Senior Chiller and Central Plant Technician (On-Call)

Mesa Energy Systems, Inc.; San Leandro (CA); On-site; USD 55,000 - 124,000; Full time

Job summary

Mesa Energy Systems, Inc. in San Leandro, CA is seeking an experienced journeyman HVAC technician focused on large-tonnage chillers and central plant equipment.

You will maintain, repair, test, start-up, and commission chillers, cooling towers, pumps, and controls, while coordinating maintenance schedules and safety compliance. This on-site role requires on-call availability, EPA certification, and strong communication with customers, vendors, and the Chiller Field Supervisor.

Qualifications

• 5 years journeyman-level and technical schooling experience.
• Commercial/Industrial air conditioning experience required.
• Chiller, HVAC and Central Plants knowledge.
• EPA certified.
• Valid driver’s license.
• On-call emergency availability.
• Strong oral and written communication skills.

Responsibilities

• Maintain and repair central plant equipment, chillers 100 tons and larger, motors, pumps, valves, controls, cooling towers, vane axial fans, and other auxiliary equipment.
• Overhaul of centrifugal chillers a plus.
• Familiar with rigging and supporting office repairs from delivery to completion.
• Availability for emergency service calls on‑call through rotation.
• End-to-end testing, programming, start-ups and commissioning.
• Schedule and manage site-wide maintenance, troubleshooting and repair duties for chillers, cooling towers and central plant equipment.
• Perform daily and monthly preventative maintenance on all equipment.
• Ensure completion of maintenance within the scheduled month and time frame.
• Maintain positive relationships with customers, vendors and co-workers.
• Provide technical support and troubleshooting, repair and maintenance on-site.
• Attend monthly safety meetings and ensure policy compliance.
• Work with Chiller Field Supervisor on new and existing customer opportunities or issues.

Skills

Journeyman experience

Commercial/Industrial HVAC

Chiller knowledge

HVAC large tonnage

EPA certification

Communication skills

Driver's license

Education

Technical schooling

Job description

Mesa Energy Systems, Inc. in San Leandro, CA is seeking an experienced journeyman HVAC technician focused on large-tonnage chillers and central plant equipment.

You will maintain, repair, test, start-up, and commission chillers, cooling towers, pumps, and controls, while coordinating maintenance schedules and safety compliance. This on-site role requires on-call availability, EPA certification, and strong communication with customers, vendors, and the Chiller Field Supervisor.