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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.

AECOM is seeking a self-motivated, experienced Geologist for our Denver, Colorado office. In this important position, the successful candidate will support Project Managers in the planning, oversight of fieldwork, and evaluation of hydrogeologic and reporting phases for a wide range of multidisciplinary environmental projects.  Projects include large Federal clients, Refineries, and numerous commercial clients.  The role,has a preference to be based out of Denver, CO.  however other locations can include Boulder, Ft. Collins, Colorado Springs or Glenwood.
The responsibilities of this position include, but are not limited to:

• Manage field-based tasks of environmental investigation and remediation programs.
• Oversee and lead well installation and sampling tasks, and able to communicate with PMs.
• Data management, evaluation and report writing with experience drafting environmental investigation and closure reports.
• Interprets and records data, conducts analyses, compares findings to relevant studies and local, state and federal regulations to ensure compliance.
• Qualified candidates must be comfortable with travel to project locations including driving and overnight stays.
• Expected travel time would be greater than 50 % of the time.  
• Flexibility to work on a multitude of diverse projects, a positive attitude, willingness to mentor junior staff, and commitment to workplace health and safety are imperative.

Minimum Requirements

• Bachelor of Science degree in geology or relevant geological science discipline (e.g., geophysics, hydrogeology, or geochemistry.
• 4+ year's of relevant experience or demonstrated equivalency of experience and or education
• Qualified applicants who are offered a position must pass a pre-employment substance abuse test.
• Valid U.S. Driver’s License.

Preferred Qualifications

• Professional Geologist License or Geologist in Training Certificate.
• Familiarity with common drilling techniques for environmental work.
• Current OSHA 40-hour HAZWOPER certification.
• Knowledge of RCRA or CERCLA processes.
• Experience with local regulatory agencies
• Reporting experience in routine monitoring, site investigation work plans, conceptual site model, and well installation reports.
• Task management or project management experience.
• Proposal writing a plus.

• Sponsorship is not offered for this role
• Relocation is not offered for this role.

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.