• Entry Level or Mid Level System Administrator

    Belay Technologies (Annapolis Junction, MD)
    …positions require on-call rotation support. Candidates should have the following qualifications: + TS /SCI with polygraph is required. + 5 years no degree for Entry ... ITS Teams: Candidate has to have basic to strong Linux skills depending on years of experience and LCAT...they are submitted for. Responsibilities include command line system administration as well as application and data/messaging flow … more
    Belay Technologies (10/10/25)
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  • Network Engineer Principal

    SAIC (Norfolk, VA)
    …Data Link (CDL), Link 16, and Joint Tactical Radio System (JTRS). + Windows and Linux system administration skills. + Expertise in network routing & switching ... and audio transmissions. This role entails offering expert communications systems engineering support across various platforms including U/VHF radio communications… more
    SAIC (10/16/25)
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  • Cloud Cyber Engineer

    CACI International (Sterling, VA)
    …Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to ... environments. The right candidate will understand software development, system administration , networking, and security and be able to take...and security and be able to take a holistic systems level approach to influence how we build our… more
    CACI International (11/11/25)
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  • Senior Software Infrastructure Engineer (Onsite)

    RTX Corporation (Fort Meade, MD)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with Poly - Current At Raytheon, the foundation of everything we do ... Engineer** with **expertise in DevOps** tools to join our Satellite Ground Systems team. This role involves designing, implementing, and maintaining the software… more
    RTX Corporation (10/13/25)
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  • Principal Storage Administrator

    RTX Corporation (Mckinney, TX)
    …VMware, BackupExec, NetBackup, prior systems administration and networking administration experience, Windows or Linux administration , backup, and ... US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our… more
    RTX Corporation (10/15/25)
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  • Infrastructure Engineer

    CACI International (Laurel, MD)
    …**Job Description:** Responsible for resolving IT hardware and software infrastructure ( Linux servers, network, security, etc.) issues using systems analysis ... user systems , servers, storage and network connectivity. Provides system administration for assigned infrastructure and establishes and maintains security as it… more
    CACI International (11/08/25)
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  • System Administrator

    DCCA (Denver, CO)
    …possess 8570 IAT-II certifications (or higher) - baseline (ex. Security+) and CE (ex. Linux +) + Linux Administration (RHEL 7/8) Desired Skills: + DevSecOps ... at: www.dcca.com System Administrator Candidates MUST have an active TS /SCI Clearance For over 40 years, DCCA has provided... + Radix/eMASS (or similar scanning tools) + GitLab Administration + ServiceNow Application/ Systems Administration … more
    DCCA (09/22/25)
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  • Software Integration Engineer 3

    Synergy ECP (Fort Meade, MD)
    …for the full software stack. . Update software for sustainment support. . Basic Linux system administration skills and shell scripting. . Execute test codes for ... ECP is a leading provider of cybersecurity, software and systems engineering and IT services to the US intelligence...veteran status, or any other protected class. Clearance Required: TS /SCI w/ Polygraph Software Integration Engineer Level 3 LCAT… more
    Synergy ECP (10/28/25)
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  • SAP Hana Database Administrator

    BigBear.ai (Annapolis Junction, MD)
    …+ SAP Certified Technology Associate SAP HANA (preferred). + Knowledge of Linux /Windows server administration . + Familiarity with BI, data warehousing, and ... to join our team and take ownership of mission-critical systems that power enterprise operations. In this role, you'll...to long-term strategic growth. The role requires an Active TS /SCI w/ Poly clearance. What you will do Database… more
    BigBear.ai (11/20/25)
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  • Data Center Operations Manager, Amazon Dedicated…

    Amazon (Warrenton, VA)
    … TS /SCI with Polygraph Preferred Qualifications - Bachelors Degree - Linux /UNIX certification and/or administration experience. - Network certification - ... of the organization. Ideally, they have worked with ticketing systems and been involved in responses to high severity...US citizen and currently possess and maintain an active TS /SCI security clearance with polygraph. Key job responsibilities As… more
    Amazon (09/09/25)
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