Pariwat Thita

Bidding & Technical Sales Support (Offer Phase) Tender Analysis: Evaluated complex tender requirements to develop technical compliance statements and design optimized DC Switchgear control and protection concepts. System Design: Selected appropriate PLC models and hardware components to meet specific client requirements while optimizing for technical performance. Cost Estimation: Performed software engineering cost calculations and technical labor estimations to support competitive bid submissions. Design & Engineering (Project Execution Phase) System Configuration: Developed software configurations, IED settings, and parameters for SITRAS and SIMATIC product lines, ensuring robust control and protection for DC Switchgear systems. Documentation: Engineered comprehensive I/O lists and signal lists for IEDs to facilitate seamless integration with SCADA systems. Cross-functional Coordination: Collaborated closely with Project Managers and Hardware Design Engineers to ensure project milestones were met; reviewed hardware designs and implemented critical switchgear interlocking and operational logic. Quality Assurance: Conducted pre-release software verification in lab environments, Pre-FAT, and FAT (Factory Acceptance Test) to ensure high reliability before deployment. Remote Commissioning & Technical Support Technical Troubleshooting (Remote): Provided technical support to onsite commissioning teams via remote diagnostics, performing root cause analysis to resolve IED operational errors. System Optimization: Delivered real-time software configuration updates and parameter tuning to ensure onsite equipment met system integration requirements. Research & Development (R&D) Product Validation: Assisted Product Managers in testing and validating new firmware for the SITRAS product suite, providing feedback to improve product stability and functionality.

COMOS user role: -Created detailed electrical drawings for DC switchgear panels using COMOS, ensuring accuracy and compliance with specific requirement -Developed documentation for panel manufacturing, including overview diagrams, electrical schematics, bill of materials, and connection diagrams -Planned and controlled of own engineering work packages regarding date, cost and quality aspects COMOS Poweruser role: -Provided technical support to COMOS users, resolving issues and improving workflow efficiency -Built and maintained database of electrical components and standard drawings in COMOS, serving as a foundation for consistent and efficient electrical design

-Designed and developed user interface of SitrasRSC (SCADA software) -Coordinated Site Acceptance Test (SAT) and System Integration Test (SIT) with engineering teams -Supported commissioning team on critical tasks, ensuring timely project delivery -Administered both energized and de-energized 3rd rail tracks of Blue Line Extension mainline

-Installed temporary power board for an outdoor event -Set up the light source for night event -Set up & controlled light of stage