• Applications support / Implementation / Configuration. • Code review (Java / JavaScript / Powershell / XML / SQL / Bash) • OS support (Linux / Windows server) – Configuration / Logs analysis. • Databases (MS SQL / Oracle) - Queries / config / backup. • Physical infrastructure / Cloud servers support (AWS / Azure). • Networking Connectivity / Protocols (L3-L4).

• Application support / configuration / troubleshooting / logs.. • Code checking (Powershell / XML / SQL). • OS Support (Linux / Windows server) – Configuration / Log analysis. • Databases (MS SQL / Oracle) - Queries / Configuration / Backups. • Physical infrastructure – Client-side servers, remote support. • Networking Connectivity / Protocols (L3-L4).

• Monitoring of KPIs and indicators (GPRS - LTE). • Infrastructure migrations (2G - 3G - 4G). • Execution of testing protocols. • Networking Connectivity / protocols (L2-L3-L4). • Configuration and checking of Mobile network infrastructure (MME, SGSN, GGSN, firewalls, routers)