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Contractor 24
Outside IR35 Buntingford construction

24 construction jobs found in Buntingford

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 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 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 24, 2026  
Senior Estimator
Estimator   Long-Term Contract | Hybrid | Outside IR35 | £350-£500/day DOE Are you an Estimator or Senior Estimator with real earthworks experience wanting to join a busy pre-construction team on a strong pipeline of highways projects. You will be managing the tendering of projects - maximising tendered margin while identifying value engineering opportunities and successfully winning work.   What you'll do ·Actively tender projects received by the business ·Understand contractual terms and identify potential risks to the business ·Review all information received to understand the scope of works to be tendered ·Submit tenders on time and to the client's requirements ·Accurately measure relevant works to derive and validate quantities for pricing ·Build up tender rates from first principles on a labour, plant and material basis ·Identify value engineering opportunities to offer clients ·Obtain market rates for subcontracted works ·Respond to client queries in a...
IR35 Status:
Outside IR35

CV-Library Huntingdon, UK Contractor
CL
Jul 24, 2026  
Estimator
Estimator   Long-Term Contract | Hybrid | Outside IR35 | £350-£500/day DOE Are you an Estimator or Senior Estimator with real earthworks experience wanting to join a busy pre-construction team on a strong pipeline of highways projects. You will be managing the tendering of projects - maximising tendered margin while identifying value engineering opportunities and successfully winning work.   What you'll do ·Actively tender projects received by the business ·Understand contractual terms and identify potential risks to the business ·Review all information received to understand the scope of works to be tendered ·Submit tenders on time and to the client's requirements ·Accurately measure relevant works to derive and validate quantities for pricing ·Build up tender rates from first principles on a labour, plant and material basis ·Identify value engineering opportunities to offer clients ·Obtain market rates for subcontracted works ·Respond to client queries in a...
IR35 Status:
Outside IR35

CV-Library Huntingdon, UK 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 19, 2026  
Electrical Project Manager
Electrical Project Manager Canary Wharf, London £450/day, deemed outside IR35 (pending assessment) Data Centre Project We're looking for an experienced Electrical Project Manager to join a specialist MEP contractor delivering a major multi-phase programme within a live mission-critical facility in Central London. You'll initially join on a minimum six-month contract, but with up to five years of secured work planned across multiple phases of the programme, there's genuine long-term stability for the right person. The Role Working within a live operational environment, you'll manage the delivery of heavy electrical infrastructure works including: * High Voltage substations * Package substations * Busbar installations * General power distribution * Final connections * Technical suite fit-out works The programme will be delivered in carefully planned phases, providing a consistent pipeline of work for years to come. What We're Looking For We're keen to speak...
IR35 Status:
Outside IR35

CV-Library E14, Canary Wharf, Greater 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 24, 2026  
Freelance Forensic Planner
Freelance Forensic Planner Central London | 6-Month Contract | Outside IR35 | £500-£900 per day | Part-Time Considered An excellent opportunity has arisen for an experienced Forensic Planner to join a leading UK developer/contractor on a major mixed-use development in Central London. Our client is seeking a commercially astute planning professional to provide specialist forensic planning support on two high-value construction claims. This is a project-focused assignment requiring a strong understanding of delay analysis, programme assessment and contractual entitlement. This engagement offers a high degree of flexibility, with part-time working considered for the right individual, making it an ideal opportunity for experienced consultants managing multiple commissions. The Role - Lead the forensic planning analysis for two significant construction claims. - Review and interrogate project programmes, progress records and project documentation. - Undertake delay and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 22, 2026  
Mechanical Design Engineer
Mechanical Design Engineer - Data Centre Projects London | Hybrid Working (3 Days Office) £45-£52 per hour 6-Month Contract (Temporary) | Outside IR35 An exciting opportunity has arisen for an experienced Mechanical Design Engineer to join an international building services consultancy supporting the delivery of major mission-critical and data centre projects. This Mechanical Design Engineer role is ideal for someone who enjoys delivering technically complex mechanical building services designs across large-scale data centre developments. Working as part of a multidisciplinary engineering team, you'll contribute to projects from concept through to construction while supporting technically demanding mission-critical environments. The successful Mechanical Design Engineer will play a key role in the design and delivery of major data centre developments, working closely with project teams, attending site visits and developing innovative mechanical engineering solutions. The...
IR35 Status:
Outside IR35

CV-Library London, 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 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
CL
Jun 17, 2026  
Senior Electrical Design Engineer
Working with this busy engineering solutions provider who have a strong order book with schemes across the TFL estate - they are looking for an Electrical Design Engineer to join there multi-disciplinary design team Your role will involve: - Creating LV electrical designs for station work, including lighting and power systems. - Problem-solving to integrate new designs with legacy infrastructure. - Working closely with the wider design and CAD teams. The position is ideally suited for someone who: - Is an experienced practically minded electrical design engineer - Understands the practical challenges of electrical installation and buildability. - Can problem-solve on the spot when faced with non-standard site issues. You should have experience in RAIL/ LU (TFL) Standards Role 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...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 16, 2026  
Senior Electrical Design Engineer
An excellent opportunity has arisen for an experienced Electrical Design Engineer to join a well-established building services consultancy in London on an contract basis outside IR35. This hybrid role will involve working as part of a multidisciplinary building services engineering team, supporting the delivery of electrical design solutions across a range of building projects. The successful Electrical Design Engineer will contribute to the development of electrical building services designs, technical documentation and coordinated BIM models. This role is based in the London office with hybrid working available, offering the chance to work on high-quality building services projects alongside experienced engineers and consultants. Key Responsibilities · As an Electrical Design Engineer, your responsibilities will include: · Producing electrical building services designs for a variety of building projects · Developing electrical schematics, layouts and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 12, 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
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
Jul 24, 2026  
Structural Manager STE02
Are you a Chartered Structural Engineer with STE02 competency looking for your next contract opportunity? Location: Surrey Quays, London (Hybrid - 3 days onsite, 2 days remote) Sector: Rail Infrastructure / Civil Engineering Type: Contract Duration: Ongoing Start Date: ASAP (within 2-3 weeks) Rate: £450 outside IR35 An exciting opportunity has arisen for an experienced Structural Manager to join a major rail infrastructure programme supporting the maintenance, inspection, assurance and renewal of key rail assets across a high-profile London network. This is a senior engineering leadership role, responsible for providing technical oversight and assurance across structural engineering activities. You will ensure engineering compliance, manage technical governance, and lead engineering teams delivering inspections, assessments and structural assurance across a live railway environment. Key Responsibilities ·Lead all structural engineering activities across the programme....
IR35 Status:
Outside IR35

CV-Library Surrey Quays, London SE16 7TE, UK Contractor
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