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Industrial Mechanic

Brown and Caldwell
life insurance, parental leave, paid time off, paid holidays, tuition reimbursement, 401(k)
United States, California, Los Angeles
1000 Wilshire Boulevard (Show on map)
Feb 23, 2026
Description

The Wastewater Treatment Mechanic performs skilled mechanical work in support of an Advanced Water Purification Facility (AWPF). This role is responsible for the installation, maintenance, overhaul, repair, and testing of mechanical equipment and systems used by the AWPF to achieve its treatment targets. This work directly affects the reliable operation of process pumps (including high-pressure and transfer pumps where applicable), motors and couplings, rotating equipment and mechanical drive components, valves and actuators, chemical feed equipment mechanical components, CIP/flush systems, and mechanical equipment serving membrane and advanced water treatment processes.

Key duties include performing preventative and maintenance and mechanical inspections; troubleshooting and repairing rotating equipment and process machinery; aligning mechanical components; supporting start-ups, shutdowns, and planned outages; documenting work performed, equipment condition, and parts usage in the Computerized Maintenance Management System (CMMS) and required logs; coordinating troubleshooting with operations, electrical, and instrumentation & controls; and responding to mechanical failures affecting plant operations. The Wastewater Treatment Mechanic collaborates with operations, maintenance (including LASan facility O&M as applicable), engineering and manufacturer/vendor technicians to plan and execute work in support of continuous operations.

Detailed Description:

The mid-level mechanical assignment is supporting the reliable operation of an AWPF located within a wastewater treatment plant (WWTP). The AWPF is in one section of the WWTP, but access to the job site still requires driving through the WWTP. This role will be working with rotating machinery critical to the facility. The employee performs work on mechanical equipment that directly affects the plant's process stability. The work includes troubleshooting equipment failures and coordinating maintenance activities with operations, electrical, and instrumentation & controls.

Duties and Responsibilities

Typical duties may include, but are not limited to, the following:



  • Install maintains, overhaul tests, and repairs pumps, rotating equipment, gear drives, couplings, bearings, seals, and associated mechanical equipment
  • Perform alignments, assembly, and repair of mechanical c components and equipment skids
  • Troubleshoots mechanical malfunctions affecting pumps, valves, actuators and process; restores equipment back to service.
  • Support mechanical aspects of membrane and advanced water treatment equipment; flushing/CIO equipment, and associated piping interface plans, recommend improvements and document completed work in computerized maintenance management systems (CMMS). This role participates in safety meetings, job hazard analyses, and lockout/tagout procedures, and ensures adherence to all site safety policies and regulatory standards
  • Perform lubrication, inspection, and preventive maintenance tasks; identifies abnormal conditions and recommend corrective actions.


Safety and Compliance:



  • The employee will follow applicable safety procedures and practices, including lockout/tagout, safe electrical work practices, arc flash requirements, confined requirements, and site-specific procedures. The employee will perform work in accordance with applicable codes and plant standards and will maintain a clean and safe working area. The employee may be required to respond to emergencies and urgent operational issues outside normal working hours.


Minimum Qualifications:



  • Completion of a Recognized mechanical apprenticeship program or documented journey-level mechanical maintenance experience
  • Demonstrated full-time experience performing industrial mechanical maintenance troubleshooting work involving rotating equipment in a wastewater treatment, water treatment, industrial process, or similar facility.


Preferred Skills and Experience:



  • Six to ten (6-10) years of hands-on mechanical maintenance experience in advanced wastewater purification, water reuse, or high purity industrial process facilities on mechanical maintenance experience in advanced wastewater purification, water reuse, or high purity industrial process facilities.
  • Demonstrated experience maintaining and troubleshooting advanced treatment equipment, including:

    • High-pressure and low-pressure pumps
    • Reverse osmosis (RO) and membrane filtration systems
    • UV disinfection and UV/AOP systems
    • Ozone generation and contact systems
    • Chemical feed, clean in place (CIP), and backwash systems
    • Strong working knowledge of rotating equipment associated with advanced treatment processes, including pump alignment, seal replacement, bearing installation, vibration awareness, and lubrication best practices.
    • Proven ability to support membrane system reliability, including mechanical aspects of membrane skids, pressure vessels, piping, valves, actuators, and integrity testing support.
    • Experience diagnosing mechanical failures that impact process performance, water quality, or regulatory compliance, and implementing effective corrective actions in coordination with operations and engineering.
    • Ability to interpret and apply mechanical drawings, P&IDs, OEM manuals, and technical specifications specific to advanced treatment systems.
    • Working knowledge of preventive and predictive maintenance strategies for advanced purification assets, including PM development, failure trend recognition, and reliability improvement recommendations.
    • Proficiency using computerized maintenance management systems (CMMS) to document work, track asset history, manage preventive maintenance, and support compliance and audit requirements.
    • Strong understanding of industrial and treatment specific safety requirements, including lockout/tagout, confined space entry, chemical safety, high-pressure systems, and job hazard analysis
    • Experience coordinating maintenance activities with operations staff, engineers, vendors, and contractors to minimize downtime and support continuous, high-quality plant operation.
    • Ability to provide technical guidance and informal leadership to junior mechanics while maintaining a strong safety culture and high standard of workmanship.
    • High school diploma or equivalent required; completion of a mechanical apprenticeship, trade school training, or specialized OEM training in membranes, pumps, or UV systems preferred.




Work Conditions and Expectations:



  • Work is performed in an active industrial plant environment and may involve exposure to noise, weather, odors, chemicals, and process areas.
  • Position may require participation in on-call rotation and response to after-hour maintenance or urgent operational issues.
  • Physical work typical of industrial maintenance environment is required, including climbing, bending, and handling tools/materials.


Salary Range: The anticipated starting pay range for this position is based on the employee's primary work location and may be more or less depending upon skills, experience, and education. These ranges may be modified in the future.

Location A: $31.00/hr. - $42.60/hr.

Location B: $34.10/hr. - $46.90

You can view which BC location applies to you here. If you have any questions, please speak with your Recruiter.

Benefits and Other Compensation: We provide a comprehensive benefits package that promotes employee health, performance, and success which includes medical, dental, vision, short and long-term disability, life insurance, an employee assistance program, paid time off and parental leave, paid holidays, 401(k) retirement savings plan with employer match, performance-based bonus eligibility, employee referral bonuses, tuition reimbursement, pet insurance and long-term care insurance. Click here to see our full list of benefits.

About Brown and Caldwell Headquartered in Walnut Creek, California, Brown and Caldwell is a full-service environmental engineering and construction firm with 50 offices and 2,100 professionals across North America and the Pacific. For 75 years, we have created leading-edge environmental solutions for municipalities, private industry, and government agencies. We strive to be the company of choice-to our clients, who benefit from our passion for delivering exceptional quality, and to our employees, present and future, who share our commitment to client service, collaboration, and innovation. Join us, and you will find a home where you can do your best work, reach new levels of expertise, and enjoy exceptional development opportunities. For more information, visit www.brownandcaldwell.com

This position is subject to a pre-employment background check and a pre-employment drug test.

Notice to Third Party Agencies: Brown and Caldwell does not accept unsolicited resumes from recruiters or employment agencies. In the event a recruiter or agency submits a resume or candidate without a previously signed agreement and approved engagement request with Brown and Caldwell, Brown and Caldwell reserves the right to pursue and hire those candidate(s) without any financial obligation to the recruiter or agency.

Brown and Caldwell is proud to be an EEO/AAP Employer. Minorities/Women/Disabled and Protected Veterans are encouraged to apply. Brown and Caldwell ensures nondiscrimination in all programs and activities in accordance with Title VI of the Civil Rights Act of 1964.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities

This employer is required to notify all applicants of their rights pursuant to federal employment laws.
For further information, please review the Know Your Rights notice from the Department of Labor.
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