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Systems Engineer Security Clearance

Job in Sunnyvale, Santa Clara County, California, 94085, USA
Listing for: Marathon TS Inc
Full Time position
Listed on 2026-03-01
Job specializations:
  • IT/Tech
    IT Support, Cybersecurity, Systems Engineer
Job Description & How to Apply Below
Position: Systems Engineer with Security Clearance
Marathon TS Systems Engineer Sunnyvale, CA (onsite) Secret Clearance (TS sponsorship) 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. #cjjobs Marathon TS is committed to the development of a creative, diverse and inclusive work environment. In order to provide equal employment and advancement opportunities to all individuals, employment decisions at Marathon TS will be based on merit, qualifications, and abilities. Marathon TS does not discriminate against any person because of race, color, creed, religion, sex, national origin, disability, age or any other characteristic protected by law (referred to as "protected status").
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