Senior Scientist

Job Listing ID:

4476010

Job Title:

Senior Scientist Application Deadline:

05/19/2026

Job Location:

Portland

Date Posted:

04/19/2026

Hours Worked Per Week:

40

Shift:

Day Shift Duration of Job:

Full Time, more than 6 months You may contact this employer directly. (Obtain the contact information to print or add to your jobs.)

Job Summary:

Location:

Portland, Oregon

Type:

Direct Hire

• Job #8457

Salary:

$115,000

Overview:

Our client, an engineering firm specializing in renewable energy, water, and environmental solutions, is seeking a Senior Scientist to lead and support ecological assessments and water management projects. This role focuses on conducting instream flow and habitat analyses, collaborating with multidisciplinary teams, evaluating ecosystem flow requirements, and delivering science-based recommendations that support sustainable water allocation and regulatory decision making across environmentally sensitive and high-visibility projects, including those related to hydropower and water resource management This is a hybrid, full-time position based in Portland, OR.

Responsibilities:

• Leading instream flow assessments using methods such as PHABSIM, IFIM, and habitat simulation models.
• Analyzing hydrologic and ecological data to determine flow needs for aquatic organisms and riparian habitats.
• Interpreting hydraulic modeling results and GIS-based habitat mapping.
• Collecting and interpreting field data on streamflow, habitat conditions, and water quality.
• Preparing technical reports and communicating findings to stakeholders and regulatory agencies.
• Applying regional expertise to assess flow requirements and habitat conditions for native freshwater aquatic species in the Pacific Northwest and/or California.
• Evaluating species-specific habitat needs (e.g., salmonids and other freshwater fish species) in relation to streamflow and hydrologic conditions.
• Supporting or leading studies that inform regulatory processes related to species protection, habitat conservation, and water resource management.

Requirements:

• MS or PhD in Aquatic Ecology, Hydrology, Environmental Science, or related fields.
• 10 years of field experience in streamflow measurement and habitat surveys.
• Experience with instream flow assessments, aquatic habitat impact analyses, ecological modeling, and statistical analyses, as well as project management and consulting.
• Familiarity with environmental flow standards, water management regulations, and hydropower operations.
• Knowledge of water rights frameworks and instream flow policy.
• Extensive experience working with freshwater aquatic species native to the Pacific Northwest and/or California (e.g., salmonids or similar species of regulatory or ecological importance).
• Demonstrated experience applying instream flow methodologies in region-specific ecological contexts.
• Experience must be directly related to freshwater ecosystems; marine or terrestrial ecology experience alone will not be considered.
• Experience supporti To view the full job description please use the link below.

https://www.aplitrak.com/?adid=YmJnZW5lcmljLjMzMDk4Ljg3NjRAYWNzcHJvc3RhZmZpbmdjb21wLmFwbGl0cm

FrLmNvbQ Job Classification:

Environmental Scientists and Specialists, Including Health Access our statewide or regional occupation report for more information about wages, employment outlooks, skills, training programs, related occupations, and more. Compensation

Salary:

Depending on Experience Job Requirements

Experience Required:

 None

Education Required:

None

Minimum Age:

N/A Gender:

N/A