Principal Electrical Engineer

Location: Exeter

Recruiter contact:

Mott Mac Donald Bentley is a fully integrated design and build business combining the design expertise of Mott Mac Donald with the contracting experience of JN Bentley to deliver award‑winning projects. Working for Mott Mac Donald Bentley, you will work on major water and wastewater schemes throughout all phases of the project from feasibility through to construction. With an annual turnover surpassing £500 million, Mott Mac Donald Bentley cements its position as a leader within the industry.

The sustained, robust business performance creates an ideal environment for career growth.

In November 2023, MMB secured its first ever framework with South West Water, the company responsible for the water and wastewater services of 1.8 million customers in Cornwall, Devon, the Isles of Scilly and parts of Dorset and Somerset.

The multi‑million‑pound AMP8 contract runs for five years to 2029 – with the potential for a further five‑year extension – and sees us bring our track record of innovative project delivery to the south‑west of England for the very first time.

We’ve got a great opportunity to be innovative and creative in these new projects to deliver affordable solutions. We’re already on site supporting the completion of an existing project and we’re due to land new projects on site in 2025 as we continue to demonstrate to our client just what MMB is all about.

As a Principal Electrical Engineer, you will play a pivotal role in shaping the electrical functions throughout the lifecycle of various projects, from concept design to commissioning, ensuring all electrical aspects are meticulously considered and integrated.

• Lead and oversee the design, planning and execution of electrical engineering on projects.
• Provide design support and guidance for schemes, ensuring all designs are fit for purpose and meet current legislation and standards.
• Work closely and collaboratively with the commercial, operational and construction teams to develop efficient, practical and safe solutions throughout design stages, construction and beyond.
• Positively engage with the client, managing relationships and adopting a one‑team approach to supporting them in achieving their aims.
• Manage the interfaces and integration of the process design with other disciplines and produce documentation.
• Act as technical checker on project documents and undertake technical reviews for projects across teams.
• Identify opportunities to improve delivery processes, including development and implementation of standard designs, sustainable solutions and digital tools.
• Undertake site reviews to ensure buildability of solutions and integration within existing systems.
• Support the development of the mechanical engineering team, coach and mentor engineers to develop their skill set and identify the correct resources for the projects.

• Degree in Electrical Engineering or a related field.
• Chartership (CEng) with a relevant Engineering Institution.
• Proven ability to manage multiple projects and meet deadlines.
• Experience of successfully delivering high‑quality outputs in accordance with design, quality and safety standards.
• Ability to communicate effectively with team members and stakeholders.
• A willingness to travel to sites across your operational region.
• Water/wastewater experience required.

• MMB match employee pension contributions between 4.5 % and 7 %.
• As an independently owned business we share the financial success of the business with all our colleagues, including our annual bonus schemes.
• Payment of annual professional institution subscription costs.

• A minimum of 33 days holiday each year, inclusive of public holidays, with the ability to buy, sell or carry over annual leave through our flexible benefits programme.
• Access to life assurance, private medical insurance, critical illness insurance and health screening options.
• We are happy to talk openly about flexible working and how we can support your responsibilities beyond the workplace.
• Join a wide range of groups including our Advanced Employee Networks which support…