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On-Site Environmental Technician - Industrial Wastewater Plant Operator and Compliance Inspector

AECOM2

Denver, CO, United States permanent

Posted: December 19, 2025

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Quick Summary

We are seeking an On-Site Environmental Technician - Industrial Wastewater Plant Operator and Compliance Inspector to join our team in Denver, CO. The ideal candidate will have experience in environmental compliance and wastewater treatment, with a strong background in industrial operations and a passion for sustainability.

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 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 creative, talented Environmental Technician for immediate employment for Industrial Wastewater Treatment Plant (WWTP) operations and compliance inspections for a Class 1 Railroad located in Denver, Colorado and supporting various sites in Colorado, Wyoming and western Kansas.  Duties include the following:

• Operating the WWTP to meet the required discharge limits during routine influent and treatment conditions outlined in the associated Permit.
• Operating the WWTP in a safe and professional manner, including maintaining required training and certifications including e- RAILSAFE, Contractor Orientation, and Roadway Worker Protection.
• Confirming proper operation and testing of the WWTP after repairs, maintenance, or cleaning.
• Participating in BNSF Bi-Monthly WWTP Operator calls, and annual BNSF WW Conference.
• Perform all inspections utilizing the BNSF’s EAM system.
• Perform routine cleaning of the equipment associated with WWTP operations.
• Coordinating and/or assisting with WWTP repairs, maintenance, and cleaning utilizing the EAM system.
• Read, understand, and follow published test methods and standard operating procedures, including company and client specific programs.
• Produce accurate and complete documentation of operation, inspections, and compliance according to standard operating procedures.
• Show initiative in maintaining and repairing equipment, ordering, and organizing supplies and maintaining work area.
• Effectively work both independently and in a team environment.
• Effectively communicate with site representatives regarding schedules and task requirements.
• Preform SPCC, SWPPP, and RCRA inspections at various locations in Colorado.
• Keep well organized files and documentation to meet regulatory requirements.
• Performs a variety of tasks in support of project staff.
• May gather and maintain specified records of scientific data for supervisor, including but not limited to environmental sampling, operations and maintenance and inspections at client sites.
• Other activities may include assisting with calculations, setting up and operating equipment, inspecting equipment and installations for compliance with specifications and maintaining proper project documentation. 
• Collects and enters data and applies technical principles and theories under supervision.
• Participate in other environment-related projects and tasks as required, and support WWTP operations at other client facilities under direction of staff, as necessary.
• Performs standardized or prescribed assignments involving a sequence of related operations. 
• Conducts a variety of standardized tests and may prepare specimens; Sets up and operates standard laboratory testing equipment of moderate complexity. 
• Records test data and provides observation and interpretations of it. 
• Performs fieldwork, including but not limited to environmental sampling, operations and maintenance and inspections at client sites. 
• Other activities may include assisting with calculations, setting up and operating equipment, inspecting equipment and installations for compliance with specifications and maintaining proper project documentation.
• Knowledge of environmental regulations, practices, and procedures; recognizes differences or changes that would indicate the need for attention.
• Receives and maintains required safety training including OSHA 40-hr HAZWOPER Training with annual 8-hr refresher, 30-hr OSHA Training, client-specific training, and regulatory specific training.

Minimum Requirements:

• High School Diploma +4 years' experience in Construction and Maintenance or relevant Wastewater Treatment Plant (WWTP) experience or demonstrated equivalency of experience and/or education.
• Must pass a State and Federal criminal history/security background check.
• Must be able to successfully complete initial and random screening requirements including drug, breathalyzer, urine and/or hair test.
• Valid US Driver’s License to operate an AECOM provided vehicle for travel to various project site(s) to support project task(s) assignments and scope of work. For positions with driving responsibilities, Motor Vehicle Records are reviewed as part of AECOM’s background check process to ensure compliance with the Company’s driving standards.
• Candidate must be able to meet medical clearance requirements of an OSHA (HAZWOPER) medical surveillance physical exam.
• Position requires availability for on-call duty. Employees who work on-call are expected to be available to work outside on their normal work schedule including weekends, on short notice.
• Position is primarily fieldwork: daily tasks require moving and working in outdoor environments with uneven terrain and variable environmental conditions including heat, cold, dusts, dryness, noise, moisture, vibration, and chemicals to perform daily walk-throughs, inspection of worksite, environmental sampling, and operations and maintenance tasks. Also, a portion of the daily work is unaccompanied in isolated/remote areas.
• Position requires frequent (more than 50% of the workday) repetitive bending/stooping, to perform environmental sampling tasks.
• Position requires ability to operate office computer and field tablet to enter data tracking requirements.
• Position requires frequently lifting, carrying, and loading equipment weighing up to 50 lbs. such as sample coolers and pumps without assistance and up to 75lbs. with assistance.
• On occasion position requires working with arms above shoulder level and using ladders.
• Position will include wearing associated personal protective equipment, including but not limited to gloves, safety glasses/goggles, safety shoes/boots, hard hat, and hearing protection.

Preferred Requirements: 

• Aptitude for operation and maintenance of mechanical and electrical equipment.
• Experience with Microsoft Word and Excel.
• Ability to record data neatly, accurately, and legibly.
• Prior Health and Safety experience.

• Sponsorship opportunities for US Employment Authorization are not available for this position
• Relocation assistance is not available for this position
• In order to receive a security badge at the client worksite for which you are being hired to perform services, you will be required to pass the client's background, medical and drug screening requirements, which will be done after you have commenced employment and is a condition of your continued 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 2024. 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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