Associate Scientist 2

At Weston Solutions, Inc. you will do meaningful work and make valuable contributions. Employee ownership at Weston is a path to professional growth and access to diverse opportunities in a highly connected community that works together across key service areas to make a difference in the environment. Weston has continued to evolve and adapt to our changing world as a premier provider of environmental and infrastructure services for over sixty years. In both the public and private sectors our teams help identify, solve, mitigate, and manage critical environmental issues to help clients achieve a more sustainable future.
Weston is seeking a passionate and driven Environmental Scientist or Geoscientist (Associate Scientist 2) to support our long-standing contract with the U.S. Environmental Protection Agency (EPA) Region 9. This role is ideal for someone committed to protecting public health and the environment through meaningful field and office-based work. As a key member of our project team, you’ll lead and support environmental field projects, contributing to site assessments, emergency response, and remedial oversight. Your work will directly support cleaner, safer communities.
Location: Concord, California
Expected Outcomes:
Conduct environmental sampling of soil, water, and hazardous waste
Perform air monitoring (limited sampling; familiarity is valued)
Coordinate laboratory sample shipments and evaluate analytical results
Write technical reports, including site investigations and Phase II ESAs
Prepare field documentation, daily logs, and support planning documents
Participate in an on-call emergency response rotation
Determine appropriate data collection methods and manage databases
Travel throughout EPA Region 9 for field assignments (3–5 days for responses, up to 2 weeks for planned work)
Calibrate and maintain multimedia monitoring and sampling equipment
Use PPE (Levels D–A) to safely enter potentially hazardous areas
Knowledge, Skills & Abilities:
Bachelor of Science degree in Environmental Science, Geology, Engineering, or a related field
2–5 years of experience conducting environmental investigations
Ability to lift up to 50 lbs. (field equipment, PPE, etc.)
Valid U.S. driver’s license and eligibility to work in the United States
Willingness to travel throughout EPA Region 9 (Arizona, California, Hawaii, Nevada, the Pacific Islands)
Willingness to participate in emergency response rotations (approximately one week per month)
Strong communication and documentation skills
Proficiency in Microsoft Office Suite
OSHA 40-hour HAZWOPER certification (preferred)
ICS training or emergency response experience (a plus)
Oil and hazardous materials emergency response experience (a plus)
We fully invest in our people: Weston provides a generous, comprehen