Field Service Engineer – HVAC Controls & Building Automation

The role serves as a technical expert and customer-facing representative, working closely with project teams, service technicians, contractors, facility managers, and end users to deliver high-quality service solutions and lifecycle support.

Field Service & Technical Support

• Perform startup, commissioning, testing, and validation of HVAC and Building Automation Systems (BAS/BMS).
• Troubleshoot and diagnose HVAC equipment, control systems, field devices, networks, and software applications.
• Execute preventive maintenance, corrective maintenance, and system upgrades.
• Analyze system performance and recommend corrective actions to improve reliability and efficiency.
• Support emergency service calls and critical system recovery efforts.

HVAC & Building Automation Systems

• Maintain and optimize HVAC control systems including: 
  • Chillers
  • Boilers
  • Air Handling Units (AHUs)
  • Remote Transmission  Units (RTUs)
  • VAV Systems
  • Fan Coil Units
  • Cooling Towers
  • Pumping Systems
• Configure and support Honeywell Building Management Systems (BMS) and Building Automation Systems (BAS).
• Implement control system modifications, software updates, graphics enhancements, and sequence adjustments.
• Verify proper operation of sensors, actuators, controllers, and field devices.

System Integration & Networking

• Support integration of HVAC and building systems using industry-standard communication protocols, including: 
  • BACnet
  • Modbus
  • LonWorks
  • IP-based control networks
• Assist with controller programming, network configuration, and database management.
• Diagnose communication failures and network performance issues.

Customer Support & Training

• Provide technical support and consultation to customers regarding system operation and performance.
• Develop and maintain strong customer relationships through responsive service delivery.
• Conduct customer training on HVAC controls, BAS operation, and system best practices.
• Communicate findings, recommendations, and service activities through detailed service reports.

Project & Continuous Improvement Support

• Collaborate with project engineering, System engineering, Application Engineering sales, and operations teams, including Global Eng Team
• Support retrofit, upgrade, and modernization projects.
• Assist in identifying energy-saving opportunities and operational improvements.
• Ensure compliance with company safety procedures, quality standards, and customer requirements.

YOU MUST HAVE

• Bachelor’s Degree in Mechanical Engineering, Electrical Engineering, Mechatronics Engineering, Controls Engineering, or a related technical field.
• Equivalent field service experience may be considered.
• 3–5 years of experience in HVAC controls, Building Automation Systems, field service engineering, Application Engineering or technical service support.
• Experience commissioning, maintaining, and troubleshooting HVAC systems, BMS and BAS and control platforms. / Niagara framework
• Experience working directly with commercial and industrial customers.
• HVAC equipment and system operation.
• Building Automation Systems (BAS) and Building Management Systems (BMS).
• HVAC controls, instrumentation, sensors, actuators, and controllers.
• DDC (Direct Digital Controls) systems.
• Network architecture and communication protocols.
• Electrical troubleshooting and control panel diagnostics.
• Energy management and building performance optimization.
• Knowledge of ASHRAE standards and industry best practices.

WE VALUE

• Experience with Honeywell Building Solutions products and software platforms
• Experience with Autocad Software 
• Niagara Framework, Tridium, or similar BAS experience.
• HVAC, controls, electrical, or automation certifications.
• Experience supporting mission-critical and commercial facilities.
• Bilingual English and Spanish.

Travel Requirements

• Based in Monterrey City but in future with potential travel up to 50% within assigned territory
• Mainly located at customer site 100%
• Availability for occasional after-hours, weekend, and emergency support.