Telephony Lead

2 days ago


India Meesho Full time

Job Description About the role We are looking for a highly skilled Telephony L3 Engineer with deep expertise in SIP routing, VoIP configurations, and telephony infrastructure. The ideal candidate should have hands-on experience in designing, implementing, and troubleshooting SIP-based communication systems, PBX configurations, SBCs (Session Border Controllers), and VoIP networks. What will you do - 1. SIP Routing & VoIP Configuration - Configure and manage SIP trunks, call routing, and VoIP gateways. - Optimize SIP signaling flow, call handling, and failover mechanisms. - Troubleshoot SIP-based issues, including SIP registration, call setup, and media negotiation. - Implement SIP redundancy and disaster recovery strategies. 2. Telephony Infrastructure Management - Maintain and optimize PBX systems (Avaya, Cisco CUCM, Asterisk, FreePBX, Genesys, or similar platforms). - Configure and monitor Session Border Controllers (SBCs) like AudioCodes, Ribbon,Oracle, or Cisco CUBE. - Set up and manage PRI/E1, SIP trunks, DID numbers, and inbound/outbound call flows. - Manage voice gateways and telephony network components to ensure optimal call quality. 3. Troubleshooting & Support (L3 Escalations) - Handle L3 escalations related to VoIP call failures, one-way audio, jitter, and latency issues. - Analyze SIP traces, PCAP captures, and syslogs to diagnose and resolve complex call routing issues. - Work closely with network and security teams to optimize QoS, NAT traversal, and firewall configurations. - Coordinate with telecom service providers to resolve carrier-related SIP issues. 4. SIP Protocol & Security Compliance - Ensure compliance with RFC standards (e.g., RFC 3261 for SIP, RFC 2833 for DTMF). - Implement SIP security measures (TLS, SRTP, IP whitelisting, fraud prevention). - Configure and manage SIP authentication mechanisms (Digest, TLS, Mutual TLS, etc.). 5. Monitoring & Reporting - Use tools like Wireshark, SIPp, Homer SIP Capture, and RTCP monitoring for deep-dive troubleshooting. - Set up SIP call analytics dashboards for call quality monitoring. - Provide regular performance reports and suggest optimizations. What you will need - 5+ years of experience in SIP/VoIP telephony systems. - Strong knowledge of SIP routing, trunking, and call signaling. - Hands-on experience with PBX platforms (Asterisk, Avaya, Cisco, FreePBX, Genesys, etc.). - Expertise in configuring Session Border Controllers (SBCs) and VoIP gateways. - Proficiency in SIP debugging tools (Wireshark, tcpdump, SIPp, sngrep, Homer). - Knowledge of SIP codecs (, , Opus), RTP, RTCP, and DTMF handling (RFC2833, SIP INFO). - Experience in NAT traversal techniques (STUN, TURN, ICE) and VoIP firewall configurations. - Strong troubleshooting skills in SIP call failures, one-way audio, jitter, and latency issues. - Familiarity with telephony protocols (ISDN, SS7, PRI, MGCP, ) is a plus. - Experience in integrating VoIP with cloud-based platforms (AWS, Azure, Google Cloud) is a plus. Good to Have - CCNP Collaboration (Cisco Voice & Video) - ACIS / ACSS (Avaya Certified) - Microsoft Teams Voice Engineer Certification - FreeSWITCH / OpenSIPS certification - Hands-on experience with telephony tools like Genesys, Avaya, Aspect, Ameyo, and Asterisk-based systems is required. About us Welcome to Meesho, where every story begins with a spark of inspiration and a dash of entrepreneurial spirit. We're not just a platform we're your partner in turning dreams into realities. Curious about life at Meesho Explore our Glassdoor - our people have a lot to say and they've helped us become a loved workplace in India. Our Mission Democratising internet commerce for everyone - Meesho (Meri Shop) started with a single idea in mind: to be an e-commerce destination for Indian consumers and to enable small businesses to succeed online. We provide our sellers with benefits such as zero commission and affordable shipping solutions in the market. Today, sellers nationwide are growing their businesses by tapping into Meesho's large and diverse customer base, state-of-the-art tech infrastructure, and pan-India logistics network through trusted third-party partners. Affordable, relatable merchandise that mirrors local markets has helped us connect with internet users and serve customers across urban, semi-urban, and rural India. Our unique business model and continuous innovation have established us as a part of India's e-commerce ecosystem. Culture and Total Rewards Our focus is on cultivating a dynamic workplace characterized by high impact and performance excellence. We prioritize a people-centric culture, dedicated to hiring and developing exceptional talent. Total rewards at Meesho comprise a comprehensive set of elements - monetary, non-monetary, tangible, and intangible. Our 9 guiding principles, or Mantras, are the backbone of how we operate, influencing everything from recognition and evaluation to growth discussions. Daily rituals and processes like Problem First Mindset, Listen or Die, our Internal Mobility Program, Talent Reviews, and Continuous Performance Management embody these principles. We offer competitive compensation - both cash and equity-based - tailored to job roles, individual experience, and skill, along with employee-centric benefits and a supportive work environment. Our holistic wellness program, MeeCare, includes benefits across physical, mental, financial, and social wellness. This includes extensive medical insurance for employees and their families, wellness initiatives like telehealth, wellness events, and fitness-related perks. To support work-life balance, we offer generous leave policies, parental support, retirement benefits, and learning and development assistance. Through personalized recognition, gratitude for stretched work, and engaging activities, we promote employee delight at the workplace. Additional benefits such as salary advance support, relocation assistance, and flexible benefit plans further enrich the Meesho experience. Know more about Meesho here : We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.



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