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L3 Support – VAS Engineer Experience: 10–15 years of relevant experience in VAS/Telecom Domain Key Responsibilities
Act as the final technical escalation point (Tier-3) for complex incidents, deep-dive investigations, and platform-level problems across all VAS systems.
Lead advanced troubleshooting and diagnostics, including log-level, protocol-level, API-level, and infrastructure-level analysis.
Perform system-level health checks, capacity assessments, performance tuning, and optimization of VAS platforms.
Drive end-to-end Root Cause Analysis (RCA) with detailed corrective and preventive actions (CAPA) for major incidents.
Own and guide Major Incident Resolution in collaboration with Tier-2, Tier-1, cross-functional teams, and OEM/vendor engineering teams.
Design, review, and improve technical processes, SOPs, automation scripts, and knowledge articles for Tier-1 and Tier-2 teams.
Provide expert-level support for network configurations, platform integrations, upgrades, expansions, and deployment of new VAS features.
Review and maintain platform architecture documents, high-level/low-level designs, and configuration standards.
Lead change management, including impact analysis, risk assessment, validation planning, and approval.
Coordinate with vendors, R&D, product engineering, and OEM support for bug fixes, patches, enhancements, and platform improvements.
Ensure SLA compliance, service uptime, system resilience, and proactive monitoring enhancements.
Drive automation, observability improvements, and efficiency initiatives across VAS nodes.
Provide advanced guidance on security hardening, vulnerability remediation, compliance implementation, and platform audits.
Mentor Tier-1 and Tier-2 engineers through technical knowledge transfer and capability building.
Qualifications & Technical Skills
Bachelor’s degree in Computer Science, Electronics, Telecommunication, or equivalent.
Deep expertise in VAS platforms: Mobile Voicemail, MMSC, SMSC, Tele-Messaging, USSD/USSDGW, SES, NELS, CBC, SIM OTA, Device Manager, EIR, eSIM, and other operator VAS components.
Strong understanding of Telecom VAS architecture, SS7/SIGTRAN, SMPP, SIP, Diameter, MAP/CAP, HTTP/REST/SOAP, and related telecom protocols.
Hands-on expertise in platform maintenance, advanced troubleshooting, performance optimization, capacity planning, and system tuning.
Experience with application support, deployment of releases, patches, hotfixes, and upgrades in production/live environments.
Strong Linux administration skills including clustering, HA, load balancing, system performance tuning.
Working experience with WebServers (Apache, Tomcat, JBoss) and application hosting frameworks.
The minimum salary is ₹1L and the max salary is ₹2L.
₹1L – ₹2L/yr (Glassdoor Est.)
₹2L
/yr Median
Noida
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