Skill set:

• Programming: C, C , Perl, UNIX shell scripts, Java, Visual Basic, Tcl/Tk, Expect, SQL, C , XML
• Operating Systems: Linux, Windows, VxWorks, Solaris
• Development/Debug: Visual Studio, WorkBench, Eclipse, gcc, gdb, MFC, DDK, NDIS, WDF, WDK, WinDbg, SoftICE
• Analyzers: WireShark, SmartBits, DekTec, Sencore, Tektronix MTS4000, HarrisScope, TS Reader, JTAG
• Source control: CVS, Visual SourceSafe, Rational ClearCase
• Protocols/Standards: TCP/IP, RIP, OSPF, IGMP, SNMP, SAN, IPTV, MPEG-2, H.264, ATSC, DVB, Ethernet, ASI

Highlights:

• 16 years of experience in analysis, design, coding, debugging, integration, testing and maintenance of systems and applications software, including client-server systems, network protocols, drivers and user interface applications.
• Sound knowledge of data structures, multi-threading, IPC, STL.
• Hands-on experience in installation and configuration of hardware and software for testing test case design, development of test tools and automated test scripts test execution and reporting.
• Interacted with customers for requirement analysis, project meetings and acceptance testing. Worked on troubleshooting complex problems and providing optimal solutions.
• Experience working with Waterfall and Agile/Scrum methodologies.
• Strong analytical skills, dedicated team player, fast learner and self motivated.

Work experience:

Confidential

• Involved in design, development and testing of object-oriented client-server modules for MPEG-2 and H.264 Encoder and Transcoder systems processing SD and HD video for IPTV domain.
• Implemented modules for control layer, SNMP, CLI, blade redundancy, device/port configuration, mux/demux, packetization, rate control, audio-video timing synchronization, VBI/Teletext, SPTS/MPTS CBR, PSI parsing, packet queue handling to and from video/audio/PiP processor, messaging, processing routing table, maintaining packet statistics, multicasting, licensing, firmware upgrade and integration with third-party libraries.
• Developed analysis tools to verify stability, conformance and proper functioning of encoders and transcoders.
• Interfaced with customers for product deployment at headends and work on escalated issues. Performed troubleshooting of complex problems, replicated customer issues in lab, analyzed system output at transport, PES and elementary video/audio layers and provided bug fixes and solutions in a timely manner.
• Provided training and guidance to QA and Customer Support teams in understanding new technology and features of the products. Assisted in verification of quality of products and conformance to design/standards.
• Worked with Hardware, QA, Manufacturing and Customer Support for product design, test and deployment.
• Actively contributed in Agile Scrum and XP processes on design, development, testing and resolving customer issues.

Confidential

• Analyze testing objectives and identify necessary hardware, software and tools. Setup test-beds.
• Collaborate with teams to design test cases.
• Configure test-bed hardware and software components for input and output for various tests.
• Perform detailed testing: white-box, black-box, regression, functional, stress, interoperability and compliance.
• Develop automation test scripts to configure devices control input/output bit-rates, video/audio types, system and elementary level parameters and capture output at different stages.
• Analyze captures at various layers IP, Transport, System, PES, Video/Audio elements, descriptors etc to verify for conformance with standards and accepted levels. Log bugs and inconsistencies.
• Test encoder, transrater, transcoder output in various configuration: ATSC, DVB, MPEG-2, H.264, SD, HD, bit-rate, interlaced/progressive Test for interoperability with various Receivers Motorola, TandbergTV and STBs ADB, Microsoft A-server, Amino . EMR/EVR/SMR/iPlex testing in San Jose, CA and EN8190 testing in Southampton, UK.
• Record, analyze and publish results. Prepare PowerPoint presentations for tracking bugs and fixes.
• Discuss results and advice changes for future revisions.
• Actively contributed in Agile Scrum and XP processes on test case design, automation scripts and testing.

Confidential

• Involved in design, development and verification of automation test software. The suite of software applications perform diagnostics on hardware to detect for various failure conditions, perform automatic configuration of the devices and execute functional tests under various stress conditions to carry out complete verification of the devices. The software applications provide user friendly GUI and also maintain a range of process control and test results in database that further help in troubleshooting and fixing any failed devices.
• Managed production teams at two manufacturing sites for various SkyStream products like MediaPlex, iPlex, EMR, SMR and their daughter cards: MPEG-2/MPEG-4 encoders, transcoders, transraters, ASI-Rx/Tx and conditional access cards.

Test tools developed:

• iPlex Production Test suite of Unix shell scripts with HTML front-end to perform functional and environmental stress tests for SCM, MCM, encoding, transcoding, mux and demux operations
• SkyDecryptTest multi-threaded C application to verify decryption feature in real-time
• SkyMPEG4Test diagnostic software to check encoder board functions under stress
• SkyUpgrade - EMR remote upgrade software multithreaded client-server sockets application in C
• Memory stress tests for SMR
• SkyTranscoderTest diagnostic software to check transcoding functions under varying load/input

Confidential

• Involved in development and testing of software components for packet header parsing, filtering, forwarding, multicast to unicast conversion, conditional access interface, PID remapping, IGMP processing etc. Added corresponding GUI and control code to EManager, the Element Management System for EMRs.
• Worked on code optimization to reduce latency and improve system performance.

Confidential

• Involved in design, development and testing of kernel mode driver, client-server modules and graphical user interface to facilitate device configuration for routing, scrambling, encryption and status monitor components.
• Worked on preparing the product installer with InstallShield.

Confidential

Visual Basic application for input/output screens, Bar code label generation and printing, label scanning and verification, MS Access ODBC database to maintain production test results of devices.

C DLL module to:

• Handle simultaneous communication with 8 devices via serial ports
• Run automated tests for device boot, memory, detection of Tuner, Modem and Conditional Access cards.
• Perform Tuner functional tests at various symbol rates, frequencies and FEC rates.
• Tcl/Expect script module: to load customer specific configuration on devices.