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Outside IR35 Ascot construction

34 construction jobs found in Ascot

CL
Mar 15, 2026  
Senior Construction Manager
Senior Construction Manager (Outside IR35-LTD) Certain Advantage is hiring for a Senior Construction  Manager based in the Surrey area. This role is on a contract basis and is site-based. The Company We’re working with an engineering company specialising in delivering innovative solutions across aerospace, defence, energy, and government sectors. Does this sound like your next career move? If you’re ambitious to grow, this may be your next role? The Role: This role is for a Senior Construction Manager—someone ambitious and ready to make an impact. You’ll be results-oriented and driven to succeed. You’ll be leading a small, experienced, and collaborative team, and be responsible for: EPCI Bid Support for Indonesian Project Support the development of ITB Development of the construction execution plan for the EPC Phase Participate in project constructability workshopsThe Individual We’re looking for people who can show: EPC and FEED LNG experience in a similar roleThe Benefits:...
IR35 Status:
Outside IR35

CV-Library Leatherhead, UK Contractor
CL
Mar 21, 2026  
Quantity Surveyor Construction
Freelance Quantity Surveyor - On site Central London (Near Old Street) - Immediate start - 8+ months contract - Outside IR35. Tradeline are actively seeking a Quantity Surveyor who is able to complete an 8 month contract based on site near Old Street, Central London. You will be required to carry out a forensic review of the project costings and deliver excellent commercial skills including CVR's and Final Accounts. Reporting into a Commercial Manager and working within a team of 5, you will be involved in delivering an extensive cost management service on the project. The role would suit an experienced Quantity Surveyor who has had experience in build projects, excellent negotiation skills and working within a high pressurised environment. There will also be aspects of troubleshooting, so experience dealing with problematic construction projects would be desirable
IR35 Status:
Outside IR35

CV-Library Hackney, Greater London Contractor
CL
Apr 08, 2026  
Project Engineer
We are currently recruiting for a Project Engineer to support a Berkshire based client for a May start. Responsibilities: * Project engineering small packages of works. * Delivery of a portfolio of small – medium sized projects in accordance with the company project roadmap throughout the project lifecycle ensuring governance to current engineering standards and compliance with CDM regulations. * Strict GMP compliance to be adhered throughout the lifecycle of the project. * Coordination with the Principal Contractor and all other project team members to ensure completion to schedule. * Project management services to oversee the completion snags and any construction defects identified. * Project management services to oversee the completion of any installation, commissioning and qualification by liaising with the vendor, company Validation and any other company teams. * Weekly project progress reporting to the company Portfolio Manager. * Weekly project reporting to...
IR35 Status:
Outside IR35

CV-Library Eton, Royal Borough of Windsor and Maidenhead Contractor
CL
Mar 07, 2026  
Project Manager - M&E
Freelance Project Manager – Data Centre Location: Slough Contract Type: Freelance / Outside IR35 (subject to assessment) Project: New-Build Data Centre (M&E Delivery) Duration: 12 months (with potential extension) Reporting to: Senior Project Manager / Operations Manager Overview TXM recuit are seeking an experienced Freelance Project Manager to support the delivery of a major new-build mission-critical data centre project in Slough for a sub contractor. The role is focused on managing Mechanical & Electrical packages, coordinating site activities, and ensuring the project is delivered safely, efficiently and to the required technical standards. This is a fast-paced, high-value engineering environment requiring strong leadership, technical capability, and excellent stakeholder communication. The ideal candidate will have a proven track record delivering M&E packages on hyperscale or enterprise data centre projects. Key Responsibilities * Oversee day-to-day...
IR35 Status:
Outside IR35

CV-Library Slough, Berkshire Contractor
CL
Apr 10, 2026  
Stock Condition HHSRS Surveyor (OUTSIDE IR35)
Elevate projects are working in partnership with our client, a reputable property consultancy, to appoint an experienced Condition Surveyor to their busy team producing building surveys using Keystone software, on housing stock in the Guildford and surrounds area. This role is outside ir35 and paid per survey basis with OTE of £250 to £300 per day on average
IR35 Status:
Outside IR35

CV-Library Guildford, Surrey Contractor
CL
Apr 08, 2026  
Senior Preconstruction Project Engineer
Senior Preconstruction Project Engineer – Infrastructure Projects Location: Surrey Rate: £450 - £500 per day (Outside IR35 considered) Duration: 12 months Start: ASAP A major infrastructure contractor is seeking a Senior Preconstruction Project Engineer to support the development and mobilisation of complex water and wastewater projects. This role focuses on the critical pre-construction and design phases of project delivery, ensuring schemes are properly planned, technically coordinated and commercially positioned before construction begins. The successful candidate will work closely with pre-construction teams, designers, planners and procurement specialists to develop robust target costs, risk registers and delivery strategies while ensuring design solutions are aligned with programme and buildability requirements. The Senior Preconstruction Project Engineer will play a key role in coordinating operational input during the early stages of project development. Working...
IR35 Status:
Outside IR35

CV-Library Surrey, UK Contractor
CL
Apr 08, 2026  
Preconstruction Project Engineer
Preconstruction Project Engineer Location: Surrey Rate: £350 - £400 (Outside IR35 considered) Duration: 12 months Start: ASAP We are seeking a Preconstruction Project Engineer to support the development and mobilisation of water and wastewater infrastructure projects within a large capital delivery programme. This role sits within the pre-construction and engineering team and focuses on ensuring projects are technically coordinated and properly planned before construction begins. The successful candidate will contribute to the early stages of project development by supporting the preparation of target costs, risk registers and delivery strategies, ensuring projects are set up for successful execution once they progress to site. Working closely with design partners, procurement teams and operational delivery teams, you will review engineering deliverables to ensure they comply with contractual, regulatory and technical requirements. You will help coordinate the development of...
IR35 Status:
Outside IR35

CV-Library Surrey, UK Contractor
CL
Apr 08, 2026  
Design Coordinator
Design Coordinator – Infrastructure Projects Location: Surrey Rate: £300 - £380 (Outside IR35 considered) Duration: 12 months Start: ASAP We are seeking an experienced Design Coordinator to support the delivery of civil and MEICA projects within a large capital programme. This role sits within the engineering and design management team and focuses on ensuring projects are technically coordinated and fully developed prior to construction. The successful candidate will play an important role during the pre-construction and detailed design phases, helping to ensure design deliverables, procurement requirements and delivery planning are aligned before work begins on site. Working closely with design partners, procurement teams and project delivery teams, you will review design outputs to ensure they comply with contractual, regulatory and technical requirements. You will also support the development of robust delivery plans by coordinating surveys, testing and inspections...
IR35 Status:
Outside IR35

CV-Library Surrey, UK Contractor
CL
Apr 08, 2026  
Design Manager
Design Manager – Infrastructure Projects Location: Surrey Rate: £350 - £450 per day (Outside IR35 considered) Duration: 12 months Start: ASAP We are seeking an experienced Design Manager to support the delivery of major civil engineering and MEICA infrastructure projects. This contract sits at the critical interface between pre-construction, design, procurement and project delivery. The successful candidate will play a key role in ensuring projects are fully developed from a design, procurement and delivery perspective before construction begins on site. The focus of the role is to ensure that target costs, risk registers and delivery plans are robust during the early phases of a project, while also ensuring design development supports programme certainty and commercial performance. Working closely with pre-construction teams, designers, planners, procurement specialists and operational delivery teams, you will coordinate Civil and MEICA design development across complex...
IR35 Status:
Outside IR35

CV-Library Surrey, UK Contractor
CL
Apr 09, 2026  
Site Manager
Our client, a prominent company in the construction sector, is currently seeking a dedicated Site Manager to oversee a short-term upgrade project at Reading FC's stadium. Key Responsibilities: Oversee day-to-day site activities and act as the primary on-site lead Manage and coordinate M&E contractors, ensuring seamless integration of services Supervise installation of high-powered audio systems and associated infrastructure Oversee MEWP operations, ensuring safe and compliant use Manage UPS-related works and ensure all power-critical upgrades meet required standards Liaise with multiple subcontractors; all project delivery is via sub-contracted teams Maintain strict health & safety compliance at all times Conduct site inductions, toolbox talks, and ensure RAMS are followed Monitor progress against programme and escalate issues proactively Report daily on site activity, progress, and any deviations from schedule Job Requirements: Proven experience as a Site Manager on...
IR35 Status:
Outside IR35

CV-Library Reading, Berkshire Contractor
CL
Apr 05, 2026  
Interim Health and Safety Consultant
Interim Health and Safety Consultant - £400 - £450 per day (Outside IR35) - North West London * Are you looking for a role where you can help shape safety culture across a major London transport operation? * Do you enjoy working closely with operational teams to drive improvements in health, safety, environment and quality? * Are you motivated by the opportunity to influence change at the beginning of a transformational journey? If so, look no further… * An exciting opportunity has arisen for an Interim Health and Safety Consultant to join a leading London transport operator, supporting the development of health, safety, environmental and quality arrangements across its operations. * Reporting to the Head of Health and Safety, this is a highly operational role where you will work closely with garage teams, project stakeholders and senior leaders to drive continuous improvement, ensure legal compliance and strengthen safety culture across multiple...
IR35 Status:
Outside IR35

CV-Library Wembley, Greater London Contractor
CL
Apr 08, 2026  
Freelance Senior Planner – Data Centre Project | NW London | Outside IR35
I have a requirement for an experienced Freelance Senior Planner to join the team on a Data Centre project in NW London, working directly for the main contractor on site. This is a long-term contract role operating Outside IR35, with the expectation of 5 days per week on site. The role will focus on developing, managing and improving the construction programme while working closely with both the delivery and commercial teams to ensure the project schedule accurately reflects progress and supports effective project control. The successful candidate will have strong experience using Primavera P6, with the ability to build and maintain detailed, accurate programmes and drive improvements to existing schedules. Experience on data centre or mission-critical projects would be highly advantageous. This opportunity would suit a planner who is confident working collaboratively with site and commercial teams, translating complex construction activities into clear, realistic programmes...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 04, 2026  
SecOps Engineer
IT Security Operations Engineer - London (4 days onsite / 1 day WFH) Up to £600 p/d (outside IR35) A leading construction engineering business is seeking an SecOps Engineer to their team. They are a well-established business about to enter considerable operational change making it an exciting time to join and be a part of their journey. This role carries responsibility for ensuring collaboration between Information Security and the IT Ops team, you'll ensure the implementation of technical security controls supporting risk mitigation and contributing to the continual improvement of the business's security composure. Responsibilities: Provide expertise on application, network and infrastructure security Monitor security solutions including SIEM, threat detection and data security, endpoint protection, network analytics for alerts Provide documentation for technical standards to meet corporate security policies/industry best practice Perform security reviews, identify gaps in...
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
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
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
Apr 10, 2026  
InfoWorks ICM Modeller
Job Title: InfoWorks ICM Modeller Location: Either London, Bristol, Manchester or Nottingham (3-4 days per week, the rest from home) Contract Type: Contract - 6 months rolling Hours: 37.5 per week Salary: £40.00 - £45.00 per hour Outside IR35   We are seeking an experienced InfoWorks ICM Modeller to join a dynamic team delivering comprehensive drainage and flood risk management solutions. In this role, you will play a key part in managing the design process from inception to construction for a range of flood alleviation, surface water management, and drainage projects. You will also be involved in producing, reviewing, and checking Flood Risk Assessments to ensure effective solutions for residential, commercial, and public developments.   Key Responsibilities:   ·Lead the day-to-day on InfoWorks ICM modelling, ensuring the successful delivery of projects from concept through to detailed design. ·Develop flood protection measures, drainage strategies, and flood...
IR35 Status:
Outside IR35

CV-Library Central London, London WC2N 5DU, UK Contractor
CL
Apr 09, 2026  
Revit Mep Coordinator
Revit MEP Coordinator Kings Cross Contract - £35ph 6 months We have an urgent contract requirement to start ASAP on a large Commercial fit out project in Kings Cross working for the MEP Contractor. This will be outside IR35. The project is onsite and scheduled to last until towards the end of the year. You will be onsite 4 days per week for the first 2 months at least before it drops to 3 days per week on site The client is providing laptop & software. We cannot offer sponsorship for this role Please contact the team at 12 recruitment by submitting your CV via the links on this page
IR35 Status:
Outside IR35

CV-Library Camden, Greater 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
Apr 03, 2026  
Stock Condition Surveyor/DEA
Are you looking for work within the Building Surveying industry? Look no further! 1st Select are looking for an experienced Stock Condition Surveyor / Domestic Energy Assessor who would be able to carry out detailed inspections of houses and flats, both internally as well as externally. Our client is a leading Consultancy in the Surveying industry, that has won a large contract covering Hackney and we are looking for 2 Stock Condition Surveyors/DEAs to partake in this program. Responsibilities/requirements will include… Stock Condition Surveying Experience Experience with lodging EPCs HHSRS Experience Benefits for the worker Gain more experience in the building surveying industry Flexible working hours *Payment outside of IR35* This will be a 3-month contract with the possibility of leading on to additional work. If this fits your area of expertise, please contact Lucy Saphier
IR35 Status:
Outside IR35

CV-Library Hackney, Greater London Contractor
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