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Construction Outside IR35 working supervisor

7 working supervisor jobs found

CL
Feb 18, 2026  
Construction Manager
RTL Group are currently seeking an experienced Construction Manager/ Site Agent with strong tunnelling experience to join a major infrastructure project on a 12-month contract. This is an Outside IR35 engagement, offering long-term stability on a complex and technically challenging tunnelling scheme. You will be responsible for the safe and efficient delivery of tunnelling works, managing site teams, subcontractors, and ensuring works are delivered to programme, budget, and quality standards. Key Responsibilities * Overall management of tunnelling construction activities on site * Ensuring works are delivered safely, in line with HSEQ requirements * Managing site teams, engineers, supervisors, and subcontractors * Coordinating with design, planning, and commercial teams * Driving programme performance and resolving construction issues * Ensuring compliance with project specifications and industry standards * Reporting...
IR35 Status:
Outside IR35

CV-Library Middlesbrough, North Yorkshire Contractor
CL
Feb 22, 2026  
Site Engineer
Site Engineer – Mannington 400kV Substation (BH21) Location: Mannington, Dorset Rate: £400 per day Contract Type: Full-time, site-based contingency worker IR35 Status: Outside IR35 Duration: 6-month rolling contract (12-month programme) Hours: Monday to Friday, 10-hour days, occasional travel to client offices MRR Infrastructure is proud to be supporting the delivery of a significant 400kV substation scheme for a leading global engineering and construction consultancy, recognised for its technical excellence and long-standing success within the power transmission and distribution sector. This opportunity offers the chance to contribute to a high-profile National Grid project, working alongside a multidisciplinary team to maintain the highest levels of safety, quality, and technical performance throughout delivery. We are seeking a proactive Site Engineer with a strong background in substation infrastructure projects to provide on-site technical support, oversee setting out,...
IR35 Status:
Outside IR35

CV-Library BH21, Three Legged Cross, Dorset Contractor
CL
Feb 19, 2026  
Site Manager, National Grid Persons
Site Manager, HV Cabling Middlesbrough TS6 6 weeks from February 2026 £450 per day, Outside IR35 Job Ref:#(phone number removed) You will be one of the Site Managers involved with: * the scaffold company, * overseeing the EHV cable contractor, * supervise the direct labour, * supervise the reinstatement, * make sure the work is done safely and to the clients satisfaction You need: - SMSTS, - NG Persons status with EUSR, - Temporary Works Supervisor (preferred) - First Aid At Work, - HSG47 (preferred) - Working At Height, (preferred) - Full UK driving licence Would suit a Civil Site Supervisor, Junior Project Manager, Site Engineer, or and M&E Site Manager To apply, please speak to Gareth Bone We also have have roles available for professional Groundworkers, Electricians, Fitters, Wirepeople, Supervisors, Machine Drivers, Authorised Persons, Competent Persons, Site Engineers, Site Managers, Site Agents, Project Managers, Commissioning Engineers,...
IR35 Status:
Outside IR35

CV-Library Middlesbrough, North Yorkshire Contractor
CL
Feb 22, 2026  
Project Manager, Waste Water
Project Manager, Waste Water Infrastructure & Civil Engineering Bishop's Stortford, CM22 Start: ASAP 6 months work Rate: £450 to £550 outside of IR35 Hybrid work, on site 2/3 days a week, 2 days working from home/office Job Ref: #(phone number removed) We urgently need a Project Manager for a Civil Engineering and Waste Water Infrastructure site in Bishop's Stortford. Working on site a few day per week, the rest can be from home or in the office. We need someone who has: - SMSTS - CSCS Black or Gold - 3 day first aid - EUSR Water - EUSR 1 & 2 - Thames Water Passport Running the programme, project planning and execution, including timelines, resourcing, budgets, risk management and critical path delivery. Manage stakeholders, the general public, local authorities, and the client Manage change Work with the commercial team to manage variations, Inform the client of risk and perform risk management Help with engineering problems Manage procurement...
IR35 Status:
Outside IR35

CV-Library Bishop's Stortford, Hertfordshire Contractor
CL
Feb 20, 2026  
Site Manager
Freelance Site Manager Location: City of London Rate: £280 per day (Outside IR35) We are working with a specialist contractor delivering a fast-paced interior fit-out project in London. They are seeking a freelance Site Manager to take control of the site for a fixed 14-week contract starting in February. This role requires someone who is organised, proactive, and confident running a site independently while maintaining programme, quality, and health and safety standards. Key Responsibilities Day-to-day management of the site, ensuring works are delivered in line with drawings and programme Coordinating subcontractors and organising daily and weekly workloads Managing internal fit-out works and ensuring quality standards are maintained throughout Monitoring progress against the programme and addressing issues early to avoid delays Raising and managing RFIs and ensuring queries are resolved promptly Ensuring all operatives have the correct, up-to-date drawings and understand...
IR35 Status:
Outside IR35

CV-Library City of London, London 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
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
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