MIKA KRISTIAN

PS Core Configuration & Management: Configured and optimized PS Core network elements (CloudEPC and CloudMSE) to ensure high performance and reliability.

System License Updates: Managed updates and renewals for system licenses across CloudEPC, CloudMSE, UDN, eSight, and LCM to maintain operational efficiency and compliance.

DNS Management: Executed DNS Bind version upgrades, managed ACLs, configured network routes, monitored DNS resources, and implemented DNS load balancers to enhance system security and performance.

New systems Integration: Assisted in integrating CloudMSE, including ATP service testing and service migration, to enhance network scalability and management.

Health Checks: Conducted regular health checks on PS Core network elements to monitor system status and ensure optimal performance.

Remedy Tickets: Handled Remedy tickets for Core and VAS systems, troubleshooting data/voice issues, and implementing commercial team requests.

Issue Resolution: Implemented security measures to prevent unauthorized internet access, filter out malicious URLs, and ensure secure connections, while also diagnosing and resolving issues related to mobile data, SMS and voice calls

Routing & Switching: Learning BGP, OSPF, and EIGRP principles to enhance network configuration and management skills.

Auxiliary Support: Monitored and managed Data center power equipment (UPS, air conditioning, generators) to ensure optimal conditions.

Performance Monitoring: Utilized PS CORE NE KPI, UDN, and CEM systems for performance monitoring and optimization

Security Implementation: Implemented measures to prevent unauthorized internet access, blocked scamming URLs, and ensured secure connections.

Documentation & Reporting: Maintained detailed documentation of network configurations, performance metrics, and incident reports.

Standby Routine: Provided on-call support for PS Core, CS Core, and VAS systems, quickly resolving emergent issues and ensuring service continuity.

Hands-On Experience: Gained practical experience with PS Core (LTE EPC, 5G Core), CS Core, and VAS systems, including SGW, PGW, MME, HSS, CloudEPC, and CloudMSE.

System Integration: Supported the integration of core network elements, understanding their interdependencies and workflows.

Configuration and Troubleshooting: Assisted in configuring and troubleshooting Core and VAS Network systems, ensuring network reliability.

System Upgrades: Learned and executed system upgrades, including DNS Bind upgrades and core network element updates.

Monitoring: Monitored Core and VAS systems, gaining experience with performance metrics, issue detection, and resolution processes.

Documentation: Contributed to technical documentation for Core and VAS systems, including configurations and operational procedures.

Remedy Tickets: Managed Remedy tickets for Core and VAS systems, learning to track, prioritize, and resolve issues affecting PS Core, CS Core, and VAS components.

Learning & Development: Engaged in training sessions and practical projects to deepen understanding of Cove & VAS network elements.

Team Collaboration: Worked with engineering teams to support the operation and optimization of Core and VAS systems, contributing to problem-solving and network enhancements.