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Contractor 91
Engineering Inside IR35 gas engineer

91 gas engineer jobs found

CL
Apr 29, 2026  
Repairs Engineer - Gas Turbines
Rullion are looking to recruit for the below role: Repairs Engineer ASAP Start Duration - Initially 6 months Rolling contract Inside IR35 £41-43 Per hour Location - Warwick UK. Hybrid Model Full and Part Time Hours depending on flexiblility Our client an exciting opportunity within the Global Repair Network Team working closely with our external network of MROCs (Maintenance, Repair & Overhaul Centre's) and authorized Repair Vendors. The Repair Engineer (FTC) role within the Repair Network Engineering Team will play a key part in supporting the existing global capability within the Global Repair Network Team as well as future capability developments. Job Description. Support component repair development activities. Assess, investigate and sentence non-conforming components. Support repair scheme amendment/writing and technical variances. Support implementation of improvements & technical solutions (internally & externally). Represent engineering in the wider...
IR35 Status:
Inside IR35

CV-Library Warwick, Warwickshire Contractor
CL
Apr 25, 2026  
Principal Engineer Mechanical
Role: Principal Mechanical Engineer Location: Devonport(2 days in a month onsite) Duration: 12 months Inside IR35 Umbrella About our client: Our client in Devonport is a leading engineering and maritime organisation specialising in the maintenance, repair, and overhaul of naval vessels. The site operates with a skilled workforce across mechanical, electrical, and technical disciplines, delivering high-quality and complex engineering projects. It offers a structured and collaborative working environment with opportunities for hands-on experience and professional development. The purpose of the Principal Engineer - Mechanical post is: To manage the delivery of mechanical engineering work packages to the required scope, quality, schedule and cost. Day-to-day, you'll be supporting the engineering capability of the new systems through the design lifecycle in accordance with the design process: Applying systems engineering approach to develop and validate design requirements...
IR35 Status:
Inside IR35

CV-Library Plymouth, Devon Contractor
CL
Apr 25, 2026  
Manufacturing Engineer (inside IR35)
Role - Lead Manufacturing Process Engineer (Inside IR35) Location - Rugby, Midlands The client designs and build some of the most technically advanced electrical rotating machinery in the world and specialise in manufacturing large electrical  rotating machinery and industrial applications.  Specialise in manufacturing large electrical rotating machinery: Motors and Generators, across a wide variety of industrial applications.  Reporting to the Manufacturing Readiness & Technologies Leader, the Lead Manufacturing Readiness Engineer is a key part of driving lean initiatives across the Manufacturing Readiness Team and the various manufacturing process areas to realise real world improvements in safety, quality, delivery, and cost. They coach, drive and lead lean behaviours, principles, and tools across operational or functional areas. Drive cultural transformation resulting in step-change in operational business metrics.  Responsibilities •         Leading Capex...
IR35 Status:
Inside IR35

CV-Library Rugby CV23, UK Contractor
CL
Apr 23, 2026  
Commissioning Engineer
Job Title: Commissioning Engineer - EC&I / Electrical Location: AWE Burghfield Site Duration: 12 Month Contract Start: ASAP Working Pattern: Full-time, site-based | 11 shifts on, 3 off (days transitioning to nights) IR35 Status: Inside IR35 Overview We are seeking multiple experienced Commissioning Engineers with a strong Electrical or EC&I bias to support works on the AWE Burghfield site. This role will focus on the safe and compliant commissioning of complex systems within a highly regulated environment, ensuring assets are fully tested, verified, and ready for operational handover. Key Responsibilities Execute commissioning activities across electrical and EC&I systems Develop and review commissioning plans, test documentation, and procedures Perform inspection, testing, and validation of installed systems Fault finding, troubleshooting, and resolution of technical issues Interface with construction, design, and project teams to ensure seamless delivery...
IR35 Status:
Inside IR35

CV-Library Reading, Berkshire Contractor
CL
Apr 29, 2026  
Senior CE&I Design Engineer
Senior CE&I Design Engineer Rate- £53-£65.00 per hour Inside IR35 Location, Cumbria Role Overview The Senior Control, Electrical & Instrumentation (CE&I) Design Engineer is responsible for the delivery and technical leadership of high-quality design solutions within a multi-disciplinary engineering environment. The role involves leading design activities, ensuring compliance with applicable standards, and supporting projects from concept through to detailed design and implementation. Key Responsibilities Lead and deliver CE&I design activities within a detailed design environment across the full project lifecycle. Provide technical leadership and guidance to a multi-disciplinary design team. Produce and review engineering design documentation, including drawings, specifications, and calculations. Ensure all designs comply with relevant industry standards, regulations, and best practices. Apply strong knowledge of engineering drawing practices to produce...
IR35 Status:
Inside IR35

CV-Library Cumbria, UK Contractor
CL
Apr 29, 2026  
Quality Engineer
Rullion are looking to recruit for the following role: Quality Engineer x 3 Location Sudbury UK Fully site based Monday to Friday ASAP Start 12 months Inside IR35 £23-25.65 per hour PAYE Rates- Umbrella rates can be provided. Flexible working hours 37.5 hours per week The Quality Operations Engineer will be responsible for maintaining, monitoring, and improving key elements of the Quality Management System (QMS) for the Sudbury Site, developing a culture of Quality by education, mentoring and example. Job Responsibilities: Provide Quality support to the Manufacturing Operations Team Support CAPA & Issue Resolution to ensure timely and accurate completion. Administer & support the deviation process to ensure timely and accurate completion. Administer & support the quality notification process to ensure timely and accurate completion. Prepare for supplier, customer, regulatory & notified body audits as required. Conduct internal & supplier quality audits...
IR35 Status:
Inside IR35

CV-Library Sudbury, Suffolk Contractor
CL
Apr 29, 2026  
Area Commissioning Team Leader- Control Systems
Area Commissioning Team Leader- Control Systems Location- Cumbria Rate- £62.50 per hour (Inside IR35) The Area Commissioning Team Leader (ACTL) reports directly to the Deputy Commissioning Manager and Commissioning Manager. The ACTL is responsible for leading a team of Lead Commissioning Engineers, Commissioning Engineers, and Commissioning Technicians in the delivery of commissioning activities. ▪️ Ensuring Safety is the highest priority on the project with a continued strive towards Zero Harm. ▪️ To support the project Safety Leadership tasks which include but are not limited to; Plant/system Walk downs and undertaking ‘Leader in the Field’ surveys and assessments ▪️ Delivering defined commissioning work scope to an agreed strategy and plan in a timely and cost effective manner ▪️ Managing the compilation and approval of Commissioning Test Documents for both IPC and ISC via the GoC Completions Management System (CMS) ▪️ Managing execution of the arrangements for controlling,...
IR35 Status:
Inside IR35

CV-Library Cumbria, UK Contractor
CL
Apr 29, 2026  
Senior Design Engineer
Join a world-renowned aerospace organisation as a Senior Design Engineer in Gloucester on a hybrid basis Due to a drive for greater success, this advanced manufacturing business is currently searching for Senior Design Engineer to add to their talented, hardworking team in Gloucester 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: £40.00 per hour inside IR35 / umbrella Role: Design and detail efficient landing gear systems for civil and military aircraft to meet demanding customer requirements Support the design and manufacturing of the landing gear systems Lead innovative mechanical design projects and ensuring robust, reliable, and cost-effective solutions across the product lifecycle Key responsibilities: Support all aspects of concept to detail design throughout the life cycle of our landing gear programmes Support all aspects of product configuration Ensure accuracy and...
IR35 Status:
Inside IR35

CV-Library Gloucestershire, UK Contractor
CL
Apr 29, 2026  
Lead Structural Engineer
Lead Structural Engineer 12 month contract Based in Ampthill Offering between £55-£66ph Inside IR35 Do you have experience with metallic and composite parts? Do you have experience in MSC Nastran? Do you want to work with an industry-leading company? If your answers are yes to these, then this could be the role for you! As the Lead Structural Engineer, you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry! Due to the nature of what you will be working on, you will be required to obtain high level MOD security clearance. You will be involved in: Developing and validating high‑fidelity finite‑element models for metallic, composite, and hybrid structures Executing static, dynamic, vibrational, thermal, and fluid‑structure interaction analyses Performing...
IR35 Status:
Inside IR35

CV-Library Ampthill, Bedfordshire Contractor
CL
Apr 29, 2026  
Sub Agent
Sub Agent Rail & Civil Engineering (Bryn Station Project) 9 month contract opportunity Rate: £400 - £425 per day (Inside IR35 - Umbrella PAYE) We are seeking an experienced Sub Agent to take ownership of a key package of works on the Bryn Station accessibility upgrade project, specifically focused on the installation of a lift shaft. This role sits at the intersection of civil engineering, rail infrastructure, and temporary works, requiring strong leadership on-site alongside solid technical expertise. You will play a pivotal role in coordinating delivery, ensuring engineering compliance, and driving programme performance within a constrained rail environment. Responsibilities: - Lead and manage a section of works from planning through to successful delivery - Drive site operations, ensuring productivity, safety, and quality targets are met - Interpret and implement engineering drawings, specifications, and technical requirements - Coordinate with designers,...
IR35 Status:
Inside IR35

CV-Library Bryn, Port Talbot SA13, UK Contractor
CL
Apr 29, 2026  
Process Engineer (chemical engineering)
Process Engineer (Inside IR35) Location: Grangemouth Our client, a leading organisation in manufacturing, is seeking a dedicated and skilled Process Engineer to join their dynamic team in Grangemouth. If you have a strong technical foundation in chemical engineering and a passion for operational excellence, we want to hear from you! About the Role As a Process Engineer, you will play a pivotal role in driving innovation and efficiency within our manufacturing facility. You will collaborate with multidisciplinary teams to implement process improvement programs that enhance the production of active ingredients and formulation fill and pack projects. Key Responsibilities: Process Design & Optimization: Design and implement process improvement programs to enhance capital projects. Maximize efficiency in capital and operating costs while upholding HSE excellence. Support plant operations and troubleshoot issues as they arise. Technical Leadership: Provide expert process...
IR35 Status:
Inside IR35

CV-Library Grangemouth, Falkirk Contractor
CL
Apr 29, 2026  
EC&I Design Engineer
EC&I Design Engineer Initial 12 Month Contract On Site - Sellafield, Cumbria £40.00 - £46.00 Per Hour (Umbrella Rate - Inside IR35) The Role Providing site-based design front line support to the Commissioning teams, Delivering, supporting the delivery of others and checking detailed designs/changes to meet functional and business needs. The implementation, testing and commissioning of the detailed designs/changes is undertaken by other dedicated site-based teams, hence is outside the scope of this role. The Candidate Minimum 5 years successfully delivering as a CE&I Senior Design Engineer: - working on external multidiscipline projects, - providing site-based front line design support to a Commissioning team, - delivering, supporting the delivery of others and checking detailed designs/changes, - with a working understanding of the following external Standards for: o PES based Control Systems o Process Instruments If this role is of interest, please send a...
IR35 Status:
Inside IR35

CV-Library Seascale, Cumbria Contractor
CL
Apr 29, 2026  
Manufacturing Engineering Technical Support Engineer
Technical Support Engineer (Manufacturing / Shopfloor Support) Location: Broughton, North Wales (On-site) Contract Length: Contract to November 2026 (strong likelihood of extension) Pay Rate: * £30.00 per hour PAYE * £40.13 per hour Umbrella IR35: Inside IR35 Shift Pattern: Double Days (rotating mornings/afternoons) with 20% shift uplift An exciting opportunity has arisen for a Technical Support Engineer to join a high‑profile aerospace manufacturing environment, providing hands‑on technical and shopfloor support within a busy production setting. This is a role supporting aircraft manufacturing operations and requires strong manufacturing, lineside, and production engineering experience. The Role Working on-site within the production environment, you will provide end‑to‑end technical support to shopfloor operations, ensuring continuous production flow and resolving technical issues that cannot be managed by operators or first-line management alone. Key responsibilities...
IR35 Status:
Inside IR35

CV-Library Chester, Cheshire Contractor
CL
Apr 28, 2026  
Power Platform Engineer
Power Platform Engineer Day Rate: £450 - £550 Per Day (Inside IR35) Contract: 3 - 6 months Location: Horsham/Watford - Onsite I am working with one of the world's largest and most well-respected construction and civil engineering organisations who are investing heavily in digital and looking to strengthen their Automation capability with an experienced Power Platform Engineer. This is a hands-on role focused on improving how the business operates day to day. You will be working across Microsoft 365, Power Platform and SharePoint to automate processes, streamline systems and support users across a complex, multi-site environment. You will be building, improving and owning solutions that are used across the business. Key Responsibilities Build and enhance Power Platform solutions across the business Automate manual processes and drive operational efficiency Support and improve SharePoint environments, both online and on-prem Manage incidents, changes and continuous...
IR35 Status:
Inside IR35

CV-Library Watford, Hertfordshire Contractor
CL
Apr 26, 2026  
Technical Shopfloor Engineer
Technical Shopfloor Engineer Location: Broughton (Onsite) Contract: 12 Month Contract (possible extension) Hours: Double day shift pattern (alternating weeks) 35 Hours per week with paid overtime over 35 hours (25% uplift Monday-Friday & 50% uplift Saturday-Sunday) Week of mornings - 6:00am - 1:10pm Week of afternoons - 1:30pm - 8:40pm 20% shift uplift Rate: £26.92ph PAYE / £36.00ph Umbrella Clearance: BPSS (completed by the Client) IR35: Inside IR35 The Opportunity Our client, a leading manufacturing organisation within a highly regulated environment, is seeking a Technical Shopfloor Engineer to support production operations at their Broughton facility. This role is ideal for an experienced manufacturing or production engineer who thrives in a fast-paced, hands-on shopfloor environment and enjoys resolving complex technical issues. You will work closely with production teams and Autonomous Production Teams (APT), providing end‑to‑end technical support, driving...
IR35 Status:
Inside IR35

CV-Library Broughton-In-Furness, Cumbria Contractor
CL
Apr 26, 2026  
Project Support
Project Support Location: Gloucestershire Contract: 6-month contract with potential for extension Hours: Full-time Salary: £26.67 p/h (umbrella) / £20 p/h PAYE IR35: Inside About the Position We're looking for a proactive Project Support professional to join a dynamic project portfolio based in Gloucestershire. Working on site as part of a small, varied team, you'll collaborate closely with project engineers as well as facilities and health & safety colleagues. A solid grasp of project administration-such as action tracking and budget monitoring-is essential, along with experience thriving in a fast‑moving environment. Project Landscape You'll contribute to a broad mix of projects, including: * Relocation of operational departments to enable site expansion * Small civil engineering works (£100k-£750k) * Operational enhancements to increase capacity * Mechanical and electrical infrastructure upgrades * Procurement, installation, and commissioning of process...
IR35 Status:
Inside IR35

CV-Library Gloucester, Gloucestershire Contractor
CL
Apr 26, 2026  
Senior HVAC Mechanical Engineer
12 Month Contract Rate open to negotiation up to £80 per hour umbrella (Inside IR35) Hybrid Working – 1 – 2 days per week on site (ideally) – can offer more remote working with ad hoc visits where required Job Role: The Senior HVAC Engineer will lead the design, integration, and technical assurance of numerous HVAC 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 HVAC and marine/building services systems experience is essential to ensuring system reliability and capability across the platform. Key Responsibilities: Preparing specifications and developing HVAC system designs in accordance with project requirements, technical...
IR35 Status:
Inside IR35

CV-Library Glasgow, UK Contractor
CL
Apr 26, 2026  
Automation Engineer
Automation Engineer Day Rate: £400 - £475 Per Day (Inside IR35) Contract: 3 - 6 months Location: Horsham/Watford - Onsite I am working with one of the world's largest and most well-respected construction and civil engineering organisations who are investing heavily in digital and looking to strengthen their Automation capability with an experienced Automation Engineer. This is a hands-on role focused on improving how the business operates day to day. You will be working across Microsoft 365, Power Platform and SharePoint to automate processes, streamline systems and support users across a complex, multi-site environment. You will be building, improving and owning solutions that are used across the business. Key Responsibilities Build and enhance Power Platform solutions across the business Automate manual processes and drive operational efficiency Support and improve SharePoint environments, both online and on-prem Manage incidents, changes and continuous improvements across...
IR35 Status:
Inside IR35

CV-Library Watford, Hertfordshire Contractor
CL
Apr 26, 2026  
Automation Engineer
Automation Engineer Day Rate: £450 - £550 Per Day (Inside IR35) Contract: 3 - 6 months Location: Horsham/Watford - Onsite I am working with one of the world's largest and most well-respected construction and civil engineering organisations who are investing heavily in digital and looking to strengthen their Automation capability with an experienced Automation Engineer. This is a hands-on role focused on improving how the business operates day to day. You will be working across Microsoft 365, Power Platform and SharePoint to automate processes, streamline systems and support users across a complex, multi-site environment. You will be building, improving and owning solutions that are used across the business. Key Responsibilities Build and enhance Power Platform solutions across the business Automate manual processes and drive operational efficiency Support and improve SharePoint environments, both online and on-prem Manage incidents, changes and continuous improvements across...
IR35 Status:
Inside IR35

CV-Library Watford, Hertfordshire Contractor
CL
Apr 26, 2026  
Site Agent
Lincolnshire based Site Agent - inside IR35 I'm currently looking for a Site Agent to support on my client, on the technical set up and delivery of major infrastructure in the Power sector. This is a freelance, site based role where you will need to be based from 3 different locations all 1 hour - 1 hour 20 from Lincolnshire. You'll provide technical construction of the civil engineering of a major power upgrade project whilst being supported by a team of Engineers you will deliver: utility diversions, temporary works, drainage, haul roads, compounds, OHL. Ideal experience is someone who can be technically responsible for the project and have a background in enabling works, Civil Engineering or Structures We are looking for candidates who can interview this week and start on circa 1 weeks notice. Roles and responsibilities: Providing buildability and construction input into the detailed design completed by the Lot 1 designers clearing the way of all constraints to allow the...
IR35 Status:
Inside IR35

CV-Library Lincolnshire, UK Contractor
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