Subhash B A

Electrical, Instrumentation & PLC Automation Engineer with 8+ years of experience in development, and commissioning of Siemens based control systems with PROFIBUS. Expert in TIA Portal and SIMATIC Manager for S7-300/400/1200/1500 platforms. Proven specialist in high-performance motion control, successfully commissioning and optimizing SINAMICS S120 and G120 drives. Led critical drive and Remote I/O migrations, skilled at troubleshooting complex instrumentation and pneumatic systems.

Instrumentation & Automation Engineer - Saint-Gobain Gyproc India Ltd - Bangalore

(2023-03)

• PLC Program Development & Optimization: Engineered and deployed modular PLC programs using TIA Portal and Step 7 (SIMATIC Manager), improving process automation reliability and deterministic control.
• Motion Control & Drive Systems: Commissioned and optimized SINAMICS S120 and G120 VFD, ensuring stable motion control and enhanced machine performance.
• Loss-in-Weight & Belt Weigh Feeder Systems: Commissioned and optimized gravimetric weighing systems including Loss-in-Weight and Belt Weigh feeders, improving material dosing accuracy and process stability.
• Legacy-to-Modern Migration: Directed the migration from ET200M to ET200SP remote I/O architecture, reducing panel space requirements and enhancing system diagnostics.
• System Integration: Integrated FO/PNG burner controllers with Siemens PLC systems for reliable and safe combustion control.
• Industry 4.0 Implementation: Aided deployment of AI-based surface defect inspection systems for automated quality monitoring and boosted production efficiency.
• Instrumentation & Field Diagnostics: Troubleshot and calibrated field instruments including I/P converters, control valves, RTDs, ultrasonic sensors, optical sensors, and encoders.
• Pneumatic System: Developed and diagnosed faults in high-speed pneumatic system including solenoid manifolds, actuators, and air-handling units, reducing unplanned downtime.
• SCADA Development: Designed SCADA interfaces for real-time process visualization, monitoring, and operator interaction.
• Asset & Spare Parts Management: Managed maintenance assets and spare parts inventory using SAP PM Module to support efficient maintenance planning.

Senior Electrician - Page Industries Ltd - Bangalore

(2019-09 - 2023-03)

• Field Instrumentation Maintenance: Performed troubleshooting, calibration, and loop checking of industrial instruments including temperature transmitters, pressure transmitters, level transmitters, and proximity sensors.
• Steam Boiler Instrumentation: Sustained boiler instruments including pressure gauges, temperature sensors, level transmitters, flow switches, and safety interlocks.
• PLC Monitoring: Monitored PLC-based systems using Siemens LOGO and Schneider Machine Expert Basic for process monitoring and fault diagnosis.
• Power Distribution Maintenance: LV electrical panels, UPS systems, and stabilizers to ensure uninterrupted power supply for plant operations.
• Motor Testing & Termination: Conducted insulation resistance testing, termination, and troubleshooting of single-phase and three-phase motors.
• Control Panel Installation: Installed and wired electrical panels and field equipment in accordance with electrical drawings and wiring schematics.
• Utility Equipment Maintenance: Plant utility equipment including dryers, hydro extractors, centralized vacuum suction systems, and evaporative cooling systems.
• Preventive Maintenance Planning: Executed preventive maintenance schedules to improve equipment reliability and reduce downtime.
• Vendor Coordination: Coordinated with AMC vendors for maintenance activities and technical support

Technical Associate - FESIL - Bangalore

(2018-05 - 2019-08)

• Electrical Infrastructure Maintenance: Performed troubleshooting and maintenance of LV electrical panels to ensure stable and reliable power distribution across plant equipment.
• Critical Power Systems: Diagnosed and repaired industrial UPS systems and voltage stabilizers to protect sensitive equipment from power disturbances.
• Motor Testing & Termination: Conducted insulation resistance (IR) testing, continuity checks, and termination of single-phase and three-phase motors.
• Panel Installation & Commissioning: Installation, wiring, and commissioning of electrical control panels according to SLDs and wiring schematics.
• Equipment Maintenance & Vendor Coordination: Specialized equipment such as laser wire-marking machines and coordinated with AMC vendors for preventive maintenance and servicing.

Diploma - Electronics Communication Engineering - Rajeev Polytechnic (2015-08 - 2018-05)

BE - Electronics Communication Engineering - Bangalore Technological Institute (2025)