Terracon

30-Dec-2025

Service Line

Environmental

Office Name

Seattle

Job Description

General Responsibilities:

As a Staff Scientist/Geologist, conduct Phase I Environmental Site Assessments (ESAs), environmental site investigations, assessments and surveys to sample, measure and analyze air, water, material, and soil. Evaluate and interpret subsurface field and sampling data including soil and groundwater to develop conclusions concerning the environmental and geologic site conditions. Generate subsurface maps and cross-sections and collaborate with engineering and environmental scientist staff on projects. Identify, evaluate and recommend risk and remediation strategies/designs to ensure compliance with federal, state and local regulations. Prepare applicable permit applications, risk assessments and technical documents including proposals, reports and regulatory agency correspondence. Design systems and environmental protection plans. Projects may include Phase I/II environmental site assessments, ecological and natural resource field surveys, tank closure assessments, asbestos abatement, storm water management, and site planning and permitting.

Essential Roles and Responsibilities:

• Follow safety rules, guidelines and standards for all projects. Participate in pre-task planning. Report any safety issues or concerns to management.
• Demonstrate quality practices and acumen.
• Provide consistent quality standards on proposal and project delivery.
• Proficiency in Phase I ESAs, including completing proposals, conducting site visits, identifying Recognized Environmental Conditions (RECs), and communicating findings to clients.
• Demonstrate expertise in ASTM E1527-21 standards and regulatory frameworks governing environmental site assessments.
• Assess environmental risks and determine the need for further investigation in compliance with federal, state, and local regulations.
• Proficient Scientific Professional/Geologist responsible for conducting site testing and making recommendations for systems design on smaller projects of minimal complexity.
• May assist more senior scientists/engineers/geologists on large, more complex projects.
• Performs site visits, field observations and field data collection or assignments.
• Implements technical requirements to complete client projects by directing and supervising field staff to sample, test and collect data and/or document site activities.
• Responsible for developing written proposals to clients for approval by senior level professionals.
• Evaluates moderately complex laboratory and field data and assembles in written reports.
• May serve as team member and participate in meetings and communications with client pertaining to specific projects/tasks.
• May oversee work performed by lower level scientists/engineers, geologists, and technicians.
• Works under the supervision of a Professional Geologist (PG) and a Terracon Authorized Project Reviewer.

Requirements:

• Bachelor’s degree in Geology, Hydrogeology or related field and a minimum of 3 years’ related experience.
• Bachelor’s degree in Environmental Science or related science field and a minimum of 3 years’ related experience. Or, in lieu of a degree, a minimum of 7 years’ related experience.
• Valid driver’s license with acceptable violation history.
• Certification in field of expertise required.

Exemption

Non-exempt

Requisition ID

33949BR

Posting Title

Staff Scientist / Geologist

Employment Type

Regular, Full Time

City, State (Office Location)

Mountlake Terrace, WA

About Terracon

Terracon is a 100 percent employee-owned multidiscipline consulting firm comprised of more than 7,000 curious minds focused on solving engineering and technical challenges from more than 180 locations nationwide. Since 1965, Terracon has evolved into a successful multi-discipline firm specializing in environmental, facilities, geotechnical, and materials services. Terracon’s growth is due to our talented employee-owners exceeding expectations in client service and growing their careers with new and exciting opportunities in the marketplace.

Terracon’s vision of “Together, we are best at people” is demonstrated through our excellent compensation and benefits package. Based on eligibility, role and job status, we offer many programs including medical, dental, vision, life insurance, 401(k) plan, paid time off and holidays, education reimbursement, and various bonus programs.

EEO Statement

Terracon is an EEO employer. We encourage qualified minority, female, veteran and disabled candidates to apply and be considered for open positions. We do not discriminate against any applicant for employment, or any employee because of race, color, religion, national origin, age, sex, sexual orientation, gender identity, gender, disability, age, or military status.

Job Category

Scientist

State Salary Range Minimum

34.75

State Salary Range Maximum

48.75

Expected Salary Range

The expected salary range for this position is listed below. The base range may be adjusted based on the specific location of the applicant. Final agreed upon compensation is based upon individual qualifications and experience. *For California residents please note: A valid driver’s license with acceptable violation history may be required for positions that require driving.