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senior design engineer

244 senior design engineer jobs found

CL
Feb 15, 2026  
Senior Design Engineer
Senior Design Engineer Rail Infrastructure, Communication and Information Systems (CIS) business. Your role, and what you'll be doing: The Senior Design Engineer will own deliverables through specification development, development and deployment of SCADA and control system solutions, setting technical direction and continually refining engineering best practice. You will play a key role in shaping system architectures, functionality design and first-in-type solutions, driving reuse and where appropriate while also leading the creation of new, modular components where the solution demands it. The role spans the full engineering life-cycle - from early concept and bid support through detailed design, development, integration and delivery. This position suits an engineer who is technically credible, systems-minded, comfortable leading others, and being hands-on. What will be my Responsibilities? - Deliver engineering activities for complex multi discipline systems,...
IR35 Status:
Unknown Status

CV-Library Ashby-de-la-Zouch LE65, UK Contractor
CL
Feb 14, 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
Feb 14, 2026  
Senior HVAC Mechanical Design Engineer
We have an exciting opportunity for a Senior Mechanical Engineer to get involved in expanding our clients team in Ireland and help further strengthen our technical capabilities in Europe whilst working on landmark projects. You will be joining the Mechanical team, with role will predominantly be focused on overseeing the delivery of multiple sectors including Data Centres, Commercial Office, Hotel & Residential, Retail and Laboratory projects With flexible working arrangements, great opportunities for personal growth and development and a collaborative and inclusive work environment, join us and help us in making spaces work. Design and review of mechanical system designs for a range of projects Act as a sounding board for mechanical engineers in the office, offering design direction and guidance Peer review of designs and specifications of mechanical systems Play an active role in developing the mechanical team technical capability Be expected to lead...
IR35 Status:
Unknown Status

CV-Library United Kingdom Contractor
CL
Feb 14, 2026  
senior mechanical design engineer
The Role We are seeking the right individual to join our Mechanical Design Team. Main Duties & Responsibilities The Senior Mechanical Design Engineer’s primary duty is the design, development and implementation of mechanical and electromechanical systems for the in-wheel motor. As part of the Mechanical Design team, the Senior Mechanical Design Engineer will collaborate throughout all levels and departments of the business to ensure comprehensive delivery of projects and key milestones. They will also ensure designs are well communicated, as well as supporting and mentoring the other members of the team. Location & Travel The role is full-time on a 6 month basis and based out of Farnham, Surrey. Flexible working possible. Some international travel to Europe, US and China possible. Key Responsibilities • Creating and refining mechanical and electromechanical parts and assemblies, as well as drawings to capture design intent and key characteristics • Performing hand...
IR35 Status:
Unknown Status

CV-Library Farnham, UK Contractor
CL
Feb 14, 2026  
Senior Electrical Design Engineer
We have an exciting opportunity for a Senior Electrical Engineer to get involved in expanding our team in Ireland and help further strengthen our technical capabilities in Europe whilst working on landmark projects. You will be joining the Electrical team, with role will predominantly be focused on overseeing the delivery of multiple sectors including Data Centres, Commercial Office, Hotel & Residential, Retail and Laboratory projects With flexible working arrangements, great opportunities for personal growth and development and a collaborative and inclusive work environment, join us and help us in making spaces work. Design and review of Electrical system designs for a range of projects Act as a sounding board for Electrical engineers in the office, offering design direction and guidance Peer review of designs and specifications of electrical systems Play an active role in developing the electrical team technical capability Be expected to lead projects and represent the...
IR35 Status:
Unknown Status

CV-Library United Kingdom 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 13, 2026  
Senior Datacenter Design Engineer
Data Centre Design Engineer - Lead / Consulting Inside IR35 | Long-term Contract 50% Remote | 50% European Travel (Expensed) IT Services Provider We are seeking an experienced Data Centre Design Engineer to join a major IT Services provider in a lead, design-assurance role supporting large-scale European data centre programmes. This is not a pure build role. You'll act as a technical authority, reviewing designs, shaping delivery plans, and overseeing implementation across complex, enterprise environments. Key Responsibilities Review and approve data centre designs (new build and expansion) Act as lead technical engineer / design authority Develop high-level delivery and implementation plans Provide technical governance throughout the project lifecycle Oversee implementation and resolve design or delivery risks Engage with internal teams, vendors, and customer stakeholders Support design sign-off and senior technical discussions Required Experience Strong experience...
IR35 Status:
Inside IR35

CV-Library City of London, London 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
Nov 14, 2025  
Senior Electrical Design Engineer - Data Centres
We are partnering with a leading consultancy and professional services firm specialising in delivering innovative, modern data centre solutions. They are expanding their engineering team and seeking Intermediate and Senior Electrical Design Engineers to help deliver a wide range of technically challenging and high-value projects. This is an exciting opportunity to join a business that champions innovation, collaboration, and long-term professional development. You'll take responsibility for the design and delivery of electrical systems, from concept through to commissioning, ensuring robust and high-quality solutions for mission-critical environments. You'll be involved in a variety of consultancy packages including: * Strategic consultancy, feasibility studies, and master planning * Detailed electrical design and specification * Engineering, commissioning, and IST management * Certifications, compliance, and performance validation...
IR35 Status:
Unknown Status

CV-Library Croydon, 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
Feb 11, 2026  
CE&I Design Engineer
OLG Recruitment are recruiting for a CE&I Design Engineer to work for a client based in West Cumbria. CA24 3JZ. This is a full time contract position for a minimum of 18 months. Hours of work will be 37 hours over 4½ days a week. This role has been determined as inside of IR35. Location: Working 3 days a week minimum on the plant. When not required on plant, to work 3 days week minimum out of a West Cumbria based design office. To attend Hinton House, Warrington, Cheshire approx. 1 day per month. Basic Purpose: * Providing site-based design front line support to the Commissioning teams, * Delivering, supporting the delivery of others and checking detailed designs/changes to meet functional and business needs. * The implementation, testing and commissioning of the detailed designs/changes is undertaken by other dedicated site-based teams, hence is outside the scope of this role. Essential: * Academic Qualification: Minimum - HND * Professional Qualification:...
IR35 Status:
Inside IR35

CV-Library CA24, Galemire, Cumbria Contractor
CL
Feb 11, 2026  
EC&I Engineer -Site based Sellafield
Contract Opportunity: Senior CE&I Engineer - Sellafield Projects £46-50 per hour (Inside IR35) On-site - Sellafield/ West Cumbria Design Office / Warrington Hours: 37 hours per week over 4½ days Security Clearance: SC required We are seeking an experienced CE&I Senior Design Engineer to join the Silos MSSS SEP1 & SEP2 programme, working as part of a highly skilled, site-based CE&I design team supporting a major nuclear facility. The Role This is a site-focused design support role, providing front-line engineering input to Commissioning teams. You will be responsible for delivering and checking high-quality CE&I designs and design changes that meet functional, safety and business requirements. Please note: implementation, testing and commissioning activities are undertaken by separate dedicated site teams and are outside the scope of this role. Key Responsibilities Provide site-based front-line CE&I design support to Commissioning teams Deliver...
IR35 Status:
Inside IR35

CV-Library Seascale, Cumbria Contractor
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