Maintenance Mechanic

APTIM • San Diego, CA

15d • Onsite

About The Position

The Machinery Maintenance Mechanic performs journey-level mechanical maintenance, troubleshooting, repair, and installation of industrial equipment and utility systems supporting wastewater treatment, industrial processing, and environmental services operations. The position helps ensure the safe, reliable, and efficient operation of facility equipment while supporting environmental compliance and operational goals.

The role includes preventive, predictive, and corrective maintenance of treatment systems, process equipment, mechanical assemblies, and facility infrastructure. It also involves maintaining pumps and rotating equipment, troubleshooting and repairing piping and valve systems, operating maintenance equipment, recording work in computerized maintenance management systems, and assisting with facility projects and operational improvements.

Requirements

• High school diploma or GED.
• Ability to read and interpret technical manuals, equipment drawings, and maintenance procedures.
• Valid driver's license and acceptable driving record.
• Entry-level candidates will be considered; candidates with 1–3 years of relevant experience are preferred.

Nice To Haves

• Technical school training, an apprenticeship, military mechanical experience, or equivalent industrial maintenance experience.
• Experience maintaining pumps, motors, compressors, conveyors, piping systems, and industrial mechanical equipment.
• OSHA 40-hour HAZWOPER certification or ability to obtain it.

Responsibilities

• Follow OSHA regulations, company safety policies, Lockout/Tagout procedures, confined-space requirements, and environmental, health, and safety standards; participate in emergency response activities as required.
• Diagnose and repair mechanical issues involving pumps, motors, gearboxes, conveyors, compressors, blowers, mixers, and other industrial equipment; identify failure causes and implement corrective actions.
• Perform preventive, predictive, and corrective maintenance on treatment systems, process equipment, mechanical assemblies, and facility infrastructure.
• Repair or replace bearings, seals, gaskets, belts, valves, and other mechanical components.
• Carry out scheduled maintenance, inspections, lubrication, equipment testing, and maintenance documentation in accordance with maintenance plans and manufacturer recommendations.
• Maintain and repair centrifugal, positive-displacement, diaphragm, and sludge pumps, mixers, and associated piping systems; perform alignment and operational checks.
• Inspect, troubleshoot, and repair process piping, valves, manifolds, fittings, pressure-relief devices, tanks, and related flow-control equipment.
• Safely operate forklifts, skid steers, aerial lifts, pressure washers, grinders, welding equipment, power tools, and other maintenance equipment as needed.
• Document maintenance activities, labor hours, equipment conditions, and repair history in CMMS platforms such as MAXIMO or similar systems.
• Assist with facility maintenance projects, equipment installations, modifications, fabrication, and operational improvement initiatives to improve reliability and efficiency.

Benefits

• Medical, vision, and dental insurance.
• Company-paid and optional life insurance.
• Short-term and long-term disability insurance.
• Accident, critical illness, and hospital indemnity coverage.
• Paid holidays, vacation, and sick leave, subject to company policy and applicable law.
• 401(k) plans.

What This Job Offers

• Job Type: Full-time
• Career Level: Entry Level
• Education Level: High school or GED