Public Health Engineer

Location/s: Croydon, London

Recruiter contact: David Mc Fall

We are seeking an enthusiastic and motivated individual to support the growth and development of our Tunnel Systems MEP team. As Principal Mechanical Engineer (Public Health), you will oversee technical quality, ensure engineering outputs meet project requirements, and lead public health design across the full project lifecycle. This includes detailed calculations, equipment selection, and ensuring compliance with relevant standards. You will also lead the design of tunnel drainage, pumped drainage, fire mains, and fixed firefighting systems.

You will join an established team with a broad range of experience, from principal engineers to apprentices. Knowledge sharing and supporting junior colleagues are fundamental aspects of our team culture.

• Leading teams of engineers and technicians
• Managing and coordinating multi‑disciplinary project teams
• Producing reliable design solutions, reports, specifications, and drawings
• Presenting technical solutions to clients and external stakeholders
• Actively participating in design team meetings and ensuring adherence to agreed principles
• Coordinating with other engineering disciplines to integrate mechanical/public health systems within the overall design
• Contributing to bid management and business development activities
• Supporting the mentoring, management, and technical development of engineers

• Degree‑qualified with membership of a relevant professional body (e.g., IMechE, CIBSE)
• Chartered Engineer (or equivalent relevant experience)

• Experience in a similar engineering and construction environment, including major project delivery
• Capability in the design and specification of foul water ejector systems, surface water pumped systems, above‑ground soil and waste systems, hot and cold‑water systems, compressed air systems, fire hydrant/suppression systems, sprinkler/hose reel systems
• Experience delivering large engineering and construction projects, including transport infrastructure
• Understanding of multidisciplinary design and build processes
• Knowledge of CDM Regulations 2015
• Strong verbal, written, analytical, and organisational skills
• Ability to work to tight deadlines and use initiative
• Proactive, adaptable, and able to apply skills to new challenges
• Ability to build strong relationships in a multi‑disciplinary environment
• Familiarity with common data environments
• Experience using Bluebeam, Hevacomp, Micro Drainage, Revit, Project Wise, and MS Office
• Experience developing engineering designs within a BIM environment

The role will be based in our Croydon office, with occasional travel within the UK or overseas depending on project requirements.

Mott Mac Donald Ltd. are not currently offering sponsorship to candidates under the Skilled Worker visa route in the UK. This decision is 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.

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.

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 reaso and we will talk to you about how we can support you.

• 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…