Senior Systems Administrator

2 weeks ago


Herndon, Virginia, United States DAn Solutions, Inc Full time

Position Overview: Senior Systems Administrator at DAn Solutions, Inc

Work Locations:
Various secure facilities

Essential Qualifications:

  • Possession of TS/SCI clearance or capability to obtain SCI and successfully complete a polygraph examination.
  • Bachelor's degree in a relevant field accompanied by a minimum of 8 years of pertinent experience. An additional 4 years of experience may substitute for the degree.
  • At least 8 years of experience in systems administration roles.
  • 5+ years of experience in Linux administration with scripting capabilities.
  • Current Security+ certification (DoD 8570 Baseline certification for IAT Level 2).
  • Experience with the implementation of Security Technical Implementation Guides (STIG).
  • Proficient in routine system patching.
  • Skilled in installing and configuring software applications.
  • Experience in performance optimization and troubleshooting, including identifying and resolving issues related to CPU, memory, networking, and disk I/O.
  • Ability to maintain comprehensive system documentation, including the creation and interpretation of network architecture diagrams.

Preferred Qualifications:

  • Familiarity with the Linux Operating System.
  • Experience in maintaining system documentation, including network architecture diagrams.
  • Knowledge of Tomcat 8.5 or higher.
  • Experience with MongoDB.
  • Familiarity with Amazon Web Services (AWS) and cloud environments.


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