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Outside IR35 gas installation engineer

12 gas installation engineer jobs found

CL
Feb 22, 2026  
Site Commissioning Engineer (outside of IR35 OR PAYE)
Role:                Site Commissioning Engineer  (Outside of IR35 OR PAYE) Base:               Remote Rate:                £45 - £52.00 p/h The  Site Commissioning Engineer will undertake site commissioning activities in technical specialist capacity during on-site installation/ construction and commissioning activities related to the assigned work scope to assure cost-effective execution of project deliverables in accordance with contract specifications,  quality standards, schedule, and safety requirements for start-up and commissioning phases. To work on national & international Energy projects using client products and systems as required. Site Commissioning Engineer requirements: Able to perform overall quality control of their own work and report regularly on the status. Monitor compliance to applicable codes, practices, QA/QC policies, performance standards and specifications. Be involved in the coordination of any technical queries and solutions with the...
IR35 Status:
Outside IR35

CV-Library Eaton Socon, St. Neots PE19, UK Contractor
CL
Feb 22, 2026  
Telecoms Engineer (Outside of IR35 or PAYE/Umbrella if preferred)
Role:            Telecoms Engineer (Outside of IR35 or  PAYE/Umbrella) Based:          St.Neots, Cambridgeshire PE19 Duration:       Ongoing Rate:            Negotiable Our client is seeking an experienced Telecoms Engineers to work on an ongoing contract. The role will include: Telecoms Engineering encompasses the planning, design, development, testing, installation, and coordination of related activities involving electrical/electronic components and systems, including automation. It also co-ordinates activities internally and with other groups to effectively accomplish objectives requiring knowledge of associated functions and related engineering fields. Use computers and selected programs for such matters as preparing reports and conducting analyses. Independently perform various engineering duties requiring the exercise of judgment and application of standard engineering principles and practices, towards set goals. Plan, conduct or coordinate a range of complex...
IR35 Status:
Outside IR35

CV-Library Eaton Socon, St. Neots PE19, UK Contractor
CL
Feb 20, 2026  
Senior Pipeline Engineer
We are seeking an experienced Senior Pipeline Engineer (Mechanical) to support the delivery of pipeline engineering work on a 12-month freelance contract, operating Outside IR35. The role will focus on providing high-level mechanical pipeline expertise across design and delivery phases, working closely with multidisciplinary teams and key stakeholders. Key Responsibilities * Lead and deliver mechanical pipeline engineering activities across assigned projects * Produce, review and approve pipeline design deliverables including calculations, specifications and reports * Ensure designs comply with relevant codes and standards (e.g. PD 8010, ASME, API, DNV, BS EN) * Undertake wall thickness calculations, material selection and stress analysis * Provide technical input into route selection, constructability and installation methodologies * Participate in HAZID, HAZOP and design review workshops * Interface with civil,...
IR35 Status:
Outside IR35

CV-Library Redcar, Redcar and Cleveland Contractor
CL
Feb 20, 2026  
Senior Pipeline Engineer
We are seeking an experienced Senior Pipeline Engineer (Mechanical) to support the delivery of pipeline engineering work on a 12-month freelance contract, operating Outside IR35. The role will focus on providing high-level mechanical pipeline expertise across design and delivery phases, working closely with multidisciplinary teams and key stakeholders. Key Responsibilities * Lead and deliver mechanical pipeline engineering activities across assigned projects * Produce, review and approve pipeline design deliverables including calculations, specifications and reports * Ensure designs comply with relevant codes and standards (e.g. PD 8010, ASME, API, DNV, BS EN) * Undertake wall thickness calculations, material selection and stress analysis * Provide technical input into route selection, constructability and installation methodologies * Participate in HAZID, HAZOP and design review workshops * Interface with civil,...
IR35 Status:
Outside IR35

CV-Library Redcar, Redcar and Cleveland Contractor
CL
Feb 22, 2026  
Site Engineer
We are looking for an experienced Site Engineer to support the delivery of an FRC (Fibre Reinforced Concrete) tunnel and shafts project in Coventry. The role will be site-based and focused on setting out, quality assurance, and technical support through tunnelling and shaft construction works. You’ll be working closely with the Project Manager, Sub Agents, and construction teams to ensure works are delivered safely, accurately, and to programme. Key Responsibilities * Setting out for tunnels, shafts, bases, walls, and temporary works * Managing and checking FRC installations, ensuring compliance with design and specs * Producing and reviewing ITPs, RAMS, and permits * Quality control, including inspections, records, and as-built information * Liaising with subcontractors, surveyors, and design teams * Maintaining accurate site records, QA documentation, and progress reports * Supporting health & safety compliance...
IR35 Status:
Outside IR35

CV-Library Coventry, West Midlands (County) Contractor
CL
Feb 20, 2026  
Contract Mechanical Design Engineer
Contract Mechanical Design Engineer – Outside IR35 Are you currently working as a Mechanical Design Engineer, with experience in the Energy/Defence space and experience in HVAC, Small structural steel and chilled water systems? Are you currently based on the North West of England or happy to live/work away and base yourself in the area? We currently have an opportunity for a Mechanical Design Engineer on a contract basis, this position is outside IR35 and offers long term work. My client is looking to engage with a Mechanical Design Engineer to provide independent Mechanical Design Service, this is a key package on a large scale Energy Project. Contract Mechanical Design Engineer role Specification: * Produce and checking of design deliverables for small structural steel, HVAC Bracketry and chilled water systems (Calculations, models, drawings). * Technical advice on constructability, manufacturability and integration of supports. * Independent design review of...
IR35 Status:
Outside IR35

CV-Library Manchester, Greater Manchester Contractor
CL
Feb 19, 2026  
Electrical Design Engineer
Role Overview we are looking for an electrical Design Engineer, you will play a key role in producing comprehensive and innovative electrical designs, ensuring seamless integration of electrical systems into larger engineering projects. You will collaborate with a talented team of engineers to deliver technical solutions that meet the highest standards of quality, safety, and efficiency. Key Responsibilities •Design Creation: Produce conceptual designs, detailed designs, integration/installation drawings, design specifications, operational documentation, and validation evidence for electrical engineering solutions. •Collaboration: Work closely with other design engineers to ensure the seamless integration of electrical systems into the overall project design. •Compliance & Standards: Ensure all electrical design solutions meet safety, quality, technical, and commercial requirements. •Third-Party Management: Manage third-party designers, ensuring their designs meet project...
IR35 Status:
Outside IR35

CV-Library Dorset, UK Contractor
CL
Feb 18, 2026  
Senior Mechanical Engineer
Have you led mechanical design packages from concept through to installation and commissioning on complex engineering projects? Are you comfortable taking technical ownership, guiding other engineers and engaging directly with contractors and clients? Looking for an outside IR35 contract where your expertise genuinely influences project outcomes rather than just filling a seat?   The Opportunity An outside IR35 contract opportunity has arisen for a Senior Mechanical Engineer to support a major project portfolio based in the Liverpool area. This role offers technically challenging work, genuine autonomy, and the chance to contribute to multidisciplinary engineering delivery on industrial-scale assets. We would also welcome applications from these industries: Energy, process engineering, nuclear, petrochemical, heavy manufacturing This role would suit candidates working in these roles: Senior Mechanical Engineer, Lead Mechanical Engineer, Mechanical Design Engineer, Principal...
IR35 Status:
Outside IR35

CV-Library Litherland, UK Contractor
CL
Feb 14, 2026  
BMS Project Manager
We have a fantastic contract opportunity for an experienced BMS Project Manager to join an exciting project in London. On offer for the successful BMS Project Manager is a 12 month contract, £350 - £450 per day, and the opportunity to work for a successful BMS intelligent integration business. The BMS Project Manager role:- As a BMS Project Manager, you will be a highly skilled, professional and driven individual who has a wealth of knowledge and background in the BMS sector. You will be required to liaise confidently and positively with the client delivering a fantastic service, attending progress meetings, managing sub-contractors, commissioning engineers, and covering all aspects of project management. To apply you must have a proven track record of managing large BMS projects. Key Skills required of BMS Project Manager:- * Exceptional knowledge and background in the BMS industry. * Proven track record of managing large BMS projects, all aspects. * Strong commercial and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Feb 13, 2026  
Senior HVAC Design Engineer
We are looking for an experienced Senior HVAC Design Engineer, in our London office of our Client, focusing on the Commercial sector witin their experienced team. You will have the opportunity to work on some of the most exciting and technically challenges projects within this fast paced sector. Our award winning international Client are currently involved in numerous projects, working both within the UK and across EMEA. Candidates will support the team in developing designs for mechanical distribution systems from CHW, HVAC, Fuel to LTHW Provide advice to clients regarding mechanical systems/requirements available to meet their business needs. Leading the design of Commercial Project mechanical systems and equipment (Building Services) Provide written reports of system options in the form of design development notes. Produce technical specifications for mechanical systems, ensuring compliance with relevant standards and client requirements Ensure coordination other...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Feb 03, 2026  
EC&I Project Engineering Consultant
EC&I Project Engineering Consultant Position Type: Contract (Outside IR35) Location: Lancashire, England Categories: Engineering PM Group requires electrical, controls and instrumentation project engineering support on a chemical manufacturing site in Lancashire. Responsibilities * Leading and developing electrical, controls and instrumentation elements of the project design. * Providing electrical, controls and instrumentation expertise and electrical technical guidance to the project team. * Designing and overseeing the installation and testing of instrumentation and controls systems through to handover. * Developing practical, cost effective engineering designs and taking full account of the many competing factors (technical, operational and economic). * Focusing on C&I loop design, instrumentation panel design, instrumentation specification, control system interfaces, single cable calculations, PLC/DCS interface design, SIS design, instrumentation hazardous...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Dec 11, 2025  
Controls Project Engineer
Controls Project Systems Engineer (PLC) £c40/hr ltd rate South East ABJ7685 Salary dependent on experience but c£35-£45/ hr ltd rate (outside IR35) Start Jan 2026 - 3m with view to extension ONSITE A new position for an experienced Controls Project Systems Engineer (PLC exp) is urgently required for a leading engineering services company to for new upcoming projects. As controls engineer you will be carrying out programming of Siemens S7-1500 PLCs using TIA Portal. As controls engineer experience you will be programming of WinCC SCADA systems - interfacing with multiple S7-1500 PLCs. - Failsafe programming would be desirable. As control engineer you will have the ability to be technical lead for a control panel and review electrical drawings, panel assembly. As control project engineer you will also have the ability to generate documentation such as test plans, Installation / commissioning & Operation / Maintenance Documentation. Mainly office based apart from when you go...
IR35 Status:
Outside IR35

CV-Library South West England, UK Contractor
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