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 Categories
Engineering 10 Construction 4 Information Technology 2 Other 2 Media-Journalism 1
Refine by Job Type
Contractor 22
Outside IR35 Reading site engineer

22 site engineer jobs found in Reading

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 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
Mar 21, 2026  
Juniper Network Engineer
Juniper Network Engineer initial 6 month contract - £575 - £650 a day - outside IR35 Fully onsite role based - Newbury - (9-day fortnight, every other Friday off) Active DV Clearance is essential We are seeking an experienced Contract Juniper Network Engineer to design, implement, and support enterprise-grade LAN/WAN/WLAN environments. The successful candidate will play a key role in delivering secure, highly available, and scalable network solutions leveraging Juniper technologies, with integration into cloud platforms such as Amazon Web Services (AWS) and Microsoft Azure. Key Responsibilities Design and implement enterprise LAN/WAN/WLAN networks using Juniper technologies Plan and deploy high-availability, resilient, and scalable network architectures Integrate on-premise infrastructure with cloud platforms (AWS, Azure) Configure and manage Juniper routers, switches, and firewalls Implement and administer network security solutions Provide advanced troubleshooting and...
IR35 Status:
Outside IR35

CV-Library Newbury, Berkshire Contractor
CL
Mar 21, 2026  
Mechanical Maintenance Engineer
Mechanical Maintenance Engineer Location: Thatcham Contract: 3-Month Rolling Contract Shifts: Panama Shifts – 12hr Days & Nights Rate: £33–£35p/h – Outside IR35 The Role We’re seeking a skilled Mechanical Maintenance Engineer to join a busy industrial site on a 3-month rolling contract. You’ll be responsible for ensuring all machinery runs smoothly and efficiently. Key Responsibilities: Reactive maintenance and fault-finding on production machinery Planned preventative maintenance (PPM) Component swaps and repairs on conveyors, cranes, cookers, slicers, pallets, and other equipment Ideal Candidate: Strong mechanical maintenance experience in industrial/manufacturing environments Recognised mechanical engineering qualification (Apprenticeship or Level 3 NVQ/equivalent) Excellent fault-finding and repair skills across mechanical components Completed mechanical apprenticeship (preferred) What’s on Offer: 3-month rolling contract Consistent Panama shift pattern (days...
IR35 Status:
Outside IR35

CV-Library Newbury, UK Contractor
CL
Mar 15, 2026  
Senior Civil Design Engineer
Job Title: Civil Engineer - Water Rate: £35 to £45 per hour (Outside IR35) Location: Slough Type: Contract | Outside IR35 | Hybrid working About the Role: Our client is seeking an experienced Civil Engineer with strong UK water sector experience to support the delivery of complex infrastructure and non-infrastructure projects. This is a contract opportunity operating outside IR35, offering long-term project stability and hybrid working. You will provide hands-on technical expertise across the full project lifecycle, supporting design, coordination, and delivery on critical water industry schemes. About Our Client: Our client is a well-established UK engineering consultancy with a strong presence in the water sector. They are recognised for delivering technically robust, sustainable solutions and for working collaboratively with contractors, clients, and stakeholders across major programmes. Key Responsibilities: Project Delivery Support and deliver water sector projects...
IR35 Status:
Outside IR35

CV-Library Slough, Berkshire Contractor
CL
Mar 15, 2026  
DV Cleared DevSecOps Platform Architect & Engineer
DV Cleared DevSecOps Platform Architect & Engineer Location: Hampshire Security Clearance: Active DV Clearance Required Rate/Salary: £650 to £750 per day - Outside IR35 + Long term engagement Overview We're looking for a DV Cleared DevSecOps Platform Architect & Engineer to join a high-profile, secure military IT programme, delivering highly resilient, automated, and secure data platforms. This role sits at the intersection of DevSecOps, platform engineering, cloud infrastructure, and secure data systems, supporting advanced research and large-scale data analysis in a mission-critical environment. If you enjoy building things that have to work first time, in places where failure is not an option, you'll feel right at home. Key Responsibilities Design, build, and maintain secure DevSecOps platforms supporting sensitive data workloads Architect and deliver automated CI/CD and GitOps pipelines for rapid, secure deployments Develop and manage secure cloud and hybrid...
IR35 Status:
Outside IR35

CV-Library Hampshire, UK Contractor
CL
Feb 22, 2026  
Manufacturing / Process Transfer Engineer
Manufacturing / Process Transfer Engineer Outside IR35 | Up to £45/hr | Contract to Dec 2026 Long-term Outside IR35 opportunity for an experienced Manufacturing / Process Transfer Engineer supporting a major equipment and process transfer within a high-tech manufacturing environment. Key highlights: * Maintain production output during site transfer * Lead equipment relocation, qualification & re-installation (IQ/OQ/PQ) * Support PFMEAs, work instructions & process documentation * Troubleshoot lasers, optics & precision assemblies * Work cross-functionally with R&D, Quality & Supply Chain Skills needed: * Manufacturing/Process Engineering background (laser, optics, photonics, precision assembly) * Strong hands-on problem solving (mechanical / optical / electro-mechanical) * Experience managing complex transfers under tight timelines Details: * Rate: Up to £45 per hour * IR35: Outside * Duration: Long-term (to end of 2026) 👉...
IR35 Status:
Outside IR35

CV-Library Hampshire, UK Contractor
CL
Mar 19, 2026  
Senior Engineer-Utilities-London
URGENT: Senior Engineer-North West London-£Freelance Rate OUTSIDE IR35 We are urgently looking for a Senior Engineer on a freelance basis for a top client of ours who are undertaking a major Gas Diversion scheme as part of the HS2 works in London. Based from their site you will be responsible for assisting with site paperwork (RAMS etc), overseeing site activities and Engineers on site, QA, Health & Safety and attending regular meetings. To be considered you will have a minimum of an HNC in Civil Engineering and have Utilities/diversion experience to your name with HS2 exposure also a great help. SMSTS, CSCS are both required as minimum. Excellent rate that is outside IR35 is on offer and immediate start with ongoing contract that will go well into 2027! It is a top role with a client we know well and can highly recommend! If interested, please send a copy of your CV to Dave Rowe by email or call Dave on (phone number removed) anytime
IR35 Status:
Outside IR35

CV-Library Camden, Greater London Contractor
CL
Mar 15, 2026  
Principal Temporary Works Engineer
Principal Temporary Works Engineer Contract: Long-term Location: Remote with required site/office visits Rate: Competitive Scope: Outside IR35 Overview Our client is a leading UK infrastructure delivery specialist, supporting major national programmes across transportation, energy, water, defence, and complex engineering environments. They are recognised for delivering high-integrity design and construction solutions on some of the country’s most critical and technically demanding projects. With a strong focus on safety, innovation, and sustainable delivery, they work in partnership with government and industry to modernise and maintain essential infrastructure. We are seeking a Principal Temporary Works Engineer to join a specialist design team on a long-term contract. You will lead temporary works engineering activities across a range of complex projects, ensuring safe, compliant, and efficient design solutions. This role requires strong technical leadership, design assurance...
IR35 Status:
Outside IR35

CV-Library Greater London, UK Contractor
CL
Mar 14, 2026  
Freelance AV Engineer - Own Van Required
Lead and Team Members Required Contract Outside IR35 Day and Night Shifts We are recruiting teams of Audio-Visual Engineers to support an ongoing programme of AV installation, upgrade and decommissioning work across multiple end clients. This work supports refresh and change programmes across retail, transport and commercial environments and will involve practical, hands-on AV installation and removal work carried out both during the day and out of hours. Assignments will vary by site and client and are offered on an ongoing, as and when basis. Key Responsibilities • Installing and removing AV equipment including screens, digital signage players, brackets and associated cabling • Supporting AV upgrade and refresh projects across live operational sites • Decommissioning existing AV hardware where required • Working independently or as part of a two-person team • Completing work during daytime and overnight shift windows depending on end client • Following RAMS, site...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Feb 14, 2026  
BMS Commissioning Engineering
BMS Commissioning Engineer, Tridium, Trend or Siemens Immediate start 4 - 6 month contract £300 - £360 per day Our client requires an accomplished BMS Commissioning Engineer with Tridium, Trend or Siemens Building Management Controls experience to join their team on either a project in London or a site in Hertforshire . There are several roles and projects currently available in: the City, East London and also in Hertfordshire, the best site would depend on your location and experience for each project. This is on a contract basis and will initially run for 4 to 6  months. To start immediately and is likely to be extended on a rolling basis.  This position could also be as the Lead Commissioning Engineer if you have the right experience and the rate would then reflect this. Key skills required:- Experienced in the Commissioning of Building Management Systems ( BMS ) Qualified and experienced with Tridium ,Trend or Siemens Control systems. CSCS Skill Card or equivalent is...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Feb 25, 2026  
Revit Technician (M&E)
Our client is a well-established engineering firm currently seeking to recruit several Revit Engineers/Technicians for a major M&E project within the North London area This is a long-term opportunity to contribute to a large-scale rail project. They are looking to bring on board around eight Revit Engineers/Technicians to support the ongoing works. This is an excellent opportunity to be part of a significant project, with the option to work on a hybrid basis. Details: * Day Rate £320 – 350 a day Outside IR35 * Payments: Weekly * Duration: 2 - 4 years worth of work * Hybrid Working: Looking for 3 days on site 2 days working from home * Start Date: ASAP What they are looking for? * Someone who has strong experience with Revit * A good understanding of M&E based design works * The ability to work both individually and as a team * The ability to work in a fast pace environment If this role seems of any interest, please feel free to call Adam on the details...
IR35 Status:
Outside IR35

CV-Library Harrow, Greater London Contractor
CL
Mar 20, 2026  
Data Modeler
Here's a clean job advert for you: Data Modeller | Banking | £450/day | Outside IR35 | Hybrid – London | 6-Month Contract Must have the right to work in the UK The Opportunity We're looking for an experienced Data Modeller to join a leading financial services organisation on a 6-month contract. This is an outside IR35 engagement offering a day rate of £450, with a hybrid working pattern based in London. The Role As a Data Modeller, you'll be embedded within a data and technology team, responsible for designing, developing, and maintaining logical and physical data models that underpin critical banking operations. You'll work closely with business analysts, data engineers, and architecture teams to ensure data structures are robust, scalable, and aligned with regulatory and business requirements. Key Responsibilities * Design and develop conceptual, logical, and physical data models across banking domains * Work with stakeholders to gather and translate business...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Mar 20, 2026  
Mechanical Engineer - Outside iR35 Contract
I am working with a client who specialises in water and waste water technologies and usually trades over seas. They are currently working on a massive waste water plant expansion programme in the Middle East, which depending on how the next rounds of bidding go, could need work for the next 5-10 years. The contract would run for 6 months initially, the budget is not fixed and would rather welcome the daily rate expectation attached to each profile they receive. The role can be performed remotely with occasional visits to the Middle East. Requirements: Mechanical engineering with waste management or water plant experience Solid process engineering experience Someone who has experience working with the Principal Contractor, not just client side Call me, Alex Manea, at NonStop Recruitment now for a confidential conversation. Contact me on (email address removed) or (phone number removed), please send your CV in word format OR if this does not sound like the opportunity for...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Feb 14, 2026  
BMS Service Engineer
We have a fantastic opportunity for a proficient BMS Service Engineer to join a well-established building controls business working on multiple contracts in London on a contract basis. This contract position offers an excellent hourly rate paid weekly ( outside IR35) Company Profile Our client is a household name in the world of BMS providing full turnkey solutions to the Building Energy Management sector since the late 90’s. With their wealth of expertise, they are able to secure projects of all size and type and deliver a best-in-class service from design all the way to end user handover. The Role of the BMS Service Engineer As a BMS Service Engineer you will be responsible for the pre-planned and reactive maintenance of Building Management Systems, predominantly across London. You will have in-depth knowledge of BMS (Building Management Systems) hardware including fault finding, wiring and networking. You will possess the knowledge and experience to be involved with small...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jan 21, 2026  
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 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
Nov 01, 2025  
MEP REVIT Technician
MEP REVIT Co-ordinator We have an immediately available position for an experienced MEP Biased Co-ordinator to join this thriving Consulting Engineers on an initial 4-6 Month contract The Revit Coordinator should be capable to coordinate the MEP services and confident to sit on BIM Coordination meetings The position is outside IR35 Your expert recruitment consultant is Trevor Parsons, call today on (phone number removed) or email (url removed) Eden Brown is committed to equality in the workplace and is an equal opportunity employer. Eden Brown is acting as an Employment Business in relation to this vacancy
IR35 Status:
Outside IR35

CV-Library City of London, London 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