Maintenance of follow control systems: - General Electric gas turbine generators based on Mark VI PLC - Nuovo Pignone steam turbine generators based on GE Fanuc PLC - CCC anti-surge control systems for Sales gas/Flash gas compressors - S2M V2 magnetic bearing control cabinets (SKF, France) - Bently Nevada vibration protection and monitoring systems Participated in the Turnaround 2024 ERP SAP: notifications, work orders, material requests

Maintained and supported of the remote-control system (SCADA) for pipeline block valve stations (BVS): - Foxboro SCD2200 redundant RTU with Intertrip functionality - Triconex TMR PLC (ESD system) with Rate-of-Change leak detection - Wonderware System Platform 2020 SCADA servers - Implemented changes to Galaxy configuration - Represented the client during FAT/SAT as part of system modernization Participated in Turnaround 2019 and 2022 Personal achievements: Identified and resolved the root cause of incorrect electricity metering readings at Atyrau Refinery during Turnaround 2022 by correcting current and voltage transformer circuits Professional skills: - LAD, FBD - routing & switching - assembly of control cabinets - component-level repair of electronic equipment

Maintained and troubleshot control systems of 11 generators based on Bernecker & Rainer (Austria) PLCs: - Reverse-engineered a proprietary data exchange protocol used in gas turbine control systems and developed a web-based platform for real-time monitoring of all gas turbine generators and overall plant operation on mobile devices - The solution has been actively used for 10+ years and is recognized by enterprise management and external turbine maintenance contractors - Developed a web-based HMI for gas treatment unit operators using the native B&R X20 PLC web server with dynamic trend visualization (JavaScript) Brought telemetry and dispatch communication systems into full compliance with KEGOC requirements, significantly improving reliability and data integrity: - Resolved compatibility issues between the new AlphaCenter commercial electricity metering system and legacy power meters - Integrated ARIS SCADA with KEGOC SCADA via IEC-101 protocol - Implemented automatic failover of Cisco routers to a backup satellite channel, which reduced downtime to 40 seconds Provided maintenance and technical support for: - Power plant dispatch and monitoring system (TeleSCAD) - Gas commercial metering system (Emerson FloBoss 107) - Turbine exhaust gas monitoring system (Ecomer) - Power plant IT and industrial network infrastructure (servers, routers, switches, fiber optics, radio bridges) - Designed and implemented an internal VoIP telephone network based on Panasonic TDE-100 systems across three sites: office, power plant, and camp Professional skills: - Modbus RTU/TCP, OPC, IEC-101/104 protocols - Routing & Switching, VoIP, Fiber optic - component repair of electronic equipment - assembly of control cabinets - adjustment of variable-frequency drivers