Principal Civil Engineer, Wastewater

Company Overview

At AECOM, we're delivering a better world. We are the world's trusted infrastructure consulting firm, partnering with clients to solve complex challenges and build legacies for future generations.

Principal Civil Engineer – Water

Leeds, Chesterfield, or Manchester (Hybrid working model).

You will be part of a dynamic local team of civil engineers, providing technical leadership, mentoring, and project delivery across the UK and beyond.

• Major upgrades of sewage and water treatment works at Wanlip, Matlock, and Worcester for Severn Trent.
• CSO investigations and solutions for Anglian Water and Scottish Water (Caledonia Water Alliance).
• Local infrastructure projects for Derbyshire County Council and Derby City.
• Strategic advice for national clients including DEFRA, Network Rail, and National Highways.

• Collaborating with engineers, modellers, environmental scientists, and other specialists to deliver high‑quality water and wastewater projects.
• Contributing across all design stages, from concept to detailed design and technical reporting.
• Applying creative and practical thinking to solve real‑world engineering challenges.
• Ensuring designs meet relevant standards, regulations, and best practice.
• Leading the technical delivery of key projects and reviewing work produced by others.
• Managing project scope, budget, and timelines effectively.
• Building strong relationships with clients, providing regular updates and technical guidance.
• Mentoring and supporting early‑career professionals in your team.

• Bachelor’s or Master’s degree in Civil Engineering or equivalent qualification, or demonstratable equivalent experience.
• Proven experience within the water sector at the Principal level.
• Chartered or Incorporated with a relevant institution (e.g., ICE, CIWEM) or working towards.
• Experience in engineering assessments, options appraisals, engineering calculations, and/or economic appraisals.
• Experience in outline and/or detailed design of wastewater/water treatment schemes.

• Career development opportunities.
• Flexible hybrid working model.
• Technical practice networks and AECOM University.
• Volunteering days.

AECOM is an Equal Opportunity Employer and a Disability Confident Employer. We welcome applicants from all backgrounds and abilities. If you require reasonable accommodation, contact Reaso All information will be kept confidential in accordance with EEO guidelines.

Interested? Follow us on Linked In, Facebook, Instagram, and You Tube for updates. For further information about the role, reach out to Anne Marie Flynn on Linked In.