Senior Professional Geologist

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.

• 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.

• 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.

• 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.

• 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…