BMS & Controls Engineer with 4+ Years Experience

Ravi Chandra Gottam

+ United States # **************@*****.*** 603-***-**** ï LinkedIn

Professional Summary

• Building Management System (BMS) and Controls Engineer with 4+ years of hands-on experience in HVAC automation, PLC-based control systems, and field commissioning.

• Strong expertise in PLC programming, troubleshooting, and modifications using Siemens TIA Portal and Allen-Bradley Studio 5000.

• Experienced in automation and control of HVAC systems including Air Handling Units (AHUs), VAV boxes, chillers, boilers, exhaust systems, and central utility plants.

• Proficient in BMS communication protocols such as BACnet/IP, BACnet MSTP, Modbus TCP/IP, Modbus RTU, and EtherNet/IP.

• Hands-on experience integrating field devices including temperature, pressure, and flow sensors, VFDs, actuators, dampers, and control valves.

• Skilled in developing and implementing HVAC sequences of operation, control logic, alarms, and interlocks based on design specifications.

• Experienced in HMI and SCADA development using Wonderware InTouch, Siemens WinCC, and FactoryTalk View SE for real-time monitoring and control.

• Strong background in field commissioning activities including point-to-point checkout, functional testing, loop tuning, and system validation.

• Experienced in supporting live BMS environments, performing system updates, backups, and minor enhancements while minimizing impact to ongoing building operations.

• Familiar with coordinating control system changes with facility schedules, change management processes, and safety requirements in occupied buildings.

• Actively involved in FAT, SAT, and on-site commissioning, working closely with mechanical contractors, facility teams, and end clients.

• Proficient in troubleshooting control, communication, and field wiring issues to ensure reliable system operation and minimal downtime.

• Experienced in trend analysis, alarm management, and system tuning to improve energy efficiency and operational performance.

• Familiar with reviewing control drawings, wiring diagrams, and as-built documentation for HVAC and BMS projects.

• Strong understanding of the BMS project lifecycle from design review and programming through commissioning and handover.

• Effective cross-functional collaborator with experience supporting mission-critical commercial and industrial facilities.

• Detail-oriented and adaptable engineer with a strong focus on system reliability, safety, and continuous improvement in building automation environments.

Technical Skills

PLC Platforms: Siemens S7-300/400/1200/1500, Allen-Bradley ControlLogix, CompactLogix BMS / SCADA: Wonderware InTouch, Siemens WinCC, FactoryTalk View SE HVAC Systems: Air Handling Units (AHUs), VAV Boxes, Chillers, Boilers, Cooling Towers, Exhaust Systems Communication Protocols: BACnet/IP, BACnet MSTP, Modbus TCP/IP, Modbus RTU, EtherNet/IP Field Devices: VFDs, Temperature Sensors, Pressure Sensors, Flow Sensors, Dampers, Control Valves Engineering Tools: Siemens TIA Portal, Studio 5000, RSLogix 5000, AutoCAD Electrical Commissioning & Testing: Point-to-point checkout, Loop tuning, FAT, SAT, Field commissioning Operating Systems: Windows, Linux

Scripting & Utilities: Python (basic automation and data analysis) Education

Rivier University, New Hampshire Master of Science in Computer Science Relevant Coursework: Data Analytics, Artificial Intelligence, Object-Oriented Programming, Advanced Computer Networking Lovely Professional University, India Bachelor of Technology (B.Tech) in Computer Science Relevant Coursework: Analysis of Algorithms, Artificial Intelligence & Machine Learning, Computer Architecture, Embedded Systems

Professional Experience

General Motors (GM), Texas June 2024 – Present

Role: System Engineer

• Supporting Building Management System (BMS) operations for manufacturing and commercial facilities, with a focus on HVAC automation and controls.

• Programming, modifying, and troubleshooting PLC logic using Siemens TIA Portal and Allen-Bradley Studio 5000.

• Supporting control and monitoring of HVAC systems including Air Handling Units (AHUs), VAV boxes, exhaust systems, and chilled water systems.

• Integrating HVAC equipment and field controllers using BACnet/IP, BACnet MSTP, Modbus TCP/IP, and Modbus RTU protocols.

• Developing and maintaining HMI graphics, alarms, and trends using Wonderware InTouch and FactoryTalk View SE.

• Performing field commissioning activities including point-to-point checkout, functional testing, loop tuning, and system validation.

• Assisting with FAT and SAT activities to verify control logic and system performance against design specifications.

• Troubleshooting field issues related to sensors, actuators, VFDs, control valves, dampers, and communication networks.

• Reviewing control drawings, wiring diagrams, and sequences of operation to support implementation and troubleshooting.

• Coordinating with mechanical contractors, facility teams, and vendors during commissioning and system changes.

• Supporting live BMS environments by performing system updates, backups, and minor enhancements while minimizing impact to facility operations.

• Performing trend analysis and alarm reviews to support energy optimization and improve HVAC system reliability.

• Maintaining as-built documentation and supporting handover activities for completed BMS projects. Accenture, Hyderabad, India Jan 2021 – Aug 2023

Role: BMS / Controls Engineer

• Supported Building Management System (BMS) projects for data center facilities, focusing on HVAC and critical infrastructure monitoring.

• Programmed and modified PLC logic for data center HVAC systems including AHUs, CRAH/CRAC units, chilled water systems, and exhaust systems.

• Integrated HVAC equipment and field controllers using BACnet/IP, BACnet MSTP, and Modbus RTU protocols.

• Developed and maintained HMI graphics, alarms, and trends using Wonderware InTouch and Siemens WinCC for real-time monitoring.

• Assisted in field commissioning activities including point-to-point checkout, functional testing, and redundancy validation.

• Participated in FAT and SAT activities to verify control logic and system performance against data center operational requirements.

• Troubleshot control logic, communication, and field wiring issues to support high-availability environments.

• Coordinated with mechanical, electrical, and facility operations teams during commissioning and handover phases.

• Supported alarm rationalization, trend analysis, and system tuning to improve reliability and energy efficiency.

• Prepared control documentation including sequences of operation, I/O lists, and as-built drawings for data center BMS systems.

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