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Water and Wastewater Treatment Systems Operator

Dexterra · Beltsville, MD, United States · Posted Jun 23, 2026

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The Water and Wastewater Treatment Systems Operator will perform relevant and related services at the CMI customer site in Beltsville, MD.

Key Job Functions

Operate sewage treatment, sludge processing, and disposal equipment in wastewater (sewage) treatment plant to control flow and processing of sewage

Monitor control panels and adjusts valves and gates manually or by remote control to regulate flow of sewage

Observe variations in operating conditions and interpret meter and gauge readings, and test results to determine load requirements

Start and stop pumps, engines, and generators to control flow of raw sewage through filtering, settling, aeration, and sludge digestion processes

Maintain log of operations and record meter readings

Give directions to sewage-disposal workers in performing routine operations and maintenance

Collect sewage samples using dipper or bottle and conduct laboratory tests using testing equipment, such as colorimeter

Performs other related duties as required

High School Diploma or Equivalent

Must have at least 3 years of experience in operating water and/or wastewater systems.

Must be licensed as Maryland (MD) Water Treatment (class T) and/or MD Wastewater Treatment (Class W5); OR must have at least 3 years of experience of operating Water and/or Wastewater systems, and have a different license classi f ication from the State of MD and have the ability to acquire the required licenses within 6 months

Class D1 Distribution System License is highly recommended and valued

Must have thorough experience of the Maryland Department of the Environment (MDE) water systems operations, maintenance, and reporting requirements

Must submit license(s) with resume

Must be able to fluently read, write, speak, and understand the English language

Must be able to pass a government background check

COMPETENCIES FOR SUCCESS

Teamwork

Results orientation/operational excellence

Holding self and other accountable

Operational business thinking

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

CMI is an equal opportunity employer committed to diversity and inclusion. We are pleased to consider all qualified applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veterans’ status, Indigenous status, or any other legally protected factors. Disability-related accommodations during the hiring selection process are available upon request.

CMI is now a part of the Dexterra Group!

CMI Management LLC is headquartered in Alexandria, VA and is a proven provider of efficient business, technology and facilities management solutions designed to help government and commercial clients reduce operational costs, operate at optimum performance and access the information needed for daily and long-term productivity. CMI has been in business for over 30 years and is well established in the federal contracting arena. Please visit www.cmimgmt.com to learn more about our company!

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