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Assistant Scientist Jobs in Oregon (NOW HIRING)

Environmental Scientist

Portland, OR

$79K - $104K/yr

TetraTechis adding an Environmental Scientist to our water resources environmental team based in ... Perform task management and assist project management for complex environmental projects. * Assist ...

Environmental Scientist

Portland, OR · On-site

$79K - $104K/yr

TetraTechis adding an Environmental Scientist to our water resources environmental team based in ... Perform task management and assist project management for complex environmental projects. * Assist ...

Senior Scientist

Bend, OR · On-site

$96K - $131K/yr

Serán seeks a Senior Scientist to join the Analytical Sciences group to play a key role in ... These tools assist our recruitment team but do not replace human judgment. Final hiring decisions ...

Senior Scientist

Bend, OR

$96K - $131K/yr

Serán seeks a Senior Scientist to join the Analytical Sciences group to play a key role in ... These tools assist our recruitment team but do not replace human judgment. Final hiring decisions ...

Senior Scientist

Bend, OR

$96K - $131K/yr

Seran seeks a Senior Scientist to join the Analytical Sciences group to play a key role in ... These tools assist our recruitment team but do not replace human judgment. Final hiring decisions ...

OR · On-site

$215K - $230K/yr

Write clinical science sections of meeting packages and assist in the development and review of other clinical documentation required for regulatory submissions and other regulatory processes

Job Summary We are seeking a Senior Data Scientist to support the Department of Veterans Affairs ... Develop, configure, and maintain the AI learning assistant and sandbox environment embedded within ...

OR

$93K - $140K/yr

Scientist II, Field Applications Bioinformatics Support PacBio (NASDAQ: PACB) is a premier life ... Essential duties and responsibilities: * Assist and enable customers and collaborators to ensure ...

Company Overview Hexion is entering a bold new chapter, and we're looking for talented scientists ... AI assistants to accelerate development * Experience with scale-up, pilot plant, and/or ...

Talent4Health is seeking a travel Medical Lab Scientist for a travel job in Newberg, Oregon ... Any Color, CNA: any color; MLT: any color, or business casual Charting: Epic Parking Cost: No Fee ...

OR · On-site

May assist Medical Director in patient profiles review, scientific review of other study level data, protocol deviation review, creation of Medical Review Summary report as needed. * Partners with ...

May assist Medical Director in patient profiles review, scientific review of other study level data, protocol deviation review, creation of Medical Review Summary report as needed. Partners with ...

Showing results 21-40

Assistant Scientist information

See Oregon salary details

$21

$32

$43

How much do assistant scientist jobs pay per hour?

As of Aug 12, 2026, the average hourly pay for assistant scientist in Oregon is $32.33, according to ZipRecruiter salary data. Most workers in this role earn between $25.91 and $40.67 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an assistant scientist?

To thrive as an Assistant Scientist, you need a solid background in scientific research, data analysis, and laboratory techniques, typically supported by a bachelor's or master's degree in a relevant field. Familiarity with laboratory equipment, data analysis software, and compliance with safety protocols is often necessary. Strong attention to detail, teamwork, and effective communication help an Assistant Scientist collaborate and contribute to research goals. These skills ensure accurate experimental results, efficient workflow, and meaningful contributions to scientific discovery.

What is the difference between Assistant Scientist vs Research Associate?

AspectAssistant ScientistResearch Associate
Required CredentialsBachelor's or Master's degree in a relevant field; some roles may require a PhDBachelor's or Master's degree; often more focused on supporting research activities
Work EnvironmentLaboratories, research facilities, field sitesLaboratories, research projects, data analysis
Employer & Industry UsageResearch institutions, biotech, pharmaceuticals, academiaUniversities, research labs, government agencies
Common Search & Comparison IntentUnderstanding entry-level research roles, career progressionSupporting research tasks, project involvement

Assistant Scientists and Research Associates often share similar educational backgrounds and work environments. The main difference lies in responsibilities: Assistant Scientists typically engage in more independent research and may have opportunities for project leadership, while Research Associates focus on supporting research activities and data collection. Both roles are vital in research settings and serve as stepping stones for advanced scientific careers.

What is an assistant scientist?

Assistant Scientists are entry- to mid-level research professionals who support scientific investigations in laboratory, field, or academic settings. They assist with experiments, data collection, analysis, and the preparation of reports or publications. Their responsibilities may also include maintaining lab equipment, ensuring safety protocols, and collaborating with senior scientists or research teams. Assistant Scientists are commonly found in industries such as pharmaceuticals, environmental science, and academia. A bachelor's or master's degree in a relevant scientific field is typically required for this role.

What are some common challenges assistant scientists face when transitioning from academia to an industry laboratory setting?

Assistant Scientists moving from academia to industry often encounter differences in pace, project scope, and collaborative structures. Industry labs tend to prioritize efficiency and teamwork, with strict timelines and clearly defined deliverables. Unlike academic research, where projects may be more exploratory, industry roles typically require adherence to standardized protocols and regulatory guidelines. Building strong communication skills and adapting to cross-functional collaboration are essential for success. Embracing these changes can accelerate professional growth and lead to new opportunities within the organization.
What are the most commonly searched types of Scientist jobs in Oregon? The most popular types of Scientist jobs in Oregon are:
What cities in Oregon are hiring for Assistant Scientist jobs? Cities in Oregon with the most Assistant Scientist job openings:
What are popular job titles related to Assistant Scientist jobs in OR? For Assistant Scientist jobs in OR, the most frequently searched job titles are:
Infographic showing various Assistant Scientist job openings in Oregon as of August 2026, with employment types broken down into 1% As Needed, 74% Full Time, 20% Part Time, 1% Temporary, 3% Contract, and 1% Nights. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $67,255 per year, or $32.3 per hour.

Environmental Scientist

Tetra Tech

Portland, OR

$79K - $104K/yr

Full-time

Re-posted 7 days ago


Tetra Tech rating

6.4

Company rating: 6.4 out of 10

Based on 42 frontline employees who took The Breakroom Quiz

402nd of 447 rated engineering


Job description

The Opportunity:

TetraTechis adding an Environmental Scientist to our water resources environmental team based in Portland, OR.

Why Tetra Tech:

At Tetra Tech, we areLeading with Scienceto solve the world's most complex challenges.Our industry-leading expertsin engineering and consultingare committed to driving positivechangein communities around the world.For60 years, wehavebeen at the forefront of innovation and sustainability.Today we stand as a market leader, offeringcutting-edgesolutions in water, environment, energy, and international development.Our work has improved more than625million lives around the world.

Your Impact:

Join Tetra Tech to make a real difference.Our workleveragescutting-edgetechnologies, advanced analytics, and theexpertiseof world-class scientists and engineers to create meaningful change around the world.Discover your full potential - join us to advance your career while leavinga lasting legacy.

Position Summary:

We're currently seeking an Environmental Scientist to join our team of biologists, environmental planners, and engineers who specialize in aquatic habitat restoration, biological studies, environmental assessments, permit applications, and NEPA documentation for projects throughout the West Coast and Alaska. Our team has worked on several exciting and impactful projects, including: 
 

  • Environmental review of an 800,000-acre-foot groundwater bank in California

  • Wetland restoration on islands in the Columbia River

  • Salton Sea Restoration Project

  • Endangered Species Act / Marine Mammal Protection Act compliance for U.S. Coast Guard bases in Alaska and the west coast

  • Wildlife monitoring on the Santa Ana River

  • Permitting fish passage restoration projects in Washington 
     

This position offers diverse project types and clear opportunities for professional growth and advancement within the firm.

Essential Job Functions:

The following duties are essential to this role. Reasonable accommodation will be madeto enable individuals with disabilities to perform these functions.

  • Prepare, review, and analyze environmental documentation under NEPA, SEPA, and CEQA processes.

  • Prepare Endangered Species Act (ESA) compliance documentation, including technical reports and field-based assessments.

  • Conduct field surveys related to vegetation, wildlife habitat, and riverine features throughout the Pacific Northwest.

  • Perform GIS mapping and data analysis to support project planning, environmental review, and reporting.

  • Conduct wetland delineations in accordance with applicable methodologies and regulatory standards.

  • Apply wetland and stream rapid assessment methodologies in California, Oregon, and Washington.

  • Prepare and oversee the development of environmental permits, including Clean Water Act Sections 404 and 401 permits.

  • Support stream and wetland restoration planning and implementation activities.

  • Perform task management and assist project management for complex environmental projects.

  • Assist with business development efforts related to biological and environmental services.

Requirements / Qualifications:

  • Bachelor's or Master's degree in Biology, Geography, Environmental Sciences, Water Resources Sciences, or a related field.

  • Minimum of 5 years of professional experience in environmental sciences, including NEPA, permitting, GIS, surveying, water quality, and wetland delineations.

  • Demonstrated knowledge of local plant, fish, and/or wildlife species and their habitat requirements.

  • Proven ability to research and prepare reports on environmental disciplines, regulations, and policies, including NEPA, SEPA, and ESA documentation.

  • Experience with federal, state, and local environmental permitting regulations and processes.

  • Ability to communicate professionally and work collaboratively with regulatory agency staff, co-workers, management, clients, and the public.

  • Strong organizational skills, including the ability to manage multiple projects and deliver work products on time.

  • Effective oral and written communication skills.

  • Proficiency with GPS equipment and ArcGIS software.

  • Valid driver's license.

Physical Requirements:

  • Ability to travel to project sites throughout the Western Coast of the United States, with work primarily performed within 1-2 hours of Portland, Oregon. This position may require up to 15% annual travel, including occasional overnight travel.

  • Ability to perform fieldwork in rugged and/or muddy conditions for extended periods, including walking, standing, bending, and kneeling.

  • Ability to work outdoors in varying weather conditions, including heat, rain, wind, and cold.

  • Ability to lift and carry materials and equipment weighing up to 50 pounds.

  • Ability to sit at a workstation and use a computer for extended periods, up to 8 hours per day, with additional hours as needed.

  • Manual dexterity to use a computer, keyboard, mouse, and other tools.

  • Ability to read and interpret documents.

  • Strong communication skills, both in person and electronically.

Additional Information:

  • This position is based in ourPortland, OR office on a hybrid schedule.

  • This position is scheduled for full-time work (40 hours/week) with a typical schedule of 8:00 am to 5:00 pm Monday to Friday.

  • Additionalhours may berequiredbased on project needs (e.g., early start times and prolonged field efforts).

  • Combination of office-based and outdoor field environments.

Life at Tetra Tech:

Theperksof working at Tetra Tech include:

  • Comprehensive and market-competitivebenefits.

  • Merit-based financial rewards.

  • Flexibility and company-wide commitment to work/life balance.

  • Collaborative team atmosphere that values the contributions of all employees.

  • Learning and development opportunitiesfor ongoingprofessional growth.

About Tetra Tech:

Tetra Tech is the leader in water, environment,and sustainable infrastructure, providing high-end consulting and engineering services for projects worldwide. With25,000 employees working together, Tetra Tech provides clear solutions to complex problems byLeading with Scienceto address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition.

Tetra Techis proud to be an Equal Opportunity Employer.Allqualified candidates will be considered without regard to race, color, religion, national origin, age, disability,sex, marital or familial status,status as a protected veteran,orany other characteristic protectedbylaw.

Tetra Tech is a VEVRAA federalcontractorand we request priority referral of veterans.

We inviteapplicationsfrom all interested parties.

Explore our open positions at https://www.tetratech.com/careers. Follow us on social media to learn more about our people, culture, and opportunities:

LinkedIn: @TetraTechCareers

X (Twitter): @TetraTechJobs

We thank all applicants for their interest, however, only those candidates selected for interviews will be contacted.

Please no phone calls or agencies.

Additional Information
  • Organization: 100 DIV

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