Criterion Systems, Inc.

Senior Linux Administrator

Job Locations US-MO-Kansas City
Information Technology
Regular Full-Time


At Criterion Systems, we developed a different kind of business—a company whose real value is a reputation for excellence built upon the collective skills, talents, perspectives, and backgrounds of its people. By accepting a position with Criterion Systems, you will join a group of professionals with a collaborative mindset where we share ideas and foster professional development to accomplish our goals. In addition to our great culture, we also offer competitive compensation and benefit packages, company-sponsored team building events, and advancement opportunities. To find out more about how Criterion can help you take your career to the next level please visit our website:


Our expert-level staff analyze, create, implement, and support cutting edge technologies in support of the Digital Infrastructure Services Center (DISC) contract for the USDA provides critical IT infrastructure, data center services, and cloud hosting for vital federal government functions.  


  • Perform full lifecycle management of Red Hat Enterprise Linux and/or CentOS systems in a large-scale enterprise environment.
  • Interact with a variety of internal and external teams to solve complex data center customer issues crossing boundaries of responsibility.
  • Utilize a ticket-tracking system (BMC Remedy) to meet appropriate SLAs for resolution of data center customer incidents.
  • Review operating system vulnerability scan results and research/recommend resolutions for findings.
  • Install Linux patches and apply approved operating system configuration changes.


  • U.S. Citizenship is required.
  • Must be able to obtain and maintain a Public Trust Clearance.
  • Minimum 6 years of experience with job related skills.
  • Bachelor’s Degree in relevant field or equivalent work experience in lieu of degree.
  • Four (4) years relevant experience with Linux System Administration..
  • Experience reading, writing, or modifying scripts in at least one of the following languages (Bash, Perl, Python)
  • Fluent with the Linux command line interface.
  • Must understand Linux internals (system calls, file systems, processes, etc.)
  • Must understand TCP/IP and related protocols (HTTP, FTP, NFS, etc.)
  • Experience with server automation tools such as BladeLogic BSA, Ansible, Puppet, or Chef.
  • Experience with enterprise VMWare virtualization products such as vSphere or vCenter.
  • Knowledge of OpenStack and cloud technology.


Criterion Systems, Inc. and is subsidiaries are committed to equal employment opportunity and non-discrimination at all levels of our organization.  We believe in treating all applicants and employees fairly and make employment decisions without regard to any individual’s protected status:  race, ethnicity, color, national origin, ancestry, religion, creed, sex/gender, gender identity/gender expression, sexual orientation, physical and mental disability, marital/parental status, pregnancy (including childbirth, lactation, and related medical conditions), age, genetic information (including characteristics and testing), military and veteran status, or any other characteristic protected by law. For our complete EEO/AA and Pay Transparency statement, please visit


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