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Wastewater Treatment System Mechanic - Journey (LA-171-26E) Cerritos
- Cerritos, California United States
- LA County Sanitation District
- Jul 12, 2026
- $98,532.00 - $122,412.00 Annually - Full Time
LA County Sanitation District

OUR MISSIONThe Sanitation Districts protect public health and the environment through innovative and cost-effective wastewater and solid waste management, and in doing, so convert waste into resources such as recycled water, energy and recycled materials. ORGANIZATION The Sanitation Districts function on a regional scale and consist of 24 independent special districts serving about 5.5 million people in Los Angeles County. The service area covers approximately 824 square miles and encompasses 78 cities and unincorporated territory within the county. GETTING THE JOB DONE The Sanitation Districts were created in 1923 when a significant number of cities were forming and it was clear that managing wastewater on a regional scale made sense. The Sanitation Districts' purpose was to construct, operate, and maintain facilities that collect, treat, recycle, and dispose of domestic and industrial wastewater. Individual districts operate and maintain the district-owned collection systems. Cities and unincorporated areas within a district are responsible for their smaller local collection systems. Cities and unincorporated parts of the county are also responsible for the collection of solid waste. In the 1950s, it became apparent that solid waste management would benefit from a regional approach. At that time, the Sanitation Districts were given the responsibility to provide for the management of collected solid waste, including disposal and transfer operations, and materials and energy recovery. To maximize efficiency and reduce costs, the 24 Sanitation Districts work cooperatively under a Joint Administration Agreement with one administrative staff headquartered near the City of Whittier. Each Sanitation District has a Board of Directors consisting of the mayor of each city and the Chair of the Board of Supervisors for unincorporated territory. Each Sanitation District pays its proportionate share of joint administrative costs
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Job Details
- $98,532.00 - $122,412.00 Annually
- Full Time
- Jul 12, 2026
Job Description
JOB POSTING

NOTICE OF EXTERNAL JOB OPPORTUNITIES
POSTING #LA-171-26E

WASTEWATER TREATMENT SYSTEM MECHANIC
(Stationary Mechanic - Journey Level)

The Sanitation Districts clean the wastewater of over 5 million people and turn it into resources 24 hours a day, 7 days a week, 365 days a year. Through the operation of 11 wastewater treatment facilities, approximately 510 million gallons per day (MGD) of wastewater are treated, with 165 MGD available for reuse. All of the water reclamation plants are strategically located throughout the County to maximize water reuse and to easily return the cleaned water to local waterways, storage reservoirs, or the Pacific Ocean.

We are now recruiting for a skilled Wastewater Treatment System Mechanic at our Los Coyotes Water Reclamation Plant in Cerritos. The essential functions of this position are to perform more skilled preventive repair and maintenance of stationary equipment and machinery in a wastewater treatment facility. Specialized mechanical machinery used includes, but is not limited to, turbines, boilers, stationary and mobile engines, blowers, various types of pumps such as gear, vane, centrifugal, vertical turbine, and reciprocating, centrifugal and reciprocating air compressors, various types of gearboxes, and hydraulic systems.

This position offers a 9/80 work schedule: Monday through Thursday from 6:30 a.m. to 4:00 p.m., with alternating Fridays worked from 6:30 a.m. to 3:00 p.m. After-hours, overtime, and weekend callbacks may be required. This is an excellent career opportunity with comprehensive benefits, including medical, dental, and retirement plans, as well as paid vacation, sick leave, and holidays. Additional benefit information can be viewed by clicking on the Benefits tab. Initial salary placement will be based on the selected candidate's qualifications.

MINIMUM QUALIFICATIONS

Candidates must possess a valid California Class C driver's license; AND - Four years performing directly related skilled maintenance or craft duties involving the repair and overhaul of a variety of comparable machinery and equipment. Twelve semester units of college coursework or completion of one year of a two-year trade school in a mechanical technology or closely related program may be substituted for one year of the required experience; or graduation from a two-year trade school in a mechanical technology or closely related program may be substituted for two years of the required experience.

NOTE:
The selected candidate must be able to obtain and maintain a valid Class A or B California driver's license within six (6) months of appointment. A crane certification from the State of California is also required. Crane certification involves attendance at training sessions, passing written and/or practical examinations, and providing annual evidence of medical fitness. This training will be provided by the Districts and is mandatory for the individual selected for this position. In addition, the selected candidate must be medically cleared to wear a respiratory protection device and pass a pulmonary function test annually. Incumbents must not wear contact lenses nor have facial hair that would prevent the safe and proper fit of a self-contained breathing apparatus.

EXAMPLES OF ASSESSMENT CRITERIA

The competitive selection process may cover: Knowledge of: Methods, materials and tools used in the repair of large and complex mechanical equipment such as engines, compressors and pumps and their operation; use of precision test equipment and tools; hand tools, welding and cutting equipment, pipe cutters and threaders, valve grinders and various saws; occupational hazards and safety regulations of the trade. The ability to: Diagnose and repair a wide variety of mechanical equipment; read, interpret and work from repair manuals and specifications; use specialized tools and equipment; and instruct apprentices in trade techniques.

ADDITIONAL INFORMATION

This posting will remain open until vacancy is filled and is subject to closure without notice.

SELECTION PROCESS:
All applications will be reviewed to determine if the conditions and qualifications for testing are met.
The selection process will consist of a written test weighted at 50% and an interview weighted at 50%. Both the written test and the interview will be conducted in person.
Candidates must receive a qualifying score on each selection component to move forward in the selection process.

Please apply online at www.lacsd.org within the application period. Resumes will not be accepted in lieu of a completed LACSD Employment application. Check your email regularly throughout the recruitment process as notifications are sent via email. Please make sure that your registered email address is accurate and current. To ensure proper delivery, add info@governmentjobs.com to your contact list.

NOTE : The individual(s) recommended for hire must undergo a job-related pre-employment physical, as well as a reference check, background check, DMV report, and a drug test.

To learn more about how the Sanitation Districts convert waste into resources, please visit the following video: Converting Waste into Resources .

For more information regarding this recruitment, please contact Luz Avila at (562) 908-4288, extension 1329.

As an equal opportunity employer, the Districts strongly encourages people with disabilities and people from historically marginalized communities to apply.

RETIREMENT

CALPERS: The Districts belong to the California Public Employees' Retirement System (CalPERS), and all monthly status new hires will be enrolled in CalPERS. Most new hires will be enrolled in the defined benefit formula of 2% @ 62 in accordance with the Public Employees’ Pension Reform Act (PEPRA) and are required to contribute to the plan (7.75% for the 24/25 fiscal year). Those who qualify based on current or previous public service may be enrolled in the defined benefit formula in place on December 31, 2012, which was 2% @ 55 and are considered “classic” members. For “classic” members, the Districts pay the “employee share.” Please contact the Human Resources Department for more information regarding contribution rates. Although Districts employees are exempt from Social Security, employees are required by federal law to contribute a percentage of their salary for Medicare coverage.

DEFERRED COMP MATCH: For some bargaining units, the Districts provides a matching contribution to an eligible deferred compensation plan pursuant to Section 457 of the Internal Revenue Code. The match with each paycheck will be the lesser of: 3% of the employee's base monthly salary as listed in the Salary Schedule; and the amount the employee is contributing with that paycheck. The annual total combined employee and employer contribution are subject to IRS limits.

COMPENSATION

Employees receive annual salary increases until reaching step 5 of the salary range and are provided with opportunities to promote. Cost of living adjustments are implemented annually in accordance with labor agreements.

HEALTH INSURANCE

MEDICAL: Districts paid. Employees may choose from several HMO and Indemnity plans. As of January 1, 2026, the Districts contribute $2,417.99 per month for medical insurance. Depending on the choice of health plan, the Districts contribution covers all or a large portion of the premium for family coverage.

DENTAL: Districts paid. Employees can choose from prepaid and indemnity dental plans. The Districts pay the full premium for employee and dependent coverage. The indemnity dental plan will has an annual in network maximum of $1,750, and an out of network maximum of $1,000.

VISION: Employee paid.

LIFE: The Districts pay for a term life policy. Employees can buy additional types and amounts of life insurance coverage at group rates.

LEAVE TIME
VACATION: Employees receive 88 hours of paid vacation after one full year of service, increasing up to 128 hours per year after five years, 168 hours per year after 15 years and up to 208 hours after 25 years. Prior to one year of full service, employees are given partial vacation time on January 1, based on the time worked in the preceding year.

SICK LEAVE : Eight hours of full-pay sick leave per month.

PERSONAL LEAVE: Employees may use up to 24 hours per calendar year from current sick leave for personal reasons. Some bargaining units allow up to 40 hours per calendar year from current sick leave for personal reasons.

PAID PARENTAL LEAVE: Employees may use up to 80 hours of paid parental leave for each birth, foster placement and/or adoption (regardless of the number of children involved) as determined by the parental leave policy.

HOLIDAYS
13 paid holidays and one-half paid holiday depending on the employee's work schedule.

TUITION REIMBURSEMENT
Employees may be eligible for tuition reimbursement for approved accredited course work.

STUDENT LOAN PAYMENT REIMBURSEMENT
For some bargaining units, the Districts will provide student loan payment reimbursements for principal or interest paid by the employee on a qualified education loan incurred by the employee for the education of the employee. The annual maximum reimbursement is $5,250 and the lifetime reimbursement limit is $21,000.

WORK ENVIRONMENT & OTHER BENEFITS
A rewarding career contributing to society and the environment.
Flexible work schedules (e.g. 9/80 schedule) depending on the worksite.
Clear policies and procedures.
Health and safety programs.
Carpool opportunities with monetary incentives depending on the worksite.

More detailed benefits information can be found here: Districts Benefits

NOTE: The provisions of this posting do not constitute an expressed or implied contract. Any provision contained in this posting may be modified and/or revoked without notice.

Updated January 2, 2026
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LA County Sanitation District

OUR MISSION

The Sanitation Districts protect public health and the environment through innovative and cost-effective wastewater and solid waste management, and in doing, so convert waste into resources such as recycled water, energy and recycled materials.

ORGANIZATION

The Sanitation Districts function on a regional scale and consist of 24 independent special districts serving about 5.5 million people in Los Angeles County. The service area covers approximately 824 square miles and encompasses 78 cities and unincorporated territory within the county.

GETTING THE JOB DONE

The Sanitation Districts were created in 1923 when a significant number of cities were forming and it was clear that managing wastewater on a regional scale made sense. The Sanitation Districts' purpose was to construct, operate, and maintain facilities that collect, treat, recycle, and dispose of domestic and industrial wastewater. Individual districts operate and maintain the district-owned collection systems. Cities and unincorporated areas within a district are responsible for their smaller local collection systems.

Cities and unincorporated parts of the county are also responsible for the collection of solid waste. In the 1950s, it became apparent that solid waste management would benefit from a regional approach. At that time, the Sanitation Districts were given the responsibility to provide for the management of collected solid waste, including disposal and transfer operations, and materials and energy recovery.

To maximize efficiency and reduce costs, the 24 Sanitation Districts work cooperatively under a Joint Administration Agreement with one administrative staff headquartered near the City of Whittier. Each Sanitation District has a Board of Directors consisting of the mayor of each city and the Chair of the Board of Supervisors for unincorporated territory. Each Sanitation District pays its proportionate share of joint administrative costs
LA County Sanitation District
- California, United States
- https://www.lacsd.org
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