95 Best wastewater treatment Jobs in Denver, Colorado (April 2026)

Plant Maintenance Supervisor

12 days ago

Littleton

Job DescriptionJoin Our Team as a Wastewater Treatment Plant Maintenance Supervisor! Are you a skilled leader who thrives in a hands‑on, technical environment? We’re looking for a Maintenance Supervisor to take charge of maintaining our wastewater treatment plant’s essential assets and keeping operations running safely and smoothly. In this dynamic role, you’ll oversee a mix of administrative, technical, and supervisory work—guiding a talented maintenance team, delegating tasks, and fostering a culture of continuous improvement. You’ll ensure preventative maintenance is planned, completed, and documented, while partnering with other departments to keep activities coordinated and efficient. If you're motivated, organized, and passionate about supporting critical community infrastructure, this is your opportunity to make a meaningful impact every day! Essential Duties and Responsibilities • Plans and directs preventative maintenance tasks, reviews work orders, and prioritizes work demands, assigns staff to a wide variety of plant maintenance projects., • Responds to emergency callouts., • Performs work in accordance with safety policies and procedures., • Effectively communicates with Safety Coordinator to ensure employee training is complete and up to date., • Supervises, instructs and inspects work of the plant maintenance personnel to ensure compliance with policies, procedures and quality standards, proper performance of maintenance work and repairs., • Schedules and coordinates work activities with other departments, sections, and contractors., • Recommend operating practices (SOP’s) and programs for improving all plant operations to the Plant Maintenance & Asset Management Supervisor., • Analyzes and recommends improvements to existing facilities, equipment and operating systems., • Supervises and inspects the work of contractors., • Develops and maintains records, files and databases relating to the wastewater facilities maintenance and operation, utilizing computerized maintenance/asset management systems., • Coordinates activities with other divisions, sections and contractors to avoid interruption of service., • Evaluates the need for and directs emergency responses to wastewater or other related emergencies., • Evaluates, documents and performs employee evaluations., • Assists with developing and monitoring of the plant maintenance budgets., • Performs work in accordance with safety policies and procedures., • Enters and exits confined spaces such as underground vaults and manholes., • Provides support for a variety of special projects by assisting with planning, site preparation, onsite staffing, clean-up and evaluation., • Supervises purchasing of repair parts and spare parts inventory., • Issues written and oral instructions., • Perform other duties and special assignments which may be outside the primary areas of employment., • Assist other sections as needed to complete the goals of the organization., • Provides emergency field assistance to disable equipment as needed and appropriate., • In the absence of the Lead Water Treatment Plant Maintenance Mechanic the Lead Wastewater Treatment Plant Maintenance Mechanic would assume responsibilities for day-to-day assignments and prioritizations for the Water Treatment Plant.Minimum Qualifications, • High school diploma or GED equivalent is required., • A minimum of five years’ experience in the maintenance of wastewater facilities., • Must possess and maintain a valid Colorado Class A CDL with a Hazmat endorsement., • ABC Class III Plant Maintenance Technologist Certification is preferred., • Two years or more supervisory experience is preferred.Necessary Knowledge, Experience, Skills and Abilities, • Skill in operating listed tools and equipment., • Availability to work during non-scheduled hours when necessary., • Must be able to respond to District Facilities within approximately 45 minutes while on call., • Ability to work with minimal supervision and exercise independent judgment while knowing when to seek outside expertise., • Ability to follow through on tasks and adapt to changing priorities, process conditions, and circumstances., • Follow through on assignments and tasks with adaptability to shifting needs., • Maintain effective maintenance and inventory records., • Ensure necessary chemicals, materials, supplies, and equipment are available for section functions., • Strong understanding of the systems and equipment used in water and wastewater treatment, with ability to recognize and diagnose process and system malfunctions., • Strong understanding of mechanical concepts., • Must have excellent organizational and computer skills., • Strong working knowledge of state and federal health and safety requirements, including confined space, spill cleanup, and electro-mechanical equipment safety., • Must be able to read and understand equipment maintenance manuals, technical literature, blueprints, equipment operations, and share critical safety and operational information with employees., • Strong knowledge of water electro-mechanical repair methods and techniques., • Basic understanding of the Clean Water Act requirements and Colorado regulatory enforcement (e.g., Regulation 85)., • Basic understanding of how the District’s wastewater treatment plant operates (headworks, chemical feed, pumping, biosolids, digestion, clarifiers, UV disinfection, reuse system, etc.)., • Basic understanding of the District’s key electrical/mechanical equipment, including proper inspection, maintenance, repair, replacement, and testing., • Knowledge of State and Federal regulatory requirements related to water and wastewater facilities and programs., • Strong mathematical and analytical ability for process control calculations., • Effectively communicate complex technical information both verbally and in writing., • Ability to communicate technical information clearly to contractors, developers, property owners, employees, consultants, and the public., • Work with and manage people from diverse backgrounds and points of view as part of a team., • Capable of effectively supervising and working with others., • Work with diverse teams including conflict management, team building, strategic planning, and performance management., • Establish and maintain effective working relationships with employees, supervisors, other departments, officials, and the public. Other tools such as technical literature, blueprints, O&M Manuals, Material Safety Data Sheets, State, Federal, Local Laws & Regulations, etc. Electronic, general office and breakroom equipment such as personal computers, tablet, cell phone, desk phone, calculator, radio, pager, multi-function printer/scanner/copier, Office 365, database and web-based software, coffee maker, microwave, etc. Physical Demands The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions. While performing the duties of this job, the employee may be required to stand, walk, sit, talk, hear, climb, balance, stoop, kneel, crouch, or crawl. The employee may also be required to use their hands to finger, feel, handle or operate objects, tools, and controls. The employee must occasionally lift and/ or move up to 25 pounds. Specific vision abilities required by this job include close vision, distance vision, and the ability to adjust focus. Work Environment The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions. While performing the duties of this job, the employee frequently works indoors in an office type setting and occasionally works in outside weather conditions. The employee occasionally works in high, precarious places and is exposed to wet and/or humid conditions, airborne particles, toxic or caustic chemicals, and vibration. The noise level in the work environment is usually low to moderate. Work is occasionally performed in potentially hazardous environments, i.e., confined spaces, electrical, infectious, and mechanical hazards. Selection Guidelines Formal application or resume, rating of education and experience, panel interview, reference check, background check and job-related tests might be required. The duties listed above are intended only as illustrations of the various types of work that may be performed. The omission of specific states of duties does not exclude them from the position if the work is similar, related or a logical assignment to the position. The job description does not constitute an employment agreement between the employer and the employee and is subject to change by the employer as the needs of the District’s and requirements of the job change. Our Benefits We prioritize your well-being and recognize the importance of a work/life balance by offering outstanding benefits: Health & Retirement! • 100% paid employee-only medical insurance premiums, • 100% paid employee-only dental & vision insurance premiums, • 100% paid life and accidental death & dismemberment insurance premiums, • 100% contribution match for the pension plan, • Up to 6% employer contribution for the optional retirement planWork/life Balance!, • 80 hours of earned vacation per year, increasing after 5 years, • 80 hours of annual sick leave, • 32 hours of annual personal leave, • 10 paid 8-hour holidaysWellness & Improvement!, • Employee Assistance Program (EAP) for confidential support, guidance, and resources for employees and their families., • Flexible Spending Account (FSA) options for additional medical expenses., • Up to $2,000 a year for education reimbursement., • Highlands Ranch Community Association recreation center pass for a discounted fee. Saving, Planning & Other!, • Optional 457 deferred compensation plan to help employees plan for their retirement., • Generous stipend for personal cell phone. We will be accepting applications for at least two weeks or until the position is filled. Submit applications at highlandsranch.org/apply or if viewing this posting from our career center, click "Apply" below. This is a full-time position working 40 hours per week, typically between the hours of 6:00 a.m. to 4:30p.m., four days per week on-site. May be required to report during non-scheduled hours.

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