- * **Frameworks and APIs**: POSIX, Qt, Gtk, STL, Boost, WIN32, MFC
- * **Programming Techniques**: OOP, generic programming, metaprogramming, real-time, event-driven, multithreading
- * **Development Tools**: GCC toolchain, GNU make, auto-tools, MSVC, XCode, Codewarrior, IAR, Code Composer Studio, BSO Tasking
- * **Version Control**: Git, Subversion, CVS, Rational Clearcase, Source Safe
+ * **Development Tools**: GCC toolchain (contributor), LLVM, MSVC, XCode, Codewarrior, IAR, Code Composer Studio, BSO Tasking
+ * **Frameworks and APIs**: POSIX, Qt, Gtk, OpenGL, STL/Boost, WIN32, MFC, Protobufs, Google APIs
+ * **Programming Techniques**: OOP, template metaprogramming, multithreading, real-time and event-driven systems
+ * **Version Control**: Git, Subversion, Perforce, CVS, Clearcase, Source Safe
+
+ * **Sysadmin**: KVM, XEN, Docker, Puppet, systemd, Nagios, Munin
+ * **Server software**: BIND, Exim, Qmail, Postfix, Apache, MySQL, PostgreSQL, Mediawiki, Asterisk
+ * **Networking**: TCP/IP, HTTP(S), IPv6, DNSSEC, BGP routing