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Contractor 35
Engineering Outside IR35 Hoddesdon

35 jobs found in Hoddesdon

CL
Sep 11, 2026  
Senior Mechanical Design Engineer
Senior Mechanical Engineer - Water Sector St Albans: Hybrid (3 Days Office) Contract: £45-£50/hr (Outside IR35) Advance TRS are supporting a rapidly growing consultancy in their search for a Senior Mechanical Engineer. Joining a newly formed London business unit, you'll have the unique opportunity to help build a team from the ground up, influence how projects are delivered, and play a significant role in the future growth of the business within the UK water market. You'll lead the mechanical design of clean water and wastewater projects, producing high-quality engineering solutions while mentoring junior engineers and coordinating multidisciplinary design teams. Key Responsibilities: * Deliver mechanical design solutions for water and wastewater projects * Produce calculations, reports, specifications and design drawings * Lead and review work from junior engineers and CAD technicians * Coordinate with suppliers, manufacturers and subcontract design teams * Ensure designs...
IR35 Status:
Outside IR35

CV-Library Hertfordshire, UK Contractor
CL
Sep 11, 2026  
Principal Mechanical Enigneer
Principal Mechanical Engineer - Water Sector St Albans: Hybrid (3 Days Office) Contract: £55-65p/h (Outside IR35) Advance TRS are supporting a rapidly growing consultancy in their search for a Principal Mechanical Engineer. Joining a newly formed London business unit, you'll have the unique opportunity to help build a team from the ground up, influence how projects are delivered, and play a significant role in the future growth of the business within the UK water market. You'll lead the mechanical design of clean water and wastewater projects, producing high-quality engineering solutions while mentoring junior engineers and coordinating multidisciplinary design teams. Key Responsibilities: * Deliver mechanical design solutions for water and wastewater projects * Produce calculations, reports, specifications and design drawings * Lead and review work from junior engineers and CAD technicians * Coordinate with suppliers, manufacturers and subcontract design teams * Ensure...
IR35 Status:
Outside IR35

CV-Library Hertfordshire, UK Contractor
CL
Sep 10, 2026  
Fire Extinguisher & Fire Service Engineer – North London
Fire Extinguisher & Fire Service Engineer– North London V7 Recruitment is currently looking for an experienced Fire Extinguisher & Fire Service Engineer for a long-term contract covering North London and surrounding areas. This is a great opportunity for an experienced fire engineer looking for consistent subcontract work, with a strong pipeline and backlog of work across social housing, residential and hotel contracts. We are looking for a well-rounded fire service engineer with strong experience servicing and maintaining fire extinguishers and fire suppression systems, who is fully qualified and BAFE certified. Scope of Work The successful engineer will be responsible for: Servicing and maintaining fire extinguishers Servicing and maintaining fire suppression systems General fire service and maintenance works Planned preventative maintenance (PPM) Fault finding and reactive maintenance Completing remedial works where required Completing service reports and relevant...
IR35 Status:
Outside IR35

CV-Library Hampstead Heath, London, UK Contractor
CL
Sep 11, 2026  
PLC Controls Engineer - Contract
PLC Controls Engineer – Contract | Dagenham We are currently recruiting 2 experienced PLC Controls Engineers for a major industrial automation and automotive manufacturing project in Dagenham. This is a hands-on commissioning role suited to engineers who are confident working independently in a live manufacturing environment, diagnosing faults, modifying PLC software and bringing automated production equipment online. Role Details Position: PLC Controls Engineer – Contractor Location: Dagenham Rate: £40-£50ph (Outside IR35) Working Hours: Monday–Friday, 07:30–16:00 Contract: Contractor position Vacancies: 2 The Role You will be supporting a major automotive automation project, working directly on production-line equipment and automated stations. The role will involve a combination of PLC programming, software modification, fault-finding and live factory commissioning. Candidates should be comfortable working under pressure and able to quickly diagnose issues between PLC logic...
IR35 Status:
Outside IR35

CV-Library Dagenham, UK Contractor
CL
Sep 11, 2026  
Commissioning Engineer - Contract
Commissioning Engineer – Schneider PLC | Dagenham | Contract Location: Dagenham, Essex Contract Type: Contractor Working Hours: Monday–Friday, 07:30–16:00 Rate: £40 - £50 (Outside IR35) Weekend Support: Approximately two weekends per month The Role We are looking for an experienced Commissioning Engineer to support an automated manufacturing project in Dagenham. This is a hands-on role combining basic PLC software development, commissioning, fault finding and production-line support. The successful contractor will work with Schneider Electric PLC systems, making software modifications and supporting the implementation and testing of changes on an operational production line. Key Skills Required Strong experience with Schneider Electric PLCs Proven experience with PL7 Experience with Unity Pro / EcoStruxure Control Expert Ability to make basic PLC software modifications and developments Strong commissioning and fault-finding experience Comfortable working directly on...
IR35 Status:
Outside IR35

CV-Library Dagenham, UK Contractor
CL
Sep 13, 2026  
Project Manager - BMS (contract)
BMS PROJECT MANAGER (Contract) London (hybrid/flexible) | 6-12 months | £400-£500 per day (Outside IR35) We're working with a prestigious client in the building controls industry who are looking for an experienced BMS (building management systems) Project Manager to oversee a range of small to large-scale projects across London and the surrounding areas. This is a great opportunity for someone with strong BMS expertise who enjoys leading projects from start to finish, ensuring quality, budget and timescales are consistently achieved. What you'll be doing: Leading contract meetings and managing project status from handover through to completion Working closely with customers to understand and deliver site-specific requirements Providing technical guidance to clients and colleagues across BMS projects Managing budgets, supplier orders and ensuring efficient project cash flow Designing control strategies, point lists and system descriptions for commissioning teams Staying up...
IR35 Status:
Outside IR35

CV-Library City of London, London Contractor
CL
Sep 12, 2026  
Digital Construction Manager
Canary Wharf, London | £300-£360 per day | Outside IR35 | 6-Month Contract We're looking for a Digital Construction Manager to join a main contractor on a major, long-term commercial fit-out and refurbishment project in Canary Wharf. The role will initially be hands-on, covering Revit modelling, overlays and model data validation, before developing into a management position overseeing trade coordination and Stage 5 design. It's particularly well suited to an experienced CAD / BIM Coordinator ready to step up into Digital Construction Management. What you'll be doing Producing and reviewing models using Autodesk Revit Supporting BIM coordination and model overlays Validating model data and digital information Coordinating MEP and wider trade packages Supporting Stage 5 design delivery Progressing into oversight of trade coordination and digital construction activitiesWhat we're looking for Strong Autodesk Revit and AEC suite experience Previous BIM / CAD coordination...
IR35 Status:
Outside IR35

CV-Library City of London, London Contractor
CL
Aug 18, 2026  
Electrical Fitter
Contract Electrical Fitter / Machine Wirer 3 Month Minimum Contract – 37.5 Hours – Monday to Friday Days £22p/h LTD / UMB - OUTSIDE IR35 Based Letchworth 5D Recruitment is proud to be working exclusively, and in partnership with a leading engineering company based in the heart of the home counties. Employing nearly 50 people they design, manufacture, assemble, test, and ship bespoke machinery from their new, world-class facility. They are market leaders in the concept design and manufacture of fully automated, high precision, bespoke machines which are used to complete complex functions required to guarantee the quality of the product. Working across a variety of industries their main markets include the medical and scientific sectors. They have long-standing agreements with some of the most renowned manufacturers in their sector, with a growing order book, combined with an excellent pipeline the future is looking exciting. What the Role Will Involve: * Building a bespoke...
IR35 Status:
Outside IR35

CV-Library Baldock, Hertfordshire Contractor
CL
Sep 04, 2026  
Electrical Engineer
Electrical Engineer (12-Month Fixed-Term Contract) Location: London (Hybrid – 2 days in the office, 3 days working from home) Rate: £50-55 per hour - outside IR35 Limited Company! We are seeking an experienced Electrical Engineer to join a specialist engineering team on a 12-month fixed-term contract with hydrid working available. This is an excellent opportunity to work on technically challenging single point mooring (SPM) projects supporting FPSO and FSO facilities within the oil & gas sector. Working as part of a multidisciplinary team, you will be responsible for delivering high-quality electrical engineering documentation, supporting vendors and site teams, and ensuring compliance with industry standards. Key Responsibilities * Prepare and review Ex equipment datasheets. * Develop and maintain electrical load lists. * Perform cable sizing and voltage drop calculations. * Prepare and review specifications for electrical equipment and LV...
IR35 Status:
Outside IR35

CV-Library Southwark, Greater London Contractor
CL
Aug 28, 2026  
Electrical Design Engineer
Electrical Design Engineer Contract | Outside IR35 | £45/hour Location: Hertfordshire - On-site initially, then hybrid working is a possibilty. *** UK residents only and must have full right to work in the UK without sponsorship *** An long term contratct opportunity has arisen for an experienced Electrical Design Engineer to join an innovative engineering team delivering complex industrial equipment. This is a hands-on contract role focused on producing high-quality electrical designs for new product development. The Role * Produce detailed electrical designs using AutoCAD Electrical and EPLAN. * Develop electrical schematics, control panel layouts and wiring documentation for industrial machinery. * Create and maintain Bills of Materials (BoMs) and support electrical testing, build and commissioning activities. Key Responsibilities * Design AC/DC power distribution and machine control systems. * Develop machinery safety circuits and associated technical...
IR35 Status:
Outside IR35

CV-Library SG6, Norton, Hertfordshire Contractor
CL
Sep 13, 2026  
SCADA/Controls Engineer (Remote)
SCADA & Controls Engineer – EMEA Delivery Location: Remote – EMEA Contract: 9–12 Months Sector: Renewable Energy / Battery Energy Storage Recruitment Partner: Spencer Ogden Outside IR35 The Opportunity Spencer Ogden is supporting a leading organisation within the renewable energy and battery energy storage sector in the search for an experienced SCADA & Controls Engineer to join their EMEA Delivery team. This is an excellent opportunity to work on utility-scale Battery Energy Storage System (BESS) projects, with responsibility for SCADA, controls engineering, grid integration, communications, testing and project delivery across EMEA. You will play a key role in developing and implementing SCADA and controls solutions, integrating BESS control systems with Transmission System Operator (TSO) Energy Management Systems (EMS), and ensuring projects meet technical, operational and grid compliance requirements. Key Responsibilities Lead the delivery of project-specific...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Sep 12, 2026  
Assistant Site Manager
We're looking for an experienced Assistant Site Manager to support the delivery of works at a 400kV substation. You'll work closely with the Site Manager, providing SR163 cover when required and supervising site teams and subcontractors to ensure works are delivered safely, efficiently and to programme. What you'll be doing Supporting the Site Manager across daily substation activities Providing SR163 cover when the Site Manager is off site Supervising subcontractors and monitoring site progress Ensuring compliance with CDM regulations and Safe Systems of Work Setting teams to work and monitoring activities through completion Issuing Permits to Dig and supporting site safety procedures Maintaining quality standards and supporting as-built informationWhat we're looking for Previous experience on HV / EHV substation projects Strong site supervision or management experience Knowledge of CDM regulations Experience implementing Safe Systems of Work Confident supervising...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Sep 11, 2026  
Mechanical Design Engineer
We are currently supporting a leading engineering business within the water treatment sector in their search for a Mechanical Design Engineer to join their growing team.  This is a long term contract, outside ir35 with remote working considered (must be based in the UK).  The Role You will act as the sole Mechanical Engineer across several concurrent projects, taking ownership of mechanical design input, specification, and procurement activities. Key responsibilities include: Specifying and procuring pumps, blowers, and steelwork fabrications Supporting delivery of multiple medium-scale water treatment projects Working closely with suppliers and fabrication partners across the UK Attending factory acceptance tests (FATs) at various UK sites Ensuring engineering solutions are delivered to quality, cost, and schedule requirements About You We are looking for a self-sufficient and fast-learning engineer who is comfortable taking ownership of their work. Ideally you will have:...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Sep 10, 2026  
Senior Machine Learning Engineer
Senior Machine Learning Engineer Location: London Hybrid | Salary: £60-£80ph – Outside IR35 Hexwired Recruitment has partnered with an innovative AI technology company developing next-generation machine learning solutions for complex real-world applications. Due to continued growth, they are looking for a Senior Machine Learning Engineer to join their expanding team in London. Required Experience * Strong C++ development skills. * Experience with CUDA for GPU acceleration. * Python and PyTorch experience. * Knowledge of Transformers, computer vision or image analysis. * Postgraduate or commercial experience within AI/Machine Learning This is an exciting opportunity to work on cutting-edge AI research, developing advanced machine learning technologies that will directly influence innovative real-world products. You'll work alongside a highly skilled team, solving complex technical challenges and shaping the future of AI systems. The company are rapidly expanding and are at...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Sep 08, 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
Sep 08, 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
Sep 08, 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
Sep 08, 2026  
BMS Commissioning Engineer
BMS Commissioning Engineer, Cylon or Tridium London £330 to £400 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. £330 - £400...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Sep 08, 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
Sep 08, 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
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