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Contractor 31
Construction Outside IR35 Hertford

31 jobs found in Hertford

CL
Mar 05, 2026  
Construction Manager (Nights)
Senior Construction Manager (Client side)  Outside Ir35  12 Month Contract  This role supports multi-million-pound, complex capital development programme that are essential to the airport’s long-term growth, safety, and operational resilience. The Senior Construction Managers play a pivotal role in enabling the airport to meet its strategic growth targets, ensuring the timely and compliant delivery of high-value infrastructure and assets that support increased passenger capacity, operational efficiency, and commercial development. Projects are scoped, designed, and executed to meet regulatory obligations, enhance customer experience, and align with the airport operator’s capital investment and sustainability strategy. The Senior Construction Managers contribute to the full project lifecycle, from initial concept and business case through to delivery and handover, ensuring that each project is efficiently managed and aligns with all required standards. In Partnership with client...
IR35 Status:
Outside IR35

CV-Library Essex, UK Contractor
CL
Feb 26, 2026  
Contract PSV Engineer
Contract PSV Engineer “Are you looking for ongoing opportunities as a PSV Engineer and to develop your skillset?” Why work as a Venatu Contractor? * Wages paid weekly. * Roles inside and outside of IR35. * Local work wherever possible, as well as national opportunities, short and long-term contracts available. * Developing your skill set, training courses subject to meeting the criteria. * Technical backup from a qualified engineer. What you will be doing as the PSV Engineer: * Carry out repair and maintenance to exceed DVSA standards. * Diagnostics and repair of mechanical faults including steering, brakes, air systems, driveline but not limited to. * Diagnostics and repair of electrical, and body systems. Use diagnostic equipment to assist diagnostics. * Routine inspection and servicing to maintain roadworthiness and MOT standards. * Carry out major unit changes and repairs where applicable. * Complete necessary paperwork including service...
IR35 Status:
Outside IR35

CV-Library Harlow, Essex Contractor
CL
Feb 26, 2026  
Contract PSV Engineer
Contract PSV Engineer “Are you looking for ongoing opportunities as a PSV Engineer and to develop your skillset?” Why work as a Venatu Contractor? * Wages paid weekly. * Roles inside and outside of IR35. * Local work wherever possible, as well as national opportunities, short and long-term contracts available. * Developing your skill set, training courses subject to meeting the criteria. * Technical backup from a qualified engineer. What you will be doing as the PSV Engineer: * Carry out repair and maintenance to exceed DVSA standards. * Diagnostics and repair of mechanical faults including steering, brakes, air systems, driveline but not limited to. * Diagnostics and repair of electrical, and body systems. Use diagnostic equipment to assist diagnostics. * Routine inspection and servicing to maintain roadworthiness and MOT standards. * Carry out major unit changes and repairs where applicable. * Complete necessary paperwork including service sheets to a good...
IR35 Status:
Outside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Mar 01, 2026  
Pipefitter
Pipefitter NW8 starts 16.02.2026 Duration -4 months £28 per hour Ultra Prime Residence Copper Pipe works - all soldered (will need full tools, and transport to site) CSCS required For more information, please call David Bates @ ARM on (phone number removed) Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited ("ARM"). ARM is a specialist talent acquisition and management consultancy. We provide technical contingency recruitment and a portfolio of more complex resource solutions. Our specialist recruitment divisions cover the entire technical arena, including some of the most economically and strategically important industries in the UK and the world today. We will never send your CV without your permission. Where the role is marked as Outside IR35 in the advertisement this is subject to receipt of a final Status Determination Statement from the end...
IR35 Status:
Outside IR35

CV-Library Camden, London Contractor
CL
Feb 28, 2026  
Site Supervisor (Black Hat)-London-Civils/HS2
URGENT FREELANCE NEED OUTSIDE IR35! Due to an increase in work on their HS2 projects which include major Gas, Water and Electric Diversions and associated Civils works, our client, an award winning Contractor is looking for a Site Supervisor for this to be based just north of Euston. Daily duties to include overseeing labour on site, tool box talks, inductions and reporting and ultimately pushing the works on at site level so it is a hands on out on site role. To be considered for this role, you will have a minimum of SSSTS/SMSTS, CSCS Gold Card and First Aid and you MUST have solid Civil Engineering and Utilities experience with HS2 also a major advantage. In return, a top day rate is on offer which is Outside IR35 (CIS/Ltd) and comes with an immediate start and long term contract which is likely to go until at least the end of 2026! This really is a great opening with a top team who we know well so if interested, please send a copy of your CV to Dave Rowe by email or call Dave on...
IR35 Status:
Outside IR35

CV-Library Camden, Greater London Contractor
CL
Feb 26, 2026  
BMS Service Engineer
BMS Service Engineer - Contract Rate: Up to £380 per day (Outside IR35) Contract Length: Initial 6 months (strong likelihood of extension) Location: London - travel across Greater London required We're working with a well-established and highly regarded organisation that is looking to bring on an experienced BMS Service Engineer for a long-term contract across London. You'll be supporting a portfolio of high-spec commercial and industrial buildings, working with modern BMS technologies in a varied, field-based role. The Role Service, maintenance, fault-finding and commissioning of BMS systems Attending multiple sites across Greater London Working on a range of modern, technically advanced buildings Opportunity to receive training on additional BMS platforms Field-based position requiring strong autonomy and organisation What We're Looking For Proven experience working with BMS systems (Trend, Tridium, Siemens or similar) Strong fault-finding and diagnostic capability...
IR35 Status:
Outside IR35

CV-Library City of London, London 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 11, 2025  
Senior Electrical Design Engineers
Great opportunity with a market leader to join their mission critical team working on key long term projects within the DC space - both hyper scale and co-lo. They are a global player with an outstanding market leader with a great pipeline of future work They are looking for experienced senior/ principal or associate level design engineers to join them or a long term basis working on a hybrid or semi-remote basis (by agreement) You should have current and developed experience as an electrical design engineer within the building services space and also with the mission critical / data centre space. Excellent rates and 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
CL
Nov 01, 2025  
MEP REVIT Technician
MEP REVIT Co-ordinator We have an immediately available position for an experienced MEP Biased Co-ordinator to join this thriving Consulting Engineers on an initial 4-6 Month contract The Revit Coordinator should be capable to coordinate the MEP services and confident to sit on BIM Coordination meetings The position is 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
CL
Oct 31, 2025  
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
Mar 05, 2026  
Senior Quantity Surveyor - London
Freelance Senior Quantity Surveyor We are working with a prestigious Contractor who are recruiting for a Senior Quantity Surveyor to work on Rail and Civils projects based in London. They will consider people from a building Location: London Remuneration: £450 - £600 per day Outside IR35 The role The successful Quantity Surveyor will be working on Rail Civil Engineering projects using NEC contracts. They are open to people with different sector experience. Requirements - Rail or Civils experience ideally however open to people with different sector experience - NEC or JCT forms of contract knowledge - Take off experience - Princing knowledge If interested in further details please contact John Baker or Katherine Oxlade --- Fusion People are committed to promoting equal opportunities to people regardless of age, gender, religion, belief, race, sexuality or disability. We operate as an employment agency and employment business. You'll find a wide selection of...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Mar 04, 2026  
Fire Stopper - West London
Fire Stopper – West London £180 per day + mileage | Outside IR35 | 6-Month Rolling Contract We’re currently looking for an experienced Fire Stopper to join an ongoing programme of works across West London. This role is strictly for engineers based in West London, as all projects are centrally located in this area. 📍 Location West London only (must be local)💷 Rate & Contract £180 per day + mileage and congestion etc.  Outside IR35 6-month rolling contract Weekly pay every Friday ASAP start🏗️ Project Type Social housing projects Ongoing, long-term programme of works✅ Requirements NVQ Level 2 in Passive Fire Protection (minimum) Proven experience carrying out fire stopping works Own vehicle essential – ideally a van or a large car Ability to work independently and maintain quality standards Right to work in the UK🔧 Scope of Works (typical) Penetration sealing Fire collars, batt & mastic General passive fire protection works within occupied housingThis is a great opportunity...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Feb 28, 2026  
Registered Building Inspector (Contract)
Registered Building Inspector (RBI 2D+) – Contract Opportunity 🚨 A client of ours is looking to appoint a Registered Building Inspector (RBI 2D+) to support their Building Control team on a long-term contract basis. This is a well-established, close-knit team where team dynamic and personality fit are a key priority, alongside strong technical capability. The role offers excellent flexibility and long-term stability. What’s on Offer * Role: Registered Building Inspector (RBI 2D+) * Location: London * Working Pattern: 2 days on site / 3 days from home (very flexible) * Rate: £65 – £75 per hour (dependent on experience) * IR35: Outside IR35 * Contract Length: 6-month+ rolling contract with strong extension potential The Opportunity You will be joining a supportive Building Control service carrying out predominantly domestic and lower-end commercial work, with the option to pick up higher-risk / more complex projects if desired. Hybrid working is fully...
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 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
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
Jan 14, 2026  
REVIT MEP Technician
We are working with a thriving London office of an Global MEP Consulting engineers. They are looking for an experienced MEP REVIT technician to join them on an on going contract based in their Central London offices This is an on-going requirement outside IR35 Candidates should have three years plus specific REVIT MEP experience working either for a Consulting Enginers/ Contractor or REVIT Bureau 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 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
Oct 08, 2025  
Senior Electrical Design Engineer
We are excited to be working with a modern, innovative Building Services Consultancy, 25 strong, who are looking for a Senior Electrical Engineer to join their close-knit team. Having met and engaged with them, I can personally vouch for their amazing culture - everyone is genuinely supportive, and mentorship is deeply ingrained in how they help their team grow. It's the kind of place where your career can soar - with endless opportunities for growth, the sky's truly the limit here! Role Overview: As a Senior Electrical Engineer, you'll take the lead on a range of exciting projects, bringing your technical know-how and design flair to the forefront. You'll ensure that every project - be it a cutting-edge commercial build or a prison refurbishment is delivered to the highest standards, meeting, and exceeding client expectations. You'll need a degree in Electrical Building Services Engineering (or something similar) along with 5+ years of experience in an Engineering...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
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