AECOM is seeking a Principal Mechanical Engineer to join the Water Solutions team. In this role, you will deliver major UK water utility investment programmes, working on long-term frameworks through AMP8 and AMP9 to provide sustainable water solutions across England & Wales. Your work will range from small rural sites to multi-million-pound infrastructure schemes.
What You'll Do
- Develop feasibility studies, outline and detailed designs, and provide construction support.
- Create design drawings, select mechanical plant, and prepare technical specifications.
- Collaborate with multidisciplinary teams, including civil, electrical, process, and mechanical engineers.
- Ensure high technical quality, contribute to bids, and maintain client relationships.
- Manage project budgets, schedules, and deliverables to meet agreed targets.
- Design mechanical installations for water and wastewater systems, including pumps, screens, valves, and odour control.
- Conduct site surveys and liaise with clients, contractors, and suppliers.
- Produce layouts, technical specifications, datasheets, and P&IDs for system designs.
What We're Looking For
- A degree in Mechanical Engineering.
- Chartered Engineer status (or working towards it) through a recognised institution like IMechE.
- Proven expertise in producing, reviewing, and approving engineering reports, designs, drawings, and specifications.
- Experience in the water and/or wastewater industry.
Team & Environment
The Water Solutions team is part of a wider community of around 700 experts across the UK & Ireland, including 170 specialists within the England & Wales team. You will collaborate with multidisciplinary teams and Enterprise Capabilities centres.
Benefits & Compensation
- Flexible hybrid working model.
- Career development opportunities.
- Technical practice networks.
- AECOM University.
- Volunteering days.
Work Mode
This role follows a hybrid working model and can be based from any of AECOM's offices in England & Wales.
As an Equal Opportunity Employer, we believe in each person’s potential. We celebrate diversity, including neurodiversity, and believe it enriches our team.





