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Principal Electrical Building Services Engineer
MM Project Leaders
Source: Headcount Labs · original listing ↗
Job data: Headcount Labs, ODbL 1.0. Job descriptions belong to their employers.
Source date: 10/26/2026
About this role
Mott MacDonald is a global engineering, management, and development consultancy with over 20,000 employees across more than 50 countries and 140+ offices. We work across incredible global industries, delivering exciting work that is defining our future and making an important societal impact in the communities we serve. Our people power our performance – we succeed when they do. With countless opportunities to collaborate, learn, and grow, the possibilities for excellence are as varied as every individual. Whether you want to grow as a subject matter expert or broaden your experience with roles across our international community, you’re surrounded by global specialists who want to combine their expertise and champion you to be your best. As a proudly employee-owned business, we benefit our clients, our communities, and each other, investing in creating the right space for everyone to feel empowered, included, and valued. Whatever your ambition, Mott MacDonald is where people come to be brilliant. About the business unit The Energy unit delivers services to clients globally across several sectors including hydropower, nuclear, waste, renewable generation and transmission & distribution networks. Together we provide integrated engineering and project management services across the project lifecycle – from concept and design to construction and operations, to decommissioning or repowering and life extension. Together with our clients, we’re helping to deliver the energy transition globally. About the business unit The Energy Unit delivers services to Clients globally across several sectors including hydropower, nuclear, waste, renewable generation and transmission & distribution networks. Together we provide integrated engineering and project management services across the project lifecycle – from concept and design to construction and operations, to decommissioning or repowering and life extension. Together with our clients, we’re helping to deliver the energy transition globally. About the Role Join our Energy Unit’s Nuclear: Defence and Civil division as a Principal Electrical Building Services Engineer and get the opportunity to work on exciting projects within a highly regulated / secure sector. You’ll play a key role in managing and delivering electrical building services design solutions for single or multi-discipline small and large scale projects, new and refurbishment projects or be part of an integrated project team, while contributing to technical excellence and collaborating with a successful team across the UK and Europe. In this role, you will be an integral part of our wider engineering teams, working alongside various Clients and specialist suppliers to deliver innovative, technically excellent solutions. You will be responsible for co-ordinating with multi-disciplinary resources and managing the electrical building services engineering team for delivery of the electrical building services design solutions, through strong engineering knowledge. You will be able to work independently, be highly motivated, have strong demonstrable engineering experience and be confident in your own ability to manage and co-ordinate the delivery of the electrical building services design scope for our projects. Candidates would be responsible for the development of electrical building services design solutions, including; • Incoming Supply Arrangements • Standby Power Generation Systems • UPS Systems • LV Distribution Systems • Earthing Arrangements • Metering Arrangements • Small Power • General/Emergency/External Lighting • Fire Safety • Security Systems • Lightning Protection Systems • Cable Management Solutions All our designs undergo the highest level of validation and verification before installation occurs and health & safety management is crucial to meet our Clients requirements. Our portfolio comprises a variety of different types of project work within a highly regulated / secure sector, including: • Conceptual Designs. • New-Build Facilities. • Refurbishment of existing buildings. • Asset care/renewal to extend the operational life of legacy buildings. • Design solutions to support decommissioning activities. About you In this role, you’ll: • Be responsible for review, checking, governance, assurance and approval of the electrical building services design solutions produced by the engineering team following company and project procedures. • Be working within multi-disciplinary design teams managing and co-ordinating the delivery of the electrical building services design solutions. • Offer support, guidance and mentorship sharing your experience and knowledge to help guide and strengthen our electrical building services engineering capability across our project portfolio. • Manage, co-ordinate, govern and assure the design documents produced by the team, including basis of designs, technical specifications, procurement specifications, condition assessment reports, load assessment reports and survey reports. • Manage, co-ordinate, govern and assure the design drawings produced by the team, including project layout drawings, block cable diagrams and single line schematic diagrams. • Be responsible for ensuring adherence with safety and quality standards. • Be responsible for management of the design team to ensure completion of the project deliverables meet programme and cost schedules. • Ensure compliance with Construction (Design and Management) Regulations – designer’s duties, current legislation, regulations and standards associated with all engineering aspects of the projects. • Ensure compliance with Building Regulations and Environmental/Sustainability requirements / targets. • Lead the production of estimates of work elements including programme/schedule development and manhour costs to help guide bids and proposals. • Support the development of project scope, design deliverables, resourcing requirements and delivery strategy / plans for the electrical building services work across various projects for project planning and execution. • Collaborate with project & engineering managers and maintain strong Client and Stakeholder relationships. • Attend and/or lead engineering meetings liaising with other disciplines and Clients as necessary across multi-discipline projects. What We’re Looking For • Have strong engineering knowledge, strong experience and be familiar with electrical building services design principals and processes. • Have initiative, be proactive, be self-motivated and have the confidence to make decisions and influence engineering practices and outcomes. • Have previous experience managing and supervising engineering teams within multi-discipline projects. • Have the ability to communicate effectively with Clients and team members. • Have up to date knowledge of current regulations and standards applicable in electrical building services design / infrastructure design environments. • Be proficient and have strong experience using software packages such as; Dialux, Relux and Trimble MEP Designer Suite (Amtech Power). • BIM knowledge, AutoCAD and 3D design experience would be beneficial. • Attained professional registration as a Chartered Engineer (CEng) and membership in a professional body. • Have a Degree in Building Services (Electrical Biased) or Electrical Engineering. • Nuclear Experience is NOT a requirement, experience working in other highly regulated industries would be beneficial. Why Join Us? • Work on innovative projects in a highly regulated / secure sector. • Collaborate with a skilled and supportive team. • Training, development and mentoring is provided to advance your career while contributing to impactful engineering solutions. • A range of core and flexible benefits are provided to support pension, health and wellbeing. • Strong sports and social culture with subsidised events arranged throughout each year. We are actively recruiting a diverse workforce that is reflective of the communities we serve. We recognise that differences in ability, skills and experience are a strength and encourage applications from people of all backgrounds. If you’re ready to lead and make a difference, apply now to be part of our team! Please be advised that offers for this role are conditional upon obtaining the appropriate level of Security Clearance . LI-EH1 UK Immigration Mott MacDonald Ltd. are not currently offering sponsorship to candidates under the Skilled Worker visa route in the UK. This decision is as a consequence of the changes made to the Skilled Worker route by the UK Government in April 2024. We continue to welcome applications from candidates who are eligible for alternative immigration routes in the UK, that do not require sponsorship as a Skilled Worker now or in future. Agile working At Mott MacDonald, we believe it makes business sense for you and your manager to choose how you can work most effectively to meet your client, team, and personal commitments. We offer a hybrid working policy that embraces your well-being, flexibility, and trust. Equality, diversity, and inclusion We put equality, diversity, and inclusion at the heart of our business, seeking to promote fair employment procedures and practices to ensure equal opportunities for all. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they can contribute. Accessibility We want you to perform your best at every stage in the recruitment process. If you are disabled or need any support to enable you to apply or attend an interview, please contact us at reasonable.adjustments@mottmac.com and we will talk to you about how we can support you. We offer some fantastic benefits including: Health and wellbeing • Private medical insurance for all UK colleagues. • Health cash plan to support you with every day health costs and treatments. • Access to Peppy, providing free support from menopause experts for all UK colleagues. • A variety of wellbeing support is available through our comprehensive wellbeing program, including access for you and your family. • Ability to flex your salary to opt into a wide range of health benefits, many of which can be extended to your family too. Financial wellbeing • We match employee pension contributions between 4.5% and 7%. • Life assurance equal up to 4 x your basic salary, with an option to increase the level of cover to 6 x your salary. • Our income protection scheme provides a financial benefit, as well as absence and return to work support due to long-term illness or injury. • Flexible benefits, including increased life assurance cover, critical illness insurance, payroll saving and will writing. • As an independently owned business we share the financial success of the business with all our colleagues in various ways including annual bonus schemes. Lifestyle • A minimum of 33-35 days holiday each year, inclusive of public holidays and dependent on level, with the ability to buy or sell leave through our flexible benefits programme. • Holiday entitlement increased to a minimum of 35 days after 5 years’ service. • Variety of employee saving schemes and discounts from high-street retailers. Enhanced family and carers leave • Enhanced family leave policies, including 26 weeks paid maternity and adoption leave, and two weeks paid paternity/partner leave. • Our shared parental leave matches maternity leave meaning we pay up to 24 weeks at full pay. • Up to five additional days leave are provided for those with significant caring responsibilities, two of which are paid. Learning and development • Primary annual professional institution subscription. • A broad range of opportunities to enhance both technical and soft skills through mentoring, formal training, and self-development options. Networks, communities, and social outcomes • Join a wide range of groups including our Advanced Employee Networks which support our LGBTQ+, gender, race and ethnicity, disability, and parents/carers communities. • Make a difference within our communities through our social outcomes . Apply now, or for more information about our application process, click here.