Senior Engineer Resume Santa Clara, California - Hire IT People

SUMMARY

Innovate and implement unified communication systems over data networks. Current areas of interest are: manage, direct or engineer at senior level for engineering team for high quality commercial grade products.
Developed Media Gateway (V - Gate) product.The V-Gate received highest honors at Twentieth Annual TeleCon Awards Ceremony.
For Unified Communicator uniquely implemented through research for audio capturing, rendering and its real-time transmission. TMC Labs has recognized this product as one of groundbreaking new unified communications products.
Uniquely designed and developed commercial grade call recording server for . This product awarded by TMC Lab.
Implemented a gateway between WebRTC and IP-PBX for UC product of Confidential .
Worked as space technology officer at Indian Space Agency, ISRO.

TECHNICAL SKILLS

Operating Systems: Linux, Windows. Various Audio and Video codecs

Programming Languages: C, C++ and Scripts

Tools: Digital Signal Processing Instruments Code Composer Studio (CCS)

PROFESSIONAL EXPERIENCE

Confidential, Santa Clara, California

Senior Engineer

Responsibilities:

Individually developed and deployed a commercial grade class 5 SIP call recording (SIPRec) product for Confidential 's hosted IP- PBX service. The implementation is in accordance with Broadsoft IP- PBX third party call record service specification.
The call recording support G.711A/u, iLBC, gsm, G.722 and Opus audio codes. Broadsoft IP-PBX application server makes SIP session with the Call Record server and sends RTP media. Call pause, resume and on-demand recording are supported. Output wave file is converted into MP3 and played via user portal for customers.
Individually contributed and production deployed the commercial grade call recording server for Broadsoft IP-PBX based on SIPRec. Maintenance and upgrade of the call record server.
Confidential ’s Hosted IP-PBX,VoIP, SIP/SDP/RTP standards, Audio Codecs, C, C++ and Linux CentOS 6 64-bit. RFCs on SIP-Recording. IP-PBX Service Evaluation
Developed a LAN Assessment Software (Server and Client) to evaluate quality and feasibility of Confidential ’s IP-PBX services for client premises. It makes actual VoIP calls to Confidential network. Measures network impairments for VoIP telephony calls.
Individually contributed and production deployed for this evaluation utility.

Environment: C, C++, Audio Codecs (G.711A/u and G.729A), PJSIP and CentOS 6 64-bit. Gateway between WebRTC and IP-PBX

Confidential, San Jose, California

Senior Research Engineer

Responsibilities:

Project involves high quality audio capturing and rendering for a unified communication soft-phone product. Audio capturing involves Acoustic Echo Cancellation(AEC) on Windows OS platform. AEC captured audio is encoded in G729, G711 or iLBC audio codec and transmitted in RTP protocol.
Similarly, the encoded audio is decoded and rendered for playing. A dynamic link library developed which is used as an ActiveX add-on for IE browser and native library for Adobe’s AIR cross-development platform.
Individually contributed and completed for best quality audio library for the above described work.

Environment: IP-PBX, C, C++, audio Codecs (G.729, G.711A/u and iLBC), Microsoft Visual Studio and Windows.

Confidential, Maryland, USA

VoIP Gateway

Responsibilities:

Residential and enterprise gateway products from Texas Instruments (TI) provide complete, cost-effective VoIP solution for products targeted for consumer and industrial telephony service. It involves DSPs for real-time signal processing and the TI’s software.
These products connect between analog telephony and VoIP calls. Certificate of advanced DSP workship is attached at the end of this resume. Interworking between analog and SIP(VoIP) telephony

Environment: C, Embedded Linux, VxWorks and TI DSP

Confidential, California, USA

MPLS/ATM Networks

Responsibilities:

Cisco MGX-8850 Wide-Area Edge Switch is carrier-class broadband switch that integrates services and service management capabilities on a single platform. The hardware mainly includes processor switch module (PXM), service resource modules (SRM)
Frame service module (FRSM) and route processor module (RPM). Together RPM and PXM can function as label switch controller (LSC) for MPLS network.