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
Refine by IR35 Status
Unknown Status 93 Outside IR35 19 Inside IR35 15
Refine by Categories
Engineering 55 Construction 46 Other 7 Management 5 Government 4 Information Technology 3
Admin-Clerical 2 Education 1 Human Resources 1 Manufacturing 1
More
Refine by Job Type
Contractor 127
commissioning manager

127 commissioning manager jobs found

CL
Jul 09, 2026  
Test & Commissioning Manager with a Automation/Manufacturing & Enginee
Test & Commissioning Manager with a Automation/Manufacturing & Engineering background only, no IT £380 - £400 per day per hour (Outside IR35) Initial 6-month contract (Monday to Friday 0700 – 1700)  CSCS / ECS Card Required  You will be responsible for the following: • Develop and execute testing strategies and documentation, including Site Acceptance Tests (SAT), Tests on Completion, and Performance Tests. • Plan and conduct on-site testing, both internally and in customer-witnessed scenarios. • Ensure delivered systems meet ‘as sold’ specifications and align with customer needs. Escalate any identified gaps to the Lead System Integration Manager (SIM). • Validate safety systems, material flow, and messaging between PLC and WMS/WCS systems. • Own and manage the testing issue ‘punch list’ using tools like Jira, including prioritising, resolving, and escalating issues. • Work closely with stakeholders to re-test and confirm defect resolution. • Conduct volume and...
IR35 Status:
Outside IR35

CV-Library Leicestershire, UK Contractor
CL
Jul 05, 2026  
Commissioning Manager
Our Client is a International Building Services Consultancy specialising in Validation & Commissioning Management. They are currently recruiting for an Intermediate Commissioning/Validation Manager to work on a data centre project in West London. * You will hold recognized Building Services qualification. * Experience of Commissioning Management on Data Centre Projects is ideal but not essential
IR35 Status:
Unknown Status

CV-Library Ealing, Greater London Contractor
CL
Jul 04, 2026  
Electrical Commissioning Manager
Electrical Commissioning Manager ( Data Centres ) - London - contract One of Europe's leading Building Services Commissioning management consultancies is urgently seeking an Electrical Commissioning Manager with good witnessing experience on a Data Centre project in London Job Purpose Summary The role of our commissioning managers is to see that building services systems will be, are or have been put to work properly and in accordance with relevant requirements. Determining that this is the case could be achieved through any of the following: 1. Managing the commissioning process 2. Validating that the commissioning process and seeing that results obtained align with requirements 3. Inspecting existing systems to determine how they perform 4. Providing consultative advice in determining commissioning and performance requirements, commissioning strategies, programmes, scopes of work and the like. 5. Carrying out measurements, surveys and other technical inspections Additionally,...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jul 04, 2026  
Senior SEND Commissioning Manager
Senior Commissioning Manager (Special Educational Needs & Disabilities – SEND) Location: Lancashire (Hybrid Working) Salary: Competitive, dependent on experience Contract: Full-Time, Permanent Working Pattern: Hybrid – 2 days per week in the office, 3 days remote Make a Difference for Children and Young People Across Lancashire We are seeking an experienced and strategic Senior Commissioning Manager – SEND to lead the commissioning and development of high-quality services for children and young people with Special Educational Needs and Disabilities (SEND) across Lancashire. This is an exciting opportunity to shape provision, influence strategic partnerships, and ensure children and families receive the right support at the right time. Working within a dynamic commissioning environment, you will play a key role in delivering improved outcomes, value for money, and sustainable services that meet the diverse needs of Lancashire's communities. About the Role As Senior...
IR35 Status:
Unknown Status

CV-Library Lancashire, UK Contractor
CL
Jul 04, 2026  
Send Commissioning Manager
Senior Commissioning Manager (Educational Needs Specialist) – SEND Working Hours: Full-time Duration: Initial 3-month contract, with the potential for extension until 31 December 2026 About the Role We are seeking an experienced Senior Commissioning Manager (Educational Needs Specialist) to join the Children and Families Commissioning Service. This is an exciting opportunity to lead and support key commissioning priorities across Special Educational Needs and Disabilities (SEND), ensuring high-quality services are delivered for children, young people, and their families. The successful candidate must be able to attend the office at least two days per week, as well as additional days when required to meet service needs. Key Responsibilities Lead and support strategic SEND commissioning activities across the Children and Families Commissioning Service. Develop and maintain effective partnerships with key stakeholders, particularly across health and education sectors. Drive...
IR35 Status:
Unknown Status

CV-Library Preston, UK Contractor
CL
Jul 01, 2026  
Commissioning Manager
MEP Commissioning Manager - Principal Contractor | Data Centre Projects 📍East London 💷 Freelance (CIS or Ltd) or Perm PAYE £90k-£95k A leading Principal Contractor is looking to appoint an experienced MEP Commissioning Manager to join a flagship 45MW hyperscale data centre project in East London . With Phase 2 now kicking off, this is an opportunity to join one of the UK’s fastest-growing sectors on a long-term programme of works. The successful candidate can expect a minimum 12-month engagement, with a strong pipeline and realistic potential for extension beyond this phase. This role is ideally suited to someone with a strong commissioning background in mission critical environments and proven HV experience, acting as the key interface between project delivery, client teams and specialist commissioning contractors. The Role You’ll take ownership of the commissioning strategy from early-stage planning through to final validation and handover, ensuring all critical systems are...
IR35 Status:
Unknown Status

CV-Library Tower Hamlets, Greater London Contractor
CL
Jul 10, 2026  
Commissioning Engineer
Position: Commissioning Engineer Location: West Midlands (Birmingham/Coleshill Area) Rate Guide: £475.00 Per Day (Outside IR35) Our client is a Tier 1 D&B Contractor operating predominantly in the water industry who have been awarded a programme of work to deliver non-infrastructure water and wastewater projects for Severn Trent Water and they are recruiting for an EICA Commissioning Engineer to help deliver these projects. This role will be based on sites in the South of the Severn Trent Water region, including Coleshill, Minworth and other projects in the area around Birmingham. Reporting to the Commissioning Manager, you will be managing all commissioning activities ensuring work is undertaken safely in accordance with Company procedures, specifications and good working practices. Key responsibilities will include: Carry out Commissioning Engineers R&R's and deliver schemes in a safe compliant manner. Review and monitoring of MEICA related Project risks. Attend...
IR35 Status:
Outside IR35

CV-Library Birmingham, West Midlands Contractor
CL
Jul 09, 2026  
Commissioning Engineer
We are looking to strengthen our Construction team with an Commissioning Engineer, Site based at Wanlip, Severn Trent Region- on a permanent or freelance basis You will report directly to the Commissioning Manager and will be managing all commissioning activities ensuring work is undertaken safely in accordance with Company Procedures, specifications, and good working practices. Key responsibilities will include: Carry out Commissioning Engineers R&R's and deliver schemes in a safe compliant manner. Review and monitoring of MEICA related Project risks. Attend commissioning systems inductions and tool box talks. Liaise with Design team to ensure plant commissioning requirements are incorporated at design stage and included in appropriate scope of works. Review of design deliverables, including FDS, equipment and instrument lists, P&IDs, control philosophy and telemetry requirements Review and development of Compliance & Commissioning Plans in conjunction with design...
IR35 Status:
Unknown Status

CV-Library Leicestershire, UK Contractor
CL
Jul 08, 2026  
Electrical Site Supervisor
Electrical Site Supervisor – Hertfordshire £425 – £475 per day We are partnering with a Tier 1 contractor to recruit an experienced Electrical Site Supervisor for a high-profile water infrastructure project based in Hertfordshire. This is an excellent opportunity to join a well-established delivery team working on critical infrastructure, where your expertise will have a direct impact on project quality and programme. Reporting to the Regional Commissioning Manager, you will take ownership of all electrical site activities - ensuring installations are delivered safely, efficiently, and to the highest standard, with quality and compliance at the forefront of everything you do. Key Responsibilities Lead the supervision of electrical installations on site, ensuring all works are delivered in line with current standards, specifications, and contractual requirements Act as Electrical Appointed Person, upholding electrical safety rules and ensuring all supporting documentation is...
IR35 Status:
Unknown Status

CV-Library Hertfordshire, UK Contractor
CL
Jul 08, 2026  
Commissioning Engineer
Commissioning Engineer Location - Luton We are recruiting for Commissioning Manager to effectively deliver the commissioning of wastewater and sludge treatment process plant from completion of construction through to successful Take-Over. - Electrical inspection of cable terminations and glanding in the field and producing marked-up as-built electrical drawings, - Identify and resolve electrical issues through effective fault finding and troubleshooting, - Testing and commissioning of electrical power and ICA control systems including motors, setting up inverter drives, magnetic flow meters, pressure transducers, level instrumentation and valve actuators, - Functional testing of analogue and digital signals to the PLC and SCADA, - Initial start-up and wet commissioning of pumps, blowers, gas boosters, sludge screens, mixing pumps and gas compressors in accordance with the manufacturer's instructions, - Functionality testing of process plant as part of Site Acceptance...
IR35 Status:
Unknown Status

CV-Library Luton, UK Contractor
CL
Jul 08, 2026  
HV Commissioning Engineer
Astute's Power Team are partnering with a Leading EPC Contractor within the Energy Sector. We are currently recruiting for a HV Electrical Commissioning Engineer to join their Open Cycle Gas Turbine project based in Stewartby, Bedfordshire. The HV Electrical Commissioning Engineer position comes with a day rate from £550.00 to £575.00 per day outside of IR35. Role responsibilities and key skills for the role: Lead and coordinate all high-voltage (HV) commissioning activities associated with the 298MW OCGT plant, ensuring safe, compliant, and efficient delivery in line with project milestones. Execute detailed HV commissioning plans, switching schedules, and energisation procedures, aligned with the overall project commissioning strategy and grid connection programme. Supervise and manage pre-commissioning and commissioning of HV systems, including GIS/AIS switchgear, power transformers, generator step-up (GSU) transformers, protection & control systems, and grid interface...
IR35 Status:
Outside IR35

CV-Library Stewartby, Bedfordshire Contractor
CL
Jul 04, 2026  
Commissioning Test Team Leader
Are you an experienced Commissioning Test professional looking for your next challenge? This company is seeking a talented Commissioning Test Team Leader to join their dynamic team in Reading. Due to the nature of the project you will be working on you will need to hold active SC clearance. About the Role As the Commissioning Test Team Leader, you will be responsible for supervising on-site commissioning activities to ensure safe, compliant, and accurate testing is achieved. You will review commissioning documentation and Safe Systems of Work, ensuring they are followed by all involved in the activity. Key responsibilities of the Commissioning Test Team Leader role include: Work to approved commissioning procedures and Safe Systems of Work Raise commissioning reservations and seek guidance from the commissioning manager or engineering support Ensure the final state of plant configuration is as expected or agreed with the commissioning manager What We're Looking For The ideal...
IR35 Status:
Unknown Status

CV-Library Reading, Berkshire Contractor
CL
Jul 10, 2026  
Site Manager - South Moreton
Description Within Trant, the primary duty of the Site Manager is to ensure safe and compliant practices on their site. The Site Manager is responsible for overseeing day-to-day site activities for their dedicated site, ensuring works are delivered on schedule, within budget, to SHEQ standards, clients contract conditions and regulatory standards. The role manages site personnel, coordinates subcontractors, and acts as a key interface between construction, engineering, and commissioning teams.  Key Responsibilities Technical Responsibilities: Site Management Manage and supervise site teams, including subcontractors and operatives. Ensure safe, efficient, and compliant delivery of construction and installation works. Manage site resources, plant, and materials effectively. Maintain quality standards, inspections, and defect management. Health, Safety & Compliance Carry out duties in accordance with Company Management System, Policies, Statutory and Client requirements....
IR35 Status:
Unknown Status

CV-Library OX10, United Kingdom Contractor
CL
Jul 10, 2026  
Site Manager (Construction)
Site Construction Manager North Devon £350-£400 per day Contract until December 2026 Industrial Process Installation Project A leading engineering contractor is seeking an experienced Site Construction Manager to oversee the delivery of a major processing plant installation project based at a large manufacturing facility in North Devon. This is an interim contract opportunity running through to at least December 2026, offering the chance to lead a complex multi-disciplinary installation programme involving mechanical, piping, electrical and commissioning activities. The Role Reporting to the Project Director, you will take responsibility for the day-to-day management of site construction activities, ensuring works are delivered safely, efficiently and in line with programme requirements. You will coordinate multiple subcontractors and specialist teams whilst maintaining high standards of safety, quality and productivity throughout the project lifecycle. Key...
IR35 Status:
Unknown Status

CV-Library North Devon District, UK Contractor
CL
Jul 10, 2026  
Mechanical Project Manager
Mechanical Project Manager North London Long Term Contract 1st Step Solutions are supporting a leading Tier 1 M&E Contractor who have an opportunity for a Mechanical Project Manager to be based on a new Data Centre project.  To be successful in this role, you will have a proven track record in project management, particularly within the Data Centre sector or similar related projects with values between £40+ million. Ideally, you will have experience of demonstrating responsibility for full Contract Management at this level. Responsibilities: - The primary focus of this role will include the overall supervision and performance of the operational project team to ensure that all activities meet the programme, cost, safety and quality objectives of the Project. - Overall responsibility of the Building Services installation on your projects. - Deliver a quality installation, in line with client’s expectations, maximise the profitability and driving our cost whilst maintaining our...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jul 10, 2026  
Site Agent
Site Agent - AMP Frameworks Experience Preferred   Location: West Midlands    Birmingham-based preferred Contract: 12 months + Coverage Area: Worcester, Stafford, Coventry and Loughborough regions Start Date: Immediate / As Soon As Possible   We are seeking an experienced Site Agent to provide holiday cover across multiple clean and wastewater infrastructure projects operating within AMP frameworks. The successful candidate will typically oversee a site for approximately two weeks at a time and will be responsible for maintaining safe, compliant and efficient project delivery whilst representing the business professionally with clients and stakeholders. Due to the geographical spread of the sites, candidates based in or around Birmingham would be ideally positioned for the role.   There will be 12months + Work for the right agent thereafter on their own site (Midlands based) EA   Key Responsibilities Planning, programming and resourcing of projects. Preparation and...
IR35 Status:
Unknown Status

CV-Library United Kingdom Contractor
CL
Jul 10, 2026  
Project (Contracts) Engineer - Inside IR35
Client base is St Neots, Cambridgeshire but the role can be REMOTE (client site visits and meetings at St Neots as required).  Summary Acts as a design authority for an engineering discipline with medium complexity. Completes assignments on multiple projects of moderate size or portions of major projects in a cost-effective manner and in accordance with contract specifications, quality standards, safety requirements, and cybersecurity policies and standards. Core Responsibilities Technical contribution Acts as a technical lead and approves design deliverables. Reviews all project documents for conformity, safety, cybersecurity, and quality assurance requirements. Anticipates and solves unprecedented design problems, crucial issues, and/or unique conditions. Serves as a specialist in the application of advanced concepts and methods. Defines focus areas / priorities for design to ensure technological excellence. Customer and Sales Works with the customer to shape and...
IR35 Status:
Inside IR35

CV-Library Cambridgeshire, UK Contractor
CL
Jul 10, 2026  
Experienced Social Worker
Connect2Kent exclusively recruits on behalf of Kent County Council (KCC), supporting them in hiring both Locum and Permanent Social Workers across the county. With an Ofsted rating of 'Outstanding', KCC offers an exceptional environment for social work professionals looking to make a real impact. We are currently seeking qualified and passionate Social Worker's to join the South Kent Children with Disabilities team 0-18 based in Ashford. If you are enthusiastic, dedicated, and ready for a new challenge, this is an excellent opportunity to develop your career in one of the UK's most desirable regions. Purpose of the Job: Manage a caseload of disabled children and young people aged 0-25 to assess, plan, monitor and review the support/personal assistance needs of service users, working in a person-centred way. Work with the service users and their families/carers to develop a package of support/assistance as they prepare to become adults and in their early adult life that promotes...
IR35 Status:
Unknown Status

CV-Library Ashford, Kent Contractor
CL
Jul 10, 2026  
Project Manager Fit Out
I'm working with a leading main contractor delivering a major residential development in East London who is looking to appoint an experienced Project Manager to take ownership of the amenities and communal areas package. This role will suit a client-facing Project Manager with a strong fit out background who can drive quality, programme and subcontractor performance across a range of high-specification amenity spaces. You'll be responsible for managing the delivery and completion of all communal and resident facilities, ensuring they are handed over to an exceptional standard. The project requires a proactive individual who can coordinate multiple workstreams, manage stakeholder expectations and maintain momentum through the final stages of delivery. Key Responsibilities: • Manage the delivery of all amenity and communal areas from fit out through to handover • Drive programme and ensure key milestones are achieved • Coordinate subcontractors, suppliers and site teams • Lead...
IR35 Status:
Unknown Status

CV-Library Newham, Greater London Contractor
CL
Jul 10, 2026  
Site Manager - Water Infrastructure Project
Site Manager - Water Infrastructure Project Central London 8-12 Week Contract - Starting in Mid July.  Rate: Umbrella - CIS, dependent on experience Carrington West is recruiting for two experienced Site Managers to oversee a high-profile water infrastructure project in Central London. We are looking for: ·1 x Day Shift Site Manager (12-hour shifts) ·1 x Night Shift Site Manager (12-hour shifts) Together, these positions will provide management coverage across a 24-hour operation. This is a unique opportunity to manage the installation of a new water main and associated connections that will enhance the fire supply to one of the UK's most recognisable and secure locations. Working in a busy city centre environment, you'll be responsible for coordinating works, managing stakeholders, and ensuring safe and efficient delivery throughout the project. The Project The works involve the installation of approximately 24 metres of new water main and associated connections within a...
IR35 Status:
Unknown Status

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