Principal Electrical Engineer -Substations

Mott MacDonald has an exciting opportunity for a Principal Electrical Engineer to join our expanding Power Transmission and Distribution team. The role can be based in various locations across the UK. The successful candidate will be motivated to work on a range of diverse, industry‑leading projects developing innovative solutions for the power transmission grid, ensuring security of electricity supply, integrating renewable energy sources, and delivering large power infrastructure plans from concept to delivery stage.

Responsibilities Primary plant layout for HV substations. Specification of equipment for HV plant and ancillary installations. Engineering design input to major electrical power infrastructural development projects from feasibility to detailed design, site construction monitoring and commissioning.

Coordination with client project teams and internal disciplines (civil, structural, environmental, survey/geotechnical, transport, protection, control, CAD/BIM). Delivery of projects involving new technologies such as energy storage, HVDC systems, smart grid solutions, waste‑to‑energy, and more. Provide professional services to clients in the UK and overseas.

Qualifications Qualified to degree level and ideally working towards Chartered Engineer status. Experience in the power transmission and distribution industry. Experience in design, delivery and supervision of HV substation solutions (110 kV to 400 kV).

Experience in developing specifications for HV AIS/GIS substations and associated primary/secondary equipment. Experience across all project lifecycle stages. Experience applying regulatory and client‑specific health and safety requirements to HV plant system designs.

Experience preparing technical reports in English. Experience with site construction and/or testing/commissioning for HV plant systems. Experience with earthing software design (CDEGs) and protection coordination software (ETAP).

Experience in control and protection systems design. Preferably a Master’s degree. Benefits Private medical insurance for all UK colleagues.

Health cash plan to support everyday health costs and treatments. Access to menopause support services for all UK colleagues. A comprehensive wellbeing program with family access.

Flexible benefits including family coverage. Pension scheme with employer match of 4.5 %–7 %. Life assurance equal up to 4 × basic salary, increaseable to 6 × salary.

Income protection supplement and support for long‑term illness or injury. Flexible benefits such as critical illness insurance and payroll savings. Annual bonus scheme based on business results. 33–35 days holiday per year, inclusive of public holidays; ability to buy or sell leave through a flexible benefits programme.

Increased holiday entitlement to at least 35 days after 5 years of service. Variety of employee saving schemes and discounts from high‑street retailers. Enhanced family leave: 26 weeks paid maternity and adoption leave, 2 weeks paid paternity/partner leave, with up to 24 weeks at full pay.

Up to five additional days leave for those with significant caring responsibilities, two of which are paid. Primary annual professional institution subscription. Opportunities for self‑development, mentoring, formal training.

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. If you are disabled or need support to enable you to apply or attend an interview, please contact us at [email protected] and we will discuss how we can support you. #J-18808-Ljbffr