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Outside IR35 senior design engineer

40 senior design engineer jobs found

CL
Mar 01, 2026  
Senior Mechanical Design Engineer
Senior Mechanical Design Engineer Location: Manchester (Hybrid working) Contract: 12 month contract Rate: £355 to £445 per day (outside IR35) An established engineering and construction design specialist 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 10 years' mechanical design experience in the UK water industry...
IR35 Status:
Outside IR35

CV-Library Stretford, Greater Manchester Contractor
CL
Feb 13, 2026  
Senior HVAC Design Engineer
We are looking for an experienced Senior HVAC Design Engineer, in our London office of our Client, focusing on the Commercial sector witin their experienced team. You will have the opportunity to work on some of the most exciting and technically challenges projects within this fast paced sector. Our award winning international Client are currently involved in numerous projects, working both within the UK and across EMEA. Candidates will support the team in developing designs for mechanical distribution systems from CHW, HVAC, Fuel to LTHW Provide advice to clients regarding mechanical systems/requirements available to meet their business needs. Leading the design of Commercial Project mechanical systems and equipment (Building Services) Provide written reports of system options in the form of design development notes. Produce technical specifications for mechanical systems, ensuring compliance with relevant standards and client requirements Ensure coordination other...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Feb 05, 2026  
Senior Electrical Design Engineer
Senior Electrical Design Engineer - MEP London Contract (Outside IR35) Hybrid - 3 days a week in Office Rate: £45/hr - £50/hr A consultancy we are partnered with is looking for a contract senior electrical design engineer to work on a contract basis in their London office. Consultancy or contractor background welcome, working on various data centre projects. Contract length is like to be 6 months rolling. Looking to start someone immediately. If you are interested please apply with your CV
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Feb 05, 2026  
Senior Mechanical Design Engineer
Senior Mechanical Design Engineer - MEP London Contract (Outside IR35) Hybrid - 3 days a week in Office Rate: £45/hr - £50/hr A consultancy we are partnered with is looking for a contract senior mechanical design engineer to work on a contract basis in their London office. Consultancy or contractor background welcome, working on various sectors, notably commercial, residential and education. Proficiency in Revit desirable but not required. Contract length is like to be 6 months rolling. Looking to start someone end of Feb/beginning of March. If you are interested please apply with your CV
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Feb 05, 2026  
Senior Electrical Design Engineer - MEP
Senior Electrical Design Engineer - Building Services Contract (Outside IR35) Hybrid Watford Office-Based We have a current opportunity for a Contract Senior Electrical Design Engineer on a contract basis. The position will be based in Watford. For further information about this position please apply. About the role: * Projects - spread across a wide range of sectors, though high amount of healthcare projects * Contract Length - 6 months (can be extended) * Location - Watford Requirements: * Experience working on complex projects * Experience working for a building services consultancy/contractor * Have experience leading/coordinating a team On offer is an excellent contract rate of between £45 - £50p/h for the successful applicant. This is an Outside IR35 assignment. About Energi People Energi People is a highly specialised recruitment consultancy with a strong foothold in the global built environment sector for over 20 years. We excel in connecting technical...
IR35 Status:
Outside IR35

CV-Library Watford, Hertfordshire 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
Oct 08, 2025  
Senior Electrical Design Engineer
We are excited to be working with a modern, innovative Building Services Consultancy, 25 strong, who are looking for a Senior Electrical Engineer to join their close-knit team. Having met and engaged with them, I can personally vouch for their amazing culture - everyone is genuinely supportive, and mentorship is deeply ingrained in how they help their team grow. It's the kind of place where your career can soar - with endless opportunities for growth, the sky's truly the limit here! Role Overview: As a Senior Electrical Engineer, you'll take the lead on a range of exciting projects, bringing your technical know-how and design flair to the forefront. You'll ensure that every project - be it a cutting-edge commercial build or a prison refurbishment is delivered to the highest standards, meeting, and exceeding client expectations. You'll need a degree in Electrical Building Services Engineering (or something similar) along with 5+ years of experience in an Engineering...
IR35 Status:
Outside IR35

CV-Library London, UK 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
CL
Mar 05, 2026  
Senior Electronics Engineer
We are looking for an experienced Senior Electronics Engineer to take a leading role in the design and development of advanced electronic systems. This position offers the chance to work across the full engineering lifecycle and contribute to complex, high‑reliability programmes.Initial 6 month contract, outside IR35. While many of our projects support defence applications, we welcome candidates with relevant experience from other safety‑critical or high‑integrity industries. In this position, you will be responsible for shaping hardware solutions from early requirements through to delivery, ensuring technical alignment across customer expectations, project goals, and internal engineering teams. You’ll collaborate closely with specialists across multiple electronic design domains, including: Analogue circuit design Digital electronics FPGA and ASIC development PCB layout and routing Signal integrity assessment You will also support adherence to rigorous engineering...
IR35 Status:
Outside IR35

CV-Library Hastings, UK Contractor
CL
Mar 05, 2026  
Senior Surveyor Engineer
Senior Surveyor HS2 Bulk Earthworks and Drainage Watford Freelance 12 month contract Outside IR35 or CIS  A tier 1 joint venture delivering major works on HS2 is looking to appoint an experienced Senior Surveyor to support bulk earthworks, drainage, highways, and associated infrastructure works based in Watford. Key Responsibilities Site surveying and setting out Carry out accurate setting out for earthworks, drainage, structures, and highways using Total Station and GPS Undertake regular surveys and checks to ensure works meet design requirements and tolerances Identify and resolve dimensional or setting out issues with the site team Provide guidance to site engineers on best practice 3D modelling Use Civil 3D or similar software to produce and update construction models Complete earthworks cut and fill analysis Generate models for machine control, GPS plant, and setting out Produce accurate as built records, drawings, and digital models GPS machine control Upload and...
IR35 Status:
Outside IR35

CV-Library Sarratt, UK Contractor
CL
Mar 04, 2026  
Contract FPGA Design Engineer
Job Title: Contract Senior FPGA Engineer Location: Livingston (hybrid flexibility depending on project requirements) Contract Length: 8 weeks with possible extension, project dependent IR35: Outside Rate: £65 to £70 per hour Octagon Group is working with a global engineering and manufacturing organisation seeking a Contract Senior FPGA Engineer to support cutting-edge product development at their site in Livingston. This is a fantastic opportunity for a highly experienced Contract Senior FPGA Engineer to join a collaborative team delivering technology across aerospace, healthcare, industrial and advanced communications sectors. The successful Contract Senior FPGA Engineer will play a key role across the full product lifecycle, from concept and architecture through to design, verification and manufacturing transition. Key Responsibilities – Contract Senior FPGA Engineer – Livingston * Architect and design advanced digital electronic circuitry * Develop FPGA solutions using...
IR35 Status:
Outside IR35

CV-Library Bathgate, West Lothian Contractor
CL
Mar 01, 2026  
Senior Civil Engineer
Contract Civil Design Engineer Infrastructure & Drainage Rate: £45–£50 per hour – Outside IR35 Contract: Initial 6 months (strong likelihood of extension) Location: Birmingham (Hybrid / Office-based as required) An award-winning civil engineering design consultancy is seeking an experienced Contract Civil Design Engineer to support a strong pipeline of residential and mixed-use infrastructure projects. This is a hands-on role suited to an engineer who can take schemes from feasibility through to detailed design and technical approvals, working within a high-quality consultancy environment known for design excellence. Key Responsibilities Deliver civil infrastructure and drainage design for residential & mixed-use developments Design foul and surface water systems using MicroDrainage / InfoDrainage Produce highways, levels, earthworks and estate road designs using Civil 3D Prepare drawings, calculations and reports for S104, S38 and S278 approvals Liaise with...
IR35 Status:
Outside IR35

CV-Library Birmingham, UK Contractor
CL
Mar 01, 2026  
Contract Senior Civil Engineer
Contract Civil Design Engineer Infrastructure & Drainage Rate: £45–£50 per hour – Outside IR35 Contract: Initial 6 months (strong likelihood of extension) Location: Southampton (Hybrid / Office-based as required) An award-winning civil engineering design consultancy is seeking an experienced Contract Civil Design Engineer to support a strong pipeline of residential and mixed-use infrastructure projects. This is a hands-on role suited to an engineer who can take schemes from feasibility through to detailed design and technical approvals, working within a high-quality consultancy environment known for design excellence. Key Responsibilities Deliver civil infrastructure and drainage design for residential & mixed-use developments Design foul and surface water systems using MicroDrainage / InfoDrainage Produce highways, levels, earthworks and estate road designs using Civil 3D Prepare drawings, calculations and reports for S104, S38 and S278 approvals Liaise...
IR35 Status:
Outside IR35

CV-Library Southampton, UK Contractor
CL
Mar 01, 2026  
Senior DCS Engineer
Are you a Senior DCS Engineer looking for your next contract opportunity? If so, please read on... Senior DCS Engineer Aberdeenshire £50-55 per hour (Outside IR35) 12-month initial contract Key Responsibilities: Lead the design, development, and commissioning of automation systems based on ABB 800xA and AC800M. Manage and deliver full project lifecycle activities, including concept design, software configuration, FAT, SAT, and offshore installation. Collaborate with project teams and clients to ensure technical requirements and deadlines are met. Support offshore commissioning and maintenance activities as required. Essential Skills & Qualifications: Proven experience programming and configuring ABB 800xA and AC800M systems. Strong background in automation and control engineering with full project lifecycle involvement. Offshore Survival Certificate (BOSIET or equivalent). Strong documentation and communication skills. Experience with ABB MOD 300 DCS...
IR35 Status:
Outside IR35

CV-Library Aberdeenshire, UK Contractor
CL
Feb 28, 2026  
Design Manager
Design Manager - Water Industry Location: Manchester / Hybrid Contract: 12 month contract Rate: £355 to £445 per day (outside IR35) An established engineering and construction contractor is seeking an experienced Senior Civil Design Engineer to support the delivery of civil design solutions across regulated clean and wastewater projects in the UK. This is a contract opportunity suited to candidates with strong technical capability, leadership experience, and a background in the water sector. The Projects you'll be working on Varied projects across the UK water industry, including: Designs of UMON 3 and 4 upgrades at sewage treatment works nationwide Designs of clean water main replacements nationwide Key Responsibilities Manage, direct and develop engineers, CAD technicians and graduates. Grow the design team and maintain a positive ethos and attitude within the team. Lead the design process on multidisciplinary water industry projects. Challenge, improve and shape...
IR35 Status:
Outside IR35

CV-Library Stretford, Greater Manchester Contractor
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