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 104 Inside IR35 31 Outside IR35 15
Refine by Categories
Engineering 74 Construction 50 Information Technology 7 Other 7 Admin-Clerical 1 Automotive 1
Facilities 1 Management 1 Manufacturing 1 Marketing 1 Media-Journalism 1
More
Refine by Job Type
Contractor 150
senior site engineer

150 senior site engineer jobs found

CL
Mar 08, 2026  
Senior Site Engineer
Senior Site Engineer Didcot £500-£600 per day PAYE Umbrella Are you a Senior Site Engineer interested in an exciting opportunity working on a multi-million-pound highways project? If so, keep reading. The Company Our client, a Tier 1 Contractor in the UK are currently offering an excellent opportunity for a Site Engineer to join them for an assignment on a high-profile highways project in Oxfordshire. The company is one of the leading Infrastructure contractors working in the market today and have an excellent track record of delivering world class Civil Engineering projects. The Role As a skilled Site Engineer, you will provide your expertise with ensuring the site runs effectively and safely. Your expertise in managing Construction Phase Plans will be essential as you ensure accurate placement and alignment of critical components. You’ll lead by example through regular on-site checks and making sure all project processes stay firmly on track. About you The ideal Senior...
IR35 Status:
Unknown Status

CV-Library Didcot, UK Contractor
CL
Mar 05, 2026  
Senior Site Engineer
Senior Site Engineer – Highways Location: Near Weston-super-Mare Direct Reports: Site Engineer Rate - Inside IR35  Role Overview We are seeking an experienced Senior Site Engineer to join our highways project team based near Weston-super-Mare. The successful candidate will support the Sub Agent in delivering highways and utilities works safely, on programme, and to the required quality standards. This role will involve managing day-to-day site engineering activities and overseeing a Site Engineer to ensure works are delivered in accordance with design, specification, and contractual requirements. Key Responsibilities Report directly to the Sub Agent and provide technical support to the site management team. Manage and mentor a Site Engineer, reviewing setting out, quality checks, and documentation. Oversee highways works including earthworks, drainage, kerbing, surfacing, S278/S106 works and associated infrastructure. Coordinate and manage utilities works (diversions,...
IR35 Status:
Inside IR35

CV-Library Banwell, UK Contractor
CL
Mar 05, 2026  
Senior Site Engineer
Are you a skilled Site Engineer ready to take the lead on a S278 works infrastructure scheme ? We’re looking for a Senior Site Engineer to spearhead delivery on a civils infrastructure scheme. What You’ll Be Doing * Lead engineering delivery across all infrastructure works * Set out for drainage systems and infrastructure roads * Manage QA documentation, survey control, benchmark integrity, and as-builts * Liaise with client-side engineers, foremen, and subcontractors to resolve site queries * Deliver accurate daily reporting to site/project management What We’re Looking For * Strong independent delivery skills and an eye for detail * Experience with highways and infrastructure schemes * Confident communicator * Available for an imminent start This is a rewarding freelance role for a confident and capable Senior Site Engineer OWN KIT preferred but not essential
IR35 Status:
Unknown Status

CV-Library Dudley, West Midlands (County) Contractor
CL
Mar 10, 2026  
Site Engineer/Setting Out
RESPONISIBILITIES Carry out all setting out and surveying for the project using a variety of controls such as the use of GPS kits, Total Stations, Levels etc Set up primary survey control for the site Support the senior project team in the overall implementation of the engineering strategy and framework for the designated project; Assist Section Engineer / Senior Engineer to manage materials, plant and labour within the allocated budget and resources, ensuring their safe, effective and efficient delivery of service on the project; Carry out reconciliations for materials used within the works. Identify best practice, areas for improvement and areas of concern, including matters relating to safety, finance or quality. Monitor and assist were required that material movements are recorded appropriately. · Ensure calibration records for surveying equipment in use is up to date. Health Safety & Environment Understand and contribute to RAMs production Carries out Task briefings as...
IR35 Status:
Unknown Status

CV-Library Middlesbrough, North Yorkshire Contractor
CL
Mar 08, 2026  
Project Engineer - Aerospace
Senior Project Engineer - Aerospace (Fuel Systems) Location: Titchfield, Hampshire Division: FMC UK (Aerospace) Overview Our Aerospace client in Titchfield is a global leader in fuel and air systems for both fixed‑ and rotary‑wing aircraft. With extensive on‑site testing capabilities and a strong engineering culture, they deliver high‑performance electro‑mechanical fuel system components across a wide range of aerospace platforms. With a move to a brand‑new purpose‑built facility underway, this is an exciting opportunity to join a growing and highly skilled team on a newly awarded project. They are seeking multiple Senior Project Engineers to join their New Product Introduction (NPI) team. This role is responsible for the design, development, verification and qualification of new fuel system components. You will act as a technical leader, customer liaison, and key contributor to the successful delivery of engineering projects. Key Responsibilities Technical Leadership...
IR35 Status:
Unknown Status

CV-Library Fareham, Hampshire Contractor
CL
Mar 08, 2026  
Senior IT Engineer - FTC
Join Our Team as a Senior IT Engineer (FTC)! 🌟 Are you ready to embark on an exciting journey in the entertainment industry? Our client is dedicated to creating unforgettable experiences and is on the lookout for a Senior IT Engineer to support their innovative operations. Contract Type: Fixed Term Contract (3 Months, could be extended) Salary: £40,000 - £50,000 annually (FTE) Working Pattern: Full Time, Office Based Key Responsibilities: 🌍 Service Delivery & Support Manage global IT operations, including helpdesk, endpoint management, and internal tools support. Design frictionless support experiences by leveraging automation and data-driven service improvements. Ensure high uptime and performance for core productivity tools (Google Workspace, Slack, (url removed)).💻 Infrastructure & Systems Management Oversee the IT infrastructure stack, including device management and identity management platforms. Lead lifecycle management for hardware and software assets,...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 08, 2026  
Senior Engineer
We are currently recruiting for an experienced Senior Engineer to join an established civil engineering contractor delivering a major marine civils project. This is an excellent opportunity to work on complex marine and coastal infrastructure works, with accommodation (digs) provided for those working away from home. Senior Engineer Responsibilities: * Reporting to the Site Agent and Project Management team. * Ordering materials. * All aspects of quality assurance and control. * ITP's & RAMS. * Managing a large temporary works package. * Managing / mentoring junior & setting out engineers. Senior Engineer Requirements: * CSCS Card (Ideally White) * SMSTS / SSSTS - Not essential but beneficial. * 5-10 years civil engineering experience. * Engineering experience on marine civils schemes. Next Steps: To apply for this Senior Engineer – Marine Civils role please submit your up-to-date CV and a member of the team will be in touch
IR35 Status:
Unknown Status

CV-Library Fort William, Highland Contractor
CL
Mar 08, 2026  
Sub Agent
We are supporting a major contractor delivering critical tunnelling and civils packages on the Sizewell C project. As part of the TBM drive team, we are seeking an experienced Sub Agent to lead technical delivery, coordinate subcontractors, and ensure safe, efficient execution of complex underground works. The Role As Sub Agent, you will play a pivotal role in managing the technical and planning elements of the TBM drive and associated civil works. Responsibilities include: Developing detailed methodologies, work packages, and sequencing for TBM and associated civils. Reviewing design information, producing clear method statements, and ensuring buildability. Solving problems at source—creating workable, practical solutions for engineering, logistics, and interface challenges. Conducting daily reviews of TBM progress, segment installation, materials flow, gantry operations, and tunnel logistics. Leading coordination with subcontractors (tunnelling, M&E, civils,...
IR35 Status:
Unknown Status

CV-Library Suffolk, UK Contractor
CL
Mar 07, 2026  
Senior Mechanical Design Engineer
Our client based in Buckinghamshire is seeking an experienced Mechanical Engineer to support a programme focused on legacy design investigation. The role involves assessing existing mechanical designs, identifying issues and performing root cause analysis. Contract Details: Inside IR35 - £45-52.00ph DOE 9 month contract  Hybrid working - 3 days on site in Buckinghamshire, 2 from home Key Responsibilities Root cause analysis on legacy mechanical designs Investigate mechanical issues Review and update existing engineering drawings and documentation Collaborate with wider team to understand design history and operational performance Prepare technical reports Required Skills & Experience Proven experience in mechanical design & analysis Experience with legacy design / investigation Strong background in rotating machinery/components, motors, generators is desirable  Experienced with NX or CATIA  If this role is of interest, please get in touch
IR35 Status:
Inside IR35

CV-Library Bedfordshire, South East Contractor
CL
Mar 07, 2026  
Mechanical Power and Propulsion Engineer
12 Month Contract – Inside IR35 £46.90 - £52.54 per hour umbrella Hybrid working – 1 -2 days per week on site Job Role: To provide Mechanical Engineering support to the Power & Propulsion systems team engaged in the functional design of Propulsion Systems on the River Class Destroyer Program for the Royal Canadian Navy. This includes design of mechanical system schematics, engineering change requests and other design definition documents and calculations. Key areas of activity: Contribute to mechanical elements of the design of the River Class Destroyer Power and Propulsion systems. Including: Propulsion Motors Diesel Generators Gas Turbine Propulsion Gearbox Shaftline Steering gear and Stabilisers Provide support to the team in order to assess technical compliance, integration and review of design documentation for the ship’s propulsion motors procurement pack. Implement change to P&P systems away from baseline ship design, assessing impacts on equipment, systems...
IR35 Status:
Inside IR35

CV-Library Portsmouth, UK Contractor
CL
Mar 07, 2026  
Senior Engineer
Senior Engineer – Marine Civils We are currently recruiting for an experienced Senior Engineer to join an established civil engineering contractor delivering a major marine civils project. This is an excellent opportunity to work on complex marine and coastal infrastructure works, with accommodation (digs) provided for those working away from home. The Role * Reporting to the Site Agent and Project Management team, you will take a lead role in the engineering delivery of marine civils works on site, ensuring technical compliance, programme delivery, and high safety standards. Senior Engineer Responsibilities * Lead setting out and engineering control for marine civils works * Oversee and coordinate site engineers and subcontractors * Ensure works are delivered in line with drawings, specifications, and programme * Manage temporary works coordination and implementation * Review and produce method statements, risk assessments, and technical documentation *...
IR35 Status:
Unknown Status

CV-Library Edinburgh, City of Edinburgh Contractor
CL
Mar 07, 2026  
Senior Electrical Engineer (hybrid working)
Senior Electrical Engineer – Contract – Remote Location: Remote / Hybrid Location: Hybrid This is an excellent opportunity to join a leading engineering business during a period of continued growth as they support the Oil & Gas, Petrochemical and Renewable Energy sectors. Our client can accommodate a hybrid working pattern with alternate weeks wfh / in the office in West Wales. The role will be outside IR35. Role & Responsibilities * Undertake design and checking of deliverables according to discipline and area of expertise. * Checking the quality of subcontractor design work to ensure compliance with agreed client design specifications. * Preparation and checking of deliverables including drawings, schedules, datasheets, specifications, (input to control philosophies and narratives if applicable). * Must understand wiring diagrams, control logic diagrams, system descriptions, system calculations, 1-line and 3-line AC drawings, AC & DC schematics, and...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Mar 07, 2026  
Systems Engineer (Digital Engineering)
Job title: Systems Engineer (Digital Engineering) Location: Reading/Hybrid (2-3 days per week on site) Rate: £83 per hour inside ir35 Contract: 6 months+ SC security clearance is required for this role Job description: We're looking for a Systems Engineer within Product Delivery for a client of mine who are a leading IT and engineering firm operating within the UK defence sector. You will own and evolve their System of Systems (SoS) digital engineering capability. Responsibilities: Deliver and continuously improve SoS toolchains (Cameo/UAF, SysML/UML, IBM DOORS NG, interface & configuration management, simulation and verification integration). Define the reference architecture and technical baselines for multi-system digital solutions. Create and manage a clear capability roadmap and backlog aligned to enterprise priorities. Enable full digital traceability from capability requirements → architecture → interfaces → analysis → verification → compliance evidence....
IR35 Status:
Inside IR35

CV-Library Reading, Berkshire Contractor
CL
Mar 07, 2026  
Senior Engineer
Freelance Senior Engineer Goole Start: ASAP End: October 2026 Are you an experienced Senior Engineer with a strong background in earthworks, drainage and associated civils up to sub-base? Do you want to work on a major infrastructure programme, delivering high-quality results within a collaborative team environment? I am recruiting on behalf of a civils subcontractor, who are currently delivering civil engineering works on a highways for a large Main Contractor. This is an excellent opportunity for a hands-on Senior Engineer to join the scheme on a freelance basis. About the Role As the Senior Engineer, you will be responsible for the on-site technical delivery and coordination of earthworks, drainage and associated civils activities up to sub-base level. You will work closely with site management, contractors and project stakeholders to ensure safe, compliant and efficient execution of works. Key Responsibilities • Lead and supervise earthworks, drainage and civils up to...
IR35 Status:
Unknown Status

CV-Library Goole DN14, UK Contractor
CL
Mar 07, 2026  
Senior Engineer (Rail Civils)
Our client, a reputable organisation in the rail sector, is currently seeking a Senior Engineer (Rail Civils) to join their team on a contractual basis. This role is focused on track drainage and involves acting as the Contractor's Responsible Engineer (CRE) on a significant rail infrastructure programme in and around London. This is an excellent opportunity for someone with a deep technical understanding of permanent way drainage systems and experience in compliance and assurance processes within a rail environment. Key Responsibilities Act as CRE for Track Drainage, ensuring all works are designed, delivered, and assured in accordance with NR/L2 responsibilities. Lead the technical delivery of track drainage works, including survey reviews, assessments, and design input. Provide engineering assurance across construction activities, ensuring compliance with Network Rail standards and project specifications. Coordinate with multidisciplinary teams (P-Way, Civils, Geotechnical,...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Mar 07, 2026  
Senior Traffic Engineer
An opportunity has arisen for a Senior Traffic Engineer with experience in scheme design and delivery to join a client in London. Your main duties include designing and delivering a range of public realm/highway improvement schemes and active travel across the area as well as other traffic engineering related programmes.   This is a full-time contract position. The rate on offer is £40 - £42 per hour - negotiable for the right candidate and dependent on experience. Flexible working and working from home options available.   Working within the Highways team your main duties include:  - Using AutoCAD to design a range of highways, parking and public realm improvement schemes  - Carrying out feasibility studies in relation to active travel, bus priority and sustainable transport schemes  - Delivering projects and managing the programme of works across the area  - Supervising and overseeing the quality of the work delivered on site by the contractors & designated...
IR35 Status:
Unknown Status

CV-Library Central London, London WC2N 5DU, UK Contractor
CL
Mar 07, 2026  
Senior Systems Engineer
Our client is seeking a seasoned Senior Systems Engineer to join their team. This is a hybrid role based in Broad Oak, combining on-site work with the flexibility of remote days. The successful candidate will play a pivotal role in enhancing maritime engineering solutions, ensuring the highest standards of systems engineering within complex projects. Job Requirements The ideal candidate should possess the following: Experience in systems engineering. Strong analytical and problem-solving skills. Understanding of systems design, integration, and validation. Excellent communication and teamwork abilities. Ability to work on-site 3-4 days a week as part of a hybrid arrangement. Key Responsibilities As a Senior Systems Engineer, you will be responsible for: Leading the design and integration systems. Conducting system validation and verification processes. Collaborating with multidisciplinary teams to ensure project success. Ensuring compliance with security protocols and...
IR35 Status:
Unknown Status

CV-Library Portsmouth, Hampshire Contractor
CL
Mar 07, 2026  
CAD Technician
Location: Bristol / South West Rate: £250–£365 per shift (CIS) Contract: Ongoing freelance with option to go permanent after 3–6 months The Opportunity A leading regional civil engineering contractor is expanding its in-house design and technical capability and is seeking a CAD Technician to support a long-term programme on the Bristol Water Framework. This is a strategic, long-term role as the business transitions from outsourcing the majority of design to building a strong internal technical function. The successful candidate will be a key part of this growth and will work closely with engineers and construction teams to deliver buildable, compliant designs. The position will start as a freelance CIS contract, with a clear pathway to a permanent role after 3–6 months, subject to mutual agreement. There is also genuine scope to progress into a Design Engineer or senior technical role as the in-house design team develops. Key Responsibilities * Produce detailed 2D and 3D...
IR35 Status:
Unknown Status

CV-Library Bristol, City of Bristol Contractor
CL
Mar 07, 2026  
Senior EC & I Engineer -Nuclear
Senior CE&I Engineer - PFCS Projects (Sellafield) Contract | £51-£56/hour (Inside IR35) Warrington | Hybrid - 3 days on site / 2 days remote Are you a Senior Control, Electrical & Instrumentation Engineer looking to apply your expertise on one of Sellafield's most critical legacy clean-up programmes? We're seeking a Senior CE&I Engineer to support the PFCS (Pile Fuel Cladding Silo) projects, delivering robust CE&I design and safety documentation within a highly regulated nuclear environment. This role offers the opportunity to work at the heart of a nationally significant decommissioning mission, contributing to safety-critical systems that underpin long-term hazard reduction at Sellafield. Key Responsibilities Deliver CE&I design work packages across a broad range of PFCS project scopes Produce and check design substantiation, safety documentation, and technical deliverables Provide expert CE&I input into design justification and safety case...
IR35 Status:
Inside IR35

CV-Library Warrington, Cheshire Contractor
CL
Mar 07, 2026  
EC&I Engineer -Site based Sellafield
Contract Opportunity: Senior CE&I Engineer - Sellafield Projects £46-50 per hour (Inside IR35) On-site - Sellafield/ West Cumbria Design Office / Warrington Hours: 37 hours per week over 4½ days Security Clearance: SC required We are seeking an experienced CE&I Senior Design Engineer to join the Silos MSSS SEP1 & SEP2 programme, working as part of a highly skilled, site-based CE&I design team supporting a major nuclear facility. The Role This is a site-focused design support role, providing front-line engineering input to Commissioning teams. You will be responsible for delivering and checking high-quality CE&I designs and design changes that meet functional, safety and business requirements. Please note: implementation, testing and commissioning activities are undertaken by separate dedicated site teams and are outside the scope of this role. Key Responsibilities Provide site-based front-line CE&I design support to Commissioning teams Deliver...
IR35 Status:
Inside IR35

CV-Library Seascale, Cumbria 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