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Contractor 18
Engineering Inside IR35 lagger

18 lagger jobs found

CL
Jun 17, 2026  
Lab Technician
Laboratory Technologist - 12 months - Menstrie - £28.62 per hour (35 hour week) inside IR35 The Laboratory Technologist for Packaging plays a critical role in ensuring that packaging solutions meet global standards for safety and performance. This position is responsible for implementing and validating the International Safe Transit Association (ISTA) testing protocols, which are recognized worldwide as the best-in-class methodologies for assessing package performance and protecting contents during transit. In addition, the role requires successful completion of ISTA training, proficiency in operating transit simulation equipment-including incline impact tester, vibration table, and drop tester-and knowledge of shock loggers and the ability to analyse data outputs from such devices. The role holder will be expected to communicate with sites around the world and occasionally travel. Key Accountabilities IMPLEMENTATION AND VALIDATION OF ISTA TESTING 1. Implement and validate...
IR35 Status:
Inside IR35

CV-Library Menstrie, Clackmannanshire Contractor
CL
Jun 17, 2026  
Quality Engineer QA/QC - Mechanical and Piping
Mechanical QA/QC Engineer Contract Role / Inside of IR35 / North Ayrshire / Major Industrial Project We are supporting a major live industrial project in Dalry and are seeking an experienced Mechanical QA/QC Engineer to join a central Quality team on a contract basis. Working within a complex, fast-paced construction environment, you’ll be embedded on-site alongside delivery and construction teams, playing a key role in ensuring quality standards are achieved across all phases of mechanical and piping installation. This is a highly visible, hands-on position offering genuine responsibility, stakeholder influence, and the opportunity to make a measurable impact on project delivery outcomes. The Role You’ll be at the centre of project execution, ensuring mechanical and piping systems are installed, tested, and commissioned to the highest standards. Key responsibilities include: * Leading QA/QC activities across fabrication, installation, testing, and pre-commissioning *...
IR35 Status:
Inside IR35

CV-Library Ayrshire, UK Contractor
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 14, 2026  
Commissioning Engineer
Role: Commissioning Engineer Location: East Midlands Reason for vacancy: AMP 8 work IR35: Inside Projects: WwTW, large project Start date: ASAP Skills: Electrical commissioning, WwTW, CSCS/ECS, Tier 1 experience Length: 12 months initial, strong likelihood to extend
IR35 Status:
Inside IR35

CV-Library United Kingdom Contractor
CL
Jun 14, 2026  
Mechanical Fitter
Mechanical Fitter / Tram Maintainer - Rolling Stock (Contract Role) Location: Nottingham Tram Depot, Wilkinson Street, Nottingham Duration: Ongoing Contract Start Date: ASAP Shift Pattern: Days Only - 4 on 4 off - 07:00 / 19:00 About the Opportunity: Rullion is working with a prestigious Rolling Stock and Light Rail client to recruit Mechanical Fitters on a contract position at their Nottingham Tram Depot. This is a fantastic opportunity for skilled professionals with an NVQ Level 3 (or equivalent) in Mechanical Engineering to contribute to the reliability and maintenance of a modern light rail fleet. Pay Rates (Inside IR35): PAYE: £20.61/hour + accrued holiday Umbrella: £26.27/hour (first 12 weeks) £27.56/hour (after 12 weeks) Role Overview: As a member of the depot's autonomous maintenance team, you will provide mechanical expertise to support our client's maintenance and service commitments for their tram fleet. Key Responsibilities: Carry out servicing,...
IR35 Status:
Inside IR35

CV-Library Nottingham, Nottinghamshire 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 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 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 Cambridge. The Opportunity ·£75 per hour (Inside IR35) ·6-month contract with strong extension potential ·Hybrid working (3 days office/site-based) ·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 of a highly skilled,...
IR35 Status:
Inside IR35

CV-Library Cambridge, 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  
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 Peterborough. The Opportunity ·£75 per hour (Inside IR35) ·6-month contract with strong extension potential ·Hybrid working (3 days office/site-based) ·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 of a highly skilled,...
IR35 Status:
Inside IR35

CV-Library Peterborough, 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 12, 2026  
Document Controller
Job title: Document Controller Job Type: Contract IR35 Status: Inside Start date: August Duration: 4 Months Pay rate: Depends on experience Location: Hartlepool Hybrid/Remote Working: On site Hours of work: 37.5 hours Role information: - Support the control, distribution, and filing of project documentation. - Maintain document registers and electronic filing systems. - Ensure documents are uploaded, tracked, and archived correctly. - Assist with document formatting, revisions, and version control. - Liaise with internal teams and external stakeholders regarding document submissions and updates. - Support project teams with document retrieval and reporting activities. - Ensure documentation is maintained in line with company procedures and quality standards. - Assist with general project administration where required. Qualifications/Experience Required - Previous administration or document control experience is desirable. - Strong organisational skills and attention to detail. -...
IR35 Status:
Inside IR35

CV-Library TS25, Graythorp, Hartlepool Contractor
CL
Jun 12, 2026  
Manufacturing Engineer
Manufacturing Engineer Manufacturing Engineer required for a long term contract near Peterlee (Min 12 Months, likely to become ongoing though). Peterlee Based full time onsite £39.00 FCSA Umbrella (Role is deemed inside IR35). £29.00 paye The Manufacturing Engineer is expected to function as a specialist with respect to a specific technical phase of the process improvement function and which generally falls within the area of Welding, Heavy Mechanical Assembly, Sheet Metal Assembly and Fabrication. Work assignments may be specialised in nature but may also be broad based with coordination between other staff personnel to complete a larger project. Evaluate projects to define desired results and determine logical approaches. Evaluates such factors as cost, personnel yearly usage, equipment, space, etc. as well as other information needed to determine requirements. Prepares feasibility studies for appropriateness and cost effectiveness and submits recommendations accordingly....
IR35 Status:
Inside IR35

CV-Library Peterlee, UK Contractor
CL
Jun 11, 2026  
Lead Mechanical Engineer Building Services
The Role We're looking for a Senior Mechanical Engineer to lead the design and delivery of mechanical building services on large, complex construction projects. You'll take ownership from concept through to construction, ensuring designs are practical, compliant, and cost-effective. Location: Liverpool (1x a week in the office) Rate: Up to £55 per hour (Inside IR35) Key Responsibilities ·Lead mechanical design for major construction projects ·Produce high-quality designs, specifications, and technical solutions ·Work closely with clients, architects, and project teams ·Coordinate designs across disciplines (M&E, BIM, etc.) ·Ensure compliance with regulations, standards, and quality procedures ·Support cost planning, estimates, and pre-construction activities ·Drive innovation and sustainable design solutions ·Provide technical guidance and mentor junior engineers Requirements ·Degree in Mechanical or Building Services Engineering ·CIBSE / IMechE member (or...
IR35 Status:
Inside IR35

CV-Library Liverpool, UK Contractor
CL
Jun 11, 2026  
Senior Mechanical Engineer Building Services
Are you a senior Mechanical Engineer in Building Service Design and looking to work on some exciting projects? Do you want a contract role with variety? You could work for a leading Building Services contractor, with a national presence with the following details; Location: Liverpool (1x a week in the office) Rate: Up to £50 per hour (Inside IR35) Duration: 12 months + Key Responsibilities · Deliver mechanical design for major construction projects · Produce high-quality designs, specifications, and technical solutions · Work closely with clients, architects, and multidisciplinary teams · Coordinate designs across disciplines (M&E, BIM, etc.) · Ensure compliance with regulations, standards, and quality procedures · Support cost planning, estimates, and pre-construction activities · Contribute to innovative and sustainable design solutions · Support and mentor junior engineers where required Requirements · Degree in Mechanical or Building Services Engineering ·...
IR35 Status:
Inside IR35

CV-Library Liverpool, UK Contractor
CL
Jun 10, 2026  
CAD/CAM Engineer - Discrete Event Simulation
CAD/CAM Engineer - Discrete Event Simulation - (phone number removed) - £35.53/hr umbrella rate Do you have strong working knowledge of Discrete Event Simulation tools such as Lanner Witness or Siemens Technomatix Plant Simulation? Do you have proven experience in production process flow simulation and problem-solving on complex technical systems? Are you ready to take your career to the next level as a CAD/CAM Engineer - Discrete Event Simulation? This is your chance to work on innovative projects that shape the future of vehicle engineering. With an inspiring work environment and the opportunity to develop cutting-edge skills, this role offers a platform for professional growth and the chance to make a real impact in the automotive industry. If you're passionate about process optimisation and thrive in dynamic settings, this opportunity is tailor-made for you.  What You Will Do:  - Lead the development of Discrete Event Simulation (DES) models, from concept to detailed mimic...
IR35 Status:
Inside IR35

CV-Library Liverpool, UK Contractor
CL
Jun 10, 2026  
Combat Systems Engineer
NRL are currently recruiting for a Combat Systems Engineer based in Bristol. We are looking for experienced Combat Systems Engineers with a background in the maritime sector, specifically working on surface fleet ship weapons systems. This role will be delivered on a hybrid working model, with 2 days per week based in Bristol. Role- Combat Systems Engineer Location- Bristol Role Type- 12 month contract Rate- £50.00 per hour Inside IR35 Essential Requirements Candidates must demonstrate the following qualifications and experience: A Bachelor’s or Master’s degree in Marine Engineering, Electrical Engineering, or a closely related discipline. Chartered Engineer (CEng) status in a relevant discipline, with a minimum of 3 years’ experience at Chartered level; Alternatively, candidates who are not Chartered must demonstrate: At least 7 years’ relevant professional experience, and Evidence of continuous professional development (CPD) and recent innovation in delivered...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Apr 26, 2026  
Integration and System Validation Engineer
World Class Defence Organisation is currently looking to recruit 2x Integration and System Validation Engineer subcontractors on an initial 12 month contract.     The role would suit a candidate with the below experience: Network systems and protocols, experience of switch and router configuration and management Fault finding and route cause analysis at subsystem integration level Doors/ETM would be desirable Rate: £70.00 per hour Location: Bristol Hybrid / Remote working: 3-5 days on site; rest remote; lab-based position Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella)                                                                                                                                           Interview Process: One stage Video Interview Integration and System Validation Engineer Job...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
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