Salary : $172,270.88 - $209,400.75 Annually
Location : Santa Rosa, CA
Job Type: Full-Time
Job Number: 26/07-5057-O
Department: Sonoma County Water Agency (WTR)
Division: SCWA - General (7210)
Opening Date: 07/13/2026
Closing Date: 8/3/2026 11:59 PM Pacific
Bargaining Unit: 50

Position Information
The Maintenance Mechanic Services team at the Sonoma County Water Agency (Sonoma Water) is seeking an enthusiastic and collaborative Water Agency Coordinator.
At Sonoma Water, Water Agency Coordinators plan, assign, and lead the work of personnel engaged in water production, wastewater treatment, water transmission, and fleet maintenance. The Water Agency Coordinator - Maintenance Mechanic Services is responsible for directing the work of mechanics performing mechanical maintenance, repair, and construction at drinking water production and treatment, wastewater treatment, and wastewater collection facilities. This position will oversee mechanical maintenance of the Mirabel and Wohler radial collector wells and drinking water production facility, the Mirabel River Diversion Structure, the Russian River Wastewater Treatment Plant, and the 11 wastewater lift stations in the Russian River County Sanitation District collection system. Additionally, this position will also be responsible for the following:

• Coordinating with Water/Wastewater Operations, Electrical/Instrumentation Maintenance, Supervisory Control and Data Acquisition (SCADA), Engineering, Environmental, and external partner agencies to schedule and execute work safely and with minimal service impact
• Providing knowledgeable feedback on capital project designs and on operations, maintenance, and asset management plans, using field experience to support maintainability, reliability, and lifecycle cost
• Establishing specifications, collaborating with Engineering on major purchases, and managing procurement, including requisitions, vendor coordination, bids, and contracts
• Collaborating with the construction management team during capital project work, supporting the planning and execution of shutdowns and operational changes needed to tie construction into existing facilities, as well as equipment installation, startup, and turnover to operations and maintenance
• Managing budget tracking for the section, developing material, equipment, and labor cost estimates, and approving invoices and purchase requisitions
• Supervising mechanic staff, including the Lead Mechanic; conducting performance evaluations, developing training plans, and administering safety programs and performance improvement actions when needed

The most qualified candidates for this position will be innovative, lifelong learners with an interest in developing themselves and those around them. They will also possess many of the following:

• Significant experience (five or more years) working as a Water/Wastewater Utility mechanic
• Demonstrated supervisory or lead worker experience over mechanic staff, including scheduling, performance management, mentoring, and training
• Experience providing comments and feedback on capital project designs and on operation, maintenance, and asset management plans for water and wastewater facilities
• Experience making presentations to a Board or in other public settings discussing utility-related plans and/or programs
• Familiarity with environmental regulations and resource agency consultation processes governing work in and adjacent to waters of the United States, including Clean Water Act Sections 404 and 401 (USACE, RWQCB), the federal Endangered Species Act and California Endangered Species Act (NMFS, USFWS, CDFW), CDFW Section 1602 Lake or Streambed Alteration Agreements, and CEQA/NEPA compliance

The following certifications and trainings are also desired, not required:

• Cross Connection Control Specialist certificate (identified as highly desirable in the class specification) for supporting maintenance work on backflow prevention assemblies throughout the water production and transmission system
• CWEA Mechanical Technologist certification (Grade III or IV preferred) for validating journey-level or supervisory-level mechanical maintenance competency in drinking water and wastewater settings
• NFPA 70E electrical safety training for supporting safe work practices around the section's substantial electrical infrastructure including high-horsepower pump motors, MCCs, switchgear, and generators
• Training in lockout/tagout and other hazardous energy controls

Employees of Sonoma Water are employees of a special district and are not subject to the provisions of the Civil Service Ordinance of the County of Sonoma.

What We Offer

Working at the County of Sonoma offers expansive opportunities for growth and development, the ability to be a part of a challenging and rewarding work environment, and the satisfaction of knowing you're working to better our communities. You can also look forward to flexible work arrangements and excellent benefits* including:

• Hybrid Telework - A schedule that meets the needs of our staff, department operations, and the communities we serve may be available depending on the assignment
• Salary Advancement - A salary increase after 1,040 hours (6 months when working full-time) for good work performance; eligibility for a salary increase for good performance every year thereafter, until reaching the top of the salary range
• Paid Time Off - Competitive vacation and sick leave accruals, 12 paid holidays, and an additional 8 floating holiday hours per year
• Staff Development/Wellness - Annual benefit allowances of up to $2,000 and ongoing education/training opportunities
• County Paid Health Premium Contributions - 100% premium contribution for the majority of employee-only and employee + family health plan options
• Post-Retirement Health Reimbursement Arrangement - County contributions to help fund post-retirement health insurance/benefits
• Retirement - A pension fully integrated with Social Security
• Incentive Retirement Savings Plan (IRSP) and 457 Voluntary Deferred Compensation - 3%/ of salary County contribution to a 401(a), in addition to the County matching up to 1% of base salary in 401(a), based upon employee contribution
• Paid Parental Leave - May be eligible for up to 8 weeks (320 hours) after 12 months of County employment
• Additional Benefits - Excellent dental, vision, disability, life insurance, employee assistance program, professional development, and more
• Student Loan Debt Relief - County employees may be eligible for through the U.S. Department of Education

*Salary is negotiable within the established range. Benefits described herein do not represent a contract and may be changed without notice. Additional information can be found in the and our

Sonoma Water is currently recruiting to fill a Water Agency Coordinator - Maintenance Mechanic Services position. This employment list may also be used to fill future full-time, part-time, or extra-help positions as they occur during the active status of the list. Qualified County employees who wish to be considered for future positions should consider applying to this recruitment. The formal title for this position is Water Agency Coordinator.

Application submissions require the Supplemental Questionnaire to be completed.
Minimum Qualifications
Any combination of education and experience which would provide the opportunity to acquire the knowledge and abilities listed. Normally, five years of recent experience in construction, maintenance, and inspection projects, and/or in flood control and/or in water and wastewater treatment and disposal; and/or in engineering and/or in public works project experience; and/or in water and wastewater laboratory procedures, and/or in installing, maintaining, repairing, calibrating and replacing electrical equipment and machinery, including one year of experience in a supervisory capacity or two years of experience in a lead capacity, would provide such opportunity.

License: Possession of a valid driver's license at the appropriate level including special endorsements, as required by the State of California, may be required depending upon assignment to perform the essential job functions of the position.
The position advertised in this announcement does require possession of a valid California Driver's License.

Maintenance Mechanic Services:Incumbent must possess a California Water Treatment Plant Operator Grade T1 certificate and a California Water Distribution Operator Grade D3 certificate. A California Water Treatment Plant Operator Grade T2 certificate must be obtained within two years and a California Water Distribution Operator Grade D5 certificate must be obtained within six years. A Cross Connection Control Specialist Certificate is highly desirable

Education
Maintenance Mechanic Services/Maintenance Worker Services/Water/Wastewater Operations:Academic course work, which directly relates to the knowledge and abilities listed. Course work in planning, engineering, physical or biological sciences or a four-year college degree is highly desired.
Knowledge, Skills, and Abilities
For all units:

Considerable knowledge of: occupational hazards and modern safety practice in the operation of water and wastewater facilities and in the maintenance of flood control channels; preventive maintenance requirements; effective utilization and standards for vehicles, light and heavy equipment, machines and power and hand tools; effective methods of supervision and of training personnel; organizational and occupational safety practices and procedures especially those connected with work on high voltage, electrical, mechanical equipment, equipment operating under high pressure and chlorination equipment.

Thorough knowledge of: methods, materials, tools and equipment used in Water Agency projects; principles and techniques of effective supervision and training.

In addition to the knowledge listed above, incumbents must possess additional knowledge, identified below, depending on job assignment.

Maintenance Mechanic Services:
Thorough knowledge of: methods, materials, tools, equipment, practices, and procedures used in the construction, installation, operation and technical maintenance of water and wastewater treatment and distribution facilities and systems including such systems as electric motors and generators, diesel engines, switch gears, automatic chlorine, caustic soda and hydrogen sulfide injectors, pipeline hydraulic systems, pumps, valves and meters, cathodic protection and related equipment.

Working Knowledge of: generally accepted methods of management and administration; budgeting and financial considerations pertaining to operations and maintenance, and working within established budgets; budgeting and financial considerations pertaining to maintenance and construction projects; and requisition procedures.

Ability to: plan, schedule, and coordinate the work of a large group of entry-level, semi-skilled, skilled and supervisory and lead personnel; analyze situations and adopt effective course of action; develop, conduct and/or coordinate training, employee evaluations, and industrial safety programs; deal tactfully, effectively and harmoniously with employees, co-workers, other County departments, other public agencies, and the public; use electric meters and a variety of mechanical tools; interpret field engineering drawings and sketches; perform basic mathematical and geometric calculations; communicate effectively, both orally and in writing; maintain records and write reports; keep abreast of current developments in the fields of water distribution centers/wastewater systems/laboratory science/telemetry and programmed logic controls/flood control; prepare requisitions of supplies and materials; prepare clear and concise written reports; and speak, read and write English at a level appropriate to job success; learn and understand considerations needed for stream maintenance and re-vegetation projects in urban and natural settings compatible with the desired function of flood control; and learn and understand Federal, State and local laws, regulations, current programs and court decisions pertaining to environmental protection.
Selection Procedure & Some Helpful Tips When Applying

• Your application information and your responses to the supplemental questions are evaluated and taken into consideration throughout the entire selection process.
• You should list all employers and positions held within the last ten years in the work history section of your application. Be as thorough as possible when responding to the supplemental questions.
• You may include history beyond ten years if related to the position for which you are applying. If you held multiple positions with one employer, list out each position separately.
• Failure to follow these instructions may impact your competitiveness in this process or may result in disqualification.

Please visit to review more detailed information about the hiring process, including the application process, examination steps, and department selection process.

Application