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.

The successful candidate will lead technical and project management activities associated with contaminated sediment sites, including investigation, feasibility studies, remedial design, permitting, implementation, and long-term management. This position offers the opportunity to work on challenging projects throughout the Pacific Northwest while supporting Tetra Tech's continued growth in the sediment remediation market.

Location: Seattle, WA or Portland, OR

Your Role:

Project & Technical Leadership

• Lead sediment investigations, Remedial Investigation/Feasibility Study (RI/FS), and remedial design and implementation projects.
• Develop conceptual site models, feasibility studies, and alternatives analyses.
• Oversee remedial design activities, including capping, dredging, and bank stabilization.
• Coordinate geotechnical, hydraulic, structural, and water quality evaluations.
• Support permitting and implementation of sediment remediation projects.
• Evaluate sediment remediation technologies and support development of remediation designs for large contaminated sediment sites involving multiple stakeholders.
• Develop field sampling programs and oversee data evaluation and interpretation.

Project Management

• Manage project scope, schedule, budget, quality, and deliverables.
• Direct multidisciplinary teams across multiple offices and geographic locations.
• Prepare work plans, technical reports, design packages, and cost estimates.
• Coordinate construction activities and monitor field performance.
• Manage subcontractors, contractors, and field teams.
• Serve as a senior technical advisor and project manager for major sediment remediation programs.
• Mentor and develop junior and mid-level project managers and technical staff.
• Provide strategic direction for project execution and client service delivery.

Regulatory & Stakeholder Engagement

• Interface with regulatory agencies including EPA, USACE, and state and local agencies.
• Support permitting activities, regulatory negotiations, and stakeholder engagement efforts.
• Participate in public meetings and client presentations as required.
• Maintain effective working relationships with clients, regulators, and project stakeholders.

Business Development

• Lead major proposal pursuits and client account development activities.
• Support practice growth through identification of strategic opportunities and expansion of existing client relationships.
• Develop, strengthen, and expand relationships with existing and prospective clients.
• Support proposal preparation, technical presentations, and marketing initiatives.
• Identify and pursue new project opportunities.
• Contribute to strategic growth initiatives within the sediment remediation practice.
• Conduct activities in line with internal procedures, legislation, and industry standards.
• Pursue continuous professional development and maintain a high degree of discipline knowledge and awareness.
• Work in a safe manner at all times and report all health and safety incidents and concerns.
• Additional duties as required.

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.
• Ability to manage multiple priorities simultaneously.
• Ability 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.
• 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.

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.

Life at Tetra Tech:

The perks of working at Tetra Tech include:

• Comprehensive and market-competitive benefits. https://www.tetratech.com/careers/life-at-tetra-tech/
• Merit-based financial rewards.
• Flexibility and company-wide commitment to work/life balance.
• Collaborative team atmosphere that values the contributions of all employees.
• Learning and development opportunities for ongoing professional growth.

Compensation:

Pay commensurate with experience.

Pay Range: $150,000-$200,000 yearly

Pay Range - There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience and demonstrated work experience in the above role; skills, certifications, and competencies that align to the specified role; geographic location; and education, as well as contract provisions regarding labor categories that are specific to the position.

At Tetra Tech, health and safety play a vital role in our success. Tetra Tech's employees work together to comply with all applicable health & safety practices and protocols, including public health orders and regulations that are mandated by local, state, provincial, federal, international authorities, and clients.