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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.

AECOM is seeking a mid-level Geologist/Hydrogeologist for our Phoenix, Arizona office. Candidates should have at least 2 years of relevant environmental consulting or related experience and a strong interest in field-based work. This role supports a variety of environmental investigation, assessment, and remediation projects throughout Arizona and the Southwest within a collaborative, safety-focused culture, with opportunities for professional growth.

The successful candidate will contribute to the execution of both routine and complex assessment, investigation, and remediation activities, supporting AECOM's commitment to technical excellence, innovation, and regulatory compliance.

The position includes a balance of field and office responsibilities. Candidates should demonstrate flexibility across diverse projects, a strong commitment to health and safety, and the ability to work both independently and within a collaborative team environment.

Responsibilities

• Conduct site characterization and remedial investigations of surface and subsurface impacts using data collected from soil borings, test pits, geophysical surveys, aquifer testing, and sampling of environmental media (soil, groundwater, surface water, sediment, soil vapor, and air) for field screening and laboratory analysis.
• Prepare soil boring logs, interpret vadose zone and groundwater characteristics, identify pathways to environmental receptors, prepare technical reports, and support the development of remedial action plans based on site investigation data.
• Manage field sample chain-of-custody documentation, packaging, and shipment of environmental samples to analytical laboratories.
• Oversee subcontractor field activities related to environmental investigation and remediation projects.
• Support coordination of field activities including utility locating, surveying, drilling, and remediation field efforts under the direction of project managers.
• Communicate effectively with project team members, subcontractors, and clients regarding field activities and changing site conditions.
• Build experience toward professional licensure (e.g., Arizona PG) and/or Site Safety Officer certification.
• Proactively recognize and appropriately address health and safety concerns affecting project teams.
• Support quality assurance and quality control of assigned tasks and project deliverables.

Minimum Requirements

• Bachelor's degree in Geology, Hydrogeology, Geochemistry, Soil Science, Geological Engineering, Environmental Engineering, or related scientific discipline and 2 years of relevant experience, or demonstrated equivalency of education and experience.
• Valid driver's license with acceptable driving record, subject to a motor vehicle records check. 
• U.S. Citizen or U.S. Permanent Resident.
• Ability to travel and perform field work, including overnight travel as required by project needs.
• Successful candidate will have to pass a background check.  

Preferred Qualifications

• Position is based in the Phoenix metropolitan area, with preference for candidates who reside within a reasonable commuting distance of the Phoenix office.
• 3+ years of environmental investigation and remediation consulting experience.
• Experience conducting environmental site assessments, site characterization, groundwater investigations, and remediation projects under Arizona Department of Environmental Quality (ADEQ) programs or similar state regulatory frameworks.
• Experience supporting industrial, commercial, mining, energy, or federal environmental projects.
• Knowledge of environmental sampling methods and experience using field equipment such as GPS units, PID/FID instruments, water quality meters, and electronic data collection systems.
• Experience performing independent field work and overseeing subcontractors.
• Strong technical writing, data management, and verbal communication skills.
• Proficiency with Microsoft Office Suite and environmental data management software.
• OSHA 40-Hour HAZWOPER certification (current or ability to obtain).
• OSHA 10-Hour and/or 30-Hour Construction Safety training.
• First Aid/CPR certification preferred.
• Working knowledge of groundwater systems, hydrogeologic characterization, and environmental regulatory compliance.

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.