Resume of Principle Software Engineer

Title
Principle Software Engineer

Primary Skills
Telecom embedded software

Location
US-NH-Nashua (will consider relocating)

Posted
Jan-17-08



A graduate (MS) in Electrical engineering from Indian Institute of Technology of India is highly experienced in software, firmware, NPU micro code and hardware design, development, and testing of telecommunication products. Experienced in design & development of digital switching network, digital trunk automatic exchanges, EPABX systems, CMTS, ATM, MPLS, CES and Ethernet networking and telecommunication embedded products.

EXPERIENCE

BigBand Networks, Westborough, MA
12/2006 -- Principle Software Engineer

Developed the software features for Cable Modem Terminating Systems. Developed the per flow queuing and downstream scheduling for cable modem terminating line cards. Implemented the MPEG Transport protocol to connect the Modular CMTS to edge QAM. These features are implemented in the fast path software of IXP1200 NPU. Presently working to resolve the customer issues of line cards and IXP 2800 based Gigabit Ethernet cards.

Lucent Technologies, Westford, MA
10/2005 -- 12/2006 DMTS -- Distinctive Member of Technical Staff
1/2001 -- 9/2005 Principle Software Engineer

Lead a platform team of multiple locations in the design and development of gigabit Ethernet card for a multi service switch product. Involved in all the stages of the development of card including specifications, architecture, functional and design of the Ethernet card software. Designed and written the traffic module software for IXP2800 NPU micro engines. The traffic module includes queuing, shaping and scheduling of data traffic. Successfully completed the project with the teams situated in multiple locations. Visited Indian Development center twice for training the engineers and project planning.
Worked in the design and development of Circuit Emulation Service card. Circuit Emulation Service card provide T1/E1 services for mobile backhaul on Ethernet Access Transport Network. Designed and developed multi class extension of MLPPP protocol software in fast path of IXP1200 for packet switch exchanges.
Involved in the design and development of traffic management software, device drivers and traffic flow control processor software. Resolved customer critical issues in multi service WAN switches and packet switches, which support core ATM, frame relay and IP. Involved in debugging of software problems in device drivers & system software of T1, DS3, E1, IWU, HSSI, OC3, OC12, NPU, IMA, MLFR, processor, timing, and speech modules. Worked more than 150 different customers defects and resolved the issues in timely manner. Followed the software Engineering Methods, Patch process, code Review process for developing, enhancing and fixing software features or defects. Participated in the design and code reviews to improve the over all software quality. Worked on issues of customers like AT&T, VERIZON, SBC, AGNS, Sprint, Quest, Bell South, Bezeq, Cegetel, KPN, NTT, USLEC, and Embertel, who are spread across all the continents.

6/2000 - 12/2000 American Megatrends, Atlanta, GA
Senior Firmware Engineer

Lead a team of engineers in the development of enclosure management system and baseboard management control. Enclosure management system is a back plane based on Vitesse controller VSC205, which monitors the temperature, power supply, fans and SCSI drives. The BMC is based on National skipper CR16B controller monitors the sensors, maintains system event logs and system data records.

Linkwell TeleSystems Ltd, Hyderabad, India
6/1996 - 5/2000 Senior Consultant (R&D)

Managed and lead a team of 20 technical people in the design and development of Telecommunication terminal equipment. Designed and developed the hardware and software of different models of EPABX systems. The software is developed in assembly and C languages based on in-house developed RTOS.
Designed and developed public call office systems, conference systems and auto caller systems. The PCO systems and auto caller are based on 80c31 micro controllers and conference system is based on 89c51. The software is developed in assembly and c languages. Designed and developed payphones, local call meters and telephones. They are based on SGS 62T25 micro controllers.
Designed sleek models of push button telephones for both hands held and hand free applications. Designed and developed auto fax guard, boss secretary system, Caller id and voice mail systems. The systems are based on 68HC05, 80c31, and 89C51 micro controllers.

Datanet Corporation Ltd, Bangalore, India
6/1995 - 6/1996 Senior Manager

Lead a team of engineers in the development of interactive voice response system called Teleserver. It is useful for Tele-banking, Tele-enquiry and Tele-shopping. Teleserver consists of telephone interactive cards and in-house developed software.

Indian Telephone Industries Ltd, Bangalore, India
2/1987 - 6/1995 Senior Engineer

Worked in the development of voice switch of defence switching network. The digital exchange services local subscriber extensions, analog trunks and digital trunks. Have been involved in the development, integration and commissioning of voice switches. Have been involved in the design and development of software and hardware of E1 digital trunks, data line interface and network synchronizer cards.
Involved in the development of digital trunk automatic exchange (DTAX), which uses E1 digital trunk cards for networking. Have developed the software for the tariff processor unit, which is used for keeping the tariff data and for sending the metering information for incoming junctions. To improve busy hour call attempts (BHCA) of the Digital TAX designed a new 80c188-processor card.
Involved in the design and development of hardware and software of PCM call simulator. PCM call simulator is used to conduct BHCA and service quality tests on switching systems with E1 trunks. Simulator is based on 80C186 micro controller and software is developed in assembly and C languages.
Involved in the design and development of hardware and software of base band Controller of TDM/TDMA VSAT Network. The BBC was based on 80C186 micro controller and software is developed in assembly and C language.




ACCOMPLISHMENTS

* Managed a team of 20 Engineers and technical personnel in the development of telecommunication products.
* Lead a cross continental platform team in the development of Ethernet cards.
* Received awards for R&D Division in 1997, 1998 and Motorola prize in "Discover an inventor contest".
* Played major role in the design and development of defense switching network.
*Hands on experience in testing equipment like storage oscilloscopes, logic analyzer, digital transmitting analyzers, telephone testing equipment, protocol analyzers, universal programmers, PCM testing equipment, I2C analyzer, function generator, traffic generator.
* Software Tools: Logic analyzers, HP software developing systems, and Intel MDS, cross compilers, in circuit emulators, ROM emulators.
* Microprocessors / Micro controllers: Intel 8085, 80c186, 80c188, 80c31, Motorola 68HC05, Atmel 89c2051, 89c51, SGS ST62T15, ST62T25, PIC 16c57, Intel i960, IXP1200, IXP2800, Maker MXT3010, Wintegra WIN780, and Vitesse VSC205.
* Skills: Assembly, C, C++, RTOS, NPU micro code, firmware and hardware.
* Developed the automatic testing aids required for the easy production.
* Guided graduate and postgraduate students to complete their project works for academic purpose.

EDUCATION

Master's Degree
M.TECH (MS) in Electrical Engineering 12/1986
Indian Institute of Technology India, Kharagpur, WB
INDIA

Bachelor's Degree
B.E (BS) in Electrical & Electronics Engineering 04/1984
Andhra University, WALTAIR, AP
INDIA

Certifications
See above


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