Oversee support operations for IPTSP retail and corporate subscribers
Coordinate with ICX, CISP, ANS, for Short Code, LTFS, and other interconnection services.
Design IP Telephony & VoIP solutions, including network topology, integration plans, and capacity planning.
Manage Linux server infrastructure, virtualization, OS deployment, firewall/security configuration etc.
Configuration and integration of telecom systems (FXO/FXS Gateways, Elastix/Issabel, ViciDial, Grandstream/Yeaster IP-PBX, SBCs, and legacy system integration).
Manage and administer Class 5 Softswitch platforms, including subscriber onboarding, system integration, troubleshooting, billing etc. Hands-on experience with iTel Softswitch will be considered a strong advantage.
Oversee SMS service platforms, including A2P/P2P SMS gateway management and interoperability with vendors, CISP/ANS partners.
Perform proactive monitoring and analytics for system and fraud detection.
Collaborate with cross-functional teams (NOC, Billing, Business, Sales) to ensure smooth operation.
Manage vendor relationships for service support, ensuring timely issue resolution.
Train and mentor junior engineers by providing guidance, knowledge sharing, and technical escalation support.
Any other responsibilities assigned from the department.