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 174 Outside IR35 50 Inside IR35 48
Refine by Categories
Engineering 166 Construction 46 Information Technology 36 Management 6 Other 5 Automotive 4
Manufacturing 3 Accounting 1 Customer Service 1 Education 1 Finance 1 Media-Journalism 1 Telecommunications 1 Transportation 1
More
Refine by Job Type
Contractor 272
senior engineer

272 senior engineer jobs found

CL
Dec 28, 2025  
Senior Engineer
Senior Engineer – RC Frame & Groundworks Location: Birmingham Start Date: ASAP Contract Length: Approx. 1.5 Years Rate: £325 -£350/day based on the experience. We are currently seeking an experienced Senior Engineer to join an RC Frame contractor in Birmingham. This role is due to start immediately and will involve a combination of earthworks and reinforced concrete works. Key Responsibilities * Manage Site Engineers / Setting Out Engineers. * Provide site engineers with the latest up-to-date information. * Ensure all works are carried out using the most recent AFC (Approved for Construction) drawings. * Ensure all QA inspections are completed on time and that appropriate documentation is maintained. * Ensure engineers carry out all as-built surveys accurately and on schedule. * Call off materials and concrete as required. * Call off reinforcement when necessary. * Raise RFIs, TQs, and NCRs as needed. * Produce accurate daily site diaries....
IR35 Status:
Unknown Status

CV-Library Birmingham, West Midlands (County) Contractor
CL
Dec 26, 2025  
Senior Engineer
We are seeking an experienced Senior Engineer to support a major earthworks package on a key infrastructure project based in Newcastle. This is a long-term 12-month contract with an immediate requirement for a start on 5 January. Role Overview The successful candidate will lead engineering activities across a complex earthworks scope, ensuring works are delivered safely, efficiently, and to the required technical standards. You will work closely with site teams, subcontractors, and project management to drive progress and maintain quality throughout the construction cycle. Key Responsibilities * Manage and oversee all engineering aspects of the earthworks package * Produce and review method statements, risk assessments, and quality documentation * Ensure compliance with design specifications and project requirements * Monitor site progress, resolving technical issues and supporting delivery teams * Liaise with stakeholders, design...
IR35 Status:
Unknown Status

CV-Library Newcastle upon Tyne, Tyne & Wear Contractor
CL
Dec 26, 2025  
Senior Engineer - Flexible Piping
Senior Engineer - Flexible Pipe Location: Basingstoke, UK About the Role We have an opportunity for Flexible Pipe Engineer to play a pivotal role in delivering worldwide offshore deep-water projects. Based in Basingstoke, you will join our clients Subsea Systems team and contribute to the full lifecycle of unbonded flexible pipe systems-from feasibility studies and FEED to execution and commissioning. This is an opportunity to shape innovative subsea solutions that support global energy initiatives. Key Responsibilities As Senior Engineer, you will: * Develop and deliver technical documentation across all project phases (Conceptual, FEED, Tender, Contract). * Oversee large EPCI contracts for offshore flexible pipe systems, ensuring compliance and quality during tender and execution. * Guarantee designs meet project requirements, international codes, and industry best practices. * Lead supplier engagement, including tender calls, qualification, and selection processes. *...
IR35 Status:
Unknown Status

CV-Library Basingstoke, Hampshire Contractor
CL
Oct 19, 2025  
Senior Network Engineer
Senior Network Engineer (Nexus VXLAN essential) (Remote UK based workers only) Certain Advantage are recruiting on behalf of our global client for Senior Network Engineers with demonstrable experience in the full lifecycle i.e. requirement gathering, HLD, LLD, End Of Life, configs, and deployment. We’re also looking for Senior Engineers who can offer expertise in the design and deployment of LAN / WLAN covering (one or more):   Aruba WLAN, Infoblox DDIA F5 load balancing As the Senior Network Engineer you’ll be expected to be a Subject Matter Expert (SME) covering the application of telecoms and network technology deployed across the Group, covering all businesses and locations (offices, onshore & offshore plants, etc) and various types of projects including capex and IT projects. You’ll participate in larger project or lead smaller projects and deliver the network elements in the project. The network engineer will be the key person in the project for all telecom and network...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Dec 28, 2025  
Senior Electronics Engineer
Contract Opportunity - Senior Electronics Engineer Rochdale (hybrid working) Rate negotiable (Umbrella, inside IR35) Must be eligible for SC security clearance, can start on BPSS We are supporting a leading global engineering and manufacturing organisation based in Rochdale as they seek to bring in Principal Electronics Engineer on a contract basis. The company specialises in advanced electronics and power solutions for the aerospace, defence, land and maritime sectors, delivering high-reliability systems for some of the world's most demanding environments. The Role As a Senior/Principal Electronics Engineer, you will take technical ownership of complex power conversion and power management product development. You'll lead design activities, create high-quality documentation, develop simulations, and support qualification testing - ensuring that products meet strict aerospace and defence standards. You'll also mentor junior engineers and contribute to growing new business...
IR35 Status:
Inside IR35

CV-Library Rochdale, Greater Manchester Contractor
CL
Dec 28, 2025  
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
Dec 28, 2025  
Senior Electrical Design Engineer
We are working with a leader in the hyper scale global data centre space -their portfolio includes hyperscale facilities for global tech giants, multi-megawatt data halls, and cutting-edge colocation sites. This is an opportunity to work with a team that sets the benchmark for technical excellence and innovation in the data centre sector. The data centres are at stage two and three so a good time to become involved. The position is as a Senior or Principal Electrical Engineer, you will play a key role in designing and delivering complex electrical systems for large-scale data centres collaborating with multidisciplinary teams to ensure resilient, high-performance solutions for some of the most advanced facilities in the industry. What you'll need to succeed Strong experience in HV, LV, generators, and UPS systems, or a willingness to learn and develop in these areas. Proven background in electrical design within building services. Ability to manage projects and mentor...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Dec 27, 2025  
Senior Electrical Design Engineer
Senior Electrical Consulting Engineer - Water, Energy & Infrastructure (12-Month Contract) Location: Hybrid (UK-wide) Employment Type: Contract (Minimum 12 Months) Sector: Energy, Water & Infrastructure About the Role An independent, employee-owned engineering consultancy is seeking a Senior Electrical Consulting Engineer for a minimum 12-month contract. This hybrid role offers flexibility to work remotely and from regional offices across the UK, with occasional travel to client sites. You'll be part of a multidisciplinary team delivering complex infrastructure projects across the UK and internationally, with a focus on energy transition, water systems, and sustainable development. Key Responsibilities - Lead and support electrical engineering design and delivery across transmission and distribution systems. - Prepare technical specifications, concept designs, and feasibility studies. - Provide technical advisory and due diligence support on major...
IR35 Status:
Unknown Status

CV-Library Birmingham, UK Contractor
CL
Dec 27, 2025  
Senior Mechanical Engineer
Senior Mechanical Engineer - Water Infrastructure (12-Month Contract) Location: Hybrid Working Across UK Sector: Water & Environmental Engineering Employment Type: Contract (12 Months) Salary: Day rate About the Role A respected UK-based engineering consultancy is seeking a Senior Mechanical Engineer for a 12-month contract to support the delivery of water infrastructure projects across the UK. This hybrid role offers flexibility to work from offices in Manchester, Leeds, or Chester, with travel to project sites as required. You'll be involved in the design and implementation of mechanical systems for clean water, wastewater, and sludge treatment facilities, contributing to sustainable engineering solutions within the UK water industry. Key Responsibilities - Lead mechanical design for water and wastewater treatment facilities. - Collaborate with multidisciplinary teams to deliver high-quality engineering solutions. - Coordinate with suppliers and...
IR35 Status:
Unknown Status

CV-Library Birmingham, UK Contractor
CL
Dec 27, 2025  
Senior Civil Design Engineer
Senior Civil Engineer - Water Infrastructure Location: Manchester or Leeds, UK (Hybrid Working) 12 months contract minimum, 5 days weekly, Hybrid Are you an experienced civil engineer looking to make a real impact in the water sector? Join a leading engineering consultancy and help deliver innovative, sustainable solutions for water and wastewater infrastructure projects. About the Role As a Senior Civil Engineer, you'll play a key part in the planning, design, and delivery of complex water sector projects. You'll work alongside multidisciplinary teams, mentor junior engineers, and help create resilient water systems that benefit communities and the environment. Key Responsibilities - Lead and contribute to the design and implementation of water and wastewater treatment projects - Conduct feasibility studies, technical assessments, and data analysis - Provide technical guidance and mentorship to junior team members - Collaborate with clients, contractors, and...
IR35 Status:
Unknown Status

CV-Library Manchester, UK Contractor
CL
Dec 27, 2025  
Senior Electrical Engineer
Are you a Senior Electrical Engineer with a passion for Building Services? This is an opportunity to join a leading consultancy with projects across the UK and worldwide, working on complex, multidisciplinary schemes that will keep you challenged and engaged. Contract Details ·Long-term contract position ·Inside IR35 Why Join This Team? ·Work with an established, multinational consultancy ·Involvement in a variety of high-profile projects across multiple sectors ·Collaborative, high-performing team environment ·Opportunity to contribute to flagship building services schemes Key Responsibilities ·Lead the design and specification of electrical building services systems ·Prepare clear, detailed technical specifications and documentation ·Undertake site surveys and inspections as required ·Collaborate closely with the BIM team and wider multidisciplinary design teams What They Are Looking For ·Degree-qualified Electrical Engineer at senior level or above ·Strong...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Dec 27, 2025  
Senior Civil Structural Engineer
Senior Civil & Structural Engineer (Water Sector) Location: Manchester (Hybrid Working) Rate: £50–£55 per hour Ltd (subject to IR35 assessment) Duration: 12 months + Hours: 40 hours per week, Monday–Friday Role Overview We are seeking a highly skilled Senior Civil & Structural Engineer to join a multi-disciplinary design team delivering major projects within the water sector. The role involves leading and producing civil and structural design deliverables, ensuring technical excellence, and providing guidance to junior engineers. The successful candidate will be confident liaising directly with clients, contributing to design reviews, and coordinating effectively with BIM and wider engineering teams. Key Responsibilities Design & Engineering Delivery * Produce and verify civil and structural analysis, calculations, reports, and specifications for water-sector infrastructure. * Develop effective design solutions and communicate these clearly to BIM/Revit teams for...
IR35 Status:
Unknown Status

CV-Library M22, Wythenshawe, Manchester Contractor
CL
Dec 26, 2025  
Senior Civil Engineer - Temporary Works
Do you have Chartered Engineer status (ICE or IStructE) and at least 5 years’ experience in Temporary Works design? Can you confidently lead and communicate complex civil and structural designs to BIM teams and clients? The Opportunity Are you an experienced Civil or Structural Engineer looking for a high-impact contract role? We’re seeking a Senior C&S Temporary Works Engineer to join a multi-disciplinary team delivering complex civil and structural designs for major infrastructure projects. This is an Outside IR35 contract with remote working flexibility, giving you the freedom to work from home while contributing to nationally significant projects. Your duties and responsibilities will be: * Deliver civil and structural analysis, calculations, reports, and specifications. * Communicate designs effectively to BIM teams and collaborate with other disciplines and construction teams. * Attend occasional site visits, design reviews, and client meetings. * Support and...
IR35 Status:
Outside IR35

CV-Library M22, Wythenshawe, Manchester Contractor
CL
Dec 26, 2025  
Senior Electrical Design Engineer
Role:                 Senior Electrical Design Engineer Location:           Southwark, London   Duration:           3 Months IR35 Status:      Outside IR35 Start Date:         Immediate An established consultancy near Southwark, London is urgently seeking an immediately available Senior Electrical Design Engineer for a 3-month contract, with a strong likelihood of extension. The successful candidate will have a proven track record in hotel and residential projects, strong design ownership capabilities, and a commitment to delivering high-quality work. This is a hybrid position, requiring attendance at the office four days per week. Key Requirements: •            Experienced in electrical design on hotel, residential or mixed use development projects •            Strong project design and management experience •            Proven ability to coordinate designs with other stakeholders and disciplines •            Broad knowledge of electrical systems, including: o...
IR35 Status:
Outside IR35

CV-Library City of London, London, UK Contractor
CL
Dec 26, 2025  
Senior Electrical Design Engineer
Your New Company Hays Building Services are pleased to be assisting a consultancy in Bristol in the recruitment of a Senior Electrical Engineer to join their busy team. Your New Role You will work across multiple sectors, including residential, commercial, education, healthcare, transportation, defence, and energy, designing all Electrical Building Services systems such as power, lighting, telecoms, security, access control, lifts, lightning protection etc. You will carry out detailed calculations using industry-standard software, prepare technical specifications, collaborate with the BIM team as well as conduct site surveys, inspections and monitor site works. What You'll Need To Succeed You will have strong electrical design experience within a building services consultancy or contractor, ideally be a chartered engineer with CIBSE or IET as well as be able to take charge of project deliverables, make decisions, act on your own initiative and operate in a proactive way....
IR35 Status:
Unknown Status

CV-Library Bristol, UK Contractor
CL
Dec 26, 2025  
Senior Software Development Engineer (SDE3) – Java/API/Backend
Senior Software Development Engineer (SDE3) – Java/API/Backend Location: Welwyn Garden City, UK (Hybrid, 2–3 days onsite) Contract: 6 months, with possible extension Overview This role supports the development of a next-generation, scalable, and resilient Fulfilment Platform powering both manual and robotic warehouse operations across multiple product categories. You will join a global Java-focused engineering team working with modern microservices, event-driven architecture, cloud technologies, and a strong DevOps culture. Key Responsibilities * Design & Development: Architect, build, and enhance high-performance Java-based backend applications for new fulfilment capabilities. * System Optimisation: Improve scalability, efficiency, and reliability of mission-critical systems in collaboration with cross-functional teams. * API & Microservices Integration: Develop robust APIs and microservices integrating with enterprise and third-party systems....
IR35 Status:
Unknown Status

CV-Library Welwyn Garden City, Hertfordshire Contractor
CL
Dec 26, 2025  
Senior Embedded Firmware Engineer
Senior Embedded Firmware Engineer - Contract Location: Limerick, Ireland (Hybrid - 4 days onsite) Contract: 6 months (potential extension) Rate: Competitive About the Role We are seeking a Senior Embedded Firmware Engineer to join a team developing advanced medical device technology. This role focuses on embedded firmware development, secure systems, and hardware integration in a regulated environment. If you have strong C/C++ programming skills, experience with microcontrollers, and knowledge of medical device compliance, this is your opportunity to make an impact. Key Responsibilities Develop embedded firmware in C/C++ for 8/16/32-bit microcontrollers (Atmel, TI, ST). Design and implement secure bootloaders and robust software architecture. Integrate hardware interfaces (RS232, RS485, SPI, I2C) and peripherals (RTC, LCD, EEPROM, micro-SD). Perform unit and integration testing using automation and static code analysis tools. Debug hardware using oscilloscopes and logic...
IR35 Status:
Unknown Status

CV-Library United Kingdom Contractor
CL
Dec 26, 2025  
Senior RF Engineer
Senior RF Electronics Engineer Location: Just outside Cambridge Salary: £65,000 to £75,000 Hybrid working available Must be a sole British national and eligible for security clearance About the Opportunity If you want to work on genuinely cutting-edge technology, this role offers the chance to contribute to advanced robotic systems, autonomous drone sensors, mobile radio networks, emergency-service communication tools and even airborne or space-based radar projects. Every assignment is different, and the environment suits engineers who enjoy variety, innovation and meaningful technical challenge. You will join a team that is driven by engineering curiosity and problem solving. No two projects are the same, and you will be encouraged to explore new ideas, learn new skills and see concepts evolve into operational systems. The Role As a Senior RF Electronics Engineer, you will take a key technical role in the design, build and test of new RF systems and products. You will work...
IR35 Status:
Unknown Status

CV-Library Saffron Walden, Essex Contractor
CL
Dec 26, 2025  
Mechanical/Senior Mechanical Design Engineer
Our client, a leading firm specialising in the water sector, is currently seeking both Mechanical Design Engineers and Senior Mechanical Design Engineers to join their dynamic team on a contract basis. This role offers hybrid working opportunities and is based out of their Manchester office. Our client is especially interested in candidates with UK Water experience, but those from other regulated industries will also be considered. This is an exciting opportunity to engage in long-term projects across AMP8. Key Responsibilities: Design and development of mechanical components and systems for water sector projects Creation of detailed mechanical designs and specifications Collaborating with other engineering disciplines to ensure project success Conducting analysis and simulation to verify design integrity Reviewing and approving mechanical designs and documentation Providing technical guidance and mentorship to junior engineers Ensuring compliance with relevant industry standards...
IR35 Status:
Unknown Status

CV-Library Manchester, Greater Manchester Contractor
CL
Dec 26, 2025  
Senior Structural Engineer
Contract Senior Structural Design Engineer Central London Start ASAP Outside IR35 £45-46 p/h Contract Senior Structural Engineer A leading architecturally led Civil and Structural Engineering firm in Central London is currently looking for hire 2 Contract Senior Structural Engineers to ideally start in January 2026. Due to a number of significant wins our client is looking find Senior Structural Engineers with a minim of 8-10 years design experience. The successful candidates will be able to design proficiently in all main materials with first class ability to design in steel and RC. Project span residential, commercial, healthcare and educational sectors and cover both new build refurb projects. Projects are typically in the £10-50m value range. Hybrid working can be offered. An hourly rate of c £45-46 p/h can be offered with an Outside IR35 capacity. For more information on this opportunity please get in touch with Nick Rothery at Energi People
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
© 2008-2025 Powered by SmartJobBoard Job Board Software