Environmental Scientist III

Company Description

Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.

There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

Job Description

AECOM is seeking an experienced Environmental Scientist III / Senior Environmental Scientist to join our Environmental Remediation Practice in Richmond, California .

The successful candidate will provide technical leadership and project coordination for environmental investigation, remediation, groundwater monitoring, compliance, and emergency response projects throughout Northern California and the western United States. This position will support a diverse portfolio of industrial, energy, transportation, municipal, and commercial clients while collaborating with multidisciplinary teams of scientists, engineers, geologists, and technical specialists.

The ideal candidate will have strong experience managing environmental field programs, coordinating subcontractors and laboratories, overseeing health and safety compliance, managing environmental data, and preparing technical and regulatory deliverables.

This position will be based in Richmond, California, with opportunities to support projects throughout Northern California and the western United States.

Responsibilities

Technical and Project Leadership

• Lead environmental investigation, monitoring, remediation, and compliance projects from planning through execution.
• Coordinate field schedules, staffing, subcontractors, laboratory services, equipment, and site logistics.
• Develop and implement work plans, sampling plans, health and safety documentation, and project-specific field procedures.
• Support project managers with project planning, budgeting, scheduling, resource forecasting, and client communications.
• Identify project risks and develop solutions to achieve project objectives while maintaining quality, schedule, and budget commitments.

Groundwater Monitoring and Remediation

• Plan and oversee groundwater, soil, sediment, and waste characterization programs.
• Manage groundwater monitoring events and environmental sampling activities.
• Coordinate remedial investigations, corrective action programs, groundwater treatment systems, and in-situ remediation efforts.
• Evaluate environmental data and support development of remedial strategies and technical recommendations.
• Ensure field activities are performed in accordance with project requirements and applicable regulations.

Environmental Compliance

• Support environmental compliance programs for industrial, infrastructure, remediation, and construction projects.
• Conduct environmental inspections, audits, and compliance assessments.
• Monitor project activities for compliance with permits, mitigation measures, Environmental Protection Plans (EPPs), and Storm Water Pollution Prevention Plans (SWPPPs).
• Coordinate with regulatory agencies, contractors, and stakeholders to support permitting and environmental compliance objectives.

Health and Safety

• Implement and enforce site-specific Health and Safety Plans (HASPs), Job Safety Analyses (JSAs), and company safety procedures.
• Lead daily safety meetings, hazard assessments, and pre-task planning activities.
• Support atmospheric monitoring, radiological monitoring, confined-space activities, and other specialized health and safety requirements.
• Promote a strong safety culture through leadership, mentoring, and continuous improvement.

Technical Reporting and Data Management

• Prepare and review technical reports, groundwater monitoring reports, regulatory submittals, and field documentation.
• Perform QA/QC reviews of environmental data, field records, and project deliverables.
• Manage environmental databases and electronic reporting platforms, including EQuIS and GeoTracker.
• Support data validation, interpretation, and presentation of technical findings to clients and regulatory agencies.

Team Development

• Mentor and provide technical guidance to junior environmental professionals.
• Coordinate multidisciplinary teams including environmental scientists, geologists, engineers, biologists, technicians, and subcontractors.
• Support staff development through field training, technical mentoring, and knowledge sharing initiatives.

Qualifications

Minimum Qualifications

• Bachelor's degree in Environmental Science, Geology, Biology, Environmental Engineering, Natural Resources, or a related field and 4+ years environmental consulting or related professional experience (groundwater monitoring, environmental sampling, remediation field activities, and environmental compliance programs, leading project teams, coordinating complex environmental projects, experience preparing technical reports and regulatory deliverables, etc.) or demonstrated equivalency of experience and/or education.
• A valid driver’s license is required, along with the ability to pass a Motor Vehicle Records (MVR) check in accordance with company policy.
• Employment is contingent upon successfully completing a pre-employment background check and drug screen.

Preferred Qualifications

• Experience supporting California environmental remediation programs, including DTSC, RWQCB, and GeoTracker reporting requirements.
• Experience at refinery, chemical, manufacturing, terminal, energy, or other industrial facilities, including CERCLA, RCRA, corrective action, and groundwater remediation programs.
• Experience managing subcontractors, coordinating multidisciplinary project teams, and supporting emergency response and disaster recovery.
• Experience with complex groundwater monitoring and reporting, environmental site investigations, remediation, compliance, and regulatory reporting.
• Proficiency in EQuIS, GeoTracker, environmental database management, QA/QC, data validation, technical report preparation, SWPPP compliance, HASPs, JSAs, atmospheric and radiological monitoring.
• Relevant training and certifications: current OSHA 40-Hour HAZWOPER, OSHA 8-Hour HAZWOPER Refresher, OSHA Site Supervisor Training, RCRA Hazardous Waste Management Training, Radiation Safety or Radiological Monitoring Training, Confined Space Entry Training, and First Aid/CPR Certification.

Additional Information

• AECOM is unable to provide employment visa sponsorship now or in the future for this position.
• Position may involve local and regional travel, field assignments, and periodic overnight travel.

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

About AECOM

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options , well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan.

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com.

What makes AECOM a great place to work

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community—where you have the freedom to grow in a world of opportunity.

As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.