Controls Service Tech II

Comfort Systems USA • Fort Worth, TX

10d

About The Position

The Controls Technician II - Service reports to the Service Manager and independently troubleshoots, services, repairs, commissions, and supports building automation systems. The role supports time-and-material service requests, planned maintenance agreements, and small service projects, delivering reliable, secure, and user-friendly automation solutions while maintaining technical expertise and customer satisfaction.

The technician works with customers and other project stakeholders to ensure system operation, demonstrates and verifies functionality, trains customers, documents completed work, and follows applicable safety, cybersecurity, customer-site, and company requirements. The position may involve after-hours service calls, system cutovers, commissioning, and on-call support as required.

Requirements

• At least 3 years of commercial building-automation, HVAC controls, low-voltage, or closely related experience.
• Ability to read control drawings, wiring diagrams, points lists, sequences of operation, and equipment information.
• Ability to use digital meters, laptops, controls software, and mobile documentation tools safely and accurately.
• Working knowledge of HVAC systems, low-voltage electrical practices, and IP or field-bus networking appropriate to the assigned level.
• Valid driver's license and driving record that meets company requirements.
• Strong safety, troubleshooting, documentation, communication, and customer-service skills.

Nice To Haves

• Experience with Siemens, Honeywell, Johnson Controls, Distech, Tridium Niagara, or similar building automation systems.
• Tridium Niagara certification is strongly preferred.
• Manufacturer certification for building-automation platforms supported by DynaTen.
• Experience with BACnet, Modbus, LonWorks, Niagara, SQL, virtual machines, or third-party system integration.
• Experience in healthcare, data centers, laboratories, central plants, or other mission-critical environments.

Responsibilities

• Independently troubleshoot, diagnose, repair, and optimize building automation systems and associated field devices.
• Review and modify control programs, databases, graphics, workstation configurations, and controller applications to support service activities.
• Install, configure, test, and document controllers, sensors, actuators, relays, network devices, and control wiring according to approved standards and project requirements.
• Perform controller setup, point-to-point checkout, calibration, database loading, graphics verification, functional testing, startup, and commissioning.
• Troubleshoot sequence-of-operation issues, communication failures, integration problems, and network issues using trend data, alarms, software tools, meters, and diagnostic equipment.
• Configure and support workstations, user interfaces, servers, routers, switches, storage devices, and IP-based building automation networks.
• Coordinate with customer IT departments on network connectivity, IP addressing, cybersecurity requirements, monitoring tools, and system integrations.
• Work with customers, building operators, mechanical contractors, electricians, TAB contractors, commissioning agents, engineers, programmers, and project leadership to support successful system operation.
• Demonstrate system functionality, verify performance, train customers on system operation, and obtain customer acceptance of completed work.
• Complete service reports, work orders, daily documentation, deficiency reports, as-built records, backups, and turnover documentation accurately.
• Protect customer operations and system data, maintain assigned tools, software, and test equipment, and escalate conditions that may affect safety, performance, quality, schedule, or warranty.
• Participate in after-hours service calls, system cutovers, commissioning activities, and on-call support assignments as required.
• Comply with electrical safety, lockout/tagout, driving, cybersecurity, customer-site, and company safety requirements.
• Perform other duties as assigned.

Benefits

• Exceptional health, dental, and vision insurance.
• Paid Employee Only Medical Coverage.
• In-house and manufacturer-led training, and leadership development.
• Long-term career growth into operations, sales, and/or leadership.
• Comprehensive benefit package and employer-sponsored memberships.
• 401k match.
• PTO and Holiday Pay.
• Annual incentive program.
• Stable work.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed