Geologist; PG

Staff Geologist/Geoscientist (PG), San Antonio, TX

Halff has an opening for a Staff Geologist, Environmental Engineer or Environmental Scientist, with a Texas PG license, to join us in our growing San Antonio, TX office. We are seeking an experienced, detail‑oriented professional with a strong technical foundation and a passion for leading impactful environmental projects.

• Provide technical leadership on a variety of environmental projects
• Manage and oversee small‑ and large‑scale field investigations and assessments
• Review and interpret data to ensure accuracy and regulatory compliance
• Lead the preparation and review of reports, including:
  • Phase I & II Environmental Site Assessments
  • Remedial Investigations
  • Affected Property Assessments
• Prepare and submit documentation for regulatory programs (TCEQ, TRRP, RCRA, CERCLA, etc.)
• Evaluate and validate laboratory analytical data in accordance with state and federal guidelines
• Develop clear, concise technical reports including findings, conclusions, and recommendations
• Coordinate and support field activities (utility locating, geophysical surveys, drilling, excavation)
• Manage subcontractors and field crews
• Serve as a primary client contact, supporting scope development and deliverables
• Oversee project execution, budgets, and schedules
• Mentor and support junior staff
• Support business development efforts and help win new work
• Travel as needed to support project requirements

• Bachelor's or master's degree in Geology, Chemistry, Environmental Science, or a related field
• Professional Geologist/Geoscientist License in Texas
• 10+ years of experience in environmental consulting
• Demonstrated experience managing projects under regulatory programs such as:
  • TRRP
  • CERCLA
  • RCRA
• Strong understanding of environmental regulations and compliance requirements
• Experience with field sampling techniques, documentation, and equipment
• Excellent analytical, problem‑solving, and technical writing skills
• Ability to effectively communicate complex technical information (written and verbal)
• Proven ability to collaborate with clients, teams, and stakeholders
• Willingness to travel; valid driver's license required
• Ability to pass background checks for federal facility access
• Willingness to obtain certifications and participate in ongoing training
• Must pass pre‑employment drug screening and physical (for fieldwork readiness)
• Available and prepared to work onsite at the San Antonio office, Monday through Friday, during regular business hours

• Experience working with regulatory agencies such as:
  • Environmental Protection Agency (EPA)
  • Texas Commission on Environmental Quality (TCEQ)
  • Railroad Commission of Texas
  • Louisiana Department of Environmental Quality (LDEQ)
  • Oklahoma Department of Environmental Quality (ODEQ)
  • Oklahoma Corporation Commission (OCC)
• GIS experience
• OSHA 40‑hour HAZWOPER certification

• Medical, dental, prescription and life insurance
• Long‑term and short‑term disability insurance
• Paid time off (PTO) and 8 company paid holidays (and Veteran's Day for our veterans)
• Traditional and Roth 401(k) plans
• Employee Stock Ownership Plan (ESOP)
• Health Savings Account (HSA)
• 529 College Savings Plan
• Flexible spending accounts (FSA)
• Employee Assistance Plan
• for a more comprehensive list of Halff's benefits

Salary is competitive and commensurate with experience.

All qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, or other legally protected status.

Halff is a drug‑free workplace. This offer of employment is contingent upon the receipt of a clear drug screen and background check prior to your first day of employment. This position may be subject to random drug testing pursuant to federal regulations.