Principal​/Senior Engineer

Senior or Principal Environmental Engineer – Full‑time, Bellevue/Seattle, Washington

Position Summary
Farallon Consulting, L.L.C. is hiring a full‑time Senior or Principal Environmental/Remediation Engineer to serve in our Bellevue or Seattle office. This hybrid, exempt role involves technical leadership, project management, and business development across a broad range of environmental projects.

Farallon is an employee‑owned consulting firm that specializes in environmental due diligence, site investigation and cleanup, engineering and remediation services, stormwater management, natural resources and permitting, and mediation and litigation support. Headquarters are in Bellevue, Washington, with additional offices in Seattle, Bellingham, Portland, Baker City, Oakland, and Irvine.

We seek a motivated, experienced Senior or Principal Engineer who can advance their career while collaborating with industry experts. The ideal candidate will have strong engineering design skills across multiple contaminants and remedial technologies, and the ability to lead complex projects and foster client relationships.

• Opportunity to advance your career at a quality‑driven, employee‑owned firm.
• Mentorship from seasoned environmental professionals.
• Flexible work environment and excellent benefits.

• Originating and developing new business while leveraging existing client relationships.
• Leading projects through site assessment, investigation, cleanup strategy development, construction, and closure.
• Preparing and overseeing feasibility studies, system design documents, bid specifications, and engineering drawings.
• Developing and reviewing remedial cost estimates throughout a project’s life.
• Providing technical and project management leadership to meet scope, budget, schedule, and quality expectations.
• Managing project financial performance and client relationships for multiple projects.
• Coaching and mentoring staff.

• Previous consulting or professional services experience with multiple clients.
• Strong engineering design experience for multiple contaminants and remedial technologies.
• Experience developing cleanup strategies and cost estimates.
• Well‑versed knowledge of environmental regulations (MTCA, RCRA, CERCLA, etc.).
• Permitting experience (PSCAA, CSGP, NPDES, etc.).
• Experience managing multidisciplinary teams on complex cleanup actions.
• Excellent written and verbal communication skills for proposals, reports, and regulatory documentation.
• Commitment to safety and state/federal health and safety requirements.

• ABET‑certified Bachelor’s or Master’s degree in civil or environmental engineering.
• Professional license in Washington state.
• At least 15 years of professional environmental consulting experience in Washington, including site investigations and remediation system design.
• Availability to travel as required for project and business development work.
• Experience communicating with local, state, and federal regulators.

• Experience developing new clients and practices with a strong track record.
• Familiarity with GIS, data management, and laboratory analytical procedures.
• Experience with voluntary cleanups and closure through the Voluntary Cleanup Program.
• Specialized engineering design knowledge such as PFAS cleanup, air‑compliance, emissions control, or sediment cleanup.
• Knowledge of local stormwater regulations and permit compliance.

This job description is not comprehensive; duties and responsibilities may change. No notice for changes required.

• Hybrid schedule with flexible in‑office days in Seattle or Bellevue.
• Ability to sit for extended periods, use a computer, and perform typical office duties.
• May need to lift up to 50 lbs.

Base salary range:
Senior level $120,000 – $160,000;
Principal level up to $185,000. Compensation is based on education, experience, and internal equity. Salary ranges are reviewed annually.

• Medical, Dental, and Vision coverage
• Paid vacation, sick, holiday, and parental leave
• Participation in the Employee…