Network system specific applications and network protocols (network OSS stack, routing protocols, network applications such IP routing, security gateways, subscriber management, NAT applications, BRP, OSPF, ISIS, VPN, Segment routing protocols etc. Knowledge of OS, data types, data structures, data management algorithms, programming principles etc., Proven aptitude for methodical problem solving, good communication skills, strong attention to detail, and ability to work well in a close-knit team.