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Varun Tewari

Varun Tewari

Development Engineer

Followers of Varun Tewari832 followers
location of Varun TewariSunnyvale, California, United States

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  • Timeline

  • About me

    Architecting bullet-proof networks for a threat-filled world. I lead innovation in high-performance, secure traffic steering and networking, enabling cutting-edge SASE/SSE solutions for unbreachable business ecosystems.

  • Education

    • Calicut Deemed University

      -
      B Tech CSE NIT

    • RDSO branch

      -

      CPI up to 8th Semester

    • Higher City Montessori School

      1999 - 2001
      ISC Science

    • City Montessori School

      1996 - 2001
      ICSE Maths Science

      Activities and Societies: ICSQCC, COFAS, MACFAIR, NTSE ICSE and ISC

    • Secondary City Montessori School ICSE

      1997 - 1999

    • National Institute of Technology Calicut

      2002 - 2006
      BTech Computers

      Activities and Societies: Seminars, Presentations, Organiser. Have been active in a considerable number of events n college, both tech frsts and cultural fests

    • National Institute of Technology Calicut

      2002 - 2006
      Bachelor of Technology Computer Science and Engineering

      Examination Institution Board/University SPI/Percentage Session

  • Experience

    • Cisco

      Jun 2006 - Dec 2011
      Development Engineer

      This is where I started my career with. Worked on layer 3 vpn solutions, tcp/ip network stack for Cisco IOS, and later had a chance to learn and work for next gen switches.Specifics include IOS SSH, EzVPN, SSLVPN(TLS/DTLS), AnyConnectClientSoftware, NextGen3k switches

    • Samsung Electronics

      Dec 2011 - Feb 2014
      Technical Lead

      Security and networking stack on embedded systems like psos vxworks.Specifics include developing applications on top of HTTP, SOAP, RSABSAFE, SMIME, SMTP and FIPS compliance

    • Riverbed Technology

      Feb 2014 - Oct 2021

      Riverbed SteelHead and SteelHead Mobile has been leading world product for making applications and networks work faster and tend to more responsive.However, over the years as network gets more stable, cheaper and deployment moves out of paid dedicated circuitry (ex. MPLS) into shared infrastructure(ex. Internet) the same problem presents itself in new form with different network characteristics and application behavior. This calls for revamping the technology and drive more innovation into it to achieve even better performance on non-dedicated lines with SDWAN defining the application routing at the edge and cloud centers.We are striving to dive into this to decipher these challenges and make applications and network more reliant, resilient and performance oriented. Show less Responsible for Riverbed Client Software running on Windows/OSX platforms to achieve WAN optimisation with the peer steelhead device.The work involves understanding on L3-L7 protocols, and their fallacies, windows filter driver/OSX kernel extensions development and debugging kernel level modules.Focussed on network stack, network programming and security aspects of end host.Also resposible for implementing FileAccess Protocols (Smb, Smb2/3) optimisation for Riverbed Steelheads, and dealing with Windows AD, and samba domain join tools Show less

      • Lead Architect for Riverbed new-age Client Accelerator and Wan-Opt solution

        Apr 2020 - Oct 2021

      • Technical Leader SteelConnect SDWAN firewalling and application based routing.

        Jun 2017 - Apr 2020

      • Technical Leader SteelHead Wan-Opt FS, SSL and Auth

        Jun 2016 - May 2017

      • Member of Technical Staff(Lead Developer) for SteelHead Mobile

        Feb 2014 - Jun 2016

    • Netskope

      Oct 2021 - now
      Lead for traffic steering technologies to enable world leading SASE and SSE.

  • Licenses & Certifications