Mid-to-Senior-Level Environmental Geologist

GSI Environmental Inc. (GSI) is a privately held, employee‑owned company offering superior compensation, benefits, and professional development opportunities. GSI is highly respected nationally and internationally for the quality of its professional environmental services and the technically advanced projects it has completed over its 39 years of operation. GSI employs cross‑disciplinary teams of environmental engineers and scientists, including toxicologists, geologists, hydro geologists, ecologists, chemists, oceanographers, and data scientists with seamless collaboration over both technical disciplines and offices.

Headquartered in Houston, Texas, GSI operates offices in Texas (Austin and Houston), California (Irvine, the San Francisco Bay Area, and Folsom), Washington (Olympia), Montana (Missoula and Helena), North Carolina (Raleigh), and New York (Syracuse). Our talented staff of environmental professionals perform projects nationwide and internationally.

Are you interested in working with industry leaders, applying leading‑edge technologies to measure, analyze, and solve some of the world’s most complex environmental problems?

Come join our team!

• Managing small to regional multi‑disciplined projects.
• Developing and implementing technical approaches for completing site characterization activities.
• Preparing written proposals, managing project budgets and subcontractors, and communicating with project managers, clients, and regulators.
• Providing technical training and support to staff.

• Professional registration in California as a Geologist (PG) is required.
• 8 to 15 years of relevant work experience.
• Ability to work in the Irvine Office.
• Bachelor’s degree or higher in Geology or similar.
• Experience with completing fieldwork and managing projects subject to regulatory review and oversight in California.
• Knowledgeable with California and Federal environmental regulations, including but not limited to waste characterization/disposal, DWR CA Well Standards, RCRA, and CERCLA.
• Extensive experience managing and overseeing environmental investigations and drilling programs and sampling various types of environmental media.
• Ability to multi‑task in a fast‑paced environment both in the field and in the office.
• Excellent written and verbal communication skills.
• 40‑hour OSHA HAZWOPER certification.
• Valid driver’s license and clean driving record.
• Willing to travel and perform fieldwork.

• Competitive salary and benefits.
• Quarterly and year‑end bonuses.
• Mentorship, and professional development.
• Participation in conferences, technical presentations, and papers.
• Collaborative atmosphere.