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Contractor 38
Engineering Outside IR35 Staines Upon Thames

38 jobs found in Staines-upon-Thames

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
Mar 01, 2026  
Electrical Design Engineer
Job ID: 27649 Role: Electrical Design Engineer Location: Ascot (Hybrid working - minimum 2 days in office) Type: Contract - Outside IR35 Duration: Initial 6 months Start Date: ASAP Hours: 37.5 per week The Opportunity An established building services consultancy is looking to appoint an Electrical Design Engineer on a contract basis to support a strong pipeline of work. The role will focus primarily on retail projects for major blue-chip clients, including large national retailers. This is an initial 6-month contract, with the potential for ongoing work for the foreseeable future for the right individual. The Role You will be responsible for delivering electrical building services designs across retail-led projects, working closely with internal teams and clients in a collaborative environment. Key Responsibilities Produce electrical designs and technical documentation for building services projects Support projects from concept through detailed design stages...
IR35 Status:
Outside IR35

CV-Library Ascot, Berkshire Contractor
CL
Dec 04, 2025  
5359 - E&I Package Manager
E&I Package Manager Surrey (hybrid) circa £70 per hour LTD (Outside IR35) initially 12 months Mon-Fri Advantage Resourcing is partnering with a leading engineering organisation to recruit an E&I Package Manager based in Surrey. You will be responsible for the delivery of major electrical packages for a significant Brownfield / Greenfield facility.   What will you be doing? Be the focal point between the Client and the Business Work with packages which include modifications to the existing power management system, existing 11kV switchgear and for new transformers, as well as other Electrical equipment such as 110kV switchgear, etc. Drive the multi-functional delivery, including integrating with the construction team on ROS dates, build sequence etc and facilitating stakeholder buy-in. Support the engineering disciplines with a broad understanding of the scope.  A couple of things you should know: Solid engineering background to facilitate technical issues...
IR35 Status:
Outside IR35

CV-Library Oxshott, UK Contractor
CL
Mar 01, 2026  
Power Systems Engineer
We're currently seeking two experienced Power System Studies Engineers to support major international onshore energy projects. Key Details Start: ASAP Rate: £65 per hour (Outside IR35) Location: Surrey Working Pattern: 4 days onsite / 1 day remotePurpose of the Role You'll be providing power system studies support for onshore projects, working closely with project teams and external vendors to deliver high-quality engineering studies. Scope of Work Running and reviewing power system studies Equipment sizing and system analysis Overseeing third-party study vendors Delivering studies using EMT softwareSkills & Experience Required Experience with captive power generation with proven capability in: Load flow Short circuit Dynamic motor starting Harmonic studies Arc flash Transient stability Intermediate proficiency inETAP, with a strong understanding of power systems within large-scale onshore projects To apply please follow the link on this advert. RHL is a recruitment...
IR35 Status:
Outside IR35

CV-Library Surrey, UK Contractor
CL
Feb 28, 2026  
Handback Engineer
Are you a Handback Engineer with Rail Telecoms experience? Have you previously worked for a Tier 1 or Tier 2 rail contractor on telecoms projects? Location: Surrey (5 days a week, no work from home) Rate: £250 to £300 per day dependent on experience OUTSIDE IR35 Contract Length: 6 months rolling We are seeking an experienced Handback Engineer to support a subcontractor on major rail infrastructure projects. This is a hands-on role within the telecoms function, focused on ensuring that systems are fully tested, compliant, and ready for operational use before formal handback to the client. You will be expected to collate and maintain Installation Test Packs (ITPs) and redline drawings to reflect all changes and as-built conditions, ensuring the client receives a complete and accurate handback package. Due to the nature of the work, only candidates with previous handback experience within a Rail Telecoms environment can be considered for this opportunity. Essential: Proven...
IR35 Status:
Outside IR35

CV-Library Surrey, UK Contractor
CL
Feb 25, 2026  
Revit Technician (M&E)
Our client is a well-established engineering firm currently seeking to recruit several Revit Engineers/Technicians for a major M&E project within the North London area This is a long-term opportunity to contribute to a large-scale rail project. They are looking to bring on board around eight Revit Engineers/Technicians to support the ongoing works. This is an excellent opportunity to be part of a significant project, with the option to work on a hybrid basis. Details: * Day Rate £320 – 350 a day Outside IR35 * Payments: Weekly * Duration: 2 - 4 years worth of work * Hybrid Working: Looking for 3 days on site 2 days working from home * Start Date: ASAP What they are looking for? * Someone who has strong experience with Revit * A good understanding of M&E based design works * The ability to work both individually and as a team * The ability to work in a fast pace environment If this role seems of any interest, please feel free to call Adam on the details...
IR35 Status:
Outside IR35

CV-Library Harrow, Greater London Contractor
CL
Feb 13, 2026  
Senior MEICA Commissioning Engineer
️ Senior MEICA Commissioning Engineer | Clean Water | Affinity Water Region Looking for a role where you can use your commissioning expertise before the kit even hits site? This is a senior-level position for someone who’s confident working across both delivery and pre-construction, shaping the commissioning approach, supporting design development, and guiding a small team across clean water projects within the Affinity Water region. You’ll be joining a leading contractor delivering a major AMP8 clean water programme where your input will directly influence design, delivery, and successful handover. 💡 The Role You’ll work closely with the Commissioning Manager, providing leadership and technical oversight across multiple projects. From writing commissioning plans and programmes to supporting the pre-construction phase, you’ll be the go-to person for all things MEICA commissioning. What you’ll be doing: • Leading the planning, coordination and delivery of commissioning...
IR35 Status:
Outside IR35

CV-Library Rickmansworth, Hertfordshire Contractor
CL
Feb 05, 2026  
Senior Electrical Design Engineer - MEP
Senior Electrical Design Engineer - Building Services Contract (Outside IR35) Hybrid Watford Office-Based We have a current opportunity for a Contract Senior Electrical Design Engineer on a contract basis. The position will be based in Watford. For further information about this position please apply. About the role: * Projects - spread across a wide range of sectors, though high amount of healthcare projects * Contract Length - 6 months (can be extended) * Location - Watford Requirements: * Experience working on complex projects * Experience working for a building services consultancy/contractor * Have experience leading/coordinating a team On offer is an excellent contract rate of between £45 - £50p/h for the successful applicant. This is an Outside IR35 assignment. About Energi People Energi People is a highly specialised recruitment consultancy with a strong foothold in the global built environment sector for over 20 years. We excel in connecting technical...
IR35 Status:
Outside IR35

CV-Library Watford, Hertfordshire Contractor
CL
Mar 05, 2026  
Senior Surveyor Engineer
Senior Surveyor HS2 Bulk Earthworks and Drainage Watford Freelance 12 month contract Outside IR35 or CIS  A tier 1 joint venture delivering major works on HS2 is looking to appoint an experienced Senior Surveyor to support bulk earthworks, drainage, highways, and associated infrastructure works based in Watford. Key Responsibilities Site surveying and setting out Carry out accurate setting out for earthworks, drainage, structures, and highways using Total Station and GPS Undertake regular surveys and checks to ensure works meet design requirements and tolerances Identify and resolve dimensional or setting out issues with the site team Provide guidance to site engineers on best practice 3D modelling Use Civil 3D or similar software to produce and update construction models Complete earthworks cut and fill analysis Generate models for machine control, GPS plant, and setting out Produce accurate as built records, drawings, and digital models GPS machine control Upload and...
IR35 Status:
Outside IR35

CV-Library Sarratt, UK Contractor
CL
Mar 05, 2026  
Lead AWS Data Engineer
Lead AWS Data Engineer | London | Finance | AWS | Java | Outside IR35 | Contract | 12 Months Opus is partnered with financial services client to deliver a major programme of work. You’ll join an established engineering group, working alongside internal teams to build a new reporting workflow, upgrade an existing pipeline, and lead a full data‑sourcing uplift across multiple reporting workflows. The team will also be responsible for helping upgrade the framework for two critical internal workflows. This role will require you to be on site in either the London or Birmingham office 5 days per week, please only apply if you hit this criteria. Required Experience Strong background in data engineering within distributed data environments Hands-on expertise with AWS, Spark, Glue, and Snowflake Experience building and optimising data pipelines & reporting workflows Ability to work closely with internal engineering and controls teams Experience upgrading or modernising existing...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Mar 04, 2026  
BMS Design Engineer
I require a BMS Design Engineer to work on a long term project for the next 2 – 4 years on a contract basis. Hybrid role (Based 100% at home) + Paying £450 – 500 a shift + Outside IR35 + Weekly payments The role: As the BMS Project Engineer or BMS Design Engineer you will work on the design and technical responsibility on projects based in the UK. You will have extensive knowledge of the BMS industry understanding all design and technical requirements on a project. You will need to communicate professionally and confidently with all members of the project team as well as building strong working relationships with clients. Key skills required: Previous experience as a BMS Project Engineer or BMS Design Engineer similar and fantastic technical knowledge of the BMS Industry. Based 100% at home + Paying £450 – 500 a shift + Outside IR35 + Weekly payments For more information on this fantastic opportunity, send your CV or call Simon Bedlow on the numbers provided. Keywords – BMS...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Mar 01, 2026  
Self-Employed Electrician (EICRs)
Self-Employed Electrician (EICR) Outside IR35/Self-Employed 3 - 4 days per week initially £200pd - £400pd + Contract Length: 6 months + Location: London - SE/SW/E Postcodes Are you an Electrician with a background of Testing and Inspection looking for your next immediately available, days-based contract position which will be outside IR35 for a market leading electrical and Gas services provider? Are you looking to add 4-5 days per week to your current workload? The company are a highly respected industry leader in their field who offer electrical and gas services throughout the UK. As the company continue to grow from strength to strength, a new position has opened up within the business for a Test & Inspection Electrician. The successful candidate will need to be 18th edition qualified Electrician and hold testing and inspection qualifications (City & Guilds 2391 or C&G's 2934+2935), as well as being Level 3 qualified in Electrical Installations. The ideal...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Feb 28, 2026  
ELECTRICAL DESIGN ENGINEER
Electrical Design Engineer (Contract - Outside IR35) Location: London (Southeast) Contract Type: Contract IR35 Status: Outside IR35 Duration: 6 Months Start Date: ASAP (05/02/2026) Hours: 40 hours per week Role Overview An experienced Electrical Design Engineer is required to support a portfolio of TfL infrastructure projects, primarily focused on ticket hall lighting and smaller electrical works across stations and depots. This is a contract role suited to a hands-on designer with strong experience in building services electrical design within live transport environments. Key Responsibilities Electrical design delivery for TfL station and depot projects Ticket hall and general station lighting design Small-to-medium electrical packages within operational environments Coordination with internal design teams and stakeholders Production of electrical design documentation and drawings Involvement with CMS/control management systems (desirable) Key Requirements Proven...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Feb 27, 2026  
AI Engineer- Insurance Experience- 6 month contract
A leading London insurance firm is looking for a hands-on AI Engineer with a Data Science background to build cutting-edge AI solutions across the business. Contract: 6 months IR35: Outside Location: London (onsite once per month) Start: ASAP What you’ll work on Building Agentic AI workflows and automation Designing RAG pipelines for insurance data Developing LLM-powered tools using Python, LangChain, LlamaIndex, and vector databases Evaluating, fine-tuning, and integrating LLMs (OpenAI/Anthropic/Mistral) Collaborating with Data Science & Engineering teams to productionise modelsWhat you’ll need Strong Data Science + AI Engineering background Hands-on experience with Agentic AI, RAG, LLMs, LangChain, Python Knowledge of vector search, embeddings, and scalable pipelines Experience working in enterprise or regulated environments Must have insurance domain experience Insurance domain experience Please note: This role does not provide sponsorship and all applicants must have...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Feb 27, 2026  
Mechanical Engineer
Job Title: Intermediate/Senior Mechanical Engineer - 12 Month Contract or Permanent Location: Mostly remote (occasional travel to London) Contract Rate: £45-£53 per hour outside IR35 or Permanent Salary: £50-£60k About the Role: We are seeking an experienced Mechanical Engineer to join a dynamic team focused on innovative engineering solutions in the water and environmental sector. This role offers the flexibility of primarily remote work, with occasional visits to the London office, and provides the opportunity to work on cutting-edge projects in a collaborative environment. Key Responsibilities: Design, develop, and optimise mechanical systems and components. Prepare detailed engineering drawings, specifications, and documentation. Work closely with project teams to deliver solutions from concept through to installation and commissioning. Support project planning, risk assessment, and troubleshooting mechanical issues. Ensure compliance with relevant industry standards,...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Feb 17, 2026  
Bms Project Engineer
Role: BMS Project Engineer Day Rate: Up to £460 a day Outside IR35 Location: London Overview Our client is an established Building Management System (BMS) company with several ongoing projects in the London area. They are looking to recruit a BMS Project engineer with experience in Schneider Ecostruxure systems. For this role they are seeking engineers with experience in software writing and graphics experience on BMS systems. The Client The client is a medium-sized company managing multiple large-scale commercial projects in London. They specialise in BEMS projects, offering design, installation, commissioning and service works. Currently they have several projects using Schneider Ecostruxure systems which are expected to continue for the next few years. Responsibilities The client is seeking BMS Project Engineers with the following experience: * Experience with Schneider Ecostruxure systems * BMS software writing experience * BMS graphics...
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 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 Commissioning Engineer
BMS Commissioning Engineer, Cylon or Tridium London £300 to £340 per day, Weekly pay Our client requires an accomplished BMS (Building Management Systems) Commissioning Engineer with Cylon Controls (or Tridium) experience to work on a major prestigious project in Central London. The work will involve the commissioning of Fan Coils Units using Cylon Controls, with on-going major plant commissioning works available thereafter. This contract will initially run for 6 months, however opportunity for extension and to join exciting projects in the future will be available for the right candidate. Role Profile The successful applicant for this BMS Commissioning Engineer role will need to have  experience of using Cylon or Tridium controls to commission Fan Coil Units and major plant Key skills required:-   Experienced in the Commissioning of Building Management Systems (BMS) Qualified and experienced with Cylon or Tridium Control systems. CSCS Skill Card or equivalent. £300 - £340 –...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
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