Maintenance Supervisor

Delta Diablo
2500 Pittsburg-Antioch Highway, Antioch, California United States  View Map
Posted: Jun 02, 2026
  • Salary: $6,016.13 - $7,312.64 USD Bi-Weekly
  • Salary Top:$7,312.64
  • Apply By: Jul 06, 2026
  • Full Time
  • Building Maintenance
  • Facilities Management
  • Water and Wastewater Treatment
  • Management
  • Summary

    Essential Function

    Under general direction, serves as the head of the maintenance and repair workgroup responsible for directing the processing of machinery, equipment, vehicle, tool, facility, building, grounds maintenance, repair work, and warehouse support. Manages integration of special projects with continuous operations schedules, supports the department's organizational policy and procedural development activity, and supervises workgroup operations in conformance with applicable statutes, regulations, policies, procedures, and technical standards.

    Distinguishing Characteristics

    This is a section supervisory, technical, mechanical, and facility maintenance and repair classification. May be required to work outside of normal business hours to respond to emergency situations or as training or operational needs require.

  • Job Description

    Primary Duties

    Section Supervision: Coordinate and direct the daily work for workgroup operations, set priorities, and work time limits for employees. Establish work and safety rules for daily workgroup operations. Develop operation work schedules, approve or disapprove employee leave requests and payroll records; participate in the recruitment and hiring process for new employees; and coordinate and schedule orientation and training sessions. Facilitate training of employees on new and/or updated work methods and requirements. Regularly monitor and evaluate employee work progress; take appropriate steps to address and correct unsatisfactory job performance and/or behavior; make recommendations for disciplinary or termination actions, and complete necessary documentation related to the recommendation. Formally evaluate employee performance and make recommendations for salary adjustments and formal commendations. Investigate policies, procedures, and practices related to grievances of employees and resolve or respond accordingly. Personally perform the work of subordinates during short periods of staffing shortages or as needed to maintain workflow.

    Work Scheduling and Quality Control: Establish and implement maintenance and repair schedules for preventive and corrective maintenance of water and wastewater system equipment, structures, machinery, and related buildings and grounds; heavy equipment and machinery; trucks and vehicles; and hand and power equipment and tools used in maintenance and repair activities. Review maintenance schedules and determine necessary adjustments; review the accuracy of equipment and facility records; and inspect equipment, facilities, and grounds. Prepare information and data for equipment purchases and maintenance projects involving the application of multiple technical, safety, or regulatory requirements. Direct and monitor the maintenance of warehoused inventories of warehoused parts, materials, and supplies.

    Workgroup Operations: Develop and implement operating policies, procedures, schedules, forms, and controls for use in requesting maintenance and repair services for system, heavy equipment, tools, vehicles facilities, buildings and grounds; maintain work scheduling and work order production systems; maintain warehoused inventories of maintenance and repair parts, supplies, and materials; maintain equipment data, documents and records, and routine servicing of vehicles and equipment in conformance with applicable laws, regulations, policies, and industry methods and control practices.  Coordinate installation and monitor implementation of new or upgraded computerized operations and service systems. Prepare periodic and annual reports and ensure retention of appropriate records. Coordinate operations with other agencies.

    Technical Support: Provide reports, information, and advice on statutory and regulatory requirements, technical standards, and probable operational impacts of proposed staffing, operational systems and equipment, or other policy changes relating to maintenance and repair programs. Provide technical information and advice to departments on water and wastewater service and operations subjects. Prepare time and cost estimates for budget preparation. Participate in multi-disciplinary team evaluations of plant process control and improvement needs. Oversee the Collection Systems workgroup. Coordinate the administration of the USA locator and CMMS systems.

     Other Assigned Duties

    General Operations: Participate in the general administrative operations of the department and the District. Assume responsibility for covering a part of the work assignments of other supervisors or managers during short absences.

    Respond to inquiries and requests from the public, customers, and outside organizations. Participate in teams engaged with process and customer service improvements, cross-training, and team performance evaluations. Participate in District-related civic events and activities of community and technical organizations, and attend meetings and make presentations. Participate in District committees and staff functions. Perform other assigned work which is consistent with the responsibilities assigned to the classification and necessary to the operations of the department and the District.

  • Job Requirements

    Qualifications

    QUALIFYING TRAINING AND EXPERIENCE

    A combination of training and experience that demonstrates an individual has obtained the required knowledge and is able to perform the required work (with reasonable accommodation, if needed). A person with the following combined training and experience would typically qualify to compete in a selection process:

    EDUCATION: High school diploma or equivalent.

    EXPERIENCE: Seven (7) years of increasingly responsible experience performing heavy mechanical equipment and machinery maintenance and repair work at a wastewater, water, or a facility comparable in size and complexity to the District, with at least two (2) years in a lead or supervisory capacity.

     Knowledge of the following is required to perform the essential function:

    • General intent and specific application of federal, state, and local laws and regulations applicable to maintenance and repair of wastewater treatment and conveyance systems.
    • Techniques used in estimating time, materials, and supplies for maintenance and repair projects.
    • Principles of supervision, techniques for training, motivating and developing employee skills, and conducting formal performance
    • Principles of preparing operational and special reports of operations.
    • Practice of coordinating operations with outside
    • Industry practices and technical methods of work order scheduling
    • Techniques used in inspecting large machinery and processing
    • Heavy equipment and machinery safety
    • Systems for equipping and supplying continuous equipment, machinery, vehicle, tool, facility, and grounds maintenance operations through warehousing of parts, material and supplies.
    • Chemical hygiene safety equipment and

    Ability to do the following is required to perform the essential function:

    • Interpret and apply the general intent and specific provisions of multiple laws and regulations to conditions.
    • Develop and implement operating policies and
    • Provide and present verbal and written direction and advice to a wide variety of people.
    • Communicate ideas and assert a point of view in complex or controversial
    • Establish and maintain open and honest communications with co-workers at all levels of the organization.
    • Exhibit and instill in subordinates a high customer service
    • Evaluate, plan, and establish a sequence of action for multiple work projects to progress simultaneously.
    • Read, write, and clearly speak the English language
    • Perform mathematical, statistical, and algebraic calculations common to utility service quantification and public agency budget work.
    • Operate automobiles and electric carts, office computers, and field communications equipment.
    • Operate safety devices and equipment and apply proper safety procedures in hazardous environments.
    • Ascend and descend ladders and
    • Tolerate physical presence at heights of up to 75 feet on outdoor catwalks and exterior walkways of large structures.
    • Withstand periods of physical exposure to the presence of fumes, odors, dust, and pollen without an incapacitating adverse effect.
    • Safely enter and leave confined
    • Safely transport, lift, and handle objects weighing up to fifty (50)

    Physical Demands and Working Conditions

    • Ascend and descend ladders and
    • Tolerate physical presence at heights of up to 75 feet on outdoor catwalks and exterior walkways of large structures.
    • Withstand periods of physical exposure to the presence of fumes, odors, dust, and pollen without an incapacitating adverse effect.
    • Safely enter and leave confined
    • Safely transport, lift, and handle objects weighing up to fifty (50)

     Required Licenses, Certifications and Registrations

    • A valid California State Class C driver's license and insurability under the District's driving program must always be maintained.
    • Possession of a valid California State Class B driver's license with endorsements or must be obtained within six (6) months of appointment or
    • Possession of California Water Environment Association (CWEA) Mechanical Technologist Grade I or Grade II certification at time of appointment or hire.
    • Possession and maintenance of CWEA Mechanical Technologist Grade Ill certification, or must be obtained within two (2) years of appointment or hire.
  • Special Instructions

    Please mention you found this employment opportunity on the CareersInGovernment.com job board.

  • Additional Information

    Employment Conditions

    Specifications Approved by:  Board of Directors on 11/8/2006

    Fair Labor Standards Act Overtime:   Non-Exempt, receives overtime compensation

    Collective Bargaining Representation Unit:   Professional & Technical

    Appointment and Removal Authority:   General Manager

    Amended and Approved by the GM:   06/09/2021

  • ABOUT THE COMPANY

    • Delta Diablo
    • Delta Diablo

    ABOUT DELTA DIABLO

    Delta Diablo (formerly Delta Diablo Sanitation District) is an innovative California special district that provides wastewater resource recovery services for over 214,000 customers in the cities of Antioch and Pittsburg, and the unincorporated community of Bay Point. These services include secondary treatment of wastewater; production and distribution of recycled water; pollution prevention activities; beneficial use of biosolids as a soil amendment at land application sites; street sweeping; and household hazardous waste collection. Delta Diablo owns and operates a water resource recovery facility (WRRF) that provides secondary treatment for an average wastewater flow of 13 million gallons per day (MGD) and tertiary treatment for approximately 6 MGD to produce recycled water for use at two local power plants, a golf course, and schools.

    In addition to meeting its core mission of protecting public health and the environment, exemplified by 16 years with only one NPDES discharge permit violation, Delta Diablo has established a vision of becoming a leader in wastewater resource recovery by embracing innovative technologies, pursuing leading-edge initiatives that add value to ratepayers while benefitting the environment, challenging traditional approaches, and fostering a strong organizational commitment to its core values of Integrity, Teamwork, and Trust.

    Delta Diablo is governed by a three-member Board of Directors that includes a Pittsburg councilmember, an Antioch councilmember, and the Contra Costa County Board of Supervisors Member representing the Bay Point community. Under the Board’s guidance, Delta Diablo has established a Strategic Business Plan that includes goals in five key areas—Financial Sustainability, Leadership, Operational Excellence, Workplace Innovation, and Stakeholder Engagement—as well as specific objectives for each year to continue progress toward meeting these goals.

     The District continues to be recognized as a “Utility of the Future” by the National Association of Clean Water Agencies for its outstanding industry leadership and progressive commitment to innovation, resource recovery, and “cutting-edge” practices. The District’s FY20/21 budget totals $47.1 million, which includes operating and capital budgets of $29.3 million and $17.8 million, respectively. The District’s current 5-year Capital Improvement Program ($81.3 million) guides planning, design, construction, and financing of prioritized capital projects in the District’s wastewater collection, conveyance, and treatment systems, and recycled water system.

    Show more
Phone: 9257561988

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Apply Now Please mention you found this employment opportunity on the CareersInGovernment.com Job Board.
Please mention you found this employment opportunity on the CareersInGovernment.com Job Board.