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Contractor 24
Outside IR35 Witham construction

24 construction jobs found in Witham

CL
Apr 21, 2026  
Project Manager
Role: Project Manager Status: Contract, 12 months outside IR35 Location: Harlow Addison Project Plc are seeking a PSC contractor to provide Project Management services to support a project in Greater London. Workscope: * To Provide engineering design-based Project Management services from Front End through detailed design. * Full responsibility for the delivery to install a new process integrated into an operational manufacturing plant. Services to be provided: * Complete project management services from Front End through detailed design * Day-to-day client interface and stakeholder management * Provide guidance to client teams and the construction manager * Plan and control scope, schedule, cost and risk * Coordinate multi-discipline design (Process, Mech, EC&I, Civils/Struct) and constructability reviews. * Lead all on site activites, proactive client, design and construction team communication is key for this role *...
IR35 Status:
Outside IR35

CV-Library CM20, Harlow, Essex Contractor
CL
Apr 21, 2026  
Lead Piping Designer
Lead Piping Designer - Addison Project, Harlow For over 25 years, Addison Project plc has delivered innovative, sustainable engineering solutions across the chemical, pharmaceutical, energy, and food & beverage sectors. As a family‑owned business with UK‑wide coverage, we combine technical excellence with a collaborative, client‑focused approach. Our fully integrated EPCM capability supported by strong CDM and HSSEQ leadership and accredited management systems ensures projects are delivered safely, efficiently, and to the highest standards from concept through to commissioning and start‑up. If you're passionate about engineering and want to join a dynamic, people‑focused consultancy driving progress and sustainability across the UK’s manufacturing and process industries, Addison Project is the place to grow your career. Job Type: Contract Outside IR35 Start: Spring 2026 Location: Harlow, Essex with travel to site in Home Countries Workscpe Addison Project Plc are seeking...
IR35 Status:
Outside IR35

CV-Library Harlow, Essex Contractor
CL
May 11, 2026  
Electrical Supervisor
Role – Electrical Supervisor Location – Essex Mint Selection are partnering with a leading organisation within the energy sector to recruit an experienced Electrical Supervisor for an immediate start on a 3-month renewable contract based in Essex. Scope of Work * Supervise daily site activities for all electrical works on the Gas Peaking Plant project, including LV/MV distribution, cabling, containment, switchgear installation, earthing, and control systems. * Coordinate and oversee site operatives and subcontractors to ensure works are carried out safely, efficiently, and in line with drawings and specifications. * Ensure full compliance with Health, Safety, Environmental, and Quality (HSEQ) standards and site permit-to-work systems. * Support the Site Manager and Project Manager with progress reporting, quality checks, and coordination with other disciplines (civil, mechanical, commissioning). * Conduct daily briefings, toolbox talks, and site inductions to...
IR35 Status:
Outside IR35

CV-Library Tilbury, Borough of Thurrock Contractor
CL
May 14, 2026  
Health And Safety Advisor
Health & Safety Advisor | Ipswich Suffolk | £300 -£350 day | Contract | Mon–Fri 7:30–17:00 We’re recruiting for a hands-on Health & Safety Advisor to support a large-scale internal refurbishment within a live logistics environment. Working for a consultancy on a major client-side project, you’ll play a key role in maintaining compliance and driving safe delivery across a busy, multi-contractor site. This is a fast-paced, high-profile project offering autonomy and visibility — ideal for a proactive Health & Safety Advisor confident working with everyone from operatives through to senior stakeholders. The Role As the on-site H&S lead, you’ll oversee day-to-day safety performance, embed best practice, and ensure works progress safely in line with CDM regulations. Responsibilities * Lead health & safety across a live, multi-contractor refurbishment project * Carry out site inspections, audits and compliance checks; report and close out actions * Review...
IR35 Status:
Outside IR35

CV-Library Ipswich, Suffolk Contractor
CL
May 09, 2026  
Civil Design Engineer
Civil Design Engineer | Water AMP 8 Contract: Long‑term, Outside IR35 Location: Chatham, Kent (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 Chatham 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...
IR35 Status:
Outside IR35

CV-Library Chatham, UK Contractor
CL
May 15, 2026  
Senior Civil Technician (CAD)
Senior Civil Technician (CAD) Location: London (Hybrid) Duration: 6 month contract Start: May 2026 IR35: Outside IR35 An opportunity has arisen for an experienced Senior Civil Technician to join a well-established engineering consultancy delivering complex infrastructure projects across the UK and Europe. This role sits within a specialist division focused on mission critical facilities, including large-scale data centre developments and associated infrastructure. The organisation is a globally recognised engineering business with a strong reputation in delivering high value, technically complex projects. In the UK, they have built a solid presence across major infrastructure programmes and are continuing to expand their footprint within the data centre and mission critical sector, supporting clients on some of the most demanding and fast-paced developments in the market. The role will be based from the London office with a hybrid working arrangement and will form part of a...
IR35 Status:
Outside IR35

CV-Library E1, Whitechapel, Greater London Contractor
CL
May 09, 2026  
QS
Freelance Project / Senior QS - £90m mixed-use project - Central London - Immediate start *** OUTSIDE SCOPE OF IR35 / Ltd Co *** I have an immediate requirement for a Freelance Project / Senior QS or Change Manager to measure, price, submit and agree Variations on a £90m mixed-use project in Central London. The project is a mix of Commercial and Healthcare with Residential apartments, c.£90m and runs until Summer 2026 - JCT Traditional contract. The role is site-based with a day a week working from home as required. This position will suit a Project or Senior level Quantity Surveyor from a Tier One or Two main contracting background, who's either run their own projects, been a Senior Project / Package QS on major projects or specialised in Change Management / Variations. The requirement is for c.3 months and has the potential to go longer on this or another project. To apply, or for more info, please contact Micah Evans. Randstad CPE values diversity and promotes...
IR35 Status:
Outside IR35

CV-Library City of London, 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 16, 2026  
Senior Quantity Surveyor
Pinnacle are looking to speak to Senior Quantity Surveyors, with a strong background in rail infrastructure, specifically across civil engineering and signalling projects. This is an excellent opportunity for a commercially astute professional to support high-profile rail programmes, ensuring robust cost control, contract management, and project delivery. Key Responsibilities * Lead all commercial and contractual aspects of rail projects, from pre-contract through to final account * Prepare, review, and manage cost plans, budgets, and forecasts * Administer contracts (e.g. NEC forms) including compensation events and variations * Conduct value engineering and cost optimisation exercises * Manage subcontractor procurement, payments, and final accounts * Provide accurate and timely commercial reporting * Support project teams in risk management and mitigation strategies * Liaise with clients, stakeholders, and multidisciplinary teams Requirements *...
IR35 Status:
Outside IR35

CV-Library Hatfield, Hertfordshire Contractor
CL
May 10, 2026  
Design Manager – Retail Banking
Position Design Manager – Retail Banking Location London or Luton Office (Hybrid) Pay Rate £400 - £450 per day (outside IR35) Contract 12-24 months (ongoing portfolio) This opportunity would suit a Design Manager with proven experience delivering Retail Banking projects for a main contractor. The Role Following several major project wins, you’ll join a growing framework portfolio, taking responsibility for design delivery across multiple fast‑paced projects at one of the UK’s largest Tier 1 main contractors. You’ll work directly with the Technical Director and Principal Design Manager, playing a key role in shaping design strategy and driving delivery across a portfolio of Retail Banking projects. While the role supports a national Retail Banking framework, travel requirements are minimal, with site visits planned efficiently and very limited overnight stays. The Company One of the UK’s leading Tier 1 construction and infrastructure contractors, operating nationally with a strong...
IR35 Status:
Outside IR35

CV-Library NW1, Euston, Greater London 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
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
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
CL
Apr 15, 2026  
Electrical Project Manager
We are a trusted provider of innovative solutions in the field of electrical contracting. With a strong commitment to excellence, the company delivers high-quality services to a wide range of clients. Based in the London area, United Kingdom, we are known for dedication to meeting client needs and exceeding expectations. The company continually works to enhance safety, efficiency, and sustainability in all its projects. Role Description This is a contract, on-site role for an Electrical Project Manager located in the London area, United Kingdom. The Electrical Project Manager will oversee electrical projects from initiation to completion, ensuring they are completed on time, within budget, and in compliance with quality and safety standards. Responsibilities include coordinating with stakeholders, managing project budgets, overseeing electrical designs, managing contractors, and ensuring all deliverables meet company and client specifications. Qualifications Strong expertise 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
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
May 10, 2026  
Revit MEP - London
Revit MEP Coordinator – Contract Central London £35-£38ph OUTSIDE IR35 We are urgently looking for 4 experienced Revit MEP Coordinators for long term ongoing contracts in London. The initial contracts will be for 6 months but we expect these to extend well beyond given current workloads. All of the positions are site based, we require two on a residential project near Covent Garden and two on a Commercial project near Oxford Circus. You will be working on behalf of a MEP Contractor who have been one of the leaders in Central London for the last 20 or so years and work with some of the leading Tier 1’s. Typical MEP value tends to be £7mil upwards. Laptops and software will be provided for the duration of the contracts. We will be organising Teams interviews next week with a view to starting immediately We cannot offer sponsorship for this role
IR35 Status:
Outside IR35

CV-Library City of Westminster, Greater London Contractor
CL
May 14, 2026  
Freelance Commercial Manager
Role: Commercial Manager Location: St Albans Rate: Up to £600pd. (outside IR35) The Company: This industry-leader are a privately backed business on a huge growth trajectory which will see their group turnover double to more than £1bn in the next 3 years. The group is made up of several successful subsidiaries that operate across the construction, civil engineering, and infrastructure sectors. This Commercial Manager position will be an opportunity to join their infrastructure division which supports the development of sustainable communities with smart infrastructure across the design, maintenance & development of critical water infrastructure for Water across AMP8 for Southern Water, South West Water and Affinity Water. Your Role: Reporting into the HOC, as a Commercial Manager you will make an immediate impact in the successful delivery of a portfolio of infrastructure schemes across the South. Dividing your time between the office site, and working from home, you...
IR35 Status:
Outside IR35

CV-Library St. Albans, Hertfordshire Contractor
CL
May 14, 2026  
Freelance Commercial Manager
Role: Commercial Manager Location: St Albans Rate: Up to £600pd. (outside IR35) The Company: This industry-leader are a privately backed business on a huge growth trajectory which will see their group turnover double to more than £1bn in the next 3 years. The group is made up of several successful subsidiaries that operate across the construction, civil engineering, and infrastructure sectors. This Commercial Manager position will be an opportunity to join their infrastructure division which supports the development of sustainable communities with smart infrastructure across the design, maintenance & development of critical water infrastructure for Water across AMP8. Your Role: Reporting into the HOC, as a Commercial Manager you will make an immediate impact in the successful delivery of a portfolio of infrastructure schemes across the Northeast. Dividing your time between the office site, and working from home, you will be responsible for managing CVRs, cost...
IR35 Status:
Outside IR35

CV-Library St. Albans, Hertfordshire Contractor
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