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Principal Environmental Professional

GSI Environmental Inc.
Emeryville, CA Full Time
POSTED ON 11/9/2025 CLOSED ON 12/20/2025

What are the responsibilities and job description for the Principal Environmental Professional position at GSI Environmental Inc.?

Description

GSI is a privately held, employee-owned company offering superior compensation, benefits, professional development, with ownership opportunities for excellent candidates. 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.

Role

GSI employs cross-disciplinary teams of environmental engineers and scientists, including toxicologists, geologists, hydrogeologists, 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. Key opportunities of the Principal role will include:

  • Join a Thriving Firm: Be part of a privately-owned company renowned for its technical excellence and strong industry reputation. We are committed to measured, purposeful growth that maintains the integrity of our unique culture.
  • Be a Leader and Owner: Take on a significant role in managing a mid-sized company with over 250 employees. Enjoy meaningful ownership and profit-sharing opportunities that recognize and reward your contributions.
  • Advance the Science: Lead and innovate in the fields of toxicology, health sciences, and risk assessment. Your expertise will drive advancements and make a tangible impact on our projects and the industry.

Responsibilities

The successful candidate will be responsible for leading a practice area that is complementary to GSIs existing technical service offerings. Preferred environmental disciplines include (but are not limited to) engineering, hydrogeology, toxicology, water resources, groundwater modeling, air quality, risk assessment, and compliance. The candidate will be responsible for the professional, technical, and administrative activities of the company. Develop long-range plans; provide effective leadership; and develop and recommend corporate objectives, goals, and budgets. Negotiate critical and controversial issues with officers of other organizations and companies. Take responsibility for a large segment of the company in area of specialization. Directly supervises technical staff and plays major role in maintaining staff utilization.

Qualifications

The successful candidate will have a strong track record of leadership and business development with the following qualifications:

  • Advanced degree in geosciences, engineering, toxicology, or related field.
  • 15-20 years of work experience with heavy emphasis on environmental consulting for the private sector.
  • Professional licensure, such as Professional Engineer (PE), Professional Geoscientist (PG), Diplomate American Board of Toxicology (DABT) certification.
  • Direct experience with groundwater/soil/air contamination, contaminant fate and transport, and site investigation/remediation.
  • Litigation experience as a consulting and/or testifying expert.
  • Experience serving as a primary point of contact with clients and managing project teams and budgets.
  • Experience developing sampling plans for remedial investigations, constructing conceptual models, conducting data analysis and visualization, and preparing technical reports.
  • Ability to perform independent research and analysis.
  • Ability to work across geographies with experts in different offices.
  • Strong mentoring, professional development of staff, and recruiting skills.
  • Excellent verbal and written communication skills.
  • Working knowledge of state and federal environmental cleanup regulations is preferred (e.g., TRRP, LPST Rules, and/or Railroad Commission of Texas Cleanup Rules, RCRA, and/or CERCLA).
  • 40-hour OSHA HAZWOPER certification preferred
  • Must be fully vaccinated against COVID-19 as defined by the Centers for Disease Control and Prevention, unless candidate qualifies for an exemption based on the Americans with Disabilities Act of 1990 or Title VII of the Civil Rights Act of 1964, where a reasonable accommodation may be granted if approved by GSI management upon hiring.

Job Perks

  • Competitive salary and benefits with attractive year-end bonuses.
  • Expectation for company share ownership.
  • Flexible work environment with potential for remote work.
  • Participation in conferences, technical presentations, and publications.
  • Collaborative atmosphere.

The base salary for this position will be determined by the candidate’s geographic location, education, relevant degree, related experience, and overall qualifications.

Salary range: $170,000 - $210,000

Salary : $170,000 - $210,000

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