Broad outline of the Role Minimum qualification & experience . B.E. / B. Tech. with at least 12-16 years of experience in telecom domain with focus on voice Certifications (preferred not mandatory) . SSCA , MS - 700 , CCNA, CCNP, etc. Other knowledge/skills Excellent written and verbal communications. Ability to work independently and effectively under pressure. Strong analytical, troubleshooting & time management skills. Strong willingness to learn concepts outside area of expertise. Collaboration with different SME's Key Responsibilities . Owner and accountable for the design , configuration , testing and deployment of voice infrastructure . Lifecycle management of voice infrastructure ( software upgrades , migration from appliance to virtual instances, tech refresh , TDM to IP migration etc) . Supporting the UCaaS team in the design of UCC services based on MS Teams (direct routing , operator connect , MTR's , CVI ), Cisco Powered Solutions (Webex , CUCM etc.) and other CASP's . Good understanding of best practices for securing the infrastructure . Proactive review of ongoing services and implementation of enhancements to existing infrastructure . Support key engagements with customers e.g. proof of concept/demo/trials etc. . Provide relevant documentation and necessary support to cross functional teams in upgrades , resolution of issues (Tier 4), migrations etc. Technical Competencies . Expertise with VoIP/TDM Protocols & Technologies like SIP, H.323, TCP/IP, RTP, TLS etc. . Expertise with vendors architectures, designs, and components from Ribbon, Audio Codes, ZTE, Dialogic/Enghouse, Oracle etc. . Experience in troubleshooting complex voice issues. . Understanding of Global service offerings such as SIP trunking, NGN, IMS, NFV, BYOC, Audio and Video Conferencing and IP Telephony architectures . Good understanding of security best practices. . Good understanding of DOT/TRAI regulations for ILD/NLD/VNO/ISP etc. . Experience in Cloud services and understanding of virtualization functions, protocols, technologies (VMware, Azure, AWS etc.) . Expertise with Microsoft Teams DR (direct routing) especially calling capability and integration with SBC's. Good to Have . Basic understanding of NAT/FW traversal and security methodologies . Basic understanding of Layer 2/3 network design and standards, including MPLS, SD WAN, BGP etc.
