Senior Scientist

About the role

Founded in Dallas in 1974, Trinity Consultants has grown from a small air quality firm into a global environmental consulting leader with 2,800+ experts worldwide. We deliver holistic expertise across natural environmental, people, and building technology environments — blending deep scientific knowledge with a culture that genuinely supports the people who do the work. Built on a foundation of transparency, empowerment, and professional growth, our team embodies integrity in every engagement. We reward creative problem‑solving, entrepreneurial spirit, and mastery of technical skills which creates an environment where talent thrives and clients succeed. Whether serving clients across environmental consulting, water & ecology, built environment, or life sciences, we unify rigorous science with conscious innovation. It’s a culture that nurtures collaboration, values inclusion, and drives meaningful results.

Trinity Consultants is adding a Senior Scientist to our Northwest team! The Senior Scientist provides advanced technical and scientific expertise in biological resource assessment, field studies, data analysis, environmental permitting, and regulatory compliance. This role leads complex biological surveys and analyses, oversees and mentors field staff, develops and reviews technical and regulatory documents, and communicates scientific findings to clients, regulatory agencies, and tribal representatives. The Senior Scientist also contributes to departmental technical standards, staff development, resource planning, and business development while serving as a subject‑matter expert on biological and environmental matters. This position may be based out of either our Gig Harbor or Mount Vernon offices.

Responsibilities

• Conduct literature reviews and research to support project needs; summarize findings and prepare technical memoranda, reports, and other scientific deliverables.
• Perform reconnaissance and species‑specific field surveys; prepare field notes, maps, and other documentation to ensure accurate and defensible records of observations.
• Lead, manage, and train field crews in survey protocols, data collection, documentation, and reporting while ensuring compliance with applicable safety procedures.
• Manage biological datasets, conduct advanced statistical analyses, and prepare clear and technically sound documentation of results.
• Develop, review, and support the preparation of biological permitting and compliance documents, including conservation measures, mitigation plans, biological assessments, and technical evaluations.
• Maintain current knowledge of relevant scientific literature, regulatory programs, and permitting strategies, and communicate regulatory and technical developments to project teams.
• Support departmental initiatives, including staff training and mentorship, development and implementation of standardized protocols, resource planning, and business development activities.
• Build and maintain collaborative, professional relationships with