Mgr. Jakub Jermar

Personal info and Contact

  • 36 years
  • Prague, Czech Republic


Education

  • 2000 - 2007, Master's degree from Computer Science at Faculty of Mathematics and Physics, Charles University in Prague, Czech Republic

Work Experience

  • 2011 - 2017, Researcher at AVAST Software
    • redesign and implementation of portions of the in-house JIT compiler of x86 binary code in C++
    • R&D project on the in-house binary translator and dynamic execution analyzer of Windows applications
    • reverse engineering the unikernel architecture of MS SQL Server for Linux
    • attending security related conferences around the globe, e.g. Black Hat, RECON and VB
    • delivering technical talks at security conferences (Security Session 2014, VB2014)
  • 2010 - 2011, Software Developer at Oracle
    • position gained as a result of acquisition of Sun Microsystems by Oracle
    • trainer and lecturer of the Crash Dump Analysis course
      • 2010 - five-day internal course at Oracle (x86 + SPARC)
      • 2011 - full university course (weekly lectures and labs) on crash dump analysis at Faculty of Mathematics and Physics, Charles University in Prague (x86 + SPARC)
  • 2006 - 2010, Software Engineer at Sun Microsystems
    • identifying, analyzing, rootcausing and fixing defects in Solaris 8, Solaris 9, Solaris 10 and Solaris Nevada kernels and system libraries and utilities
    • reviewing and inspecting code for peer engineers
    • attending various trainings and workweeks around the globe
    • participating in international conference calls
    • Lead Product Engineer role for the Fault Management Architecture in the kernel team of the Solaris sustaining organization
    • trainer and lecturer of the Crash Dump Analysis course
      • 2008 - four-day internal course at Sun Microsystems (x86)
      • 2008 - three-day course at Faculty of Mathematics and Physics, Charles University in Prague (x86)
      • 2009, 2010 - full university course (weekly lectures and labs) on crash dump analysis at Faculty of Mathematics and Physics, Charles University in Prague (x86 + SPARC)
    • supervising master thesis Port VMware Player to OpenSolaris at Czech Technical University

Skills

  • Fluent in English
  • Operating system kernel programming and customization
    • 2001 - present day - design and implementation of essential parts of the HelenOS operating system
    • 2003 - 2005 - a couple of small Linux kernel fixes
    • 2006 - 2011 - dozens of bug fixes and improvements in Solaris kernel and system code
  • Knowledge of system architectures
    • AMD64, IA-32, SPARC V9: in-depth knowledge and every day experience on both application and system architecture levels
    • IA-64, MIPS: infrequently refreshed in-depth knowledge on both application and system architecture levels
    • ARM, PPC: basic familiarity with the architectures
  • Reviewing technical papers and theses
    • supervised a master thesis at Czech Technical University
    • performed a handful of unofficial reviews of HelenOS master theses at Faculty of Mathematics and Physics, Charles University in Prague
  • Project/Team leadership
    • 2004 - present day - managing the agenda of the HelenOS development team, mentoring junior contributors and ensuring the project's strategic goals are being met
  • Speaker at technical (un)conferences
    • FOSDEM 2012-2016, Brussels, Belgium
    • Security Session 2014, Brno, Czech Republic
    • VB2014, Seattle, USA
  • Mentoring and networking
    • HelenOS organization administrator and mentor for Google SoC program in 2011, 2012, 2014 and 2017
    • HelenOS organization administrator and mentor for ESA SOCIS program in 2013
    • Participant of the Google SoC Mentor summit in 2012

Interests

  • History, Books, Foreign languages
  • Operating systems and Parallelism
  • Compilers

Highlights