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Senior Project Manager - Wet Weather

AECOM
Philadelphia, United Statesfull_timeVerifiedPosted 12 Sept 2025

About the role

Company Description

Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.

There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

Job Description

AECOM’s Water Business Line is seeking a Senior Project Manager for a Technical Lead role in Combined Sewer Overflow (CSO) planning, modeling, design, and construction.   The ideal candidate will be able to demonstrate an established career serving as a client-facing project manager on regional and municipal CSO projects.   This position offers a unique opportunity to work with established AECOM CSO National practitioners who worked on authoring the CSO policy.  This position to support clients in the Mid-Atlantic region and on select assignments in other geographies working on a diverse range of technically challenging CSO projects and programs.

The responsibilities of this position include, but are not limited to:

  • Lead multi-discipline and complex CSO projects from the planning through permitting and construction phases, including working with collection system modeling team and interpreting modeling results to be used in planning and design of CSO projects.
  • Manage a portfolio of clients with multiple projects.
  • Develop and mentor mid-level and junior staff, including collection system modelers.
  • Oversee and prepare engineering reports and documentation.
  • Conduct evaluations of concepts and alternatives to assess compliance with design standards and regulations
  • Lead the development and review of design and construction plans, specifications, and cost estimates.
  • Provide construction administration support, as needed.
  • Support business development activities, including pursuing new clients and projects and serving as leader of proposal efforts.
  • Prepare engineering services proposals, fee estimates, and schedules.
  • Stay current on industry trends and advancements in design and engineering, particularly in areas related to the wet weather market (e.g., CSOs, SSOs, handling excess wet weather flow at WWTPs).
  • Participate in water and wastewater organizations through presentations at conferences and volunteering.

Qualifications

Minimum Requirements:

  • BS in Civil or Environmental Engineering + 8 years of related experience or demonstrated equivalency of experience and/or education.
  • Valid U.S. Driver’s License and as a condition of employment, must pass AECOM’s Motor Vehicle Records Review.

Preferred Qualifications:

  • 10+ years of related experience in water/wastewater/conveyance consulting and engineering management.
  • Previous experience supporting business development activities.
  • Excellent communication skills and the ability to be client-facing and lead a team.
  • Strong knowledge of CSO design codes, standards, and regulations.

Additional Information

  • This position requires occasional travel within PA and nearby states.
  • Relocation is not available for this position. 
  • Sponsorship is not available for this position.

About AECOM 

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. 

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, des

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AECOM

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