Chiranjeevi Vasupalli

11 years 8 months of experience in Broadcasting and Information technology. Responsible for Applications testing, video Compression techniques and Head end Operation. Specialized in end to end Installation, commissioning and integration of Digital Head-end system based on MPEG2, H.264 AVC technology, Down link facility, Monitoring system in Head-end/OTT.

Lead Video Technology - Atria Convergence Technologies Ltd

(2013-11 - 2025-07)

Digital Head end responsibilities and OTT Head end responsibilities including installation, configuration, integration, testing, troubleshooting and monitoring of broadcasting systems.

• Experience on complete Installation & setup of Digital Head end (IP as well as ASI based)
• Configuring & interfacing Harmonic Prostream & QAM Modulators with NMS
• Working on advanced Tools like NMX Digital Domain Manager, Digital Service Manager, Automation Server Administration from HARMONICS Inc
• Preparing Test Plans required for STB's Various Parameters such as Auto or background scanning of NIT, etc (cisco,yenhi,coship sd,tcl,fibtron,Skyworth,exza,ovt,ex…)
• Maintaining all data sheets related to Headend
• Taking Backup of all Headend devices and restoring a backup if any failure
• Analysing issues reported in the QOS server and troubleshooting them
• Coordinate with vendor for system related problem for its closer & RCA
• Analyse the log of compression and acquisition-related problem
• Automation web form for auto close tickets using selenium and macro scripting
• Configuring CISCO and Huawei switches and taking a backup of changes and restoring it in case of failure
• Provided testing support for new STB (Set-Top Box) features, including the implementation and validation of STB advertisements
• Worked closely with the vendor to provide continuous support during the STB software implementation, ensuring successful completion and finalization of the software
• Provided audit support by arranging all necessary setups, coordinating seating for auditors, and executing required test cases during the audit process
• Performed server and application feature updates, followed by thorough testing using a dedicated testbed setup to avoid any impact on the customer. After successful completion of all tests, the updates were deployed to the live environment
• Managed coordination across nearly 20 locations, providing technical assistance and troubleshooting for switch, NSG, and encoder-related issues to maintain service continuity
• Managed daily report extraction from four different types of CAS (Conditional Access System) servers and shared the reports with the operations team
• Assisted with ECM/EMM stream monitoring to validate content protection and subscription enforcement
• Monitored live transport streams and conducted PCR, bitrate, and continuity checks to ensure optimal video quality and service uptime
• Performed channel mapping, LCN (Logical Channel Number) configuration, and bouquet updates on the headend systems
• Ensured redundancy and failover mechanisms in place for critical headend equipment including encoders, IRDs, and multiplexers
• Supported integration and testing of STB middleware features, including EPG (Electronic Program Guide), parental controls, and VOD interfaces
• Validated STB responses to CAS messages, including ECM/EMM handling, authorization flows, and error codes
• Troubleshot and resolved STB activation, signal reception, and channel zap time issues across customer deployments
• Performed C-band satellite dish tuning and alignment to ensure optimal signal strength and quality for reliable content reception at the headend
• Integration and Configuration of OTT head-end devices like Broad peak CDN, Caching servers, Titan transcoders, and IRD
• End to End Integration and Configuration of Veri matrix DRM servers
• Integration and configuration of Content Management system and maintenance of all DB related to CMS
• Troubleshooting Video/Audio related issue. Troubleshooting of DRM related issues and CDN related issues
• Network Operations involving troubleshooting of Core Network, Access Nodes, Trouble Tickets handling, Alarms Monitoring, and Incident Reporting
• Capturing access logs from the entire OTT server like CDN, DRM, Transcoder and CMS
• Writing queries to fetch details from DB
• Monitoring of all MySQL DB of CMS and DRM
• Configuration of services in CDN (Live tv and VOD)
• Configuration of services and packages in DRM
• Encryption of HLS and DASH streaming URL's in Origin server (BKS350)
• Troubleshooting of OTT services from manifest level to player end
• Uploading and validation of all 500 channel's Metadata
• Planning and Implementation of Subscriber Management system
• Preparing and testing of OTT android TV STB's
• Performance testing of various features of Android TV STB & Android TV Stick such as Voice search, Casting, Mira cast and plug play features

DIPLOMA - ELECTRONIC AND COMMUNICATION ENGG - SANKETIKA POLYTECHNIC COLLEGE VISAKHAPATNAM (2013)

Secondary Education Examination Broad (SSC) - ST PETER'S HIGH SCHOOL VISAKHAPATNAM (2009)