BMS Programmer Engineer (HVAC aftermarket maintenance Metasys Experience)

About the Role
Johnson Controls Arabia is seeking a BMS Programmer Engineer with expertise in HVAC aftermarket maintenance and Metasys experience. This full-time position is based in the Eastern region and requires 2-5 years of relevant experience. The role focuses on managing, operating, and optimizing Building Management Systems to ensure reliable and energy-efficient performance of HVAC and electromechanical equipment.
Role Overview
The BMS Engineer (HVAC Systems) is responsible for the comprehensive management of Building Management Systems, including both PLC and DDC-based control systems. This involves ensuring optimal performance and energy efficiency for HVAC and various electromechanical equipment across medium-to-large-scale building projects.
Key Responsibilities

Operate, monitor, and maintain BMS systems for HVAC equipment, including chillers, AHUs, FCUs, pumps, exhaust fans, and ventilation systems.
Troubleshoot BMS alarms, HVAC faults, and control logic issues across PLC and DDC platforms.
Perform preventive maintenance and calibration for sensors (temperature, humidity, pressure, flow).
Review, modify, and optimize control logic, sequences of operation, and system parameters.
Work with various control systems, including PLC-based automation, DDC controllers, and SCADA interfaces.
Update BMS graphics, trend logs, and system dashboards.
Coordinate with mechanical, electrical, and HVAC teams to resolve system issues and implement corrective actions.
Support commissioning and integration of new HVAC systems into BMS/PLC/DDC networks.
Analyze system performance data to recommend improvements for energy efficiency and operational reliability.
Maintain documentation, including control schematics, wiring diagrams, I/O lists, and configuration files.
Ensure compliance with ASHRAE standards, manufacturer guidelines, and safety regulations.

Project and System Scope
The BMS Engineer will typically work on medium to large-scale projects (20,000–200,000+ sqm) within commercial buildings, industrial plants, hospitals, data centers, and residential compounds. This includes HVAC systems integrated with:

Chiller plants (air-cooled & water-cooled)
Variable Air Volume (VAV) systems
Heat recovery systems
Pump stations (CHW, CW, condenser pumps)
Ventilation & pressurization systems

Control platforms involved include Siemens Desigo, Honeywell EBI, Schneider EcoStruxure, and Johnson Controls Metasys, alongside PLC systems (Siemens S7, Allen Bradley, Schneider M340/M580) and DDC controllers (Tridium, Distech, Johnson Controls, Honeywell Spyder).
Qualifications and Experience

2-5 years of experience in BMS programming and HVAC aftermarket maintenance.
Demonstrated experience with Johnson Controls Metasys.
Proficiency with PLC and DDC-based control systems.
Strong troubleshooting skills for BMS alarms, HVAC faults, and control logic.
Ability to work with various control platforms and integrate new systems.

Application Process
Interested candidates are encouraged to apply for this full-time position within Johnson Controls Arabia.