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Senior Environmental Geologist

GSI Environmental Inc.
Irvine, CA Full Time
POSTED ON 5/12/2026
AVAILABLE BEFORE 6/10/2026
About The Job

GSI Environmental Inc. is a private engineering and science consulting firm consisting of environmental engineers, geologists, and scientists. GSI handles a multitude of unique and complex environmental projects, which involve a dynamic working environment that challenges you on a daily basis. GSI is known for exceptional client service, technical and regulatory expertise, and an ability to lead complex projects typical of larger firms. Learn more about GSI by visiting https://www.gsienv.com/

GSI Environmental Inc. is seeking a Senior-Level Geologist for our Irvine or Emeryville, CA office. The ideal candidate will have least 10 years of experience designing and executing site characterization projects, including developing work scopes and budgets, managing internal staff and subcontractors, and communicating (written and oral) with clients and other stakeholders. In addition, the ideal candidate will possess strong leadership, communication, and team-building skills to support growth in our Irvine office and our overall California practice.

To apply, visit: https://www.gsienv.com/careers/

Responsibilities

  • Directing and managing small to regional multi-disciplined projects
  • Developing technical approaches for completing site characterization activities
  • Preparing written proposals, managing project budgets, and communicating with client and project stakeholders
  • Providing technical training and support to junior staff to ensure field tasks are completed with precision and consistency
  • Working directly with clients to identify specific project needs and communicating results

Job Perks

  • Competitive salary and benefits
  • Quarterly and year-end bonuses
  • Flexible work environment with potential for remote work
  • On-the-job training, mentorship, and professional development
  • Participation in conferences, technical presentations, and papers
  • Collaborative atmosphere

Qualifications

Qualifications/Requirements:

  • 10 or more years of related work experience required
  • Bachelor’s Degree or higher in Geology or related field required, Master’s Degree or above preferred
  • Professional registration in California as a Geologist (P.G.) and/or Hydrogeologist (C.H.G.) or Engineer (P.E.)
  • Extensive experience overseeing environmental drilling programs and sampling environmental media
  • Must have excellent written and verbal communication skills
  • Experience managing projects/tasks, including the preparation of proposals, cost tracking and maintaining budgets
  • 40-hour OSHA HAZWOPER certification
  • Valid driver’s license and clear driving record
  • Ability to travel

Salary.com Estimation for Senior Environmental Geologist in Irvine, CA
$159,031 to $206,852
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