BAS Controls Mission Critical Service Technician
Job in
San Antonio, Bexar County, Texas, 78208, USA
Listed on 2026-10-10
Listing for:
Liberty Personnel Services, Inc.
Full Time
position Listed on 2026-10-10
Job specializations:
-
Trades / Skilled Labor
Field/Service Technician, Maintenance Technician / Mechanic, Installation Technician
Job Description & How to Apply Below
My client is the largest independent commercial HVAC manufacturers’ rep in North America , with 20 locations in the US and Canada. You would become part of the best team in Commercial HVAC, Refrigeration, and of course, BMS and Industrial Controls.
Key Responsibilities- Perform preventive and corrective maintenance on data center controls and automation systems
, including but not limited to: - BAS/BMS controllers and field panels.
- EPMS and power-monitoring interface points
. - DCIM-adjacent monitoring and integration points.
- Control panels, relays, terminal blocks, low-voltage wiring, and communication modules.
- Temperature, humidity, differential pressure, static pressure, airflow, leak detection, and equipment status sensors.
- CRAH/CRAC, AHU/RTU, fan wall, chilled water, pump, cooling tower, adiabatic, and liquid-cooling control interfaces.
- UPS, generator, ATS/STS, switch gear, PDU, RPP
, and electrical monitoring points where applicable. - Alarm points, trend logs, graphics, setpoints, schedules, and sequence-of-operation logic.
- Execute work through the approved field management system using approved. MOPs, SOPs, EOPs, and change-management processes.
- Maintain awareness of redundancy, upstream/downstream impacts, stacked risk, and potential consequences of controls changes.
- Support alarm response, degraded performance investigations, sensor failures, communication loss, control-loop instability, and emergency service calls per SLA.
- Perform point-to-point verification, sensor validation, command/feedback checks, trend review, and controls readiness inspections.
- Support startup, functional testing, integrated systems testing, and turnover activities as assigned.
- Document work performed, readings, screenshots, trends, deficiencies, alarms, corrective actions, and system conditions accurately.
- Follow strict safety protocols, including LOTO, PPE, low-voltage electrical safety, site access rules, tool control, and live-site restrictions.
- Participate in scheduled maintenance windows, on-call rotations, after-hours response, and outage-support activities.
- Complete required company, data center, controls, OEM, and mission-critical training.
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