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Senior Environmental Geologist

APTIM
Concord, CA Full Time
POSTED ON 1/5/2026
AVAILABLE BEFORE 2/4/2026

Job Overview:

APTIM Federal Services is currently seeking a Sr. Level Environmental Geologist to support the increasing growth of project work within our Remediation business line. The preferred candidate would be a credentialled professional geologist or hydrogeologist with proven experience supporting characterization and remediation projects in a senior technical role. Primary responsibilities will include the planning and implementation of remedial investigations, remedial actions, and optimizing existing remedies. Other responsibilities will include preparation of proposals and work plans, overseeing and mentoring project staff, and completion of CERCLA reports. The successful candidate will possess the ability to communicate clearly and confidently, both written and verbally, to all project team members including client representatives, government regulators, and APTIM colleagues alike. Strong people skills with a collaborative demeanor are a must. This position will be based out of our Concord, CA office.

Key Responsibilities/Accountabilities:

  • Applies technical expertise to improve project and proposal effectiveness from a technical, quality and safety perspective.
  • Characterize the geologic conditions, hydrologic character, contaminant types and distribution to evaluate risks and provide input for the design and optimization of appropriate remedial measures.
  • Design and execute hydrologic testing to define the character of groundwater aquifers and the fate and transport of contaminants (where present).
  • Support project planning and execution in accordance with established policies, procedures, and requirements including Federal and State regulations.
  • Communicate field results and recommended course of action to project managers, client representatives and regulatory personnel.
  • Serve as a mentor to junior and mid-level staff, work collaboratively in a team environment.
  • Maintain strict adherence to company safety and quality programs.

Basic Qualifications:

  • Possess a Bachelors' degree in Geology, Hydrogeology, Environmental Science or related discipline.
  • 10 to 15 years of experience in the environmental field.
  • Licensed as a Professional Geologist is desirable, preferably in California.
  • Experience supporting DoD and CERCLA-funded projects.
  • Possess 40-hour OSHA HAZWOPER training with current 8-hour refresher certificate preferred.
  • Must possess a valid driver's license with a clean driving record; ability to travel to project sites and APTIM offices as required.
  • Core competency in Microsoft Office Products.

ABOUT APTIM

APTIM is committed to accelerating the transition toward a clean and efficient energy economy, building a sustainable future for our communities and natural world, and creating a more inclusive and equitable environment that celebrates the diversity of our communities. We specialize in environmental, resilience, and sustainability and energy solutions, as well as technical and data solutions, program management, and critical infrastructure. For every challenge our clients face, there is an opportunity for APTIM to innovate a fit-for-purpose solution that will raise your organization or community to a new standard of excellence.

What you can expect from APTIM:

  • Work that is worthy of your time and talent
  • Respect and flexibility to live a full life at work and at home
  • Dogged determination to deliver for our clients and communities
  • A voice in making our company better
  • Investment into your personal and professional development

As of the date of this posting, a good faith estimate of the current pay for this position is upto $145,000. Compensation depends 45on several factors including: experience, education, key skills, geographic location of the position, client requirements, external market competitiveness, and internal equity among other employees within APTIM.

Employee Benefits

APTIM Federal Services, LLC is committed to providing an extensive range of benefits that protect and promote the health and financial well-being of our employees and their families through the APTIM Benefits Marketplace https://aptim.makeityoursource.com/.

  • Medical, vision, and dental insurance: Through the marketplace, our employees can choose benefits from five metallic levels and 10 carriers to find the right benefits that work for them in their location.
  • Life insurance
  • Short-term and long-term disability insurance
  • Paid holidays, vacation, and sick leave (eligibility based on company policy and applicable law)
  • 401(k) APTIM offers three 401k plans through the Aon Pooled Employer Plan (PEP). The specific plan you are eligible for depends on the business unit you are in. The details of the largest plan are found here:
    • APTIM 2025 401(k) Plan Features (makeityoursource.com)
    • APTIM - Helpful Documents

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Salary : $145,000

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