Environmental Scientist III

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 Environmental Scientist  to be based out of our Fort Collins or Denver office. This position will support our Remediation team within our Environment business line. This position is expected to begin within a month. 

In this role, the selected applicant will be responsible for working on investigation and remediation projects while managing AECOM staff, subcontractors, technical delivery, stakeholder engagement/communication, and financial management.

The selected candidate will also assist project and program management with design and implementation of soil, groundwater, sediment and surface water investigative and remediation programs, data analysis, and report preparation.

This position will also assist in the performance of regulatory compliance inspections, sampling, and reporting associated with the implementation of permit and/or regulator requirements for commercial/industrial facilities.

The job responsibilities for this position will include but are not limited to:

• Performs standard and more advanced scientific work requiring application of techniques and procedures.
• Detect problems when using standardized procedures because of the condition of sample, difficulties with the equipment, etc. 
• Conducts specific phases of projects for more experienced scientists. 
• Proposes appropriate analytical methods and techniques. Assists in providing advice and consulting services within scope of scientific knowledge. 
• Draw conclusions and make recommendations based on analysis.
• Collaborate with team members and project managers to meet client needs on schedule and within budget.
• Utilize various techniques to generate data from remedial or investigative field work.
• Field work includes but is not limited soil/groundwater/vapor sampling, soil boring/monitoring well installations with various drilling techniques (i.e., DPT, HSA, sonic, air rotary, mud-rotary, etc.), operations and maintenance of remedial systems, etc.
• Interprets and records data, conducts analyses, compares findings to relevant studies and local, state, and federal regulations to ensure compliance.
• Mentor and train junior staff.
• Work independently or with minimal direction to prepare draft technical documents.
• Flexible with working extended hours and locations, travel may be greater than 50 percent of time (local to Colorado however). 

Qualifications

Minimum Requirements

• BA/BS + 4 years of related experience or demonstrated equivalency of experience and/or education
• Valid U.S Driver's License and as a condition of employment, must pass AECOM's Motor Vehicle Records Review
• Due to the nature of this work, U.S. Citizenship is required.
• Medical Surveillance is required
• Successful candidates must pass a pre employment drug screen

Preferred

Qualifications

• 7+ years of experience performing and leading site investigations that included soil/groundwater/vapor sampling, soil boring/monitoring well installations with various drilling techniques analytical data interpretation and reporting.
• Understanding of site assessment and remediation associated with upstream oil and gas sites.
• Knowledge of Colorado ECMC regulations.
• Experience with groundwater modeling and numeric computing environments
• Current Professional Licensure, certifications, and/or accreditations
• Familiarity with Colorado and Federal Environmental Regulations
• OSHA 40-hour HAZWOPER training certification.
• Experience and confidence to work independently to produce high-quality deliverables on time and on budget.
• Proficient technical writing (remedial investigation reports, corrective action studies, etc.)

•  

Additional Information

• No sponsorship will be provided for this role
• No relocation is provided with 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.