SUMMARY:

• 7+ Years of extensive work experience on System Test Engineer and Build Engineering & Release Management process including skilled at various test methodologies and procedures.
• Authorization/Installation verification, System test, Signal meter, Rapid channel change, Red button reset, AC power cycle, Active soak, Standby soak, Brownout, Power glitch, Multiple power cycle, RF signal pull, Multi - switch & SWM power cycle, Reset monitor, Rain fade simulation.
• Created Test Cases and generated Test Data.
• Managed Amazon Web Service (AWS) infrastructure that automate the Provisioning of AWS Services through Ansible.
• MPEG troubleshooter and systems engineer, expert at distributing video streams across all types of devices, managing UNIX servers, and TCP/IP protocols.
• Warehouse worker with experience in warehouse and manufacturing environment.
• Profound knowledge of warehousing, order selecting, palletizing, shrink wrapping, shipping and receiving. Excellent teamwork and mechanical skills.
• Knowledge with NoSQL Cassandra to store, retrieves, and update and manage all the details for Ethernet provisioning and customer order tracking.
• Configuration designs for intake to Stage facility of various environments like Cloud compute, DOCSIS, VOD, SDV, cDVR, Head Ends, Guides, Networking, CPE, Telephony, Wireless, and Mobile.
• Analyze root cause of automation test script/case failures.
• Worked on Pay Per view (PPV).
• Hands-on experience in automating OSS/BSS and Provisioning.
• Release automation (Jenkins), system administration, system configuration, and system debugging experience.
• Excellent Knowledge on Confidential and Arris (Motorola).
• Have excellent experience in C++, VB6.0, Oracle 8, MS SQL Server 7.0, MS Access, Shell Scripting.
• Hands on experience and proficient with Kubernetes, Python, Docker, Bit Bucket/GIT, Unix/Linux, shell scripting, Java, and/or AWS.
• Troubleshoot issues across the entire stack. Solve problems relating to mission critical services and build automation and monitoring to help prevent problem recurrence.
• Advocate and implement industry best practices for configuration management, build and deployment automation, and operational monitoring and analysis.
• Having good knowledge on DAC Arris Having good knowledge on DNCS.
• Good experience with Digital video recorder.
• Creating Test Plan Documents and developing Test Scripts by creating Test Cases and generating Test Data.
• Experienced testing on set-top boxes for cable, satellite, and IPTV and testing STB functionalities like EPG, DVR, VOD, and PPV
• Scheduled the Linux Cron jobs and Quartz scheduler jobs for various infrastructure automations.
• Worked on Software Configuration and Version control tools like Visual Source safe, Clear Case
• Proficient in QTP and Win Runner 7.0.
• Hands on experience in web designing with HTML, ASP and JSP.
• Extensive experience in Functional Testing, Web Content testing, Cross browser testing and other kind of manual testing.
• Experienced in complete project life cycle development including Analysis, Design, Unit Testing, Integration Testing, System Testing, and UAT & Maintenance.
• Extensively used HP ALM to write Test Cases, build Test Labs and for reporting defects, all the test cases were maintained using Quality center.
• End to end black-box testing.
• Advocate and implement industry best practices for configuration management, build and deployment automation, and operational monitoring and analysis
• Understanding in PXE provisioning tools such as simple PXE server, Foreman for deploying the multiple deployments.
• Very Good knowledge with web service testing tool like SoapUI.
• Worked in SDLC Methodologies like Waterfall, RUP and Agile.
• Very good understanding of the cable industry, cable infrastructure elements, set-top device.
• Expertise in Analysis of Problem Severity, Defect tracking system and Defects reporting system.
• Understanding, ability to diagnose and troubleshoot VOD Back Office issues.
• Collaborate with peers testers and developers to improve testing processes.
• Analyzing network performance and protocols (TCP, UDP and RTP).
• Resolve video distribution problems; troubleshoot MPEG streams with wrong descriptors.
• Configure several thousand MPEG programs on QAM modulators, in each case selecting the exact video para-meters from streams off a nationwide multicast network
• Configuration of Confidential routers to interconnect all the preceding equipment.
• Enable customers at the end points to select from hundreds of channels on the map, access a networked file system (e.g. for Program Guide Data), and reach a restricted set of IP addresses.
• Execution of STB test cases for various modules such as QAMs, QPSKs, Hub, CMTS, Netcrypt, IPG, PPV, Source, Packages, Channel Maps, DST.
• Natural knack for making equipment from different vendors work together.
• Major Player in the build-out of digital video infrastructure for cable operators and software developers.
• Easily adaptable to any new Technologies and Business environments.
• Work effectively with others in a team environment & Lead various projects.
• Strong verbal, written and interpersonal communication skills.

TECHNICAL SKILLS:

Operating Systems : Solaris 2 through 9, various other flavors of UNIX, linux, RHEL 6.3 (Red Hat Enterprise Linux)

Computer : Sun servers (Ultra Enterprise E450 and V890, e5000), desktop Ultras and SPARCstations; Dell blade servers, other assorted Linux-based micros; RAID arrays

Networking : Confidential routers and switches with both copper and fiber connections, FORE ATM switches, ATM-25 over coax

SCM : GIT, Provisioning Tools, Automation, Visual Source Safe 6.0, Clear Case.

Scripting Tools : VBScript, Java Script, ANT, Shell, Bash, Python, SSH, FTP, Apache Tomcat server, Web Sphere, JBoss, AIX, Awk, Sed, FTP, IP Tables.

Web Server : Personal Web Server 2.0, IIS 5.0, Apache Web Server

Web Technologies : MS FrontPage, HTML, XML, J2EE, SOAP Web Services

Database : RDBMS, Oracle 10g, SQL Server 2000, MS-Access 2000

GUI : Visual Basic 6.0, Crystal Enterprise

Programming Languages : Linux, Bash, UNIX shell scripts, SQL (Informix-based).

Office Tools : MS Office 2007, Open Office Video-specific satellite receivers (Arris, Confidential ), remultiplexers ( Confidential, RGB, cherry pickers), MPEG analyzers (Manzanita, JDSU, Sencore, Tektronix), transcoders (Harmonic, Envivio, Mystic), QAM and QPSK modulators ( Confidential ), demodulators (Evertz), video streamers (Dektec and others), Scientific-Atlanta DNCS (digital network control system) (now Confidential )

Video standards : MPEG-2, H.264, H.265, DSM-CC, ATSC A/56 (SI, System Information), SCTE 18 (EAS), SCTE 20 & 21 (closed captioning), SCTE 27 (subtitles), SCTE 30 & 35 (DPI: digital program insertion).

PROFESSIONAL EXPERIENCE:

Confidential, EI Segundo, CA

STB Test Engineer

Responsibilities:

• Help expand the large national test lab housing six DNCS and several Motorola DAC's.
• Resolve video distribution problems; troubleshoot MPEG streams with wrong descriptors.
• Test and troubleshoot an in-house packager application which segments a multicast transport stream into 10-second chunks for HTTP Live Streaming (HLS)
• Work with adaptive bit rates (ABR) using seven concurrent streams
• Configure bonding on Ethernet interfaces; force IGMP joins; enable processing of RTP headers
• Check MPEG transport segments for conformance by answering technical questions
• Actively operate on H.264 files to shorten playout time, change screen resolution, fine-tune the video frame rate, add Access Unit Delimiters, etc.
• Configure several thousand MPEG programs on QAM modulators, in each case selecting the exact video para-meters from streams off a nationwide multicast network.
• Analyzing network performance and protocols (TCP, UDP and RTP) knowledge on video on demand (VOD) channels and movies working on DIGITAL VIDEO Recorder (DVR).
• Understanding, ability to diagnose and troubleshoot VOD Back Office issues.
• Knowledge on Pay Per view (PPV) and good knowledge on Confidential and arris(motorola).
• MPEG troubleshooter and systems engineer, expert at distributing video streams across all types of devices, managing UNIX servers, and TCP/IP protocols DNCS and several Motorola DAC's.
• Write shell scripts and (Informix) SQL queries to extract video encryption and copy-protection info from the DNCS database, and then post results automatically onto a web page displaying the current channel map.
• Used Trace32/JTAG debug devices used for system level debug.
• Configuration of Confidential routers to interconnect all the preceding equipment.
• Testing experience in Audio and Video systems - Set top boxes, VOD, or IP VOD.
• Hardware integration of Satellite Phone, satellite Video, functional and final testers.
• Performing product functionality, usability and interoperability testing according to approved test plan and test schedule.
• Enable customers at the end points to select from hundreds of channels on the map, access a networked file system (e.g. for program guide data), and reach a restricted set of IP addresses

  Having good knowledge on DAC Arris Having good knowledge on DNCS.

Confidential, Philadelphia, PA

STB Test Engineer

Responsibilities:

• R&D team of functional and final electro-mechanical DirectPC testers.
• Troubleshooting and repaired PCB's.
• Test and troubleshoot an in-house packager application which segments a multicast transport stream into 10-second chunks for HTTP Live Streaming (HLS) .
• Work with adaptive bit rates (ABR) using seven concurrent streams.
• Working on technologies associated to live channel video or video-on-demand (VOD) streaming services.
• Configure bonding on Ethernet interfaces; force IGMP joins; enable processing of RTP headers.
• End to end testing of Linear, VOD and IP Dynamic Ad Insertion.
• Analyze output of Harmonic and Envivio transcoders, H.264 parsing applications, and the JM Reference Software.
• Actively operate on H.264 files to shorten playout time, change screen resolution, fine-tune the video frame rate, add Access Unit Delimiters, etc.
• Configure several thousand MPEG programs on QAM modulators, in each case selecting the exact video para-meters from streams off a nationwide multicast network.
• Check MPEG transport segments for conformance by answering technical questions such as: Where are the RAI points? Are the PUSI flags consistently set? What is the GOP substructure like? Are PTS values aligned? Are NAL’s dropped during processing?
• In preparation for a new UltraHD lab with HEVC encoders, become familiar with many features of H.265 syntax.
• Perform logical validation process of failures prior to dissemination of information to functional groups or suppliers.
• Provide feedback on test plans and procedures developed by Test Development and End to End Systems groups for the purpose of improving accuracy, clarity and quality of documents and execution.
• Performance day time special test: Client Standby Stress, Client Pandora Standby, SWM Power cycle, Trailer Streaming, Transcoding, Closed Caption, Start over, Broadband Stress, System Power Cycle, Double Play, Ad Insertion, Client Playlist.

Systems Test Engineer

Confidential, San Jose, CA.

Responsibilities:

• Assembly from scratch of video distribution centers, called head ends.
• Downlink MPEG video streams to satellite receivers, forward them to a multiplexer (for intermixing), then on to optical fiber or coax cable.
• Enable customers at the end points to select from hundreds of channels on the map, access a networked file system (e.g. for program guide data), and reach a restricted set of IP addresses.
• Troubleshoot dozens of specialized hosts inside the headend itself such as hosts needed for re-routing, MPEG encoding, and RF modulation of video content.
• Administration at all levels of Sun Solaris server called DNCS, which acts as central control for the other machines.
• Maintenance of optical-fiber links to neighborhood sub-centers called hubs, along with in-depth tech support of set-top boxes at customer premises and developers' desks.
• Configuration of Confidential routers to interconnect all the preceding equipment.
• Conceptualization and programming of several custom scripts such as an overall system snapshot, tracing device connections through the database, examining DSM-CC messages.
• Test and analyze new and existing STB products on tight schedules throughout the development cycle using Jenkins & Storm automation software tools.
• Outsource vendors, ordering spare parts for Fixtures/Testers. Modified PC's hardware and reconfiguration PC's for network, LAN/WAN.
• Work as a part of the software/hardware development test systems teams. Designed and built state of the art automation systems test racks, define the test requirements, test plans, configurations and procedures simulation/test equipment requirements, execute these automation tests.

Linux/Unix Administrator

Confidential, Irving, LA.

Responsibilities:

• Configuring/Installing Operating systems Sun Solaris 09 & Sun Solaris 10, RHEL5 and RHEL5.5 and various applications on it to make the server production ready.
• Installation of patches and kernel modules on various production and database boxes.
• RPM and YUM package installations, patch and other server management.
• Responsible for implementation, documentation, integration, problem resolution, root cause analysis, quality assurance, disaster recovery, audits, performance tuning, upgrades, OS backups, developing scripts, executing migrations, adding/removing users, space management, backups and recovery and all other daily system administration functions.
• Installing and configuring Apache (2.0) and supporting them on Linux production servers.
• Good Knowledge on shell scripting languages like Bourne shell, Korn, Perl shell.
• Deployed latest patches for, Linux and Application servers, Performed Red Hat Linux Kernel Tuning.
• Handling various production deployments.
• Responsible for configuring and managing Squid server in Linux.
• Involved in test planning, testing methods, including walkthroughs, simulations, joint testing, and surprise testing of real disasters as a part of Disaster recovery test drive.
• Liaised with DBA team for Oracle database installation, restoration, performance issues, network related issues on Unix Servers and with vendors for hardware related issues.
• Configured LUNs, created logical volumes, file systems, exported and mounted NetApp filers on host.
• Installed and configured StrongSwan Server, SQUID caching proxy on CentOS.
• Involving in the upgrade activities for the servers and applications.
• Interaction with Client to understand the needs and put the forth any queries regarding the assigned task for its successful completion.