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Contractor 29
Outside IR35 Letchworth Garden City construction

29 construction jobs found in Letchworth Garden City

CL
Jul 18, 2026  
M&E Manager
Location: Wymondley 400kV Substation, Hertfordshire Rate: £500 per day (subject to review when stepping into SR163 Site Manager role) Contract Type: Full-time, site-based, contract Duration: 6-month (part of an 18-month programme - high probability of extension) Hours: Monday to Friday, 10-hour days with occasional weekends IR35 Status: Outside IR35 MRR Infrastructure is supporting the delivery of a major 400kV substation build as part of the UK’s National Grid transmission infrastructure. This global engineering-led consultancy is a key delivery partner across multiple National Grid frameworks, known for its safety-first approach and commitment to technical quality. We are seeking an experienced M&E Manager to lead the mechanical and electrical workstreams on site. This position will initially support the Site Manager in day-to-day delivery and supervision, with the expectation to step into the SR163 Site Manager role as the project progresses. This is a critical,...
IR35 Status:
Outside IR35

CV-Library SG4, Ippollitts, Hertfordshire Contractor
CL
Jul 18, 2026  
Quantity Surveyor
Our client is proud to design and build projects and careers. We are committed to fostering a welcoming and collaborative work environment that encourages big-picture thinking, brings out the best in our personnel, and helps us develop innovative solutions that contribute to building a better world together. If this sounds like a culture you would like to work in, you are invited to apply for this role. Our client, a globally leading EPC organisation, is seeking a Contracts Administrator / Quantity Surveyor to join a major capital project based in Royston. Working as part of the site delivery team, you will provide contract administration support to the Contracts Manager and Construction Manager, ensuring effective management of construction contracts throughout the project lifecycle. This role is ideally suited to a mid-level Contracts Administrator or Quantity Surveyor with approximately 5–10 years of experience supporting site-based construction projects within the process,...
IR35 Status:
Outside IR35

CV-Library Royston, Hertfordshire Contractor
CL
Jul 15, 2026  
Electrical Commissioning Technician
Astute's Power Team are currently recruiting for an Electrical Commissioning Technician to join the commissioning team for their OCGT plant based Stewartby, Bedfordshire on an initial 4 months contract basis. The Electrical Commissioning Technician position come with a day rate from £400.00 to £475.00 outside of IR35. Role responsibilities and key skills for the role: Hands-on commissioning of electrical components and systems such as, transformers, medium/low voltage switchgears, DC systems, rectifiers, inverters, motorized valves, instruments etc. Fully competent at using Primary & Secondary Injection test set equipment. Assist the commissioning engineers in carrying out testing on electrical systems and equipment, as well as system optimization and troubleshooting and filling-in the respective commissioning documentation and protocols Participation in the walk-downs for Turnover from construction to commissioning, identifying open items that prevent system start-up....
IR35 Status:
Outside IR35

CV-Library Stewartby, Bedfordshire Contractor
CL
Jul 17, 2026  
Health and Safety Advisor
Health and Safety Advisor (2 Days/week) Day Rate: £500 (Outside IR35) Location: East Hertfordshire Duration: 6 Months Are you experienced in managing health, safety, and environmental challenges within water utilities or similar infrastructure projects? Would you enjoy supporting a vital contract that ensures safe operations across multiple sites? We are seeking a proactive Health and Safety Advisor to support a water utility framework, specialising in construction, maintenance activities, and operational safety. This flexible role involves working two days per week, with responsibilities including: Conducting site inspections, safety audits, and incident investigations. Reviewing risk assessments and method statements (RAMS), delivering toolbox talks, and providing practical safety advice to operational teams. Supporting compliance with UK health, safety, and environmental legislation, including CDM 2015. Assisting with safety audits, reports, and ensuring framework standards...
IR35 Status:
Outside IR35

CV-Library East Hertfordshire, Hertfordshire Contractor
CL
Jul 17, 2026  
Lead Civil Engineer
Lead Civil Engineer (Contract) Working Location Hemel Hempstead (Hybrid / Flexible Working) Contract Type Contract Outside IR35 Water | Infrastructure | AMP Programmes Role Overview If you are a Senior or Lead Civil Engineer looking for a long-term contract opportunity where you can influence technical delivery while supporting a growing engineering team, this role offers a strong platform to make an impact on major water infrastructure projects across the UK. The position focuses on technical leadership across regulated water projects, driving quality design and supporting a multidisciplinary engineering team. Why This Role Stands Out Outside IR35 contract Long-term programme of secured AMP work Flexible hybrid and remote working options Opportunity to lead technical delivery across multiple projects Strong pipeline of water and wastewater infrastructure schemes Key Responsibilities Lead civil engineering design activities across water infrastructure projects Provide...
IR35 Status:
Outside IR35

CV-Library Hemel Hempstead, UK Contractor
CL
Jul 14, 2026  
Freelance Senior Quantity Surveyor
PSR Solutions is working with a civil engineering contractor, to recruit a Freelance Senior Quantity Surveyor on a infrastructure package in Cambridge. This will be a site based role. My client is looking for a SQS with a minimum of 2 years Civils experience. Change Management experience is also desirable Pay rate £400-£450 a day The role will be Outside of IR35
IR35 Status:
Outside IR35

CV-Library Cambridgeshire, UK Contractor
CL
Jul 16, 2026  
Senior Mechanical Design Engineer
Senior Mechanical Design Engineer - Building Services / MEP Location – South Bucks – Hybrid Working – Duration 3 months + Rate £40 - £45 per hour, Outside IR35 Mechanical Design Engineer / Senior Mechanical Design Engineer / MEP This role is to join an established firm of Building Services Consulting Engineers covering a varied range of projects including high end commercial, sport and leisure, education, healthcare and science, and high rise residential. Key Responsibilities: * Undertake design calculations * Delivering detailed mechanical designs on a wide variety of projects * Specifying maintenance and operating procedures * Using Revit and amending 3D models * Attending meetings as required Experience & Skills Required * You will be a mechanical design engineer with at least 4 to 5 years’ experience in building services. * Ideally you will have a degree in a relevant subject or accredited building services degree. * Experience of Revit and the ability to...
IR35 Status:
Outside IR35

CV-Library HP22, Wendover, Buckinghamshire Contractor
CL
Jul 16, 2026  
Site Agent-Highways Technologies-Herts-Outside IR35
Due to an increase in workload within their Highways division on the Technologies side, our client, a top Regional Contractor are seeking the services of a Site Agent to oversee works including CCTV, Speed Sign Upgrades, Lighting and other areas all on their M25 Framework and based from their offices in Chigwell and or Dartford. The role will include orgainsing new schemes including Design, Planning works, Commerical and Health & Safety and ultimately ensuring they are run to time and budget. To be considered you will hold SMSTS and CSCS certification as a minimum and be a proven Site Agent within this area of Highways works. In return, a top day rate is on offer which is Outside IR35 and comes with a long term contract. Great opening so if interested, please send a copy of your CV to Dave Rowe by email or call Dave on (phone number removed)
IR35 Status:
Outside IR35

CV-Library Chigwell, Essex Contractor
CL
Jul 14, 2026  
Quantity Surveyor-West London-Civils
Due to an increase in workload, our client, an award winning family owned Contractor has the need for a Quantity Surveyor to support Commercial activities on schemes including on Thames Water, Groundworks, Drainage and HS2 schemes they have secured. Based from their offices in North West London, daily duties include Valuations, Issuing Payments, CVRs/Commercial reporting and Variations. To be considered for this role, you will have a minimum of an HNC in Quantity Surveying and will have circa 5 years experience gained within the Infrastructure sector and with reputable Contractors. In return, a top day rate is on offer which is Outside IR35 and comes with a long term contract! This is a great role with a really good client so if interested, please send a copy of your CV to Dave Rowe by email or call Dave on (phone number removed)
IR35 Status:
Outside IR35

CV-Library Ealing, Greater London Contractor
CL
Jun 29, 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 Hyper scale 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.- Sound knowledge of British Standards and building regulations.- Strong communication skills.-. Your expert recruitment consultant is...
IR35 Status:
Outside IR35

CV-Library City of London, London Contractor
CL
Jul 17, 2026  
Structural/ Mechanical Engineer - Finite Element Analysis
Are you a Structural Engineer or Mechanical Engineer with excellent Dynamic Analysis & Finite Element Analysis (FEA) experience? Are you looking to work on a first of its kind engineering challenge? Location: Birmingham or London (1 day per week in the office) Rate: Dependant on experience outside IR35 Contract length: Ongoing Job Role: This is an opportunity to work on one of the UK's most technically demanding infrastructure projects. We're looking for a Structural Engineer or Mechanical Engineer with expertise in Finite Element Analysis (FEA), dynamic analysis and fatigue assessment to help solve a unique engineering challenge involving high-speed rail infrastructure. Unlike traditional structural engineering roles, this project requires advanced analytical modelling to understand how cable management systems respond to complex aerodynamic loading generated by trains travelling at speeds of up to 360 km/h. The engineering problem is unlike anything previously...
IR35 Status:
Outside IR35

CV-Library Central London, London WC2N 5DU, UK Contractor
CL
Jul 18, 2026  
Electrical Project Manager
Electrical Project Manager - London Location: London Contract Length: 3 months + Start date: ASAP Rate: DOE (Outside IR35) Project Sector: Commercial and Residential fit outs ranging from £5k - £3m About the Role: g2 are seeking an Electrical Project Manager to support Commercial and Residential fit out projects in London. Ranging from £5k - £3m the PM must have experience running small contracts simultaneously alongside running larger projects. The role is a 3 month contract with the potential for extension, requiring an immediate start. What We're Looking For: * Proven experience as an Electrical Project Manager within the construction industry, ideally with a focus on Commercial fit out or similar projects. * Experience running design and build projects within the commercial sector essential * Experience in running multiple small and large projects at the same time. If you are a highly skilled Electrical Project Manager and you are looking for an exciting...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 17, 2026  
Registered Building Inspector (Contract)
Registered Building Inspector - Class 2A+ (Contract) Rate: £60 - £65 per hour (Outside IR35) Location: London (within the M25) Employment Type: Contract Overview Confido are exclusively partnering with a well-established and highly regarded Building Control team, supporting them with a confidential opportunity that has arisen for a Registered Building Inspector (Class 2A+) on an Outside IR35 contract basis. This role is focused purely on site inspections across a range of domestic projects within the M25. The position offers a flexible and manageable workload, with projects located in close proximity to one another, making it well-suited to contractors seeking a balanced and sustainable day-to-day routine. Our client will consider candidates on both part time and full time hours, with areas adapted to suit your location. They will also consider candidates on a 'per inspection' basis. Key Responsibilities * Undertake site inspections across a range of domestic...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 17, 2026  
Senior Revit MEP Coordinator
Senior Revit MEP Coordinator x 3 Bank, London £35-£37ph Ltd Co (OUTSIDE IR35) We are looking for three experienced Revit MEP Coordinators to join a MEP Subcontractor on a live project near Bank Station in London. The contract will be for an initial 6 months and you will be based on site 3 days per week, the other 2 will be at home. The project is a large CAT A Commercial Fit Out over 9 floors. You will be working alongside our clients BIM Manager throughout the remainder of the project. You need to have the following to be considered for the role: * In depth experience with Revit MEP & Navisworks on projects on site * Availability to start in the next 2 weeks Laptop & software will be provided. We have interview slots booked for early next week. We cannot offer sponsorship for this role
IR35 Status:
Outside IR35

CV-Library City of London, Greater London Contractor
CL
Jul 16, 2026  
BIM Consultant (Architectural) part-time or full-time
Rare opportunity to work both remote and part-time, to suit your own work-life balance, with a friendly BIM Consultancy that focuses on the UK architectural sector You will work as an outsourced BIM Manager, providing valuable support to various architectural practices. The primary focus of this position is on utilizing Revit software for architecture projects, employing company templates and assets, and championing best practices in BIM. In addition to having an architectural background, extensive expertise in working with BIM and revit, a successful candidate will need a high degree of initiative and strong interpersonal skills allowing them to support individuals with different levels of expertise and enthusiasm. You will in turn have the chance to work largely autonomously with your own clients, fixing your workload to dovetail with your other life commitments. And being outside of IR35, this work is eligible to delivered by a Limited Company if you have one,...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 16, 2026  
Sheq Advisor
SHEQ Advisor 3 month contract Based on site in London £400 per day OUTSIDE IR35 GreenScout are working exclusively with a major player within the HV industry, who urgently require a SHEQ Advisor on an initial 3 month contract. Ideally you will previous experience within the Power Industry (HV Cable Diversions, Highways, NRSWA and HSG47. Based in on site in Warrington. If your are interested, please apply online
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 16, 2026  
Revit Technician
Revit Technician - Infrastructure & Mission-Critical Projects 📍 London | Office-Based (5 Days Per Week) 💰 £35-£39 per hour 🕒 6-Month Contract | Outside IR35 An opportunity has arisen for an experienced Revit Technician to support the delivery of major infrastructure, building structures and mission-critical projects across the UK. This Revit Technician role is ideal for someone who enjoys developing coordinated BIM models, managing technical information and supporting multidisciplinary project teams throughout the design and construction process. The successful Revit Technician will play a key role in digital project delivery, working closely with engineers, designers and site teams to ensure accurate, coordinated and construction-ready information is produced across complex developments. The Role As a Revit Technician, you'll be involved in: Developing and maintaining coordinated 3D models using Revit and BIM technologies Producing technical drawings, layouts,...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 12, 2026  
Project Manager - HRIS/Supply Chain/Mobile App
Contract - Project Manager - Outside IR35 - Home based but some travel for meetings namely London. ***Must have experience across HRIS/Supply Chain and Mobile Apps - or at least two of the three*** Our end client requires an experienced Project Manager to lead and deliver three key business transformation initiatives over a three-month engagement. Start date - Immediate - 29th of June at the very latest - preferably within 24 hours of contract offer! Pay rate £450 to £500 per day (outside IR35) Home based but travel to London for meetings when needed Must operate under a UK Ltd company with public liability and professional indemnity insurances in placeSuccess Measures: Successful delivery will include: Company-wide supplier KPI reporting framework implemented and operational. Mobile application projects delivered and adopted by operational teams. Company integration delivered and transitioned into business-as-usual operation. Effective governance, stakeholder engagement...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 01, 2026  
Senior Contracts Engineer
Commercial / Contracts Engineer – Contract – London Location: London This is an excellent opportunity to join a world leading cleantech, renewable and alternative energy company involved in the development of novel green energy solutions on a global scale. The role is working client side and is outside IR35. Role & Responsibilities * Responsible for managing the full lifecycle of major EPC and PMC contracts – including the tendering, negotiation, award, post-award administration, and close-out. * Responsible for negotiation and commercial management of all contracts relating to the engineering programme both during the design and construction phases (EPC). * Prepare and issue RFPs/RFQs, oversee clarifications, conduct bid evaluations, and lead both technical and commercial assessments. * Lead contract and commercial negotiations with contractors, consultants, and suppliers. * Implementation of contractual agreements with suppliers and partners to protect commercial...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jun 28, 2026  
Senior HVAC Design Engineer
Data Centres are crucial components of today's infrastructure, supporting everything from business to public services. 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 a Senior Mechanical Engineer your role will be as part of an interdisciplinary team lead the design of mechanical systems (Building servies and cooling) on medium to large-scale Mission Critical projects through all design stages from Concept to Construction Supervision and Hand-Over Lead the preparation and review of design deliverables Lead projects and work closely with our data centre clients to deliver quality work to meet their specific needs Present technical content for review by technical and non-technical...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
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