Maintenance Mechanic III

Wonderful Citrus

Mission, TX

Estimated pay: Est. $33–$37/hr (market estimate, not employer-stated)

Shift: Full time

**Company Description**

Wonderful Citrus is North America’s leading integrated grower, shipper and packer of fresh citrus, including clementines/mandarins, navel and Valencia oranges, lemons, limes, grapefruits, and other citrus varieties. Wonderful Citrus farms more than 74,000 acres of fresh citrus and has supplier relationships around the world to ensure a year-round supply. Our citrus can be found in all channels of distribution, with our consumer brands most visible in the produce department of grocery stores across the globe under our flagship consumer brands, Wonderful Halos Mandarins, Wonderful Seedless Lemons, and Wonderful Sweet Scarletts Texas Red Grapefruit.

**Job Description**

**Overview:**

Repairs and maintains machinery, mechanical equipment, HVAC/air conditioning systems, and industrial ammonia refrigeration systems such as engines, motors, pneumatic tools, conveyor systems, refrigeration units, ventilation systems, evaporative condensers, ammonia compressors, pumps, vessels, and production machines and equipment.

**Here's what you'll do:**

• Ensure operation of machinery and mechanical equipment by completing preventive maintenance requirements on motors, conveyor systems, mechanical systems, hydraulic systems, pneumatic systems, HVAC systems, industrial ammonia refrigeration systems, and production machines; following diagrams, sketches, operations manuals, manufacturer's instructions, engineering specifications, and P&ID drawings.
• Observes mechanical devices, HVAC equipment, and ammonia refrigeration system components in operation and listens to their sounds to locate causes of trouble.
• Determines changes in dimensional requirements of parts by inspecting used parts; using rules, calipers, micrometers, gauges, and other measuring instruments.
• Diagnoses and repairs all types of electrical systems including electric motors, photo-eyes, sensors, HVAC controls, thermostats, VFDs, motor starters, control circuits, and wiring systems up to 480V.
• Performs troubleshooting, repair, and preventive maintenance on air conditioning, heating, ventilation, refrigeration, and industrial ammonia refrigeration systems.
• Inspects HVAC systems and ammonia refrigeration components such as compressors, condensers, evaporators, pumps, receivers, accumulators, pressure vessels, motors, belts, filters, ducts, valves, refrigerant lines, and safety devices to ensure proper operation and efficiency.
• Repairs or replaces defective HVAC and ammonia refrigeration components including motors, fans, relays, thermostats, contactors, solenoid valves, regulators, pumps, compressors, sensors, pressure switches, transmitters, and refrigerant system parts.
• Monitors refrigerant levels, system pressures, temperatures, oil levels, vessel levels, and equipment performance; checks for leaks and performs repairs in compliance with applicable regulations and safety standards.
• Operates, monitors, and assists in the maintenance of industrial ammonia refrigeration systems, including screw compressors, evaporative condensers, evaporators, recirculation systems, vessels, pumps, and associated controls.
• Responds to ammonia refrigeration alarms and abnormal operating conditions, identifying root causes and implementing corrective actions to ensure equipment reliability and product protection.
• Assists with ammonia system startup, shutdown, pump-out, defrost, and emergency procedures in accordance with company safety policies and Process Safety Management (PSM) requirements.
• Dismantles devices to gain access to and remove defective parts.
• Repairs or replaces defective parts.
• Lubricates and cleans parts.
• Starts devices, HVAC equipment, and ammonia refrigeration equipment to test their performance.
• Sets up and operates drill press, grinder, and other metalworking tools to make and repair parts.
• Controls downtime by informing production workers of routine preventive maintenance techniques and monitoring compliance.
• Documents all work completed on work orders per established procedures.
• Maintains a safe and clean working environment by complying with procedures, rules, regulations, environmental requirements, refrigerant handling requirements, and Process Safety Management (PSM) regulations related to industrial ammonia refrigeration systems.

**Qualifications**

**Here's what you'll bring to the table:**

• Education and/or Experience Typical Maintenance Mechanic III will have one to three years maintenance experience in a manufacturing/food processing environment.
• High school diploma or equivalent required.
• Trade school/occupational training desired but not required.
• Experience working with industrial ammonia refrigeration systems in a food processing, cold storage, or manufacturing environment is highly desired.
• Certificates, Licenses, Registrations: None required. RETA CIRO, CARO, IIAR training, or equivalent industrial refrigeration certifications are preferred but not required.

**Addit