Senior Scientist

Senior Scientist – Ecological Assessments & Water Management

Kleinschmidt Associates has a full‑time opening for a Senior Scientist to support ecological assessments and water management projects in Portland, Oregon (California will also be considered). Our hybrid model allows employees to work from the office and remotely.

Salary: $115,000 – $130,000 per year (based on experience).

• An experienced Aquatic Scientist with an MS or PhD in Aquatic Ecology, Hydrology, Environmental Science, or a related field.
• 10+ years of field experience in streamflow measurement and habitat surveys, with statistical analysis and ecological modeling (R, Python preferred).
• Knowledgeable in water rights frameworks, instream flow policy, streamflow dynamics, aquatic species–habitat relationships, and environmental flow standards.
• Excellent technical writing and communication skills.

• Permanent authorization to work in the United States.
• Willingness to travel and possession of a valid driver’s license.

The role involves evaluating flow requirements for aquatic ecosystems, conducting habitat analysis, and providing science‑based recommendations for sustainable water allocation.

• Lead instream flow assessments using methods such as PHABSIM, IFIM, and habitat simulation models.
• Analyze hydrologic and ecological data to determine flow needs for aquatic organisms and riparian habitats.
• Interpret hydraulic modeling results and GIS‑based habitat mapping.
• Collect and interpret field data on streamflow, habitat conditions, and water quality.
• Prepare technical reports and communicate findings to stakeholders and regulatory agencies.

• Competitive salary
• Bonus Program
• Comprehensive medical/dental/vision package
• 401(k) with 4% employer match and 100% immediate vesting
• 10 Paid Floating Holidays
• Paid Time Off
• Company‑Paid Short‑Term Disability and Life Insurance
• Paid Parental Leave
• Tuition Assistance
• Employee Ownership

Kleinschmidt is an Equal Opportunity and Affirmative Action employer. We provide equal opportunity to all persons without regard to race, color, religion, sex, sexual orientation, gender status, disability status, national origin, veteran status, and all other dimensions of diversity.

Our team thrives on passion and engagement, continuously pushing the boundaries of innovation and creativity. At Kleinschmidt, you’ll find a vibrant community of professionals eager to share knowledge and help you achieve your career goals.