Location
Description
SALARY
The anticipated hiring range for the Wastewater Treatment Plant Maintenance Supervisor position is $95,985 - $119,982 annually, with a full salary range up to $143,978. The City typically makes offers within the hiring range based on the candidate’s experience and qualifications.
POSITION HIGHLIGHTS
Play a key leadership role in protecting public health, the environment, and critical infrastructure
Ability to improve maintenance programs, implement efficiencies, and strengthen safety practices
Access to ongoing technical training, certifications, and professional development opportunities
DESCRIPTION
The City of Thousand Oaks is seeking a hands-on and technically proficient Wastewater Treatment Plant Maintenance Supervisor to support operations at the Hill Canyon Treatment Plant (HCTP), a 24-hour, Class V advanced tertiary wastewater treatment facility with a 14-million-gallon-per-day capacity that treats an average of eight million gallons of wastewater daily from domestic commercial, and industrial sources. HCTP employs a wide range of sophisticated technologies, including a SCADA system, complex mechanical process equipment, analytical instrumentation and meters, industrial electronic control systems, and power distribution infrastructure.
The Maintenance Supervisor oversees the maintenance of this diverse and critical equipment, including on-site power generation systems such as biogas-fueled cogeneration and photovoltaic solar array that offsets the facility’s energy use. Treated effluent is produced to an advanced tertiary level and reused for agricultural and landscape irrigation, while biosolids are managed and hauled off-site for composting. This role requires strong leadership, sound technical judgment, and the ability to manage shifting priorities in a highly regulated, continuously operating environment, while ensuring safe, reliable, and compliant plant operations.
PRIMARY RESPONSIBILITIES
Plans, organizes, supervises, and evaluates the work of assigned staff; develops, implements, and monitors work plans, processes, systems, and procedures to achieve established goals, objectives, and performance standards.
Plans, directs, and evaluates employee performance; establishes performance expectations and development goals; provides regular coaching and feedback; and recommends recognition or corrective action, consistent with the City’s Personnel Rules and Regulations.
Participates in the recruitment and selection of maintenance staff; coordinates and provides staff training; and works with employees to address performance or skill deficiencies.
Establishes schedules and methods for providing plant maintenance services; identifies staffing, equipment, and material needs; and allocates resources accordingly.
Provides leadership to ensure a high-performance, safety-focused, and team-oriented work environment aligned with departmental and City goals.
Participates in budget development; forecasts funding needs for staffing, equipment, materials, and supplies; monitors expenditure; and recommends budget adjustments as needed.
Performs and oversees complex mechanical, electrical, and equipment maintenance and repair activities.
Oversees and supports the maintenance, reliability, and performance of the Supervisory Control and Data Acquisition (SCADA) system, including coordination with control technologies, operators, and IT staff to ensure system availability, alarm functionality, and integration with plant equipment and processes.
Monitors SCADA system trends, alarms, and performance data to identify equipment issues, support preventive and corrective maintenance activities, and ensure timely response to system or equipment anomalies that may impact plant operations.
Monitors work sites to ensure adherence to safety policies and procedures; responds to and resolves complex operational or equipment-related issues.
Inspects work in progress and upon completion to ensure compliance with City standards, regulations, and operating procedures.
Serves as technical liaison with contractors, consultants, and engineers on mechanical and maintenance-related projects.
Maintains inventory of tools, equipment, parts, and supplies required for efficient plant maintenance operations.
Operates motorized equipment as required and performs physical and hand-on maintenance work in support of plant operations.
Prepares and maintains operational records, reports, and documentation related to maintenance activities.
Maintains current knowledge of industry trends, technologies, and best practices through training and professional development.
Performs related duties as assigned.
Ideal Candidate
Demonstrated leadership skills with the ability to effectively supervise maintenance personnel in a wastewater treatment environment
Strong interpersonal and communication skills
Ability to motivate and lead others while fostering a collaborative, results-oriented team culture
Proven ability to exercise sound judgment and make timely, informed decisions
Strong planning, organizational, and problem-solving skills
EDUCATION
Equivalent to completion of the twelfth grade, supplemented by college-level coursework in mechanical engineering, industrial maintenance, chemistry, biology, or a related field.
Possession of a State of California CWEA Grade III Mechanical Technologist Certificate, or ability to obtain within a specified timeframe.
EXPERIENCE
Six years of increasingly responsible wastewater treatment plant maintenance and repair experience, including at least one year in a lead or supervisory capacity.
Possession of a valid Class C California driver’s license.
CORE COMPETENCIES
Effective Communicator
Team Builder
Strategic Thinker
Results Oriented
Problem Solver and Decision Maker
Planner and Organizer
Technically Knowledgeable
Benefits
The City of Thousand Oaks offers excellent benefits including:
Medical, Dental, Vision, Pension Retirement Plan, 401(a), Retirement Health Savings Plan, Tuition Reimbursement and more. Click here for more information.
Special Instructions
REVIEW OF APPLICATIONS: The first review date is Thursday, January 14th, 2026. Applications and supplemental questions will be reviewed on an ongoing basis. Please note that the recruitment may close without notice at any time after the first review date.
FILING DEADLINE: Open until filled.
SUPPLEMENTAL QUESTIONNAIRE - Applicants are required to complete the Supplemental Questionnaire. This will be used throughout the process to assist in determining each applicant's qualifications for the position.
REASONABLE ACCOMMODATION - The City of Thousand Oaks makes reasonable accommodation for individuals with disabilities to participate in the selection process. If you wish to request an accommodation in order to participate in the selection process, you must inform the Human Resources Department in writing no later than the final filing date. Applicants requesting an accommodation should document the request including the type and extent of accommodations requested to participate in the selection process and/or perform the duties of the job for which applied.
VETERAN'S PREFERENCE - In order to qualify for Veteran’s Preference a Form DD214, or other acceptable proof of service, must be submitted by the deadline date/time noted in the job announcement. Any veteran who has successfully completed all phases of a selection process for employment with the City shall be granted a final interview regardless of his or her ranking on the eligibility list, providing he/she meets the criteria for an eligible veteran.
The provisions of this bulletin do not constitute a contract, expressed or implied, and any provisions contained in this bulletin may be modified or revoked without notice.