Sr. Drainage Lead

At AECOM, we’re delivering a better world.

We believe infrastructure creates opportunity for everyone. Whether it’s improving your commute, keeping the lights on, providing access to clean water or transforming skylines, our work helps people and communities thrive.

Our clients trust us to bring together the best people, ideas, technical expertise and digital solutions to our work in transportation, buildings, water, the environment and new energy. We’re one global team – 47,000 strong – driven by a common purpose to deliver a better world.

Here, you will have freedom to grow in a world of opportunity.

We will give you the flexibility you need to do your best work with hybrid work options. Whether you’re working from an AECOM office, remote location or at a client site, you will be working in a dynamic environment where your integrity, entrepreneurial spirit and pioneering mindset are championed.

You will help us foster a culture of equity, diversity and inclusion – a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.

We will encourage you to grow and develop your career with us through our technical and professional development programs and diverse career opportunities. We believe in leadership at all levels. No matter where you sit in the organization you can make a lasting impact on the projects you work on, the teams and committees you join and our business.

We offer competitive pay and benefits, well-being programs to support you and your family, and the development resources you need to advance your career.

When you join us, you will connect and collaborate with a global network of experts – planners, designers, engineers, scientists, consultants, program and construction managers – leading the change toward a more sustainable and equitable future. Join us and let’s get started.

AECOM is seeking a Senior Drainage Lead to be based in Seattle, WA.

Job Summary/Responsibilities:

• Mentor, grow, and recruit staff.
• Lead a team of professionals overseeing the drainage design of large scale complex projects with a near-term emphasis on design-build delivery.
• Supervise and lead project plan production and technical reports.
• Establish budgets and schedules for project deliverables.
• Develop and manage key client relationships.
• Provide technical expertise for studies and design efforts.
• Present complex technical solutions to clients.
• Perform quality control reviews of work developed by others.
• Participate in the development of technical proposals.
• Collaborate with cross-functional teams to ensure integrated design solutions.
• Stay updated on industry trends and innovative drainage technologies.
• Ensure compliance with local, state, and federal regulations related to drainage systems.
• Develop and implement strategies to optimize project sustainability and environmental impact.
• Coordinate with contractors and construction teams during project implementation.
• Conduct site visits and field investigations to assess drainage conditions and requirements.

Minimum Requirements

• Bachelor's degree + 8 years of related experience or demonstrated equivalency of experience and/or education.

Preferred Qualifications

• Bachelor’s Degree in Civil Engineering, Environmental Engineering, or relevant field.
• 15+ years of experience in drainage design.
• 2+ years of WSDOT highway drainage design experience within the last 4 years.
• A current P.E. license in the State of Washington.
• WSDOT Highway Runoff Manual Training Certification.
• Experience developing proposals, scopes of work, and budgets.
• Knowledge of agency/regulatory approval process, standards, and best practices.
• Client connections and relationships with local and state agencies.
• Excellent verbal and written communication skills.

• Travel may be required 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, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. 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.