Demo

Senior Geologist

W3Global
Kentfield, CA Full Time
POSTED ON 1/7/2026
AVAILABLE BEFORE 2/5/2026
Location

Northern California (candidate must reside in Northern California).

Primary focus: Greater Bay Area.

Remote work is allowed except for site work and regulatory agency visits, which require local travel.

Position Summary

We are seeking an experienced, detail-oriented Senior Geologist to lead and support Phase II-IV site investigation, monitoring, and remediation projects. This role includes both hands-on fieldwork and supervisory responsibilities. The ideal candidate will perform ASTM E1527-compliant Phase I Environmental Site Assessments, coordinate fieldwork, prepare technical reports, and communicate effectively with clients and regulators.

Key Responsibilities

  • Lead and execute Phase II, III, and IV investigations, monitoring programs, and remediation activities
  • Perform hands-on fieldwork including sampling, logging, and site assessments
  • Provide supervisory oversight of field teams and subcontractors; mentor junior staff
  • Conduct ASTM E1527-compliant Phase I Environmental Site Assessments
  • Design sampling plans, oversee QA/QC, and ensure data integrity
  • Analyze geological and environmental data, interpret results, and prepare clear technical reports
  • Coordinate with clients, contractors, and regulatory agencies; represent the firm at site visits and meetings
  • Contribute to project planning, budgeting, and proposal development

Qualifications

  • Current, active Professional Geologist (PG) license - required
  • Proven experience with Phase II-IV investigations, monitoring, and remediation projects
  • Experience performing ASTM E1527-compliant Phase I ESAs
  • Demonstrated ability to perform hands-on fieldwork and supervise field teams
  • Strong written and verbal communication skills with a professional demeanor
  • Proficiency with Microsoft Office (Word, Excel, PowerPoint)
  • Ability to travel to local job sites throughout the Bay Area and Northern California
  • Relevant degree in geology, hydrogeology, or a related field

Employment Details

  • Job Type: Full-time or Part-time
  • Expected Hours: 32-45 per week
  • Work Arrangement: Hybrid (remote with local field/site work as required)

Benefits

  • 401(k)
  • Health insurance
  • Dental insurance
  • Flexible schedule
  • Paid time off
  • Tuition reimbursement

Salary.com Estimation for Senior Geologist in Kentfield, CA
$123,448 to $166,957
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