Resume

1. KAVITA RAGHUNATHAN
Plano, TX 75025
speak2kavita@gmail.com
972 814 4205
An accomplished SOFTWARE ENGINEER, specializing in software development in various industries with 15+ years of
extensive experience in various aspects ofsoftware engineering.
SUMMARY OF SKILLS
Excellent skills applicable to product development environment
 Software Architect (using C++/C#/UML/Object oriented design)
 Abstract thinker/problem solver with ability to convert abstract concepts to code
 Team player, specializing in communicating with small teams
 System Analyst with expertise in understanding and debugging complex systems
 Ability to integrate open source with existing systems
 Expertise with operating systems concepts
TECHNICAL EXPERTISE
Operating Systems Embedded OS; Unix, Solaris, Linux, OSE, pSOS, Windows XP, Windows7, OSx, Windows server
Protocols IS-IS, OSPF, SSH, RTP, TCP/IP, HTTP, SNMP, SOAP, SIP, H.264, G.722.1, H.323
Technology WDM, SONET, Gigabit Ethernet, OC-48,OC-192, 802.3, GSM, Freespace optics
Hardware HDX-8000 series, Monitors, IP Routers/servers/switches,Optical/video/audio routers
Languages C#,C, C++, Html, Java, C#, Object Oriented Design, UML, HTML
Tools Greenhills, DOORS, Visio, Rational Rose, Clearcase, Enterprise Architect, JTAG, Visual Studio
Linux Tools Valgrind, tcpdump, uboot,rootfs, autoconf, cross compiler, gdb, busybox, openssh,ddd,net-snmp
Test Tools Smartbits, Ixia, ANVL, Netperf, Spirent, NMAP, RPS, Wireshark, ANTS memory profiler
Scripting Perl, Shell, Expect, TCL/TK scripting for regression testing,VB scripting, Javascript
Applications Microsoft Excel, Sharepoint, Project, Powerpoint, Word, Outlook, Bugzilla; SVN, VSS, SCM
Design Patterns Factory, builder, fascade, singleton,composite, mediator, iterator, chain of responsibility
PROFESSIONAL EXPERIENCE
Xtera Communications Feb 2016-Present
Software Engineer
 Worked on a significant project alone: porting legacy controller software from OSE operating systemto linux
APCON Inc, Richardson TX Aug 2014-Present
Senior Software Engineer,Networking and switching systems, C, C++
 Designed a sync handler systemthat takes inputs,and sends out sync notifications to listeners. Used C++ templates
and observerand composite design patterns.
 Worked on Marvel chip bobcat2 and lion2 designs and debugged issues with auto tuning and packet bufferin g.
Studied specs and interfaced with the hardware engineers.
 Worked on various different products for network monitoring for Apcon and fixed bugs in various layers of the stack
in the blade and controller areas.
DCG Systems, Richardson TX Aug 2013-July 2014
Staff Software Engineer,NanoProbing systems, C++, C#
 Understanding the scientific instrument Semiconductor technology and nanoprober applications
 Architecture of nanoprobing applications and framework
 Requirements gathering to code in an agile environment
 Debugging/Coding requirements C#, C++ (managed), Scripting
Ignite Technologies, Frisco TX Mar 2013-Aug 2013
Lead Software Engineer,Ignite Platform group,C++

2.  Quick ramp-up time to learn the architecture of complex distributed services environment and debugging/coding.
 Worked on problem solving a Software As A Service (SAAS) based architecture of multi-server Ignite application
using C++ and C# on Visual Studio 6,8,10. Used COM, STL, MFC and .NET for the applications.
 Assisted with ticket management, project management and process management.
 Helped in research of new platform requirements and approach to build software architecture of new platform
 Helped in verification of systemtestcases to verify working of the platform software
Stryker Communications, Flower Mound TX Jul2011-Mar 2013
Senior Software Engineer,Medical devices,Audio/Video router, C++, C#
 Demonstrated quick ramp-up of medical device software engineering and processes
 Hands on troubleshooting,operations and installation in hospitals of the legacy Stryker ORIS (Operating Room
Integrated Systems) that transport and route audio and video out of the operating room.
 Architected, coded,tested and problem solved the video conferencing software features added to the Stryker ORIS as
part of a new release called Connect Suite.
 Assisted with testing,medical device FDA audits for the product and worked with overall project team (RA/QA,
marketing, offshore team) using medical device processes to get the product released
 Built expertise in audio/video hardware debugging and calls software debugging.
 Team lead of SPI3Lite, worked on architecture, coding and testing smaller shelf version of Stryker SPI (Switch Point
Infinity) in the areas of software architecture, using C#, C++, Javascript, html
 Software Integration Testing and complex thirdparty video conferencing equipment troubleshooting of overall system
with emphasis on Polycom HDS for ConnectSuite system.
 Worked as the verification testerfor switch point infinity and connect suite to fill in gaps with resources,found a
variety of issues on the system.
Rockwell Collins, Richardson TX Jan 2011-Jul2011
SeniorSoftware Design Engineer, Avionicsand Aerospace software and technology,Java
Implemented preliminary design from requirements and subsequent detailed design using OO and UML for:
 Mutual exclusion algorithm based on Chandy-Misra Algorithm
 Directory sharing algorithm based on Wuu-Bernstein directory algorithm for status engine for the SCP system
 Message Router to route traffic in the SCP system
 Used design patterns to solve the problems stated above using systemsequences,activity diagrams and state diagrams
SkyFiber Inc, Plano TX July 2009-Jan 2011
Principal Software Engineer, Individual Contributor,Free space optics system, C++
 System test lead and liaison with vendors for test equipment evaluation.
 Architected the user interfaces using CLI interface (CLISH) ported to the linux environment
 Designed the database using SQL (sqlite) ported to the linux environment
 Designed and implemented the configuration and management (OA&M) of the system
 Designed SNMP proprietary MIBs, MIB developer, ported and architecture net-snmp into Skyfiber system.
Fujitsu Network Communications, Richardson, TX Mar 1998-Mar 2009
Senior Software Engineer, Information Security, C++ (June 2008 –May 2009)
 Interacted with customer, liaison to product planning, systems engineering team to jointly secure/understand the
requirements to reuse common software between the various Fujitsu product lines.
 Created the concept of policy based security and designed security subsystem.Security go-to person.
 Architected & led team effort to implement user security subsystemusing C++; password and useraging, inhibiting &
authenticating,role based security, intrusion detection/blocking, port disabling, prevention of DOS
Software Engineer, Network Security, C++ (June 2007 – May 2008)
Responsible for different aspects of network security;including re-designing/architecting network interfaces
 Ported SSH/SFTP code into software environment, SSH enhancements for Fujitsu 9500 product using C, C++.
 Wrote white paper to study vulnerability of Fujitsu systems to DOS attacks; analyzed code paths that could lead to
resource consumption; proposed various areas in systemvulnerable to a DOS attack and solutions to prevent it.

3.  Engineered and implemented rate limiting to prevent DOS attacks on Fujitsu 9500 systemwith analysis,simulation.
Software Engineer, User Interfaces, C++ (Nov 2006 – May 2007)
Solve problem of introduction ofincreased security requirements (SSH and CLI) into decade old legacy software
 Researched existing software system,discovering legacy software incapable of inheriting new functionality
 Re-designed, re-wrote user interfaces subsystemusing UML notations, object oriented design and C++.
 Designed flexibly using patterns,easily extensible to different types ofinterfaces; SSH, telnet, mediation and CRAFT
over IP or OSI and TL1 or CLI.
Software Engineer: WDM for Verizon RFP, C++ (2006-2007)
Selected as lead engineerfor quick delivery of new product for Verizon Labs.
 Designed and programmed configuration module on the network element for provisioning the WSS, AMP units
 Test lead for WDM provisioning on simulation cards; performed hardware/software integration
 Designing/coding of FLASHWAVE 7500 small shelf with ROADM technology with switch cards,amp cards.
Software Engineer: Individual Contributor, Subject Matter Expert in Datacom (2003 -2006)
Debugging and system testing of various releases and configurations of FLASHWAVE 7500
 Provided debugging and root cause analysis; complex problem debugging and resolution of several releases of
Fujitsu’s product debugging customer related problems in IS-IS, OSPF and IP stack.
 Single person systemtest team creatively re-used lab equipment from different products to create/simulate large
network, cloud tests and stress-test interactions ofvarious protocols:OSPF, ISIS, and IP
 Protection switching feature on SDCC interfaces; protection switches/faults retain data communications to client HW.
Software Engineer: Subject Matter Expert in OSPF (2002-2003)
Company’s OSPF domain knowledge existed in partner company (Nexion);company shutdown.No transitioning time.
 As the in-house IP expert, resolved design of OSPF subsystem, reconstructed design to completion in a short fast-
paced timeframe; involved reading through,requiring understanding ofOSPF RFCs to become expert in OSPF
 Ported Phase2 OSPF software onto FreeBSD stack; fixed device driver/IP stack/OSPF stack interaction problems;
simultaneously debugged and fixed both OSPF, as well as IP stack/device driver problems.
 Implemented OSPF architecture and design using C++ with product specific extensions/wrappers for provisioning,
traps, secondary level routing tables for OSPF to run on Fujitsu’s FLASHWAVE 7500 R1.1.
Software Engineer: Subject Matter Expert on IP stack (network L3, layers) (2001-2002)
Company was moving into datacom with theirpacket transport needed IP expert
 Compared different IP stacks: INET, FreeBSD, NetBSD; wrote white paper identifying reasons for selection of
FreeBSD. Received compliments on thoroughness,research,content of white paper from engineers, management.
 Ported FreeBSD IP stack on OSE kernel; re-architected FreeBSD processes and messaging/layers to fit into software
architecture; re-wrote sections ofFreeBSD involving timer architecture, interprocess messaging, semaphore
structures,interrupt processing; modified device driver interfaces, application socket layer interface to include OSE
traps; makefiles and header file changes to not use the OSE’s IP stack INET.
Nokia Telecommunications, Las Colinas, TX June 1997-Mar 1998
Software Engineer,Base Station software for GSM
EDUCATION AND PROFESSIONAL DEVELOPMENT
Education Masters in Computer Engineering, TexasA&MUniversity May 1997
Research Assistant,Computer Science Department, Robotics lab
Teaching Assistant,Engineering 109 (FORTRAN 90)
Research Assistant,SystemAdministration Assistant
Professional Dale Carnegie Immersion Seminar
Toastmaster’s best speaker award

4. Leadership seminars
pSOS, C++, UML, CCNA, ESD, Object Oriented Design, TCP/IP
AWARDS
 Peer Award for my contributions on the ROADM project in FLASHWAVE 9500 R2
 Spot Award for my contributions in Flash192 R3
 President’s gold level award for FLASHWAVE 9500 R1
 President’s award for technical achievement for Flash192 R3
US Citizen
References available on request.