Joseph J. Klemmer


4979 Karen Rd.
Dale City, VA 22193
United States



  • Operating Systems: Linux, Solaris, MS Windows, Android, OS X, MacOS, MVS
  • Programming Languages: Java, JavaScript, shell, C++, Python, Php, Perl, C#, COBOL, CICS, etc
  • Development Toolkits: DirectX, Torque Engine, UDK, Unity, Game Maker
  • Applications: Visual Studio 2008/2010, MS Office 2007/2010, Apache, MySQL, SQLite

  • Held a Top Secret (DoD) Clearance
  • Strong knowledge of UNIX System Administration
  • Have written articles and reviews for Linux Journal, Federal Computer Week and Linux Weekly News.  (See Publications Section)
  • Linux Professional Institute (LPI) Level-1 Linux Certification
  • Brainbench Red Hat Linux SysAdmin Certification
  • Understanding and knowledge of Networking Architectures and Topologies

Work experience

Independent Game Developer Jan 2013 — Present

  • Design, build and distribute video/computer games for MS Windows, Linux, Mac OS X, Android, iOS and the Web
  • Game engines used include Unreal Development Kit (UDK), Unity 3D, LiveCode, GameMaker, Torque and custom built engine
  • Languages used include C/C++, C#, LiveCode, Java, Python, HTML/CSS/JavaScript

Celerity IT Jan 2005 — Feb 2005

  • Developed two training courses; "Intro to Linux" and "Advanced Intro to Linux" to be given to both Management and Developers at Boscov's (a large chain of department stores).
  • Performed three weeks of training on said courses at the HQ of Boscov's in Reading PA.
  • Adapted the Adios Linux Live CD for use as a hands-on training tool.

US Army, Chief Technology Office Oct 1999 — Nov 2004

Senior System Engineer
  • Assisted in the management of the Army's overall online presence, specifically the Army Knowledge Online (AKO) portal, by far the largest global Intranet with over 1.7 million users world wide.
  • Developed utilities and applications in php, perl & other languages for in-house, site-wide use by multiple departments.
  • Administered various UNIX systems including Sun Solaris and Red Hat Linux on both the classified and unclassified networks.
  • Monitored, managed and trouble-shot network infrastructure for all of the CTO.
  • Performed extensive research activities to find new technologies and new business solutions to improve the numerous systems supported by the CTO.
  • Served as a security analysts at both the network and systems level working with both Firewall and Intrusion Detection System (IDS) technologies.

WebTrek L.L.C. Jan 1996 — Dec 2002

  • Extensive knowledge of Linux and the Open Source world.
  • Did contract work for the Executive Office of the President.
  • Performed System Administration and management for multiple UNIX/Linux server system.
  • Develop custom applications for clients using COBOL, php, perl, etc.
  • Develop Palm OS applications.
  • Sell, maintain and administer GNAT Box firewall systems.
  • Administer HTTP servers Apache & WN.
  • Develop CGI programs in perl, php, and various other languages as needed.
  • Build, maintain and develop applications using MySQL.
  • Meet with clients to work out project specifications.

US Army Publishing Agency Oct 1994 — Feb 1999

Computer Specialist (Programmer)
  • Administer 4 Linux servers and 1 AIX server.
  • Develop CGI applications using perl, php, shell, C/C++ and various other development tools.
  • Built and maintain applications using MySQL.
  • Developed programs to interface the web and email to the IBM mainframe COBOL legacy systems.
  • Develop as-needed COBOL programs on the mainframe to interface the data from the web/email into the IBM mainframe COBOL legacy systems.
  • Research new technologies for the purpose of better conducting business processes for the organization.


Links to the following can be found at
  • Interview with Rootkit Hunter author Michael Boelen - Linux Weekly News 09/30/2004
  • Interview with Cobind's David Watson - Linux Weekly News 08/12/2004
  • Review of Cobind Linux - Linux Weekly News 07/22/2004
  • A Short History of Linux Distributions - Linux Weekly News 07/01/2004
  • New Age of Languages - Linux Weekly News 06/24/2004
  • Building Packages From Source With CheckInstall - Linux Weekly News 06/03/2004
  • Interview with Plan-B creator J. McDaniel - Linux Weekly News 04/15/2004
  • Why the Caldera/SCO Group issue matters - Slashdot Comment 10/06/2003
  • Open source by any other name? - NewsForge 10/04/2003
  • Some thoughts on the fall of Bagdad - 04/09/2003
  • Interview with a Grandmother - Linux Journal 01/10/2003
  • OEone HomeBase 1.0 Linux Review, Part II - Linux Weekly News 05/02/2002
  • OEone HomeBase 1.0 Linux Review - Linux Weekly News 04/04/2002
  • The age of innocence - Federal Computer Week 12/21/2000
  • SSL isn't the only "Secure" protocol - Federal Computer Week 07/06/2000
  • Use the Source, Luke - Federal Computer Week 05/11/2000
  • The Web is no place for geek speak - Federal Computer Week 03/09/2000
  • Linux in the U.S. Army - Linux Journal 06/01/1996

Professional Affiliations

  • Member International Game Developers Association (IDGA), 10-present
  • Member Association for Computing Machinery (ACM), 08-present
  • Member US Internet Industry Association (USIIA), 99-02
  • Member Association of Online Professionals (AOP), 94-99
  • Member Capitol Area System Administrators (CASA), 95-99; Served as President in 1998


  • Programming Languages
  • Formula 1 Racing
  • Japanese Professional Sumo
  • F&SF Books, Movies and TV


Game Software Development Oct 2008 — Aug 2011

Westwood College Online

Undergraduate Jan 1982 — May 1982

University of Maryland, Munich Germany

Undergraduate Aug 1981 — Dec 1981

Waynsberg College, Waynsberg PA

Undergraduate Aug 1980 — Dec 1980

University of Maryland, Munich Germany


References available upon request.
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