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Contractor 28
Outside IR35 London gas engineer

28 gas engineer jobs found in London

CL
Apr 01, 2026  
Senior Process Engineer
Senior Process Engineer- Addison Project, Harlow For over 25 years, Addison Project plc has delivered innovative, sustainable engineering solutions across the chemical, pharmaceutical, energy, and food & beverage sectors. As a family‑owned business with UK‑wide coverage, we combine technical excellence with a collaborative, client‑focused approach. Our fully integrated EPCM capability supported by strong CDM and HSSEQ leadership and accredited management systems ensures projects are delivered safely, efficiently, and to the highest standards from concept through to commissioning and start‑up. If you're passionate about engineering and want to join a dynamic, people‑focused consultancy driving progress and sustainability across the UK’s manufacturing and process industries, Addison Project is the place to grow your career. Role: Senior Process Engineer (Contract – Outside IR35) Location: Harlow Contract: 12 months Start Date: Spring 2026 Workscope Addison Project Plc invites...
IR35 Status:
Outside IR35

CV-Library Harlow, Essex Contractor
CL
Apr 01, 2026  
Revit MEP Coordinator
Job Title: Revit MEP Coordinator Location: London (Hybrid - 2-3 Days in Office) Job Type: Contract Duration: 3 Months Hours: 37.5 per week Rate: £35-£39 per hour Start Date: Immediate Overview An opportunity has arisen for an experienced Revit MEP Coordinator to support a busy Building Services consultancy on a 3-month Outside IR35 contract. The role will focus on MEP coordination and Revit modelling across an active Education project. The successful candidate will work closely with engineers and project teams to ensure coordinated service models and technical design information are delivered to the programme. Key Responsibilities Produce and manage MEP models using Autodesk Revit Coordinate mechanical, electrical and public health services within federated BIM models Support project delivery across Stage 3-4 design phases Work closely with engineers and project teams to resolve coordination issues Produce coordinated drawings and model outputs Maintain BIM standards and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Mar 29, 2026  
REVIT MEP COORDINATOR
Job Title: Revit MEP Coordinator Location: London / Manchester (Hybrid - Ideally 3 Days in Office) Job Type: Contract Duration: 3 Months IR35 Status: Outside IR35 Hours: 37.5 per week Rate: £35-£39 per hour Start Date: ASAP Sector: Building Services / MEP Overview An opportunity has arisen for an experienced Revit MEP Coordinator to join a Building Services design team delivering Stage 3-4 education projects and other building developments. This contract role will focus on MEP coordination, Revit modelling and multidisciplinary design collaboration within a busy consultancy environment. The successful candidate will support the delivery of coordinated mechanical, electrical and public health (MEP) models across active projects. The team ideally requires 3 days per week in the office, although candidates able to attend 2 days per week will also be considered. This contract position may initially cover project demand while a permanent hire is being secured, although...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Mar 28, 2026  
DevOps Engineer
DevOps Engineer - Active SC, Ansible, Terraform Up to £500 per day (Outside IR35) Primarily Remote 6 months My client requires a hands‑on DevOps Engineer with active SC clearance to support the delivery and maintenance of Azure‑based IaaS/PaaS environments using Terraform and Ansible. Key Requirements: Proven experience as a DevOps Engineer with Active Security Clearance (SC) Hands‑on experience designing and delivering Infrastructure as Code solutions using Terraform. Strong track record applying Ansible for configuration management and automated environment builds. Background implementing, supporting and optimising services within the Azure cloud platform. Practical experience administering Windows Server estates in operational environments. Solid exposure to Linux server management, including configuration, patching and diagnostics. Experience resolving infrastructure, OS and network‑level issues, including components such as Active Directory, DNS and IIS. Nice to have:...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Mar 27, 2026  
Contract Civil Engineer
Contract Civil Design Engineer Infrastructure & Drainage Rate: £45–£50 per hour – Outside IR35 Contract: Initial 6 months (strong likelihood of extension) Location: UK (Hybrid / Office-based as required) An award-winning civil engineering design consultancy is seeking an experienced Contract Civil Design Engineer to support a strong pipeline of residential and mixed-use infrastructure projects. This is a hands-on role suited to an engineer who can take schemes from feasibility through to detailed design and technical approvals, working within a high-quality consultancy environment known for design excellence. Key Responsibilities Deliver civil infrastructure and drainage design for residential & mixed-use developments Design foul and surface water systems using MicroDrainage / InfoDrainage Produce highways, levels, earthworks and estate road designs using Civil 3D Prepare drawings, calculations and reports for S104, S38 and S278 approvals Liaise with local...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Mar 26, 2026  
Senior Infrastructure Engineer
Senior Infrastructure Engineer Central London £550 - £650 p/d - outside IR35 3 month initial term A well-established, growing business is seeking an experienced Senior IT Infrastructure Engineer to support both core infrastructure and M&A projects. This is a critical role during a period of ambitious expansion, including multiple acquisitions and integration of new sites. You will ensure seamless IT operations, business continuity and secure, resilient infrastructure across offices and acquired businesses. Key Responsibilities: * Lead the assessment, integration and consolidation of IT environments during mergers and acquisitions * Manage core office and site networks, including LAN/WAN, VPNs, IP addressing and firewall operations (FortiGate)u * Conduct audits of IT infrastructure, cloud environments (Azure, AWS) and enterprise applications (ERP, CRM) * Plan and execute migrations, including tenant-to-tenant Microsoft 365 and Active Directory consolidations *...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Mar 07, 2026  
Data Centre Design Manager (MEP)
Our client is a dynamic, fast growing data centre Construction Support Consultant operating both in the UK and internationally. They have grown rapidly and have earned a fantastic reputation across DC expansion projects, white space and hyper scale dc schemes To support these exciting schemes they are looking for an MEP Design Manager to join the team The Design Manager will oversee and coordinate the design aspects of construction projects from inception to completion. Your primary responsibility will be to ensure that the design meets our clients requirements, adheres to regulatory standards, and offer value engineering solutions. You will collaborate with architects, engineers, contractors, and the project team to develop and implement design strategies that align with project goals. Additionally, the Design Manager will coordinate with external designers for each project and report any design risks to the Projects Director. The ideal applicant will be from an...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Feb 14, 2026  
BMS Commissioning Engineer
BMS Commissioning Engineer Contract We have a fantastic contract opportunity for an experienced Tridium BMS Commissioning Engineer to join an exciting and prestigious project in London. On offer is an initial 6 month contract (with the potential to extend), c£40 - £48 per hour, and the opportunity to work on one of London’s most interesting new projects in central London The BMS Commissioning Engineer position:- As a BMS Commissioning Engineer, you will have fantastic experience and knowledge of commissioning Building Management Systems, in particular Tridium Niagara.  You will be required to perform software modifications and full commissioning. The project is in central London and is a very prestigious refurbishment of a historical building. The project is a mixed use development incorporating a hotel, high end luxury residences, and shops and will be using state of the art new smart building technology. Key skills of the BMS Commissioning Engineer:- Exceptional technical...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Feb 14, 2026  
BMS Service Engineer
BMS Service Engineer Contract 3 – 6 months London & M25 We are offering an accomplished BMS Service Engineer £38 - 45 per hour (outside IR35) to join a well-established Controls company on a contract to cover London and the M25 area. This is an initial 3 – 6 month contract with potential to extend further. The BMS Service Engineer position:- As a BMS Service Engineer, you will need to demonstrate exceptional technical understanding of BMS, in particular Trend control systems.   Your duties will include carrying out service and maintenance on BMS Control systems along with small works.  You will be expected to work independently using your own skill and initiative as well as part of a larger team of engineers when required. Key skills of the BMS Service Engineer:- Exceptional technical knowledge and experience of the BMS sector. Proven experience of carrying out servicing and small works on BMS Controls Systems. Qualifications and experience with Trend control systems....
IR35 Status:
Outside IR35

CV-Library London, 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 14, 2026  
BMS Commissioning Engineering
BMS Commissioning Engineer, Tridium, Trend or Siemens Immediate start 4 - 6 month contract £300 - £360 per day Our client requires an accomplished BMS Commissioning Engineer with Tridium, Trend or Siemens Building Management Controls experience to join their team on either a project in London or a site in Hertforshire . There are several roles and projects currently available in: the City, East London and also in Hertfordshire, the best site would depend on your location and experience for each project. This is on a contract basis and will initially run for 4 to 6  months. To start immediately and is likely to be extended on a rolling basis.  This position could also be as the Lead Commissioning Engineer if you have the right experience and the rate would then reflect this. Key skills required:- Experienced in the Commissioning of Building Management Systems ( BMS ) Qualified and experienced with Tridium ,Trend or Siemens Control systems. CSCS Skill Card or equivalent is...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Feb 14, 2026  
BMS Commissioning Engineer
We have a fantastic contract opportunity for an experienced BMS Commissioning Engineer to join an exciting project in London. On offer is an initial 3 to 6  month contract (with the potential to extend), £300 - £340 per day (outside IR35), and the opportunity to work for a successful BMS integration business. The BMS Commissioning Engineer position: - As a BMS Commissioning Engineer, you will have fantastic experience and knowledge of commissioning Building Management Systems, in particular Trend and Tridium systems.  You will be required to perform software modifications, writing, and generating graphics, working alongside a team engineers. Key skills of the BMS Commissioning Engineer: - Exceptional technical knowledge and experience of the BMS sector. Proven experience commissioning BMS systems Qualifications and experience with Trend and Tridium or Delta Ability to write and manipulate software and graphics. CSCS Skill card or equivalent Benefits of the BMS Commissioning...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Feb 14, 2026  
BMS Service Engineer
We have a fantastic opportunity for a proficient BMS Service Engineer to join a well-established building controls business working on multiple contracts in London on a contract basis. This contract position offers an excellent hourly rate paid weekly ( outside IR35) Company Profile Our client is a household name in the world of BMS providing full turnkey solutions to the Building Energy Management sector since the late 90’s. With their wealth of expertise, they are able to secure projects of all size and type and deliver a best-in-class service from design all the way to end user handover. The Role of the BMS Service Engineer As a BMS Service Engineer you will be responsible for the pre-planned and reactive maintenance of Building Management Systems, predominantly across London. You will have in-depth knowledge of BMS (Building Management Systems) hardware including fault finding, wiring and networking. You will possess the knowledge and experience to be involved with small...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jan 21, 2026  
Senior HVAC Design Engineer
We are working with this leading multi national data centre and mission critical specialist who are working on schemes across UK and europe. With data centres being crucial components of today's infrastructure, supporting everything from business to public services. Operators must ensure the longevity, efficiency, and sustainability of their sites while optimizing them for mission-critical tasks. The teams are at the forefront of designing innovative and energy-efficient data centres, ensuring that our clients meet their goals of performance, cost-efficiency, and sustainability. 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 part of an interdisciplinary team of architects, advisors &...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Dec 28, 2025  
MEP Design Manager - Data Centres
Our client is a dynamic, fast growing data centre consultant operating both in the UK and internationally. They have grown rapidly and have earned a fantastic reputation across DC expansion projects, white space and hyper scale dc schemes To support these exciting schemes they are looking for an MEP Design Manager to join the team The Design Manager will oversee and coordinate the design aspects of construction projects from inception to completion. Your primary responsibility will be to ensure that the design meets our client's requirements, adheres to regulatory standards, and offer value engineering solutions. You will collaborate with architects, engineers, contractors, and the project team to develop and implement design strategies that align with project goals. Additionally, the Design Manager will coordinate with external designers for each project and report any design risks to the Projects Director. The ideal applicant will be from an Electrical or HVAC...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Dec 28, 2025  
Senior HVAC Design Engineer
We are working with this leading multi national data centre and mission critical specialist who are working on schemes across UK and europe. With data centres being crucial components of today's infrastructure, supporting everything from business to public services. Operators must ensure the longevity, efficiency, and sustainability of their sites while optimizing them for mission-critical tasks. The teams are at the forefront of designing innovative and energy-efficient data centres, ensuring that our clients meet their goals of performance, cost-efficiency, and sustainability. 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 part of an interdisciplinary team of architects, advisors &...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Dec 28, 2025  
Senior Electrical Design Engineer
We are working with a leader in the hyper scale global data centre space -their portfolio includes hyperscale facilities for global tech giants, multi-megawatt data halls, and cutting-edge colocation sites. This is an opportunity to work with a team that sets the benchmark for technical excellence and innovation in the data centre sector. The data centres are at stage two and three so a good time to become involved. The position is as a Senior or Principal Electrical Engineer, you will play a key role in designing and delivering complex electrical systems for large-scale data centres collaborating with multidisciplinary teams to ensure resilient, high-performance solutions for some of the most advanced facilities in the industry. What you'll need to succeed Strong experience in HV, LV, generators, and UPS systems, or a willingness to learn and develop in these areas. Proven background in electrical design within building services. Ability to manage projects and mentor...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Mar 29, 2026  
Electrical Design Engineer
Are you an electrical design engineer with experience of working on rail projects? Are you looking for an outside IR35 contract? Rate: £350 per day or £400 per day for CRE-D IR35: Outside Contract length: 1 year Location: Euston Station couple days and rest from home Job Role: The role is for the Euston station works. The project involves significant alterations to the main station, including new platform lighting, BMS upgrades, and moving services. The designer would focus on one of the four major work packages that is heavily electrical design-oriented. As part of a focused design team, you will be working on one of the four key work packages, which is predominantly electrical design-oriented. You will be responsible for creating and refining the electrical design solutions to meet the requirements of the station's modernization, ensuring that safety, compliance, and efficiency are prioritized. In this role, you will leverage your technical expertise to develop designs...
IR35 Status:
Outside IR35

CV-Library Central London, London WC2N 5DU, UK Contractor
CL
Jan 21, 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 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.- Skilled in Amtech, and Dialux/Relux, with AutoCAD and Revit proficiency being beneficial. Sound knowledge of British Standards and building...
IR35 Status:
Outside IR35

CV-Library City of London, London Contractor
CL
Dec 13, 2025  
Senior Public Health Design Engineer
Great long term requirement for Senior Public Health (Engineering) Design Engineer working for this innovative and mature Multi-disciplined Consulting Engineers across their major projects team To be clear this is a building services design role covering above ground drainage focusing on water supply, sanitation, drainage, and waste management, fire suppression system etc Candidates should be in a similar role with around five years experience Role would be a consulting position outside IR35 Your expert recruitment consultant is Trevor Parsons, call today on (phone number removed) or email (url removed) Eden Brown is committed to equality in the workplace and is an equal opportunity employer. Eden Brown is acting as an Employment Business in relation to this vacancy
IR35 Status:
Outside IR35

CV-Library City of London, London Contractor
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