Maintenance Mechanic (Greenhouse)

The Maintenance Mechanic is responsible for servicing and repairing the specialized mechanical, electrical, and climate-control systems in CMI’s customer’s agricultural greenhouse located in Beltsville, MD. Key Job Functions Inspect, repair, and calibrate automated environmental controls (heating, cooling, ventilation, humidity, and CO₂ scrubbers) to maintain precise growing conditions. Diagnose and fix malfunctions in commercial watering systems, injectors, pumps, and water filtration equipment. Perform preventative maintenance on boilers, backup generators, heavy machinery (like tractors and forklifts), and motorized transport carts. Respond quickly to emergency equipment breakdowns, identify the root cause of mechanical or electrical failures, and execute repairs safely. Log all maintenance and repair activities, manage spare parts inventory, and order replacement components. Adhere to strict OSHA and facility safety guidelines, including hazardous material handling and equipment lockout/tagout procedures. Performs other maintenance mechanic related duties as required High School Diploma or Equivalent At least 3 years of hands-on mechanical, electrical, or industrial maintenance experience (greenhouse or agricultural operations preferred) Must be skilled in general maintenance tasks related to building utilities and other facility utility systems Strong working knowledge of pneumatics, hydraulics, plumbing, 3-phase electricity, and automated control software. Ability to work in environments with extreme temperatures, stand for long periods, and comfortably lift up to 50 lbs. 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 to learn more about our company!