Tomcat, Apache, SMSC, High Availability, Jboss, Webservers, Clustering, Load Balancing, Mobile Voicemail services, Linux environments, USSDGW, rbt, CBC, SMS CGW, VAS platforms, Tele messaging Services, telecom protocols, Mobile Device and SIM Homologation, Telecom VAS Network, ussd, SIM OTA, eSIM, Device Manager system

Juniper, BGP, routing, Linux, Perl, Isis, Cisco, automation, Python, cloud networking, data centre network infrastructure, SDN concepts, large-scale network deployments, Mpls, DWDM environments, performance optimisation, Traffic Engineering, fibre optic technologies, Troubleshooting, MPLS L2 L3 VPN, Network Operations