Senior Principal Geologist

WSP is seeking a Senior Principal Geologist / Senior Technical Manager to join our Pacific Northwest Site Investigation & Remediation Team. This role is designed for a recognized technical leader with extensive experience in environmental investigation, remediation, regulatory strategy, and client advisory services.

About the role

The successful candidate will serve as a trusted technical advisor for complex environmental projects involving contaminated sites, groundwater, sediment, and remedial actions. Based in Redmond, Washington or Portland, Oregon, this position offers opportunities to lead high-visibility projects throughout the Pacific Northwest and collaborate with WSP experts nationwide.

Responsibilities

• Serve as a senior technical expert and reviewer for site investigation, remediation, groundwater, and environmental compliance projects.
• Lead development of conceptual site models, investigation strategies, remedial alternatives analyses, and corrective action approaches.
• Provide technical oversight of complex environmental assessments and remedial programs under MTCA, CERCLA, RCRA, and related regulatory frameworks.
• Interpret complex environmental, hydrogeologic, geochemical, and regulatory data to support sound technical and business decisions.
• Deliver technical excellence through peer review and quality assurance of project work products.
• Serve as a trusted advisor to public- and private-sector clients on environmental liability, remediation strategy, compliance, and risk management.
• Maintain productive working relationships with federal, state, tribal, and local regulatory agencies.
• Support remedy selection, regulatory negotiations, permit compliance, and long-term site management decisions.
• Effectively communicate technical findings and recommendations to clients, regulators, stakeholders, and project teams.
• Lead technical aspects of complex site investigation and remediation projects from planning through implementation.
• Collaborate with project managers to develop scopes of work, budgets, schedules, and technical approaches.
• Work closely with multidisciplinary teams including engineers, chemists, toxicologists, risk assessors, GIS specialists, and data managers.
• Support successful project execution while maintaining technical quality, safety, and client satisfaction.
• Leverage existing client relationships to support continued growth of WSP's Site Investigation & Remediation practice.
• Contribute technical leadership to proposals, interviews, and strategic pursuits.
• Identify opportunities to expand services for existing clients and develop new client relationships.
• Represent WSP at industry conferences, professional organizations, and regulatory forums.
• Mentor junior and mid-level staff in technical practices, problem solving, and client service.
• Support development of future technical leaders within the organization.
• Promote collaboration, innovation, knowledge sharing, and continuous improvement across project teams.

Requirements

• B.S. degree in Geology, Hydrogeology, Environmental Science, or related discipline.
• 12+ years of progressively responsible environmental consulting experience.
• Professional registration as a Licensed Hydrogeologist (LHG), Professional Geologist (PG), or equivalent credential.
• Demonstrated expertise with Washington MTCA, Oregon environmental regulations, CERCLA, RCRA, and associated regulatory programs.
• Significant experience leading contaminated site investigations and remedial actions.
• Strong technical writing, data interpretation, and communication skills.
• Proven ability to manage complex technical issues and client relationships.
• Experience working effectively within multidisciplinary project teams.
• Commitment to safety, quality, and professional excellence.

Preferred Qualifications

• M.S. degree in Geology, Hydrogeology, Environmental Engineering, or related field.
• Recognized technical expertise in remediation, groundwater investigations, contaminated sediment, or environmental compliance programs.
• Established relationships with Pacific Northwest industrial, utility, municipal, state, or federal clients.
• Experience supporting large, multi-stakeholder remediation programs.
• OSHA 40-Hour HAZWOPER certification.
• History of successful proposal support and project capture activities.

Benefits

WSP provides a comprehensive suite of benefits focused on providing health and financial stability throughout the employee’s career. These benefits include coverage related to medical, dental, vision, disability, and life; retirement savings; paid sick leave; paid vacation (or other personal time); paid parental leave; and paid time off for purposes of bereavement, voting, and/or attendance at naturalization proceedings.

Pay

Expected salary range: $125,600 - $175,000.

About WSP

WSP USA is the U.S. operating company of WSP, one of the world's leading engineering and professional services firms. Dedicated to serving local communities, we are engineers, planners, technical experts, strategic advisors and construction management professionals. WSP USA designs lasting solutions in the buildings, transportation, energy, water and environment markets. With more than 15,000 employees in over 300 offices across the U.S., we partner with our clients to help communities prosper.