Senior Marine Sediment Project Manager (Seattle, WA or Portland, OR)

The Opportunity:

Tetra Tech is seeking an experienced Senior Marine Sediment Project Manager to support and grow our sediment remediation practice in the Pacific Northwest. This role focuses on leading complex sediment investigation and cleanup projects, managing multidisciplinary teams, supporting regulatory and stakeholder engagement, and contributing to business development efforts.

Location:

Seattle, WA or Portland, OR

Qualifications:

• Bachelor’s or Master’s degree in Environmental Science, Engineering, Geology, Hydrogeology, or a related field.
• 12 -15+ years of experience supporting contaminated sediment remediation and hazardous waste projects.
• Strong expertise with:
• CERCLA processes including RI/FS and RD/RA
• Environmental field investigations and sampling oversight
• Contractor management
• In-water permitting including:
• Clean Water Act Sections 401 and 404
• Rivers and Harbors Act Section 10
• Sediment remediation technologies and design evaluation
• Development of field sampling programs and data analysis
• Demonstrated project management and team leadership experience.
• Excellent technical writing and communication skills.
• Strong client management and business development capabilities.
• Able to manage multiple priorities simultaneously.
• Able to travel approximately 25–50% as required.
• Must possess a valid driver’s license with a clean driving record without restrictions.

Preferred Qualifications:

• Professional Engineer (PE) or Professional Geologist (PG), or ability to obtain within one year.
• Master’s degree in a related field.
• Current OSHA 40-Hour HAZWOPER certification.
• Experience with sediment transport modeling and/or cap modeling.
• Experience with ecological or human health risk assessment.

Core Competencies:

• Demonstrated success managing large, complex, multi-million-dollar remediation projects.
• Established relationships with Pacific Northwest regulatory agencies and clients.

Physical Requirements:

• Ability to perform field investigations and site visits as required.
• Ability to work outdoors in varying weather conditions.
• Ability to travel to project sites, client locations, and meetings.
• Ability to walk on uneven terrain and active construction sites.

Work Environment / Environmental Factors:

• Office and field-based work environment.
• Collaboration with multidisciplinary engineering, environmental, and scientific teams.
• Periodic travel throughout the Pacific Northwest and other project locations as needed.
• Exposure to active remediation, construction, industrial, and marine environments.