Principal Water Treatment Engineer (Modeling & Regulatory Compliance)

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AECOM is seeking a highly skilled and experienced Principal Water Treatment Engineer to join our dynamic Pacific West Water Team. This role focuses on water treatment design and modeling in addition to regulatory compliance with all local, state, and federal regulations. The ideal candidate will have a strong background in engineering and a passion for advancing water treatment technologies.

Key Responsibilities:

• Lead the modeling and simulation of water treatment processes, utilizing advanced computational tools and techniques.
• Ensure compliance with all applicable environmental regulations and standards, including but not limited to the Clean Water Act and Safe Drinking Water Act.
• Conduct assessments and identify areas for improvement in existing water treatment systems.
• Collaborate with multidisciplinary teams to design and implement innovative water treatment solutions.
• Provide technical guidance and mentorship to junior engineers and project staff.
• Prepare and review technical reports, proposals, and documentation for regulatory submissions.
• Engage with stakeholders, including regulatory agencies, clients, and community members, to discuss project developments and compliance matters.

Minimum Qualifications:

• Bachelor’s degree and 10+ years of relevant engineering experience or demonstrated equivalency of experience and education

Preferred Qualifications:

• 20+ years of experience in water treatment engineering, with a focus on modeling and regulatory compliance.
• Strong knowledge of water quality standards, treatment processes, and environmental regulations.
• Proficiency in modeling software (e.g., AquaChem, HEC-RAS, EPANET) and data analysis tools.
• Master's degree in Environmental Engineering, Chemical Engineering, or a closely related field
• Professional Engineering (PE) license 
• Advanced knowledge of water treatment processes, technologies, and industry best practices
• Expertise in water treatment modeling software and data analysis tools
• Strong understanding of local, state, and federal regulations related to water treatment and quality
• AWWA certifications or other relevant water treatment specialties preferred
• Willingness to travel as needed for project sites and regulatory meetings

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, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2024. Learn more at aecom.com. 

What makes AECOM a great place to work 

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community—where you have the freedom to grow in a world of opportunity. 

As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.