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 IR35 Status
Unknown Status 12 Outside IR35 3 Inside IR35 3
Refine by Categories
Construction 50 Admin-Clerical 10 Management 8 Education 6 Information Technology 6 Marketing 6
Other 5 Legal 4 Finance 3 Insurance 3 Pharmaceutical 3 Government 2 Human Resources 2 Customer Service 1 Facilities 1 Media-Journalism 1
More
Refine by Job Type
Contractor 18
Engineering London senior site manager

18 senior site manager jobs found in London

CL
Dec 04, 2025  
Senior Engineering Project Manager
Engineering Project Manager 6 Month initial Contract Work Location: Stevenage Overview of department:   The role sits within the Electronics Engineering department. They are growing, dedicated and we work as a team to deliver projects. You will be managing detailed design of electronics products such as printers, small thermostats ect.   Responsibilities: Your role as a Senior Engineering Project Manager (SEPM) is to deliver our most complex and priority projects to time, cost and quality; to drive the design, development and delivery of our highly complex electronic sub-systems, from concept through into full production. This is a fantastic opportunity to be a senior member of the project management team; someone who will contribute to our delivery strategy.   Skillset/experience required: Someone with drive, passion and commitment who has: Experience of Project Management best practice: Risk Management, Stakeholder Management, Compliance Management, Configuration Management...
IR35 Status:
Unknown Status

CV-Library Stevenage, UK Contractor
CL
Mar 05, 2026  
Energy & Compliance Manager
Energy & Compliance Manager |Greenwich | 15-Month Fixed Term Contract | Circa £60,000 + Bonus + Ex Benefits About the Role We're seeking an experienced Energy & Compliance Manager for a 15-month maternity cover. You'll deliver existing energy-saving initiatives, support carbon reduction goals, and ensure statutory and audit compliance across a large operational site. This hands-on role focuses on delivery, coordination, and stakeholder engagement, working closely with Facilities, Engineering, HSE, and senior leadership. Why Apply? Make a real impact by leading energy and carbon reduction projects. Collaborate with senior and international stakeholders, gaining high visibility. Take ownership of well-defined, fully funded initiatives from day one. Enjoy a broad, varied role spanning energy, compliance, audits, and CAPEX. Benefit from a competitive salary and a supportive, high-performing team. What You'll Be Doing Deliver agreed energy-saving initiatives aligned...
IR35 Status:
Unknown Status

CV-Library City of London, London Contractor
CL
Mar 14, 2026  
Construction Manager
Senior Construction Manager required for a 12-month contract role, working on behalf of our client, a global engineering and construction contractor, based at their UK head office in Surrey. The successful candidate will join their existing team working on a major LNG project, and our client is looking for candidates with at least 20 years EPC and FEED LNG experience in a similar role. Responsibilities: •EPCI Bid Support. •Providing inputs to the Project Execution Strategy •Support the development of ITB and supporting documentation •Support bid evaluations and clarifications •Development of the construction execution plan for EPC Phase •Providing input in the development of the project schedule •Conduct site and yard visits (Asia) •The position may also require frequent visits to Jakarta Engineering home office •Review site plans for execution phases of the project •Participate in project constructability workshop(s) •Participate in project risk and Lessons Learnt reviews •Provide...
IR35 Status:
Unknown Status

CV-Library KT22, Leatherhead, Surrey Contractor
CL
Mar 14, 2026  
Senior Mechanical Engineer
Astute's Power Team is partnering with a leading organisation within the Nuclear sector, to recruit a Mechanical Engineer for its Berkshire site. The Mechanical Engineer role comes with a 12-month minimum contract (Outside IR35) and the opportunity to work on a busy and strategically important site. If you're a Mechanical Engineer and are looking to work for an organisation that puts integrity and people at the forefront of everything it does, then submit your CV to apply today. Responsibilities and duties of the Mechanical Engineer role Reporting to the Site Manager you will: Oversee and support the manufacture and fitting of mechanical components Work from and interpret mechanical engineering drawings Provide hands-on engineering support within both site and factory environments Ensure assembly activities are carried out safely using appropriate hand tools Support and oversee lifting & slinging activities in line with site procedures Ensure compliance with relevant...
IR35 Status:
Outside IR35

CV-Library Aldermaston, Berkshire Contractor
CL
Mar 14, 2026  
Senior EC&I Engineer
Astute's Power Team is partnering with a leading organisation within the Nuclear sector, to recruit an EC&I Engineer for its Berkshire site. The EC&I Engineer role comes with a 12-month minimum contract (Outside IR35) and the opportunity to work on a technically complex and strategically important project. If you're an EC&I Engineer and are looking to work for an organisation that puts integrity and people at the forefront of everything it does, then submit your CV to apply today. Responsibilities and duties of the EC&I Engineer role Reporting to the Engineering Manager you will: EC&I Delivery Produce CE&I design concepts including SLDs, BCDs, cable schedules and layout drawings Develop designs that conform to relevant British and European standards and client requirements Produce and maintain LTQR / Technical Files in accordance with Quality Management Systems Ensure designs address operability, maintainability and safety considerations Deliver...
IR35 Status:
Outside IR35

CV-Library Aldermaston, Berkshire Contractor
CL
Feb 15, 2026  
Electrical QAQC Project Manager
Great long term opportunity to join this successful, stable and growing MEP Contractor within their mission critical team on a major data centre project. They are looking for an experienced Electrical QAQC Manager - Known for engineering excellence, this firm offers a strong pipeline of large-scale data centre and infrastructure builds for global technology clients. The business maintains a sharp focus on quality, innovation, and delivery, providing the tools and autonomy for experienced professionals to lead with confidence. This is a long term site-based role suited to someone with a strong electrical background and demonstrable QA/QC leadership experience in complex environments. Key Responsibilities: Lead electrical QA/QC across full project lifecycle-installation, testing, inspection, and handover Define and maintain ITPs, inspection checklists, and QA systems aligned to BS, ISO, and client standards Supervise electrical QC activities including LV systems,...
IR35 Status:
Unknown Status

CV-Library Milton Keynes, Buckinghamshire Contractor
CL
Mar 19, 2026  
Building Services Manager
Building Services Manager - preferably Mechanically biased - Commercial Offices project. c£(Apply online only) a day - until Spring 2027 - SW London - site based role. Working for a tier 1 main Contractor specialising in providing construction, services and property management expertise in Building and Civil Engineering, Property Development, and Industrial sectors. You will be charged with the delivery of MEP services on a new build commercial/mixed use project. You will be required to carry out the full coordination and management of M&E services installations of this project working as part of a team and reporting to a Lead MEP Manager. You will be educated to a minimum HND level in a relevant field with a good level of experience working for at least 5 years within the MEP contracting arena with a tier one M&E Sub-contractor or as a Building Services Manager within a main contracting environment. Mechanical background is preferred although a good understanding of both...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 13, 2026  
Senior Highway Engineer
Our client is seeking a Senior Highway Engineer for a contract position in London. This is a critical role focused on leading the design and project management of highways, traffic management, road safety, and active travel schemes. The role requires a high level of professional judgement and technical expertise to ensure effective delivery of the Service Plan. Key Responsibilities: Lead the design and manage the feasibility, concept development, detailed design, and implementation of various highways and traffic schemes. Act as the technical lead for assigned schemes and work with internal and external stakeholders to ensure all initiatives are technically compliant, cost-effective, and completed within budgets. Apply professional judgement and expertise to support programme planning, risk management, and continuous improvement. Supervise, monitor, and control allocated project budgets to ensure effective financial management and value for money. Deliver the design of highways,...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 15, 2026  
Senior Traffic Engineer
Senior Traffic Design Engineer   The role is primarily dealing with the design of small to medium size highway improvement schemes within the boundaries of the city. This will include feasibility, outline, and detailed design. Anything from cycle improvement schemes, traffic calming, traffic signal and pedestrian crossing improvements, etc.    Knowledge and experience of local authority standards is essential as well as the use of 2D Autocad.   Some site visits will be required and possibly some site supervision as well, but this will be discussed with the candidates.   Previous experience in Traffic is essential for this role.   Carrington West are also looking for Engineers & Project Managers with similar backgrounds across the South of UK - please get in touch to find out more.   For a full description and further information on the role, please call Phoebe Kingston at Carrington West on (phone number removed) or email (url removed)   What you need to do now:...
IR35 Status:
Unknown Status

CV-Library Greater London, UK Contractor
CL
Mar 13, 2026  
Site Manager
New Opportunity for a Site Manager in Cricklewood! Role: Site Manager (Shafting/Tunneling)- Thames Water Project (Location: Cricklewood Rate: £475 p/d (Inside IR35/Umbrella PAYE) Duration: 18 Months+ (Ongoing) Sector: Water/Wastewater Bias: Civil Engineering (Shafting/Tunneling) Are you an experienced Site Manager with expertise in shafting or tunneling? Join us in Cricklewood for a prestigious Thames Water pumping station project! About the Role: As a Site Manager, you will be a key player in delivering a major pumping station refurbishment project. Located at the Cricklewood Pumping Station, a site with significant recent works, your role will involve overseeing the installation of upgrades to the pumping infrastructure, structural repairs, and various other site enhancements. You will also manage shafting and tunneling works as part of this critical upgrade for Thames Water. Key Responsibilities: ·Lead and manage site teams in delivering a complex Thames Water...
IR35 Status:
Inside IR35

CV-Library Cricklewood, London NW2, UK Contractor
CL
Mar 15, 2026  
Construction Manager - Civils
Civils Construction Manager needed for one of the largest HV substation projects in the UK, based in the London area. This is a high-profile National Grid scheme and a fantastic opportunity to work on critical UK energy infrastructure. The Construction Manager will be responsible for overseeing all aspects of the civil engineering works for the project, ensuring site operatives carry out their work to the highest standards and in line with health and safety legislation. Management of subcontractors, budgets and materials, as well as overall quality control and client liaison are key elements of the role. Also vital are strong IT skills and a high degree of competency with paperwork, such as ITPs and RAMS. Previous experience in the high voltage sector, specifically National Grid or DNO projects, is preferred. However, Civils Construction Managers from the utilities and infrastructure sectors will also be considered. This is an exciting opportunity to work on a flagship HV...
IR35 Status:
Unknown Status

CV-Library Hillingdon, Greater London Contractor
CL
Mar 13, 2026  
Project Manager
OT Project Manager – Secondary Manufacturing The Role Our client is looking for a versatile and proactive Project Manager to join their team. You will oversee the decommissioning of diverse systems within a secondary manufacturing environment. You will lead the end-to-end lifecycle of critical assets—from the decommissioning and relocation of equipment at existing sites to the commissioning and integration within our new, agile, smaller-scale Oral Solid Dose (OSD) facility. Key Responsibilities Asset Relocation & Integration: Lead the strategic move of existing equipment from decommissioned facilities into a new OSD environment. Commissioning & Validation: Oversee the installation and commissioning phases, ensuring all assets meet stringent pharmaceutical standards and operational requirements. Stakeholder Coordination: Act as the bridge between decommissioning teams, equipment vendors, and the new facility’s operational staff. Project Governance: Maintain strict...
IR35 Status:
Unknown Status

CV-Library Ware, Hertfordshire Contractor
CL
Mar 04, 2026  
Mechanical Design Engineer (Military Packaging Design)
World Class Defence Organisation is currently looking to recruit a Mechanical Design Engineer (Military Packaging Design) subcontractors on an initial 12 month contract. This role would suit a Mechanical Design Engineer who comes from a strong Defence or Aerospace background has strong Creo / PRO-E skills.         Job Title:  Mechanical Design Engineer Rate: £50.00 per hour Location: Stevenage Hybrid / Remote working: Hybrid, 2-3 days min on site. Although this can change due to workload. Can be continually reviewed. Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Mechanical Design Engineer - Military Packaging Design Job Description: An opportunity to become part of Europe’s No. 1 Missile Systems Designer, as a Mechanical Design Engineer. You will work closely with other functional teams, to develop...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Feb 11, 2026  
Electrical Systems Engineer / Architect
World Class Defence Organisation is currently looking to recruit an Electrical Systems Engineer / Architect subcontractor on an initial 12 month contract. Your base site can either be from the companies Bristol, Stevenage or Bolton office.  This role will be a hybrid position – 3 days per week onsite and 2 days remote.      Hourly Rate: £60 - £85 (Umbrella).      Contract Duration: 6 Months initially and then ongoing and long-term thereafter.   Missile Electronic Architect Job Description:   Electrical Architects/Engineers are involved in all aspects of missile development, from the early concept studies to series production and in-service support. It’s an excellent opportunity for someone wanting to build on their engineering experience. Responsibilities: You will be responsible for the electrical architecture and requirements for missiles and/or their associated launcher systems with duties including: Specifying/determining system electrical requirements interface definitions...
IR35 Status:
Unknown Status

CV-Library Stevenage, UK Contractor
CL
Mar 13, 2026  
Senior Engineer
We are currently recruiting for an experienced Senior Engineer on either a freelance or perm basis to join a leading civil engineering main contractor on a major aviation infrastructure project running for 18–24 months. This is an excellent long-term opportunity offering a competitive day rate, with strong project continuity for the right candidate. The project involves complex airside and landside infrastructure works, including structural steel works, piling, foundations, and pile caps, so experience within aviation, major infrastructure, or highly regulated environments is essential. Key Responsibilities: * Lead and manage engineering activities across allocated sections of works * Oversee delivery of structural steel, piling, foundations, and pile cap packages * Provide technical support to site teams and subcontractors * Ensure works are delivered safely, on time, and within budget * Review and approve RAMS, ITPs, lift plans, and...
IR35 Status:
Unknown Status

CV-Library Bishops Stortford, Hertfordshire Contractor
CL
Mar 14, 2026  
DV Cleared Control Systems Engineer
DV Cleared Senior Software Engineer Aldermaston - Onsite 12-month contract | Outside IR35 Are you a DV cleared Software Engineer who can take full ownership of software delivery on site? Do you enjoy building Siemens PLC solutions from scratch in secure, regulated environments? Looking for a long-term contract with a strong on-site engineering focus? What's in it for you ·£650 to £750 per day ·Outside IR35 ·12-month contract ·4-5 days onsite per week ·Work on high-security, technically challenging projects What will you be doing? ·Designing, developing and programming Siemens PLC systems from scratch ·Leading all software activities on an assigned project ·Configuring Siemens PLCs, HMIs and associated networks ·Producing on-site test documentation and supporting FATs and SATs ·Carrying out on-site testing and commissioning of PLC systems ·Acting as the technical interface with the client during delivery ·Providing technical leadership, mentoring and support to other engineers...
IR35 Status:
Outside IR35

CV-Library Reading, UK Contractor
CL
Mar 14, 2026  
Senior Planning Engineer
Senior Planning Engineer  Client: Pharmaceutical Sector Location: Royston, Hertfordshire  Start Date: ASAP Duration: 12 months  Contract Type: Contract Rate: £600 per day (Flexible) – Umbrella PAYE (inside IR35)  The Role We are seeking a highly experienced Senior Planning Engineer with a strong engineering background and expert-level proficiency in Primavera P6. This role requires a candidate who can hit the ground running and take full ownership of project planning activities on site. A background in ME&I (Mechanical, Electrical & Instrumentation) and/or major construction delivery would be highly advantageous. Key Responsibilities Develop, manage, and maintain integrated project schedules in Primavera P6 Work closely with engineering, construction, and project controls teams Conduct critical path analysis and identify schedule risks/opportunities Monitor progress, update programmes, and forecast completion Lead planning meetings and present reports to...
IR35 Status:
Inside IR35

CV-Library Royston SG8, UK Contractor
CL
Mar 18, 2026  
Electrical Engineer
Are you an experienced HV Electrical Engineer ready to take ownership of a critical infrastructure? DS Smith are seeking a skilled Electrical Engineer with experience of High Voltage to join their expanding engineering team. This role will act as the electrical expert for the site and the facilities. Role: HV Electrical Engineer Shifts: Monday - Friday, 8am - 4pm or 9am - 5pm with on call hours expected Pay: £480 - £630 per day depending on experience Duration: 6-12 months with the opportunity to apply for a perm role Location: DS Smith, Kemsley Mill, Sittingbourne, ME10 2TD Role & Responsibilities: The main purpose of this role is to ensure uninterrupted electrical power across the site, focusing on HV cabling, terminations, and electrical infrastructure reliability, mostly looking at maintenance and compliance of the system. Key Responsibilities Ensure HV power solutions are planned and constructed to meet current and future growth/demands Maintain electrical...
IR35 Status:
Unknown Status

CV-Library Sittingbourne, Kent 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