Senior Professional Geologist
Quick Summary
Job Overview APTIM is currently seeking a Senior Professional Geologist in California to join our Solid Waste Services Group in the Concord,
Job Overview
APTIM is currently seeking a Senior Professional Geologist in California to join our Solid Waste Services Group in the Concord, CA area and support our growing portfolio of public- and private-sector solid waste projects. Services include:
- Groundwater and surface water monitoring, assessment, and corrective action
- Hydrogeologic investigations and characterization
- Development and evaluation of conceptual site models
- Monitoring well design, installation, rehabilitation, and abandonment
- Groundwater statistical analysis and trend evaluation
- Stormwater monitoring and compliance
- Solid waste regulatory compliance and reporting under site-specific Waste Discharge Requirements (WDRs), General WDRs, and applicable California Title 27 requirements
- Environmental site assessments, investigations, and remediation
- Geotechnical investigations and related environmental support
Our philosophy centers on developing and maintaining a culture of mutual respect and honesty, where people listen generously and speak straight. At APTIM, you can expect countless opportunities to learn, develop business and leadership skills, and engage on a multitude of projects.
Key Responsibilities/Accountabilities
Technical Leadership
- Serve as a technical lead for landfill hydrogeology, groundwater, and environmental compliance projects.
- Lead and support multidisciplinary project teams and complex technical assignments.
- Develop and evaluate conceptual site models and groundwater monitoring programs.
- Review and interpret groundwater monitoring data, statistical evaluations, and groundwater trends.
- Lead the preparation of regulatory compliance reports, investigation work plans, monitoring plans, corrective action studies, and other technical documents.
- Provide senior technical review and QA/QC of reports, work plans, calculations, and other project deliverables.
- Apply knowledge of applicable federal, state, and local environmental regulations to develop practical solutions for clients.
Project & Client Management
- Manage project scopes, budgets, schedules, resources, and technical deliverables.
- Serve as a technical point of contact for clients, regulatory agencies, contractors, and project teams.
- Anticipate client needs, identify potential project challenges, and develop practical and cost-effective solutions.
- Coordinate and attend meetings with clients, regulatory agencies, contractors, and other project stakeholders.
- Support proposal development, scope and fee preparation, business development, and growth of APTIM's California solid waste practice.
- Build and maintain strong relationships with existing and prospective clients.
- Coordinate effectively with APTIM's engineering, environmental, compliance, construction, and field teams.
- Mentor and provide technical guidance to junior geologists, scientists, engineers, and field staff.
Field & Regulatory Support
- Provide senior oversight of groundwater, surface water, soil, and soil vapor sampling and investigation programs.
- Oversee monitoring well installation, development, rehabilitation, and abandonment, as well as other subsurface investigations.
- Coordinate with drilling contractors, laboratories, field personnel, and clients to support field programs.
- Review sampling plans, field documentation, laboratory data, and related technical information.
- Interface with California regulatory agencies, including Regional Water Quality Control Boards, as appropriate for assigned projects.
- Communicate technical concepts, evaluation results, recommendations, and project plans clearly to technical and non-technical audiences.
- Demonstrate and promote a strong Safety First work ethic.
- Perform other project and technical responsibilities as needed.
Basic Qualifications
- Bachelor's or Master's degree in Geology, Hydrogeology, Engineering Geology, or a related geoscience discipline.
- Current California Professional Geologist (PG) license.
- Approximately 15+ years of relevant professional experience with groundwater monitoring, hydrogeologic investigations, regulatory compliance, and technical reporting.
- Experience working with the California State Water Resources Control Board and/or Regional Water Quality Control Boards.
- Strong analytical and problem-solving skills with the ability to evaluate complex geologic and hydrogeologic conditions.
- Current 40-hour OSHA HAZWOPER training and 8-hour refresher certification.
- Excellent written and verbal communication skills.
- Strong organizational and project-management skills.
- Ability to work independently while effectively collaborating within multidisciplinary teams.
- Ability to communicate effectively with clients, regulators, contractors, and internal project teams.
- Ability to perform periodic field work and wear required PPE when project conditions require it.
Preferred Qualifications
- Experience with California Title 27 requirements applicable to solid waste facilities.
- Experience supporting landfill closure and post-closure monitoring and compliance programs.
About APTIM
APTIM enhances the quality of the environment, wellbeing of people, resilience of communities, and opportunity for employees to make a difference, not just a living. A leading professional solutions firm, we specialize in environmental, sustainability, resilience, and infrastructure solutions. Our team of experts provide these integrated solutions for forward-thinking government agencies, commercial and industrial clients, and energy customers. Together, we create sustainable and resilient communities for all.
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 range for this position is $145,800 -$158,900 Per Year. Compensation depends on 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 Environmental and Infrastructure, LLC 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 several carriers to find the right benefits that work for them in their location.
- Company paid and optional Life insurance
- Short-term and long-term disability insurance
- Accident, Critical Illness, and Hospital Indemnity coverage
- 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:
Watch our video:
About APTIM - In Pursuit of Better
Location & Eligibility
About this job
- Pay per year
- $145,800–$158,900 a year
- 123% above the $68,210 median for Other jobs on Jobera (133,430 salaries).
- Who can apply
- United States
- Posted
- Today
Listing Details
- First seen
- November 3, 2026
- Last seen
- November 3, 2026
Posting Health
- Days active
- 0
- Repost count
- 0
- Trust Level
- 68%
- Scored at
- November 3, 2026
Signal breakdown
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