Freelancer UK
  • All Jobs
  • Outside IR35
  • Agencies
  • Post a Job
  • Pricing
  • Guides
  • Sign in
  • Sign up
  • All Jobs
  • Outside IR35
  • Agencies
  • Post a Job
  • Pricing
  • Guides

Email me jobs like this

Email me jobs like this
Refine Search
Search within
50 miles
10 miles 20 miles 50 miles 100 miles 200 miles
Refine by Categories
Construction 22 Engineering 10 Facilities 1 Information Technology 1 Management 1
Refine by Job Type
Contractor 34
Outside IR35 Windsor construction

34 construction jobs found in Windsor

CL
Apr 26, 2026  
Mechanical Construction Manager
Job Title: Mechanical construction manager Location: Heathrow Duration: 12 months Contact: Mitchell Apply now! Site Operative Solutions Limited have an excellent opportunity for Mechanical construction manager in Heathrow Start date: ASAP Duration: 12 months For this role, Mechanical construction manager would be undertaking the following duties: Understanding of Systems Air conditioning Vrf DX Indoor and outdoor units Liquid Lines Gas lines Ductwork - General Supply and Extract Ductwork - Fire Rated Ductwork - Smoke Extract Drop dampers Motorised dampers Drainage Hdpe Terrain Condense systems Vent pipe anti syphon systems Soil Vent Pipe Systems LTHW Valve trains Drvs Pic valves Flow and Return Dosing Pots Flushing Chilled Water Valve trains Drvs's Pic valves Flow and Return Dosing pots Flushing Fan coil units Potable Water Systems Non potable Systems Cat 5 Systems Chlorination...
IR35 Status:
Outside IR35

CV-Library Heathrow Airport (LHR), Hounslow, UK Contractor
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
Apr 25, 2026  
Mechanical Construction Manager
Mechanical Construction Manager G2 are currently looking for a Mechanical Construction Manager to support a major project on a 12‑month contract. Contract Details: * Duration: 12 months * Location: West London * Start date: ASAP * IR35 Status: Outside IR35 Role Overview * Take ownership of on-site delivery across mechanical building services packages, including HVAC, ductwork, pipework, drainage, and water systems. * Review and work from mechanical drawings, identify issues, raise RFIs, and assist with red-line mark-ups and as-built information. * Coordinate site activities, ensuring works are delivered safely, to programme, and in line with technical requirements. * Maintain control of site documentation such as RAMS, inspections, toolbox talks, PPE records, and plant checks. Essential Experience * Strong background in mechanical construction management on complex projects. * Working knowledge of HVAC systems (VRF, DX), LTHW, chilled water,...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 02, 2026  
CSA Construction Manager
CSA Construction Manager (Contract) Rate: £420-£440 per day (Outside IR35) Contract Length: Initial 6 months Start Date: Immediate Location: Oxfordshire Overview We are currently recruiting for an experienced CSA Construction Manager to join a live project on an immediate start basis. The role is initially offered as a 6‑month contract, with strong potential for extension depending on project requirements. This position would suit a CSA‑led Construction Manager who is also competent overseeing M&E installations, ideally gained within highly regulated environments and working for a Tier 1 contractor. Key Responsibilities Lead and manage CSA construction activities on site, ensuring works are delivered safely, on programme, and to specification Provide oversight and coordination of M&E installations, ensuring effective interface with CSA works Manage subcontractors and work packages, chairing site meetings and driving performance Ensure full compliance with HSEQ...
IR35 Status:
Outside IR35

CV-Library Abingdon, Oxfordshire Contractor
CL
Apr 30, 2026  
Business Analyst - Manufacturing/Construction - ERP Change
Business Analyst - Manufacturing/Construction - ERP Change & Transformation My global manufacturing and construction client is looking for an experienced Business Analyst with experience of large scale ERP transformation experience within the manufacturing/ construction sectors. This must include working on ERP roll out/transformation projects on global greenfield manufacturing sites with budgets of £100 million+ Essential Skills Senior BA / Product Owner experience in large transformation programmes (5+ years minimum) Strong requirement management and traceability capability Define and manage the Requirements Traceability Matrix (RTM) Ensure ownership of requirements across all capabilities Knowledge of greenfield regulation standards Support consistency across ERP, PLM (Product Life-cycle Management), MES (Manufacturing Execution Systems) and related systems Experience working across business and enterprise technology teams Has experience of working as a BA on...
IR35 Status:
Outside IR35

CV-Library Dartford, Kent Contractor
CL
May 02, 2026  
Agent
We are looking for a sub/ site agent to work in the Surrey area for one of our major clients on one of their highways framework. Works will be around the Basingstoke, Reading, Guildford, Surrey area. Main works will be traffic signals, drainage, overseeing engineers, paperwork, WPP, task briefs, health and safety, material, plant and reporting all on a highways framework. SMSTS, CSCS and First Aid is essential! This role is on a contract basis with a top date rate outside IR35! Minimum 6 month contract on offer! Must have previous highways experience. If yourself or someone you know is interested, get in touch
IR35 Status:
Outside IR35

CV-Library Guildford, Surrey Contractor
CL
Apr 29, 2026  
Structural Engineer
Structural Engineer Initial 3 Month Contract Hybrid - 3 days on site Leatherhead, Surrey £58.00 Per Hour (Outside IR35) The Role * As a Technical Advisor - Offshore structural, you will support the lead engineer related preparation of engineering deliverables within the scope assigned: * Design basis, material and construction specifications * Independently perform engineering analyses for operational (in-service) phase (in-place, fatigue), non-operational phase (loadout, transportation, lifting) and accidental phase (blast, fire, dropped object) for brownfield projects. * Perform detailed design of equipment supports, access platforms etc. * Review analyses/ calculations performed by others, provide technical guidance and proactively resolve any discrepancies * The work will involve liaising with other disciplines, the client, and 3rd-party contractors, and coordinating with project team members across global offices to deliver tasks within allotted timelines and budgets. The...
IR35 Status:
Outside IR35

CV-Library Leatherhead, Surrey Contractor
CL
May 02, 2026  
Senior Civil Engineer
A well-established, design-led civil engineering consultancy is looking to appoint an experienced Contract Senior Civil Engineer on a long-term, Outside IR35 basis. This is a fully remote role with a strong pipeline of secured work across commercial, industrial and data centre developments. The Role You’ll take ownership of infrastructure packages from concept through detailed design, with a particular focus on: Detailed levels strategy Surface & foul drainage design Drainage slope design and optimisation External works coordination Technical delivery for planning and construction stages Projects include large commercial schemes, industrial developments and major data centre infrastructure. Software MicroDrainage (essential) What We’re Looking For Proven UK development infrastructure experience Strong background in commercial / industrial schemes Confident working autonomously in a remote environment Able to deliver technically sound, buildable drainage and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 02, 2026  
Electrical Commissioning Manager
I am looking for an experienced Electrical Commissioning Manager to join my client, a well-established Commissioning Consultancy who are looking to bring someone new into the team. This is an ongoing freelance role where you will be assessed for outside of IR35. The selected candidates will come from either a rail, infrastructure, commerical or residential background but have the right attitude to help build a business around them whilst working on both exciting and challenging projects. I am looking for someone who has worked in this capacity for a long time and keen to manage a large project with a tier 1 contractor as the client. Roles and responsibilities: Develop and manage the Commissioning Plan and testing scripts to ensure they align with the project's specific technical requirements and the contractor's master schedule. Witness and formally sign off on all Factory and Site Acceptance Testing (FAT/SAT) for critical infrastructure equipment like HV/LV switchgear and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 02, 2026  
MRICS Building Surveyor
We have an excellent opportunity for a chartered Building Surveyor to work on Disrepair projects primarily in London & the South East.. This is self-employed work outside of IR35 and is paid per report. Undertake comprehensive building surveys of disrepair claims and the production of detailed expert witness reports for use in the legal process. Self-employed work, so this provides the opportunity for part-time or full-time. It is essential that candidates are MRICS qualified with 3 years + PQE. Residential experience is also essential for this work. This is an excellent opportunity, which has fantastic earning potential and provides the opportunity for long-term work and flexible work
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 02, 2026  
Project Engineer Consultant - Pharma
Title: Project Engineering Consultant 🔴 Position Type: Contract OTS (Outside IR35) 🔴 Location: London 🔴 Categories: Project Management, Engineering PM Group requires a project engineering consultant with experience of biopharmaceutical projects to lead a client team in London. Responsibilities · Ensuring that equipment upgrades are delivered on time and within budget. · Delivering capital investment projects in accordance to portfolio schedules and budgets. · Working alongside existing client engineers, managers, and directors. · Leading the multidisciplinary project team through all stages of the projects from concept to construction and handover. · Managing risk and change, securing additional budget as required. · Working alongside third party contractors and offering input into process design and installation. · Ensuring the delivery of projects in a way that is compliant with EU and UK health and safety regulations, as well as client procedures and protocols. · Reporting...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 01, 2026  
Building Control Inspector
I am currently working with a client within Greater London who is looking for a Registered 2d+ Building Control Inspector to join their service on an initial 6-months contract. This will be a long-term role and they also offer OUTSIDE OF IR35. * Class 2d+ * 37 hours per week * 6 Months+ * Rate DoE (Outside of IR35) * Ideal start of May. If you are interested in this role please send me your most update CV or call me on (phone number removed). If this role isn’t for you, feel free to forward this over to a friend/colleague who would be interested
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 30, 2026  
Commercial Manager - Rail
Are you a Commercial Manager with previous rail experience? Do you have a previous background in Engineering or Construction? If so, TXM Recruit are working in partnership with a high-profile railway client who are recruiting for a Commercial Manager on a 6-month ongoing contract basis paying up to £500 per day (outside IR35) based in Stratford, London. Our client requires an experienced Commercial Manager to join their team supporting business activities across several projects covering platform extensions, depot builds, facility enhancements and other rail construction projects. About the Role: Performing periodic cost reporting, including provision of Anticipated Final Cost, Actual Cost of Work Performed, and Forecast to Completion. Managing the administration of contracts of varying values and complexity, driving compliance and contractual performance including NEC Option A, C and E, Construction Purchase Orders. Managing all contract communication including creating...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 30, 2026  
Site Engineer
Due to an increase in work within their Utility works in Central London, our client have the need for a Site Engineer to join their team and to support the Project Manager on major Utility Diversion works. This role involves coordinating with contractors, interpreting technical drawings, and ensuring compliance with all regulations and specifications. To be considered, you will have a minimum of an HNC in Civil Engineering and will hold SMSTS, CSCS and First Aid. Utilitiy Diversion experience is essential! Top day rate is on offer which is Outside IR35 and comes with a long term contract! This is a top need with a great client so if you meet the above and are interested, apply now
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 29, 2026  
Senior Civil Engineer
Contract Senior Civil Engineer (Building Drainage / Part H) 📍 London | Hybrid / Flexible 💰 £45–£55 per hour (Outside IR35) 📅 12-Month Contract A leading, design-led engineering consultancy, is looking to appoint an experienced Senior Civil Engineer on a long-term contract basis. This is a fantastic opportunity to work on a diverse portfolio of high-quality building-led projects across residential, commercial, and mixed-use developments. The Role You’ll play a key role in delivering building drainage and infrastructure design, working closely with structural teams, architects, and external stakeholders. Your focus will be on ensuring designs are fully compliant with Building Regulations Part H, from concept through to construction. Key Responsibilities Design of building drainage systems (foul & surface water) Ensure compliance with Part H Building Regulations Production of drainage strategies and detailed design packages Coordination with architects and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 26, 2026  
MRICS Building Surveyor
Freelance MRICS Building Surveyor (3 Days per Week) £400–£450 per day London / Home‑Based  Conrad Consulting is supporting a respected, RICS‑regulated building surveying practice in the South East with the appointment of an experienced Freelance Chartered Building Surveyor (MRICS). This is an urgent requirement due to newly secured contracts that require immediate MRICS oversight and report sign‑off. This role is ideal for a seasoned surveyor who enjoys technical leadership, quality assurance, and mentoring—while maintaining the flexibility of part‑time, freelance work. The Opportunity You will act as the technical lead across a range of residential surveying outputs, providing essential oversight and ensuring the highest professional standards. Work will include: Technical review and sign‑off of Level 1–3 RICS surveys Quality assurance and monitoring of junior surveyors Occasional shadowing of junior surveyors on inspections Mentoring and APC support Undertaking complex...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 25, 2026  
Registered Building Inspector (Contract)
Registered Building Inspector, L2F + £550-£650/day | Outside IR35 Surrey / South & West London We are newly working on a long-term contract opportunity for a Registered Building Inspector (L2F or above) to join a highly regarded client delivering Building Safety Regulator (BSR) projects, with the added benefit of retaining non-BSR work to ensure a varied workload. This is a particularly strong contract setup with a client we already have multiple long-term contractors placed with, all of whom have provided consistently positive feedback. Notably, there has been no attrition since our first contractor started with the organisation approaching 12 months ago. The Role: * Involvement in BSR projects under supervision, providing exposure towards L3H * Ability to retain non-BSR projects, ensuring a balanced and varied workload * Site attendance typically 1–2 days per week, with flexibility to adjust based on preference * Opportunity to increase working hours...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 25, 2026  
Civil Design Engineer
Civil Design Engineer | Water Sector Contract: Long‑term, Outside IR35 Location: London (Flexible Hybrid) Our client in water is seeking an experienced Civil Design Engineer to support the design and delivery of infrastructure and non‑infrastructure projects across a broad programme of work. This long‑term contract offers the opportunity to play a key role in developing, reviewing, and coordinating civil engineering designs within a fast‑paced, essential services environment. Hybrid working is available, with regular presence required at the London office.  Key Responsibilities Produce, review, and develop civil engineering designs for water and wastewater infrastructure Prepare design calculations, technical drawings, and specifications in line with industry and regulatory standards Support feasibility assessments, optioneering, and early‑stage technical input Work collaboratively with multidisciplinary teams including process, mechanical, electrical, and delivery functions...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 25, 2026  
Quantity Surveyor - Claims
Claims Quantity Surveyor – Outside IR35 📍 Location: South West London Office (3 days office / 2 home) 📅 Start: ASAP ⏳ Duration: 6–9 months ⏱ Hours: 37.5 per week 💰 Rate: Competitive day rate 🧾 IR35: Outside IR35 Ceto Talent are supporting a global offshore EPC contractor on a key Offshore Decommissioning project, looking for an experienced Claims Quantity Surveyor to support commercial and contractual activities. The Role: You’ll be responsible for the preparation, assessment and negotiation of claims, ensuring all contractual entitlements are properly identified, substantiated and managed. This role works closely with project teams and subcontractors to manage risk and protect the commercial position across the project lifecycle. Key Responsibilities: * Analyse contracts, project plans and correspondence to identify claims and risks. * Prepare and manage claims (variations, EOTs, additional costs). * Review subcontractor claims against scope and main contract. * Quantify...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 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
  • Follow us on:
  • Facebook
  • Twitter
  • Instagram
  • LinkedIn
  • Home
  • Contact
  • About Us
  • Terms & Conditions
  • Employer
  • Post a Job
  • Search Resumes
  • Sign in
  • Job Seeker
  • Find Jobs
  • Outside IR35
  • Create Resume
  • Sign in
© 2008-2026 Powered by SmartJobBoard Job Board Software