Dhanunjayarao N

Software Engineer

Milpitas, California, United States21 yrs 10 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

19+ years in telecom embedded systems software.
Expertise in Cisco IOS/XR routers and switches.
Proven track record in troubleshooting complex network issues.

Stackforce AI infers this person is a Telecommunications expert with strong embedded systems and networking skills.

Contact

Skills

Core Skills

Embedded SystemsNetworking

Other Skills

CLinuxTCP/IP protocol suiteSocketRouting ProtocolsDebuggingMulticastDevice DriversSONET/SDHADSLVideo over ADSLCisco IOSVxWorksClearCaseIP Multicast

About

Over 19+ years of professional experience with skills in design, development and testing of telecom embedded and Networking systems software with strong expertise in Linux system level, C,C++-programming, device drivers, TCP/IP protocol suite and network L4/L3/Multicast/L2 protocols software for products like Cisco Routers and Switches, SONET/SDH/GPON- Broadband Loop Carrier and Add Drop Multiplexer.

Experience

21 yrs 10 mos

Total Experience

5 yrs 5 mos

Average Tenure

9 yrs 8 mos

Current Experience

Cisco

Network Architect/SME

Oct 2016 – Present · 9 yrs 8 mos

Expertise in Cisco IOS/XR based routers and switches: Extremely familiar with software design/architecture and the IOS (+XR) operating system. Worked on control plane/data plane designed systems.
Technical expertise: Strong in design and development of embedded networking software. Proficiency in C, Linux and multithreaded/multiprocess programming. Strong Experience in Cisco’s Development/Debugging processes.
Networking: Good at networking, TCP/IP protocol suite, Socket, TCP proxy, L2/L3(packet forwarding routing infrastructures) and Routing Protocols(OSPF,EIGRP and BGP). Experience in Multicast- PIM (SM,DM,SSM,BIDIR), MVPN, AutoRP,IGMP. Working knowledge on Layer2 protocols that include EoMPLS, Link aggregation.
Expert in debugging: Trouble shooting in large real-time multi-threaded applications and network failures in areas of Network (Core, Edge). Expertise in Crash info/CORE files analysis, out of box thinking for solving sticky/corner issues.
Expertise in handling several customers and solved several issues. Worked on several CAP cases for AT&T, Verizon and PSIRT customers.
Have hands on experience on various Cisco routers/switches like NCS5k, N7K, CRS1, CRSx, ASR9k, C7200, Cat6500, GSR and IOU.

CLinuxTCP/IP protocol suiteSocketRouting ProtocolsDebugging+2

Konka soft

Project Specialist

Jun 2016 – Sep 2016 · 3 mos · Sanjose · Remote

Hcltech

Technical Manager

May 2007 – May 2016 · 9 yrs · India · On-site

Good at Routing Protocols OSPF, EIGRP and BGP.
Expertise in Multicast- PIM (SM, DM, SSM), MVPN, AutoRP, IGMP. MLD, MPLS,
Expertise in networking, TCP/IP protocol suite, Socket, TCP, UDP, LPTS
Expertise in TCP-Proxy.
Have experience in client-server architecture and programming.
Expertise in Cisco IOS/XR based routers and switches.
Extremely familiar with software design/architecture and the IOS (+XR) operating system. Worked on
control plane/data plane designed systems.
Strong Experience in Cisco’s Development/Debugging processes.
Expert in debugging and Trouble shooting in large real-time multi-threaded applications and network
failures in areas of Network (Core, Edge).
Expertise in Crash info/CORE files analysis, out of box thinking for solving sticky/corner issues.
Expertise in handling several customers and solved several issues. Worked on several customer cases for
AT&T, Verizon and PSIRT customers. Got several customer appreciations and SPARC awards.
Got Engineering Excellence of NOSTG group award and several sparc awards in Cisco.
Have hands on experience on various Cisco routers/switches like NCS5k, N7K, CRS1, CRSx, ASR9k, ASR1k,
C7200, Cat6500, GSR, NG3k, Cat4500e, Cat3k and IOU.

Routing ProtocolsMulticastTCP/IP protocol suiteDebuggingNetworkingEmbedded Systems

Xalted networks

Member Technical Staff II

May 2004 – Apr 2007 · 2 yrs 11 mos · Bangalore, India

Expertise in device driver development and testing for SONET/SDH Performance Monitoring and Alarms in Switch Framer Card for Ruby chipset of Crimson micro System(USA).
Expertise in device driver development for the ACS8530 device for SETS application in System Controller card.
Design and development of the software for the Synchronous Status Message (SSM) in the system to avoid the timing loops in the system.
Worked closely with the China/India HW team in solving the clocking issues of the system.
Expertise in developing Video over ADSL using IGMP for “Triple Play Service”.
Implemented IGMP v2 protocol software for ADSL line card.
Have the hands on experience on the Set-Top Box’s (STB) and ADSL2/ADSL2+ modems.
Done several demos of the End to End system for BSNL and Airtel Telecom companies.