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System Administrator; Active Secret Clearance

Job in Sunnyvale, Santa Clara County, California, 94087, USA
Listing for: Marathon TS
Full Time position
Listed on 2026-02-13
Job specializations:
  • IT/Tech
    IT Support
Salary/Wage Range or Industry Benchmark: 60000 - 80000 USD Yearly USD 60000.00 80000.00 YEAR
Job Description & How to Apply Below
Position: System Administrator (Active Secret Clearance)
  • Marathon TS is seeking a Secret Cleared Systems Engineer to support our client on a long term contract in Sunnyvale, CA.The Supplier shall support MASC contract and work in Sunnyvale CA on a normal day shift. Extended hours may be required in special circumstances when additional engineering support is needed. A current Security+ Certification is required.
  • The Supplier shall provide comprehensive support to the MASC team, including:
  • Systems administration and help desk expertise for sustainment/development environments on MASC, covering Windows, Solaris, Red Hat Enterprise Linux, and other operating systems.
  • Configuration, data management, and software builds using Change Management (CM) tools.
  • Collaboration with functional teams to resolve findings/issues and participate in Agile activities.
  • Development and application of cybersecurity solutions, ensuring compliance with computer security policy and Risk Management Framework (RMF).
  • Performance of software installs, updates, and patches, including troubleshooting and support.
  • Maintenance and development of documentation, including Version Description Documents (VDDs) and job aides.
  • Support for Digital Transformation activities, CDRL preparations, and ad hoc MASC projects.
  • Generation and documentation of metrics, tracking and documenting all efforts.
  • Travel to remote sites as needed to perform efforts.
  • Provision of support across the program information systems, including troubleshooting and remediation of issues.
  • Provide Ground Controller support for operations including but not limited to:
    Resetting user passwords, adjusting satellite position, monitor telemetry systems, resolve communication issues, support data center operations.
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