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 179 Inside IR35 53 Outside IR35 35
Refine by Categories
Engineering 151 Construction 73 Information Technology 17 Other 12 Management 6 Government 2
Manufacturing 2 Automotive 1 Distribution-Shipping 1 Supply Chain 1 Warehouse 1
More
Refine by Job Type
Contractor 267
senior project engineer

267 senior project engineer jobs found

CL
May 24, 2026  
Senior Project Engineer
Ceto Talent are representing a well-known global energy EPCI contractor in the search for an experienced Senior Project Engineer / Offshore Methods Engineer (Lead – Pipelines) to support a major UK Carbon Capture project. * Location: South West London (Hybrid – 3 days office / 2 home) with occasional visits to Teesside * Contract: 6–9 months (strong potential to extend) * Rate: Highly negotiable depending on experience * IR35 Status: Outside IR35 * Start: ASAP Purpose of the position: This role is suited to a Senior Project Engineer with a strong background in offshore pipeline installation and construction methods. As an Offshore Methods Lead / Senior Project Engineer, you will report into the Installation Methods Manager and play a key role in delivering a major Carbon Capture & Net Zero project. You will be responsible for coordinating the activities of the methods engineering function, ensuring technical delivery is achieved efficiently, safely, and in...
IR35 Status:
Outside IR35

CV-Library KT1, Grove, Greater London Contractor
CL
May 22, 2026  
Senior Project Engineer
Contract Project Engineer (Capital Projects) – Outside IR35 We’re supporting a global hygenic manufacturing organisation with a significant capital investment programme in securing a Contract Project Engineer to support delivery and strategic project development across a complex environment. This role is ideally suited to a progressive, forward-thinking engineer who combines strong technical grounding with the ability to translate engineering outputs into clear, data-driven insights and presentations for senior stakeholders. The Role Working closely with the senior projects leadership team, you will support both project delivery and front-end project development, helping shape investment decisions and future pipeline. You’ll operate across the full lifecycle — from early concept and feasibility through to design — with a particular focus on structuring information, modelling capacity, and presenting robust business cases. Key Responsibilities * Deliver and support projects...
IR35 Status:
Outside IR35

CV-Library Wigan, Greater Manchester Contractor
CL
May 21, 2026  
Senior Project Engineer - M&E
My client, an specialist M&E subcontractor are actively recruiting for a senior project engineer with a mechanical / electrical background, to join their existing rail team on a high profile rail project in Birmingham. The Senior M&E Project Engineer is responsible for the end-to-end technical delivery of Mechanical, Electrical, and Public Health (MEP) systems within a rail environment. You will bridge the gap between design and construction, ensuring that all M&E services are installed, tested, and commissioned safely, on time, and in full compliance with rail industry standards. Candidate Responsibilities: Manage the technical interface between M&E design teams and site-based installation teams. Act as the CRE (Contractor's Responsible Engineer) for M&E where required, signing off on technical designs and site changes. Review and approve Work Package Plans (WPPs) and Task Briefing Sheets (TBS). Ensure all installations adhere to Network Rail standards Lead...
IR35 Status:
Unknown Status

CV-Library Birmingham, West Midlands Contractor
CL
May 24, 2026  
Senior Mechanical Design Engineer
Our client is a well-established, multi-disciplinary engineering and project consultancy operating across the built environment in England. The organisation delivers technically robust mechanical design and advisory services across a varied portfolio of complex projects, primarily within regulated and public-sector environments. Known for its collaborative culture and strong commitment to professional development, the business offers a supportive, long-term career path for experienced engineers seeking senior responsibility and influence. Senior Mechanical Design Engineer - Salary & Benefits Salary £70,000 - £85,000 (dependent on experience) Car Allowance Nest Pension Scheme 22 days annual leave, with discretionary Christmas shutdown Hybrid Working Discretionary annual bonus Bupa Private Healthcare/ Dental Cover Extensive APC / chartership support where relevant to the role Cycle to Work Scheme/ EV Scheme Early finish on the last Friday of every month Senior Mechanical...
IR35 Status:
Unknown Status

CV-Library Billericay, Essex Contractor
CL
May 24, 2026  
Senior Substation Secondary Design Engineer
Senior Substation Secondary (P&C) Design Engineer Locations: Glasgow, Leeds, Birmingham or Epsom Duration: 12 months initially Rate: Negotiable on experience Inside IR35 Are you ready to make a real impact in the energy sector? Our client, a leading organisation in power and energy solutions, is seeking a talented Senior Substation Secondary (P&C) Design Engineer to join their dynamic team. This is a fantastic opportunity to work on high-profile projects, supporting clients like National Grid and SSEN across the UK and internationally. What you'll be doing: * Lead technical delivery of protection and control (P&C) design packages for substation projects, from Front End Engineering Design (FEED) to Detailed Design. * Provide technical guidance on protection schemes, relay settings, coordination, and substation automation. * Ensure quality assurance and governance of all design outputs, including SLDs, wiring diagrams, I/O schedules, and control room layouts. *...
IR35 Status:
Inside IR35

CV-Library Glasgow, UK Contractor
CL
May 24, 2026  
Senior Design Engineer
Senior Design Engineer (Contract) Location: Peterborough (100% On-site) Pay Rate: £30-35 per hour Duration: 24 Months (Likely to extend) Working Hours: Mon-Thu (08:30-16:45), Fri (08:30-16:15) The Opportunity Our client, a global leader in the Industrial Power Systems sector, is seeking an experienced Design Engineer to join their Base Engine Team in Peterborough. This is a high-impact role focused on "clean-sheet" design work, developing brand-new products and innovative green energy solutions for new markets. Your Role You will be responsible for designing and packaging complex engine components from the ground up. This role involves taking ownership of challenging requirements within New Product Introduction (NPI) projects, ensuring all designs meet functional, durability, and manufacturing standards. Key Responsibilities Design & Packaging: Create complex geometry for engine components including major castings (aluminum and cast iron), geartrains, valvetrains, and...
IR35 Status:
Unknown Status

CV-Library Peterborough, Cambridgeshire Contractor
CL
May 24, 2026  
Commissioning Technician/NDH (SAP) - Substation Project
Job Title: NDH / Commissioning Technician (LV Systems) - National Grid Substation Location: Alyth Substation, Scotland, PH11 8DX Start Date: ASAP Duration: 10 months Rate: £55-60/hour DOE Hours: 45-50 Hours Per Week Contract Type: Contract Looking for a Commissioning Tech to act as a Senior Authorised Person (SAP) / Nominated Designated Holder (NDH) who can take ownership of LV electrical safety on a live National Grid substation project. This is a key position acting as NDH, managing LV systems within a HV environment. This is ideal for someone with strong substation experience and confidence operating at that level. The Role: We are currently seeking an experienced NDH / Commissioning Technician to take responsibility for LV electrical safety systems on a major National Grid substation project. This role sits at the intersection of commissioning and electrical safety, with responsibility for managing LV systems within a live HV environment. It is ideally suited to a...
IR35 Status:
Unknown Status

CV-Library Alyth, Perth & Kinross Contractor
CL
May 24, 2026  
Site Engineer
My client is a leading RC and groundworks sub-contractor in the Residental sector. We are currently recruiting a Site Engineer to complete a 12 month contract. You will be required to set out rc frame/groundworks. Senior Engineer Responsibilities: * Reporting and working with the Project Manager and foreman * Managing QA and complete AS built Surveys. * Site set up and compliance with health and safety * ordering materials Site Engineer Requirements: * CSCS card. * SMSTS or SSSTS – Desirable, not essential. * 3-5 years minimum experience working with ground works contractors * degree qualified * Experience in using Leica – robotic. The Next Steps: To apply for the role as a Site Engineer, click on the apply now button below and submit your CV or call the office
IR35 Status:
Unknown Status

CV-Library EN10, Wormley, Hertfordshire Contractor
CL
May 24, 2026  
Site Engineer
My client is a leading civil engineering contractor who are looking to onboard an engineer to complete a groundworks and steel frame package for an industrial park that's being developed in the West London Area. The scope of works will include drainage, roads, kerbs, holding down bolts, and steel works. Site engineer responsibilities: • setting out on groundwork and steel frame package • Reporting to senior engineer and project manager • QA • Completing As - built surveys ,Raising design issues • RFI's Site engineer requirements • Valid CSCS card • Civil engineering degree or time served • SMSTS or SSSTS (Desirable not essential) • Laptop and AutoCAD If this role sounds of interest please apply below
IR35 Status:
Unknown Status

CV-Library TW14, Feltham, Greater London Contractor
CL
May 24, 2026  
Senior Engineer
Gortmore are working with a leading contractor who are looking for a Senior Engineer on a high-Profile Infrastructure Project in the Devon area. The candidate must: * Have Previous experience working on Civil’s projects working on Earthworks, drainage, service/ductwork installation, RC Concrete. * Must be competent in ordering Material and Rebar. * Must have previous experience working with designers. * Monitoring, manage, distribute project information to site Engineer’s and ensure accurate setting out and dimensional control is being carried out. * Ensure the works are constructed to latest design and agreed Specification. * Ensure Project QA is being carried out and site diary is maintained. * Must be competent in Auto Cad, reading drawings, Cut & Fill’s, and quantifying/ordering materials such as Concrete, rebar, drainage/earthworks materials etc. * Carry out ITP’s, KPI’s, RFI’s, etc. * Must be competent in Auto Cad and reading drawings. *...
IR35 Status:
Unknown Status

CV-Library EX20, North Tawton, Devon Contractor
CL
May 24, 2026  
Senior Civil Design Engineer
Senior Civil Design Engineer Remote (UK) | Contract | Outside IR35 Role Overview Our client is seeking a Senior Civil Design Engineer to support the delivery of water and wastewater design projects. This is a technical, project‑focused role working closely with Principal Engineers, Design Managers and multidisciplinary teams to deliver safe, compliant and high‑quality designs. You may also provide technical oversight and mentoring to other engineers and contribute to engineering governance and best practice. Key Responsibilities Deliver robust civil engineering designs to a high standard within the water and wastewater sector Collaborate with multidisciplinary design teams to ensure seamless integration across all disciplines Provide technical guidance and review of design outputs, calculations and reports Support design assurance, governance and compliance with health, safety and quality management systems Contribute technical input to procurement and supply‑chain...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
May 24, 2026  
Marine Design Engineer
Marine Designer - Contract (6 Months) Surrey | £52 per hour | Outside IR35 | Hybrid (3 days office / 2 days remote) RHL Recruitment, working with a leading oil and gas EPC contractor, who are seeking two experienced Senior Marine Designers to join a high-profile offshore project, on an initial 6-month contract. This is an exciting opportunity to play a key role within a dynamic Marine Team, supporting the delivery of complex offshore design scopes while coordinating with multidisciplinary teams across global offices. The Role As a Marine Designer, you will: Support and lead within the Marine Team, working on a Saudi Aramco project. Liaise closely with other engineering disciplines, clients, and vendors Coordinate with global project teams to deliver work within agreed timelines and budgets Provide technical guidance and mentor Junior designers Manage and oversee remote design teams Develop project-specific job notes, guides, and training materials to ensure consistent...
IR35 Status:
Outside IR35

CV-Library Surrey, UK Contractor
CL
May 24, 2026  
Senior Safety Engineer
Senior Safety Engineer Must be UK Sole National Location: London Rate: Up to £90 per hour (Outside IR35) Contract Length: 6-12 Months Sole UK National Required The Opportunity This is more than just a contract role - it's an opportunity to support the safety and assurance of complex, mission-critical systems within the UK defence sector. As a Senior Safety Engineer, you will play a key role in supporting the safety lifecycle of advanced engineering systems, ensuring robust safety processes are embedded from concept through to delivery and in-service support. Working within a specialist engineering team, you will collaborate across multiple disciplines to influence design decisions, mitigate risk, and help deliver safe, reliable solutions across high-profile defence programmes. This role would suit an experienced engineer looking to apply their expertise within a technically challenging and highly regulated environment. What You Will Be Doing Delivering safety engineering...
IR35 Status:
Outside IR35

CV-Library City of London, London Contractor
CL
May 24, 2026  
Senior Project Controls
Senior Project Controls Engineer (Planning & Estimating) Location: Bridgwater – Hybrid (3 days onsite / 2 WFH) Day Rate: £525 - £575 (Inside IR35) Engagement: Ongoing contract The Opportunity Join a major UK infrastructure programme delivering one of the most significant energy projects in the country. This role sits within an Integrated Project Controls team, acting as a centre of excellence for planning, forecasting, and performance insight. You’ll play a key role in ensuring accurate, data-driven decision-making across complex, high-value work packages. What You’ll Be Doing * Develop and maintain integrated project schedules (Primavera P6) * Produce and manage forecasts aligned to WBS/CBS structures * Analyse cost and schedule performance (EVM – CPI, SPI, EAC, ETC) * Support structured reporting cycles, providing clear and insightful commentary * Work closely with project teams and contractors to track progress, risks, and performance * Identify and...
IR35 Status:
Inside IR35

CV-Library Bridgwater, Somerset Contractor
CL
May 24, 2026  
Senior Automation Engineers (Contractors) ABB 800XA
Senior Automation Engineers (ABB 800xA DCS) Denmark - Multiple CONTRACT Vacancies Long Term Projects (2-years, with more work very likely) Pharmaceuticals/API/Biotechnology - transferrable manufacturing experience considered ! IF you have 5 years' experience of working on ABB 800xA DCS automation projects ... we want to hear from you. We can work on a rate that makes this attractive. Smart4Sciences will manage all the administration and compliance with subnational tax legislation. We will also help you through the process of locating yourself in the area.Benefit of Joining this Project Join a global automation team delivering high-value engineering solutions on major industrial programmes across Denmark. You will play a key role in large-scale ABB 800xA DCS installations, upgrades, commissioning, and optimisation within a highly professional and safety-focused environment. This is an opportunity to: Work on technically challenging, high-impact automation projects...
IR35 Status:
Unknown Status

CV-Library United Kingdom Contractor
CL
May 24, 2026  
Senior Engineer - Temporary Works / Steel Frame & Envelope
Senior Engineer - Temporary Works / Steel Frame & Envelope Location: Suffolk Rate: Up to £380 per day (CIS) Contract Type: Freelance / Contract Sector: Renewable Energy / Civil Engineering Employer: Tier 1 Contractor We are currently recruiting for Senior Engineers to join a Tier 1 contractor delivering a major UK renewable energy infrastructure scheme. We have two key opportunities available on a large-scale onshore development supporting a nationally significant offshore wind project: Temporary Works Coordinator (TWC) Steel Frame & Building EnvelopeBoth roles offer the chance to work on a high-profile, technically complex project with long-term prospects. Role 1: Senior Engineer - Temporary Works Coordinator (TWC) You will take ownership of all temporary works on site, ensuring designs, coordination, and implementation are managed safely and in line with procedures. Key Responsibilities: Acting as Temporary Works Coordinator in line with BS5975 Managing the...
IR35 Status:
Unknown Status

CV-Library Suffolk, UK Contractor
CL
May 23, 2026  
Sub Agent
Sub Agent – Civil Engineering / Infrastructure We are currently recruiting for an experienced Sub Agent to support the successful delivery of civil engineering works on a busy site. This is a fantastic opportunity for someone looking to step up or further develop their career within a well-structured project environment. Working closely with the Site Agent and Project Manager, you will play a key role in ensuring works are delivered safely, efficiently, and in line with programme and compliance standards. Key Responsibilities * Support the Site Agent with RAMS reviews, ensuring all works are carried out in full compliance * Deliver site inductions for operatives, supervisors, and visitors, ensuring all competencies and medicals are valid * Lead daily briefings and maintain clear communication with the workforce * Maintain accurate site diaries, including labour, plant, and materials records * Conduct H&S inspections and audits, identifying risks and supporting...
IR35 Status:
Unknown Status

CV-Library PE1, Peterborough, Cambridgeshire Contractor
CL
May 23, 2026  
Junior Network Engineer - SC Cleared
Job Title: Junior Network Engineer Location: Portsmouth (On-site) Contract Duration: Immediate start - End of July (initially) Day Rate: £350 - £400 per day Inside IR35 Security Clearance: Must hold active MOD SC clearance Eligibility: UK Nationals only Overview We are seeking a Junior Network Engineer to join a project based in Portsmouth, supporting network infrastructure operations within a secure environment. This is an on-site role requiring immediate availability, with the potential for extension beyond the initial contract period. Key Responsibilities Support the configuration, maintenance, and troubleshooting of network infrastructure Work with secure systems in line with MOD standards and procedures Assist in firewall and network monitoring activities Participate in planned network changes, upgrades, and weekend exercises where required Provide support during shift rotations as needed Collaborate with senior engineers and wider technical teams Required Skills...
IR35 Status:
Inside IR35

CV-Library Portsmouth, Hampshire Contractor
CL
May 23, 2026  
Site Engineer
Description We have an exciting opportunity for you to join a highly skilled team delivering a project in the South West of Edinburgh. As a Site Engineer, you will support the technical delivery of these RC frame and groundworks projects. You will have a flair for technical complexity and detail, with a core motivation to engage with, innovate and inspire the teams around you. As an integral part of the operations team, your role will be key to the successful delivery of this project. Careys Engineers, work as part of a team interpreting engineering information and conveying this to the workforce, to ensure delivery of the project to programme and budget.  What you will be doing: Health and Safety, Environment and Sustainability: Basic understanding of HSES regulations and good practice and ability to communicate to others Participates in delivering project Health, Safety, Environmental and Sustainability targets Project and Team Management: Mentors/coaches Graduate, Assistant...
IR35 Status:
Unknown Status

CV-Library Edinburgh, United Kingdom Contractor
CL
May 23, 2026  
Mechanical Engineer
Job Title: Intermediate/Senior Mechanical Engineer - 12 Month Contract or Permanent Location: Mostly remote (occasional travel to London) Contract Rate: £45-£53 per hour outside IR35 or Permanent Salary: £50-£60k About the Role: We are seeking an experienced Mechanical Engineer to join a dynamic team focused on innovative engineering solutions in the water and environmental sector. This role offers the flexibility of primarily remote work, with occasional visits to the London office, and provides the opportunity to work on cutting-edge projects in a collaborative environment. Key Responsibilities: Design, develop, and optimise mechanical systems and components. Prepare detailed engineering drawings, specifications, and documentation. Work closely with project teams to deliver solutions from concept through to installation and commissioning. Support project planning, risk assessment, and troubleshooting mechanical issues. Ensure compliance with relevant industry standards,...
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