Senior Associate Building Services Electrical Engineer

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.

About the business unit

The Buildings Unit (BLD) has a major presence in Mott MacDonald's regional offices throughout the UK and mainland Europe, providing a wide range of diverse and transferable cross‑sector skills across five key Sectors; Advisory, Built Environment, Energy, Transportation and Water.

Overview of the role

We are seeking a Senior Associate – Building Services Electrical Engineer to lead, grow and inspire our multidisciplinary Mechanical, Electrical and Public Health (MEP) team. This role is ideally based in our London office, with collaboration across our regional teams in Croydon, Brighton and Bristol, alongside opportunities to contribute to national and international projects. You will play a key role in both winning and delivering major projects across diverse sectors, including:

• Commercial
• Aviation
• Rail Transport
• Buildings
• Judicial
• Residential developments
• Sports & Recreation
• Data centres
• Healthcare
• Defence and civic infrastructure
• Technical Advisory

Mott MacDonald has a strong track record in delivering large-scale infrastructure projects, and you will contribute to this legacy by leading high-profile, complex schemes and driving technical excellence.

Candidates will be expected to:

• Lead and deliver major MEP projects from concept through to detailed design
• Act as Project Principal while remaining hands‑on in technical delivery
• Manage multidisciplinary teams and collaborate with architects and civil engineers
• Drive project performance, including financial outcomes and profitability
• Build and maintain strong client relationships, ensuring high-quality service delivery
• Contribute to business development, including work‑winning and bid leadership
• Champion innovation, sustainability, and best practice in engineering design

Candidate specification

Essential:

• Degree-qualified Electrical Engineer with a strong background in Building Services
• Chartered Engineer (CEng) status with IET, CIBSE, or equivalent professional body
• Proven experience delivering major projects (typically £100m+ capital value) within the built environment with sustainable solutions
• Extensive MEP design experience across concept and detailed design stages
• Demonstrated ability to lead multidisciplinary teams and coordinate with other disciplines
• Strong track record in project delivery, including commercial and programme management
• Ability to inspire teams and drive technical excellence while remaining hands‑on
• Excellent communication skills, including report writing and presentations
• Up to date knowledge of current building regulations, legislation and standards applicable in building and infrastructure design

Desirable:

• Experience in sectors such as healthcare, infrastructure, aviation, rail, residential or data centres
• Knowledge of the London market and broader UK
• Experience in work‑winning, client engagement and bid leadership
• Familiarity with digital engineering tools and emerging technologies

Additional expectations

• Willingness to travel within the UK and occasionally internationally as required
• Commitment to high standards of corporate governance and project delivery

Benefits

Financial wellbeing

• We match employee pension contributions between 4.5% and 7%.
• Life assurance equal up to 4x your basic salary, with an option to increase the level of cover to 6x 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.

Employee Ownership

• Our employee ownership model means no external investors, just us, creating a culture of shared success.
• Our employees have a stake and a voice in our business, giving them a direct connection to our success through our personal and group performance bonuses.
• As your career grows, so does your stake, recognising your long‑term impact and contribution.
• Your voice matters, with the opportunity to connect directly with senior leadership through formal channels to help shape our future.
• For our senior roles you will have a direct pathway towards ownership from day one.

Health and wellbeing

• Private medical insurance for all UK colleagues.
• Health cash plan to support you with everyday 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.

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.