Karl Kuehn

Karl Kuehn

Automation Engineer at RethinkDB

San Francisco Bay Area
Information Technology and Services

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Karl Kuehn's Overview

  • QA Lab Administrator at Apple Inc.
  • System Administrator - Contractor at Ryzen Solutions
  • Mac Image Developer at Leland Stanford Junior University
  • IT Support Specialist, Senior at University of Pennsylvania
  • IT Support Specialist at University of Pennsylvania - School of Veterinary Medicine
  • IT Consultant at Self Employed
  • IT Specialist at A Wish Come True
  • Appleton East High School
  • Bundesgymnasiums Bregenz-Blumenstraße
  • University of Wisconsin
  • Worcester Polytechnic Institute

67 connections


Karl Kuehn's Summary

Experienced automator, database developer, and knowledgeable MacOS admin seeks opportunity to develop complex distributed systems. Actively fluent in Python, SQL, Perl, and bash, with experience in C, Objective-C, AppleScript, and FileMaker. A dev-ops sysadmin who has successfully setup and run web servers (apache), MySQL, XSan, and FileMaker servers.

A recognized expert in imaging MacOS and automating the setup and running of large collections of computers with active development experience in Python, SQL, and Perl, along with recent projects in C, Objective-C, bash, AppleScript, and FileMaker. As well as an unusual level of experience in troubleshooting computers.

Karl Kuehn's Experience

Automation Engineer


Privately Held; 11-50 employees; Computer Software industry

April 2014Present (6 months) Mountain View, Ca

QA Lab Administrator

Apple Inc.

Public Company; 10,001+ employees; AAPL; Consumer Electronics industry

November 2010April 2014 (3 years 6 months) Cupertino, Ca

I administrate an automated QA testing lab that tests frameworks on a wide variety of hardware, including in-development hardware and firmware, troubleshoot issues that prevent that testing by developing the client that runs on them, as well as contribute to the development of the testing system.

I worked on the following projects:
· distributed download system significantly speeding delivery of multi-GiB files to hundreds of clients
· round-robin job scheduler implemented in SQL
· significant size reductions in SQL tables, and 10x-1,000x speedup in main SQL queries
· job post-processor rewritten for transactional safety and with progressive xml processing (SAX)
· de-duping image storage system with REST semantics
· automated firmware upgrade for in-development commuters
· extensive work on python testing client to survive in-development OSs and KEXTs

System Administrator - Contractor

Ryzen Solutions

Privately Held; 51-200 employees; Staffing and Recruiting industry

July 2009November 2010 (1 year 5 months)

Administrated two QA testing labs with 300+ computers as a contractor for Apple. One was mixed Windows and MacOS, while the other was an automated MacOS lab. I automated the OS imaging systems for both MacOS and Windows including the automated setup of drivers for Windows as well as planned and coordinated the moves and re-wiring of both labs.

Mac Image Developer

Leland Stanford Junior University

January 2008June 2009 (1 year 6 months)

Managed the system images for 500+ student use computers. Developed the scripts, programs, and imaging systems to support and deploy those images.

· Managed five Radmind images through a migration from 10.4 to 10.5
· Co-developed EFI boot layer for a dual-boot image and a system to image them
· Presented at the MacWorld 2009 and SIGUCCS 2008 conferences
· Put scripts and source code into a SVN repository synced to the Radmind transcripts
· Worked around Adobe CS4, Microsoft Office, and Apple's Final Cut Studio quirks
· Took over development of InstaDMG
· Wrote a loginwindow plugin
· Wrote a program to control volume mounting
· Developed idle logout script
· Developed a script to manage user home folders
· Implemented local MCX

IT Support Specialist, Senior

University of Pennsylvania

Educational Institution; 10,001+ employees; Higher Education industry

October 2006January 2008 (1 year 4 months)

Provided general support and developed FileMaker Pro databases for departments on campus.

· Developed database to manage donor events and produce annual reports
· Internship tracking systems with the ability to export to an Adobe Spry AJAX web page
· Created a Feline kidney transplant database
· Worked on documentation Wiki
· Provided expert level support to campus help desks
· Developed 802.1x installer

IT Support Specialist

University of Pennsylvania - School of Veterinary Medicine

May 2005October 2006 (1 year 6 months)

Supported research labs using Macs and assisted with the support of Windows labs.

· Brought Mac users "back into the fold"
· Developed local MCX system to enforce policy on student-use computer labs
· Created applications to access network resources
· Automated new computer setup

IT Consultant

Self Employed

August 2004May 2005 (10 months)

Consulted on networking and FileMaker Pro for small companies.

IT Specialist

A Wish Come True

May 2003August 2004 (1 year 4 months)

Supported desktop computers, created databases, and worked on the website.

· FileMaker SQL import system from DB/2
· Centralized servers
· Setup ColorSync workflow in InDesign
· Developed a digital filling system
· Supported graphics department (Photoshop and InDesign)

Karl Kuehn's Languages

  • English

    (Native or bilingual proficiency)
  • German

    (Full professional proficiency)

Karl Kuehn's Skills & Expertise

  1. OS X
  2. Mac
  3. Mac OS X Server
  4. Perl
  5. Servers
  6. Python
  7. SQL
  8. System Imaging
  9. Bash
  10. MySQL
  11. Objective-C
  12. Xsan
  13. Web Servers
  14. AppleScript
  15. FileMaker

Karl Kuehn's Education

Appleton East High School

High School


Bundesgymnasiums Bregenz-Blumenstraße

A year in Austria staying with a host family while attending an Austrian High School.

University of Wisconsin

Aeronautical Engineering

Worcester Polytechnic Institute

Aerospace Engineering

Karl Kuehn's Additional Information

Groups and Associations:

InstaDMG developers

Honors and Awards:

Presented three sessions at MacWorld 2009, and another session in 2010
Published a paper at SIGUCCS 2008 and presented it at the conference
Spoke at MacSysAdmin conferences in Göteborg, Sweden for the 2009 and 2010 sessions
Was a presenter at the inaugural MacTech conference in Los Angeles in 2010

Contact Karl for:

  • career opportunities
  • new ventures
  • job inquiries
  • expertise requests

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