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Outside IR35 senior engineer

47 senior engineer jobs found

CL
Apr 01, 2026  
Senior Engineer
Job Title: Senior Engineer Location: Corby Rate: £350-£400 per day (DOE) - Outside IR35 Start Date: ASAP Site Presence: 5 days per week (on site) Job Overview TRIbuild Solutions are currently seeking an experienced Senior Engineer to join a major commercial factory build project in Corby. This role is focused on delivering a large groundworks package, and we are looking for a proactive engineer who can take ownership of site engineering activities and support the successful delivery of the project. Key Responsibilities Overseeing all engineering aspects of the groundworks package Setting out for foundations, drainage, roads, and external works Managing and checking setting out and surveying activities Coordinating with the site management team, subcontractors, and designers Ensuring works are carried out in accordance with drawings and specifications Maintaining high standards of health & safety and site compliance Supporting project progress reporting and...
IR35 Status:
Outside IR35

CV-Library Corby, Northamptonshire Contractor
CL
Apr 03, 2026  
Senior / Principal Offshore Structural Engineer
Senior / Principal Offshore Structural Engineer Contract Status: Inside or Outside IR35 (flexible) Location: London (Hybrid) Duration: 4-6 months Start Date: ASAP Overview: We are seeking a Senior / Principal Offshore Structural Engineer to join a dynamic team in London, supporting multiple offshore oil and gas and energy transition projects. The team works on a range of projects, including greenfield developments, tie-back projects, and shallow water offshore structures. This role is aimed at strengthening the structural engineering capability within the London-based team. Key Responsibilities: - Support offshore structural engineering activities across concept select, FEED, detailed design, execution, and decommissioning phases. - Design metallic offshore structures, including fixed platforms and floating topsides. - Develop and run FEA structural models for offshore structures. - Design foundation systems including piles and mud mats. - Support greenfield...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 03, 2026  
Senior Civil Engineer
Senior Civil Design Engineer £38 to £55 per hr Outside IR35 Reading Hybrid working available Our client is an award winning multi disciplinary design consultancy who are based near Reading. The are looking to recruit a Civil Design Engineer who has experience of Drainage Design on a wide range of residential and commercial type projects. The right candidate will undertake tasks designing infrastructure for commercial, retail, residential and industrial sectors. Civil Engineer Job Overview • Design of infrastructure for commercial, retail, residential and industrial sectors including SUDS drainage systems, roads to adoptable & DMRB standards. • Liaison with statutory bodies such as Southern & Thames Water, Roads Department, local drainage authorities. • Attend design meetings, site meetings and carryout site inspections. • Liaise and communicate clearly in a professional manner to colleagues, clients, contractors and other designers and to offer advice and...
IR35 Status:
Outside IR35

CV-Library Reading, UK Contractor
CL
Apr 03, 2026  
Senior Civil Engineer
Infrastructure & Drainage 📍 Leeds 💷 £35–£45 per hour ✔ Outside IR35 📄 Rolling Contract THE ROLE • Residential infrastructure & drainage design • Foul & surface water design • Civil 3D / Site 3D • MicroDrainage / Causeway Flow / InfoDrainage • S104 • S38 • S278 approvals WHAT’S ON OFFER ✔ Immediate start ✔ Long-term contract potential ✔ Consistent residential workload
IR35 Status:
Outside IR35

CV-Library Leeds, UK Contractor
CL
Apr 03, 2026  
Senior Civil Engineer
Are you looking for your next contract role? This is a great role for a long-term contract with a well-known design consultancy in Bristol. This role is outside IR35 and offers some great benefits such as flexible and hybrid working. The role: Demonstrate good development of knowledge in civil engineering and development infrastructure. The successful candidate would be encouraged to develop skills in liaison with stakeholders, local authorities and highways officers. Report writing skills (FRA, drainage strategy, specification etc.) What you need to succeed: Experience in the use of MicroDrainage and / or InfoDrainage) and Civil 3D. Developing SuDS strategies for complex urban developments. The preparation of Flood Risk Assessments across all flood zones. The detailed design and specification of external hard landscaping pavement design. The detailed design of Section 38 and 278 highway works, beneficial but not essential. The design and negotiation of flood...
IR35 Status:
Outside IR35

CV-Library Bristol, UK Contractor
CL
Apr 03, 2026  
Senior Civil Engineer
Senior Civil Engineer – Residential Development Location: Central London (Hybrid) Contract: 12-24 month contract IR35 Status: Outside IR35 Rate: Circa £40–£47 per hour An established independent civil and infrastructure design consultancy is seeking an experienced Senior Civil Engineer to support the delivery of residential development projects across London and the South East. The role offers involvement in technically engaging schemes, a collaborative project team, and flexible hybrid working from a Central London office. The Role You will take responsibility for the civil infrastructure and drainage design on residential-led developments, supporting projects from planning through to technical approvals and delivery. Key responsibilities include: Detailed drainage and SuDS design Preparation of Flood Risk Assessments and surface water strategies Managing local authority and statutory submissions Delivery of Section 278 and Section 38 designs and approvals...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 01, 2026  
Senior Control Systems Engineer
Senior Control Systems Engineer Glasgow - hybrid (site visits required) £45-50 per hour Outside IR35 6 month initial Essential Skillset: 10+ years experience as a Control Systems / Controls Engineer Experience developing control logic and control system specifications Experience programming PLCs (Allen Bradley, GE, Siemens) Ability to produce wiring diagrams, I/O lists, loop drawings and cause & effect diagrams Knowledge of plant control systems including HMI, DCS and SIS Desirable Skillset: Knowledge of Fire & Gas (F&G), Emergency Shutdown (ESD) and Pressure Safety Device (PSD) systems Experience with installation and commissioning of control systems Understanding of international codes and standards (ISO, ISA, BS EN, API) Responsibilities: Manage and support engineering requirements within assigned project scope Deliver technical solutions that meet customer objectives Ensure all project deliverables are technically fit for purpose and compliant with...
IR35 Status:
Outside IR35

CV-Library Glasgow, UK Contractor
CL
Apr 01, 2026  
Senior Structural Engineer - Contract
Senior Structural Engineer - Contract London £350.00 per day (outside IR35) Our client is urgently seeking a senior structural engineer on a contract basis for their London office. You will be working for a contractor on data centre projects (experience is not vital) and will be managing projects. They are seeking a technically competent engineer who can work with autonomy and oversee projects from concept to completion. The role is purely office based in London. They need candidates who can start immediately who are seeking a long-term contract role. To learn more please send your CV to Graham Ventham at Conrad Consulting
IR35 Status:
Outside IR35

CV-Library City of London, London Contractor
CL
Apr 01, 2026  
Senior Process Engineer
Senior Process Engineer- Addison Project, Harlow For over 25 years, Addison Project plc has delivered innovative, sustainable engineering solutions across the chemical, pharmaceutical, energy, and food & beverage sectors. As a family‑owned business with UK‑wide coverage, we combine technical excellence with a collaborative, client‑focused approach. Our fully integrated EPCM capability supported by strong CDM and HSSEQ leadership and accredited management systems ensures projects are delivered safely, efficiently, and to the highest standards from concept through to commissioning and start‑up. If you're passionate about engineering and want to join a dynamic, people‑focused consultancy driving progress and sustainability across the UK’s manufacturing and process industries, Addison Project is the place to grow your career. Role: Senior Process Engineer (Contract – Outside IR35) Location: Harlow Contract: 12 months Start Date: Spring 2026 Workscope Addison Project Plc invites...
IR35 Status:
Outside IR35

CV-Library Harlow, Essex Contractor
CL
Mar 31, 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 31, 2026  
Senior / Principal C&I Engineer
Senior / Principal C&I Engineer – Contract Location: West Wales This is an excellent opportunity to join a leading engineering business during a period of continued growth as they support the Oil & Gas, Petrochemical, Renewable Energy, and Hydrogen sectors. TUV Certified status would be a bonus, though not essential. Role & Responsibilities * Undertaking work providing Process Engineering support to a range of CAPEX and OPEX projects. * Performing safety specification and certification of safety instrumented systems. * Carry out SIL Verification using simplified equations. * Undertake design and checking of deliverables according to discipline and area of expertise. * Checking the quality of 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). * Development of...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Mar 31, 2026  
Senior Electrical Engineer
Location: West Wales This is an excellent opportunity to join a leading engineering business during a period of continued growth as they support the Oil & Gas, Petrochemical, Renewable Energy and Nuclear sectors. Our client will consider applicants for either a staff or contract position – for a contractor 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 be able to size equipment and perform cable sizing calculations * Participation...
IR35 Status:
Outside IR35

CV-Library Burton Ferry, Pembrokeshire Contractor
CL
Mar 28, 2026  
Senior Mechanical Design Engineer
Senior Mechanical Design Engineer Location: Manchester (2 to 3 days a week in office) Contract: 12 month contract Rate: £355 to £445 per day (outside IR35) An established engineering design consultancy is seeking an experienced Senior Mechanical Design Engineer to support the delivery of projects across regulated clean and wastewater projects in the UK. The Projects you'll be working on Varied projects across the UK water industry, including: Various UMON projects in Sewage Treatment Works Pumped storm storage for CSOs and Sewage Treatment Works Key Responsibilities Provide design deliverables that satisfy safety and quality requirements. Produce design calculations and drawings for the water industry Direct and develop CAD technicians and more junior designers and graduates. Design in compliance with relevant technical, professional and group standards. Required Qualifications & Experience min 10 years' mechanical design experience in the UK water industry...
IR35 Status:
Outside IR35

CV-Library Stretford, Greater Manchester Contractor
CL
Jan 21, 2026  
Senior Electrical Design Engineer
Great opportunity to work with this leading international Consulting Engineers who are looking to bring on board a driven and experienced Senior Electrical Design Engineer, Outside IR35, to be an active part of a specialist design team consultancy to work on a variety of Data Centre projects. Key Responsibilities:- Create electrical design drawings and specs for Data Centre Projects. Ensure designs meet all standards and regulations. Support sustainable design and use of innovative tech Work closely with colleagues, clients, architects, and contractors.. Manage project deadlines, budgets, and deliverables. About you: You should hold Degree (or historic equivalent) in Electrical Engineering or related field.- Should have extensive experience in Mission Critical design and building services design, specifically on data centres.- Skilled in Amtech, and Dialux/Relux, with AutoCAD and Revit proficiency being beneficial. Sound knowledge of British Standards and building...
IR35 Status:
Outside IR35

CV-Library City of London, London 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
Dec 13, 2025  
Senior Public Health Design Engineer
Great long term requirement for Senior Public Health (Engineering) Design Engineer working for this innovative and mature Multi-disciplined Consulting Engineers across their major projects team To be clear this is a building services design role covering above ground drainage focusing on water supply, sanitation, drainage, and waste management, fire suppression system etc Candidates should be in a similar role with around five years experience Role would be a consulting position 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
CL
Oct 31, 2025  
Senior Electrical Design Engineer
Great opportunity to work with this leading international Consulting Engineers who are looking to bring on board a driven and experienced Senior Electrical Design Engineer, Outside IR35, to be an active part of a specialist design team consultancy to work on a variety of Data Centre projects. Key Responsibilities:- Create electrical design drawings and specs for Data Centre Projects. Ensure designs meet all standards and regulations. Support sustainable design and use of innovative tech Work closely with colleagues, clients, architects, and contractors.. Manage project deadlines, budgets, and deliverables. About you: You should hold Degree (or historic equivalent) in Electrical Engineering or related field.- Should have extensive experience in Mission Critical design and building services design, specifically on data centres.- Skilled in Amtech, and Dialux/Relux, with AutoCAD and Revit proficiency being beneficial. Sound knowledge of British Standards and building...
IR35 Status:
Outside IR35

CV-Library City of London, London Contractor
CL
Dec 11, 2025  
Senior Electrical Design Engineers
Great opportunity with a market leader to join their mission critical team working on key long term projects within the DC space - both hyper scale and co-lo. They are a global player with an outstanding market leader with a great pipeline of future work They are looking for experienced senior/ principal or associate level design engineers to join them or a long term basis working on a hybrid or semi-remote basis (by agreement) You should have current and developed experience as an electrical design engineer within the building services space and also with the mission critical / data centre space. Excellent rates and position 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
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