Maintenance Mechanic

APTIM • San Diego, CA

14d • 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 safe, reliable, and efficient facility equipment operation while supporting environmental compliance and operational goals.

The role includes following safety and environmental requirements; diagnosing equipment problems; performing preventive, predictive, and corrective maintenance; maintaining pumps, rotating equipment, piping, and valves; and operating maintenance equipment. The mechanic also documents work in a computerized maintenance management system and supports facility maintenance, installations, modifications, fabrication, and reliability 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.

Nice To Haves

• One to three years of relevant experience.
• Technical school training, 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 mechanical issues involving pumps, motors, gearboxes, conveyors, compressors, blowers, mixers, and other industrial equipment; identify root 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 documentation according to maintenance plans and manufacturer recommendations.
• Maintain and repair centrifugal, positive displacement, diaphragm, and sludge pumps; mixers; and associated piping systems, including 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 options through the APTIM Benefits Marketplace.
• 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