover, ensuring all work meets technical standards, safety regulations, and stakeholder requirements. * Define project requirements and develop engineering solutions * Produce and approve technical specifications and design * Manage and oversee detailed design and contractor work * Ensure compliance with safety, regulatory, and quality standards * Support project planning, execution, and risk management * Supervise construction, commissioning, and final handover * Maintain configuration control...
IR35 Status:
Inside IR35

CV-Library Malton, North Yorkshire Contractor
CL
Jul 02, 2026  
Senior Facility/Project Engineer
Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements.  Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions. Job Description Senior Facility / Project Engineer 📍 Location: Reading.   Outside IR35, Inside IR35 and staff opportunities available We are seeking experienced Facility / Project Engineers (1 x Mechanical 1x Control & Instrumentation bias) This is a delivery-focused, task-based role where you will play a critical part in ensuring safe, compliant, and efficient operations by resolving engineering challenges, improving assets, and bridging the gap between facility operations and...
IR35 Status:
Inside IR35

CV-Library Reading, UK Contractor
CL
Jul 04, 2026  
Site Engineer
Site Engineer / Senior Engineer  Requirement: 5 days per week on site Status: Inside IR35  Rate - Depending on experience (discuss on application)  Length - 12mths  Role Overview This is an excellent opportunity to join an established project team delivering significant highways and infrastructure works. I'm particularly keen to speak with engineers who have a strong background in highways construction and utilities coordination. This is a great opportunity for an Engineer to work alongside the permanent team, providing guidance and support to junior memmbers of the team while remaining hands-on in the role. This is a self delivered project, so we're looking for someone who can hit the ground running and is confindent to lead.  Key Responsibilities Report directly to the Sub Agent and provide technical support to the site management team. Manage and mentor a Site Engineer, reviewing setting out, quality checks, and documentation. Oversee highways works including...
IR35 Status:
Inside IR35

CV-Library Sheffield, UK Contractor
CL
Jul 04, 2026  
Senior Mechanical Design Engineer
Senior Mechanical Engineer (Building Services) South Wales region £50.88 per hour (Umbrella) Contract | Inside IR35 Ceto Talent is recruiting for a Senior Mechanical Engineer to support building services project delivery within a leading consultancy environment. This role is suited to candidates who can work independently and contribute to live project delivery from early design through to site stages. Key requirements: * Degree in Building Services Engineering or similar * Chartered or working towards (CIBSE / IMechE) * Strong experience in mechanical building services design * HVAC systems, calculations and specifications experience * Familiar with tools such as IES, Hevacomp, NBS and Revit * Consultancy or contractor background preferred * Good knowledge of UK standards and regulations Responsibilities include: * Delivering mechanical design packages * Producing calculations, specifications and drawings * Supporting coordination with design teams *...
IR35 Status:
Inside IR35

CV-Library Butetown Community, Cardiff Contractor
CL
Jul 04, 2026  
Senior Electrical Design Engineer
Senior Electrical Engineer (Building Services) South Wales region £50.88 per hour (Umbrella) Contract | Inside IR35 Ceto Talent is recruiting for a Senior Electrical Engineer to support building services project delivery within a leading consultancy environment. This role is suited to candidates who can contribute to live projects across design and delivery stages, working both independently and within multidisciplinary teams. Key requirements: * Degree in Electrical or Building Services Engineering (or similar) * Chartered or working towards (IET / CIBSE) * Experience in electrical building services design within the UK * Knowledge of systems including power, lighting and life safety * Experience using tools such as NBS and Revit * Background in consultancy or contractor environments * Good understanding of UK standards and regulations Responsibilities include: * Delivering electrical design packages across live projects * Producing calculations, specifications...
IR35 Status:
Inside IR35

CV-Library Butetown Community, Cardiff Contractor
CL
Jul 04, 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
Jul 04, 2026  
Section / Senior Engineer
Section Engineer / Senior Engineer – RAF Coningsby (Lincolnshire) Contract Role  We are currently seeking an experienced Section Engineer or Senior Engineer to join a major infrastructure project at RAF Coningsby. This is an excellent opportunity to work on a high-profile scheme, supporting the successful delivery of concrete paving and airfield works. Key Responsibilities Oversee and coordinate daily site activities to ensure works are delivered safely, on programme, and to specification. Manage and mentor junior engineers, providing technical guidance and support. Supervise concrete paving and laying operations, ensuring quality standards are maintained. Review drawings, specifications, and method statements. Ensure compliance with QA procedures and ITP requirements. Liaise with site teams, subcontractors, and project stakeholders. Maintain accurate records and support progress reporting. Requirements Proven experience working as a Section Engineer or Senior...
IR35 Status:
Inside IR35

CV-Library Lincoln, UK Contractor
CL
Jul 02, 2026  
Senior Highway Engineer
Senior Highway Engineer Location: Crewe, Cheshire Rate: £45 - £50 p/hour Contract: Initial 6 Months Working Pattern: Hybrid Hours: 40 Per Week IR35 Status: Inside IR35 An exciting opportunity has arisen for an experienced Senior Highway Engineer to join a well-established highways team delivering a range of highway improvement and active travel schemes across Cheshire East. This role would suit a technically strong highways professional with significant experience in highway design and the ability to provide expert interpretation of design standards, whilst supporting the successful delivery of projects from conception through to completion. The Role As a Senior Highway Engineer, you will play a key role in managing the technical delivery of projects, providing guidance to engineers and technicians, and acting as a senior point of contact for clients and stakeholders. You will be responsible for reviewing designs, advising on technical matters, allocating work across the...
IR35 Status:
Inside IR35

CV-Library Cheshire, UK Contractor
CL
Jul 02, 2026  
Senior Human Factors Engineer
Senior Human Factors Engineer - Contract Opportunity We are seeking an experienced Senior Human Factors Engineer to join a high-profile defence engineering programme based onsite in Christchurch. Contract Details Duration: 6 Month Contract Location: Christchurch (Onsite) Security Clearance: Active SC Clearance required Rate: £700 - £800 per day IR35 Status: Inside IR35 The Role As a Senior Human Factors Engineer, you will play a key role in delivering Human Factors Integration support across complex engineering and safety-critical programmes. Key responsibilities include: Providing Human Factors Integration support across product and process design Tailoring and estimating Human Factors activities Capturing and managing requirements, risks, and opportunities Delivering design guidance, testing, evaluation, and acceptance support Planning and conducting quantitative and qualitative Human Factors assessments including: Human error analysis Workload assessment Situation...
IR35 Status:
Inside IR35

CV-Library Christchurch, Dorset Contractor
CL
Jul 02, 2026  
Senior Electrical Engineer Building Services
Join a world-renowned aerospace organisation as a Senior Electrical Engineer Building Services in Preston 1-3 days per week Due to a drive for greater success, this advanced manufacturing business is currently searching for Senior Electrical Engineer to add to their talented, hardworking team in Preston 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: £60.69 per hour inside IR35 / umbrella The role: Reports to the RE&I S Programmes Principal Building Services Engineer. Assist or lead the preparation of a range of documents and concept design solutions for projects in support if land, sea, and air operations, personnel training, and production & maintenance facilities throughout the UK. Work as part of a high performing team to deliver construction / FM projects to ensure the correct Engineering support is applied through the project lifecycle. Management and oversight of external...
IR35 Status:
Inside IR35

CV-Library Preston, Lancashire Contractor
CL
Jul 01, 2026  
Senior HV Cable System Design Engineer
Senior HV Cable System Design Engineer Locations: Epsom, Leeds, Birmingham or Glasgow Duration: 12 months initially Rate: Negotiable on experience Inside IR35 Are you passionate about shaping the future of energy? Our client, a leading player in the power industry, is seeking a Senior HV Cable System Design Engineer to join their expanding team. This is an exciting opportunity to work on high-profile transmission projects across the UK, contributing to innovative energy solutions. What you'll be doing: * Lead onshore and offshore HV cable FEED and detailed design works for major transmission projects. * Support business growth by engaging with clients, identifying opportunities, and assisting in bid and proposal development. * Collaborate with multidisciplinary teams, including civil, structural, and project management, to deliver comprehensive project solutions. * Attend site visits, coordinate with subcontractors and suppliers, and ensure project milestones are met. * Mentor...
IR35 Status:
Inside IR35

CV-Library Birmingham, West Midlands Contractor
CL
Jul 01, 2026  
Senior Civil Engineer - Highway Design
Senior Civil Engineer - Highway Design Contract - Inside IR35 Rate: £45.00 - £55.00 per hour Length: 6 Month Initial Contract Hours: 37.5 Per Week Locations: ·Cardiff ·Staffordshire ·Glasgow ·Edinburgh ·Perth Arrangement: Hybrid Working - Typically 2-3 Days Per Week in the Office Are you an experienced Highways Design Engineer looking for your next contract opportunity? We are seeking Senior Civil Engineers with a strong highways design background to support the delivery of a wide range of infrastructure projects across the UK. This role would suit someone who enjoys taking ownership of schemes, working collaboratively within multidisciplinary teams and providing technical leadership throughout the design process. The successful candidate will have experience delivering highway and civil engineering projects from concept through to detailed design and will be confident managing multiple workstreams while ensuring designs are delivered to programme, budget and quality...
IR35 Status:
Inside IR35

CV-Library Edinburgh, UK Contractor
CL
Jul 01, 2026  
CE&I Design Engineer / Senior CE&I Design Engineer
Senior CE&I Design Engineer / CE&I Design Engineer Location: Warrington or Cumbria Type: Inside IR35 Contract Sector: Nuclear / Engineering An exciting opportunity has arisen for both an experienced CE&I Design Engineer and a Senior CE&I Design Engineer to join a leading engineering organisation delivering complex projects within a highly regulated environment. This role offers the chance to work on critical systems and safety-related equipment, contributing to the development and justification of innovative engineering solutions. The Role As a Senior CE&I Design Engineer, you will be responsible for delivering engineering work packages across a variety of Control, Electrical and Instrumentation systems. Working within a multidisciplinary team, you will support the development, verification and substantiation of safety-related designs while ensuring compliance with relevant industry standards and regulations. Key responsibilities will include: Producing and...
IR35 Status:
Inside IR35

CV-Library Warrington, UK Contractor
CL
Jul 01, 2026  
Senior Control Systems Design Engineer
Senior Control Systems Design Engineer Location: Warrington, Cheshire (Hybrid – 3 days office / 2 days home working) Rate: £50.93-55.00 Umbrella per hour (inside of IR35)  Contract Length: 12 Months Initial Contract Hours: 37.5 Hours Per Week Security Clearance: Current SC Clearance preferred; candidates must be eligible and willing to obtain SC Clearance if not currently held. Sector: Nuclear / Sellafield Projects Overview Our client is seeking an experienced Senior Control Systems Design Engineer to support the delivery of complex control and instrumentation solutions across major nuclear projects. This role will focus on the design, development and verification of control systems within highly regulated environments, with a particular emphasis on Sellafield-related programmes. Working as part of a multidisciplinary engineering team, the successful candidate will be responsible for producing high-quality control system designs, technical documentation and engineering...
IR35 Status:
Inside IR35

CV-Library Warrington, UK Contractor
CL
Jul 01, 2026  
Lead EC&I Engineer
Lead EC&I Engineer (Design) – Contract (Inside IR35) Location: Warrington (Hybrid – 3 days office / 2 days remote) Rate: £55.00 – £60.00 per hour (Umbrella) Hours: 40 hours per week Duration: 12 months + Overview We are seeking an experienced Lead EC&I Engineer to support the delivery of complex design work across major nuclear projects. This is a key leadership role, responsible for overseeing EC&I design activities, ensuring technical quality, and guiding a multidisciplinary team within a highly regulated environment. Key Responsibilities Lead and manage EC&I design activities across nuclear projects from concept through to detailed design Provide technical authority and guidance to engineering teams Review and approve design documentation, including calculations, specifications, and drawings Ensure compliance with relevant industry standards, safety regulations, and client requirements Interface with clients, stakeholders, and multidisciplinary teams to...
IR35 Status:
Inside IR35

CV-Library Warrington, UK Contractor
CL
Jun 28, 2026  
Senior Civil/Structural Engineer
Role: Senior Civil/Structural Engineer Location: Devonport(once in a month) Duration: 12 months Inside IR35: Umbrella The primary purpose of the role is to ultimately assist and support the Design Manager in the delivery of project scope. This will include the likes of the following; To undertake the delivery of civil / structural engineering work packages to the required scope, quality, schedule and cost. Responsible for managing the technical aspects of the engineering packages from identification of the need, through to handover. Support the Engineering Lead with one or more technical design packages agreeing project related objectives, working alongside design Support Teams and providing appropriate technical responses. Provide advice as per discipline. Ensure that the design documentation covers the scope of operations required by the Project Manager and is produced to agreed standards, schedule, and budget. Ensuring effective Quality Management Arrangements, operate and...
IR35 Status:
Inside IR35

CV-Library Plymouth, Devon Contractor
CL
Jun 28, 2026  
Senior Engineer - Highway Structures
Senior Engineer - Structures (Highways) Location: London / Birmingham / Manchester Rate: £50-60 per hour | Inside IR35 Hours: Full-time, 37.5 hours per week, flexible hybrid working About the Role We are looking for a Senior Engineer to join a Structures Team delivering major highways projects across the UK. This role involves managing the delivery of technical outputs for multiple projects, ensuring design quality, compliance with standards, and overall technical excellence. Key Responsibilities ·Lead and deliver technical outputs for projects, including scheme investigation, detailed design, and construction supervision. ·Act as Lead Designer, reviewing and authorising design deliverables (drawings, specifications, reports, and contract documents). ·Conduct inspections, assessments, and feasibility studies of highway and bridge structures. ·Mentor and develop junior engineers, technicians, and graduates. ·Contribute to technical excellence, innovation, and value...
IR35 Status:
Inside IR35

CV-Library Birmingham, UK Contractor
CL
Jun 25, 2026  
Contract Senior Civil Infrastructure Engineer
Contract Senior Civil Infrastructure Engineer London Immediate Start Long term contractc £50-55 p/h (Inside IR35)  Contract Senior Civil Infrastructure Engineer  A Global multi discipline engineering consultancy based in Central London is looking to hire multiple Senior Civil Infrastructure Engineers on a contract basis due to a number of significant project wins.  Our client has won a significant number of projects both in the UK and UAE and need expert help to deliver on these challenging and complex projects.  Successful applicants must have excellent Infodrainage, AutoCAD and Civil 3D experience and be used to working on projects of significant scale.  Previous experience of working on UAE projects would be a distinct advantage.   Successful applicants will have a minimum of 5-8 years relevant experience.  Any individual from a strong technical background in a core infrastructure disciplines such as Highways, Utilities or Sustainable Drainage would fit the role well....
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jul 04, 2026  
Manufacturing Engineer
MERITUS are recruiting for Manufacturing Engineers to join a leading Defence Manufacturing organisation as a part of their Assembly & Integration team. MANUFACTURING ENGINEER - BOLTON - 12 MONTH CONTRACT - £32 - 35 PER HOUR (INSIDE IR35) - SC ELIGIBILITY REQUIRED - SECTOR: DEFENCE MANUFACTURING As a Manufacturing Engineer within a unit and missile assembly manufacturing facility, you will play a key role in helping ensure products are built efficiently, safely, and within budget. You will be a valued member of a collaborative Manufacturing Engineering team, supporting a range of multi-project manufacturing activities and contributing to continuous improvement across the build environment. Key Responsibilities * Contribute as part of a supportive Manufacturing Engineering team within a complex assembly environment. * Compile, maintain, and update Manufacturing Instructions to support consistent and effective production. * Design, commission, and prove associated tooling,...
IR35 Status:
Inside IR35

CV-Library Bolton, Greater Manchester Contractor
CL
Jul 04, 2026  
Mechanical Architect
Our client has an opportunity for a Missile Mechanical Architect to join them on a contract basis for 6 months with likely extension. This exciting role is to gather and manage the missile mechanical architecture requirements to achieve missile performance, on time and on cost and overall layout vs compliance. This involves providing justification of the design and co-ordinate the verification evidence of missile performance to support certification. Role: Missile Mechanical Architect Location: Stevenage or Bolton, fully onsite. (must be happy to travel between locations) Hours: 37 per week Clearance: Full SC required before starting Hourly Rate: £60 per hour via Umbrella, inside IR35 What you'll be doing: Establishing the Missile Airframe Task Requirements Specification (TRS) to ensure a structured & coherent mechanical response to the overall Missile TRS Management of the mechanical interface with the launcher Management of Mechanical & Thermal Interfaces across...
IR35 Status:
Inside IR35

CV-Library Bolton, Greater Manchester Contractor
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