Job 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 nearly 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 a highly motivated, self-driven Environmental Scientist/Geologist for our Oakland and Sacramento, CA offices. In this role, the successful candidate will support Project Managers in the planning, oversight of fieldwork, and evaluation of hydrogeologic and environmental data for a wide range of multidisciplinary environmental projects. Projects include large Federal clients, refineries, and numerous commercial clients.

The ideal candidate is an excellent communicator, technically capable, and has an awareness of relevant environmental regulations. This position includes both field and office responsibilities with opportunity for growth while working alongside experienced engineers and scientists on environmental site assessments, remediation, and environmental support projects.

The responsibilities of this position include, but are not limited to:

• Manage and perform field-based tasks for environmental investigation and remediation programs.
• Oversee and lead field activities including monitoring well installation, soil, groundwater, and vapor sampling using standard environmental drilling and sampling techniques.
• Conduct environmental site assessments, remedial support, and solid waste-related projects.
• Interpret and record data, conduct analyses, and compare findings to relevant studies and local, state, and federal regulations (including RCRA and CERCLA) to ensure compliance.
• Perform data management, evaluation, and technical report writing, including environmental investigation reports, work plans, conceptual site models, monitoring reports, well installation documentation, and closure reports.
• Prepare clear, accurate, and comprehensive technical reports to support project objectives and regulatory requirements.
• Coordinate and interface with local and state regulatory agencies, clients, and subcontractors.
• Apply strong analytical, numerical, and problem-solving skills to evaluate environmental data and develop recommendations.
• Detect and troubleshoot issues encountered during fieldwork, including sampling conditions, drilling challenges, and equipment performance.
• Apply appropriate scientific methods and propose analytical techniques to support project objectives.
• Conduct specific phases of projects under general supervision while supporting senior staff.
• Assist in providing technical recommendations and consulting services within area of expertise.
• Utilize standard business and technical software tools, including Microsoft Office and, as applicable, GIS and AutoCAD.
• Demonstrate strong written and verbal communication skills in both field and office settings.
• Maintain high attention to detail, organization, and time management while managing multiple project priorities.
• Work independently as a self-starter while contributing to a collaborative team environment.
• Demonstrate willingness and ability to work outdoors in varying and sometimes challenging field conditions.
• Demonstrate flexibility to work on diverse projects, extended hours, and varying locations.
• Travel to project locations, including regional day travel and overnight stays (expected travel may exceed 50%).
• Mentor junior staff and maintain commitment to workplace health and safety.

Qualifications

Minimum Requirements

• Bachelor’s degree in geology, environmental science, engineering, or related field (e.g., hydrogeology, geophysics, geochemistry).
• 2+ years of relevant experience or demonstrated equivalency of education and experience.
• Valid U.S. Driver’s License.
• U.S. Citizenship or permanent residency required. Sponsorship is not available for this role.

Preferred

Qualifications

• Master’s degree in a related field.
• 4+ years of relevant experience. 
• Professional Geologist (PG) license or Geologist-in-Training (GIT) certification.
• Current OSHA 40-hour HAZWOPER certification.
• Familiarity with environmental drilling techniques and field sampling methods. (now reinforced in responsibilities)
• Knowledge of RCRA and CERCLA processes. (now reinforced in responsibilities)
• Experience working with local and state regulatory agencies. (now reinforced in responsibilities)
• Experience preparing technical reports including site investigations, monitoring reports, and work plans. (now reinforced in responsibilities)
• Task or project management experience.
• Proposal writing experience is a plus.

Additional Information

All your information will be kept confidential according to EEO guidelines.

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. 

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