Field Service Engineer – HVAC Controls

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. Responsibilities 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. Qualifications 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. #LI-Hybrid Honeywell Technologies is a global, pure-play automation company with a legacy of innovating to help solve the world’s most mission-critical challenges, enhancing the quality of life for people and communities around the world. We serve the building, industrial and process sectors with a broad portfolio of services, solutions and products, underpinned by our Honeywell Technologies Accelerator operating system and Honeywell Technologies Forge intelligence layer. By combining the deep domain expertise of our more than 50,000 employees with decades of data from our global installed base, we are uniquely positioned to lead the industrial sector’s transition from automation to autonomy.