• Systems Administrator / ISSO

    Tyto Athene (Santa Barbara, CA)
    …law. Submit a Referral (https://careers-gotyto.icims.com/jobs/1603/ systems - administrator - isso /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834326889) ... **Description** Tyto Athene is searching for a ** Systems Administrator /Information System Security Officer** to...and supporting a diverse team of system users. + ISSO experience, ability to develop solutions to complex IS… more
    Tyto Athene (12/07/25)
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  • SkillBridge Opportunities for System…

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    …Works well independently and on a team #LI-Onsite Keyword: Information Technology, Systems Administrator , ISSO , Skillbridge, Military transition, Kratos ... and global customers. Kratos has an exciting opportunity for a System Administrator to support system and infrastructure engineers, cloud engineers, and developers… more
    Kratos Defense & Security Solutions, Inc. (11/20/25)
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  • Project Manager IV

    General Atomics (Poway, CA)
    …to obtain and maintain Special Access Program (SAP) access + Prior experience as a Systems Administrator , ISSO , ISSM or related DoD Cyber Workforce Role. ... **51965BR** **Company:** General Atomics Aeronautical Systems **Job Summary:** General Atomics Aeronautical Systems...DIACAP training a plus + Red Hat Certified System Administrator (required for IA Cert Level I) + MCSE… more
    General Atomics (12/11/25)
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  • Information Systems Security Officer…

    Athenix Solutions Group, LLC (Annapolis Junction, MD)
    Information Systems Security Officer ( ISSO ) Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA) *ACS Description Athenix Solutions ... with polygraph clearance to start.** The Level 1 Information Systems Security Officer ( ISSO ) shall possess the...years of work experience in any combination of: System Administrator (SA), Information System Security Officer ( ISSO ),… more
    Athenix Solutions Group, LLC (11/07/25)
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  • Information Systems Security Officer…

    General Dynamics Information Technology (Bedford, MA)
    …of related experience **US Citizenship Required:** Yes **Job Description:** The Information Systems Security Officer ( ISSO ) III is responsible for ensuring the ... on the status of security safeguards applied to computer systems . + Perform ISSO duties in support...+ Prior performance in roles such as System, Network Administrator or ISSO . **Education:** + Bachelor's degree… more
    General Dynamics Information Technology (12/01/25)
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  • RHEL System Administrator II

    RTX Corporation (Chesapeake, VA)
    …Directives and STIGs Provide IT expertese for configuration changes affecting the systems /enclave, notify ISSM/ ISSO of any configuration changes, and bring ... are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret RHEL Administrator At Raytheon, the foundation of everything we do is rooted in… more
    RTX Corporation (12/03/25)
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  • Systems Administrator

    Nou Systems, Inc. (Marietta, GA)
    … and improve capabilities. We are pleased to announce the opening for a Systems Administrator who will join our Information Technology Department and provided ... nou Systems , Inc. (nSI) is now officially a 100%...join our team. Responsibilities: You'll be the appointed System Administrator (SA) / Information System Security Officer ( ISSO more
    Nou Systems, Inc. (11/25/25)
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  • Systems Administrator IV - Pipeline…

    COMSO, Inc (Fort Meade, MD)
    Systems Administrator IV - PIPELINE (TS/SCI w/ POLYGRAPH) FORT MEADE, MD (http://maps.google.com/maps?q=FORT+MEADE+MD+USA+20755) Description COMSO, Inc. is a ... systems enhancements to improve reliability and performance. The Level 4 Systems Administrator shall possess the following capabilities: + Provide support… more
    COMSO, Inc (12/02/25)
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  • Systems Administrator Expert

    General Dynamics Information Technology (Annapolis Junction, MD)
    …support for implementation, troubleshooting and maintenance of information Technology (IT) systems . Manages IT system infrastructure and any processes related to ... these systems . Provides support to IT systems including...Communicate and coordinate with the Information System Security Officer ( ISSO ) and Information System Owner (ISO) regarding system changes… more
    General Dynamics Information Technology (11/08/25)
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  • Senior System Administrator - Network…

    St. George Tanaq Corporation (Suitland, MD)
    Senior System Administrator - Network Security WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time Description **Overview** ... **About the Role** We are seeking a **Senior System Administrator - Network Security** to support our federal government...IT Security support to the Information System Security Officer ( ISSO ) and System Owner (SO) working closely with System… more
    St. George Tanaq Corporation (11/18/25)
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  • Systems Administrator

    Leonardo DRS, Inc. (Largo, FL)
    …to administer servers, databases, and other system components and peripherals. As a Systems Administrator you will be responsible for ensuring high levels of ... by the Information Systems Security Manager (ISSM), Information Systems Security Officer ( ISSO ), and the Facility Security Officer (FSO) + Support Risk… more
    Leonardo DRS, Inc. (10/24/25)
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  • System Administrator

    Synergy ECP (Columbia, MD)
    System Administrator Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Founded in 2007 and headquartered in Columbia, Maryland, Synergy ... ECP is a leading provider of cybersecurity, software and systems engineering and IT services to the US intelligence and defense communities. The company leverages… more
    Synergy ECP (10/22/25)
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  • System Administrator 2

    Synergy ECP (Columbia, MD)
    System Administrator 2 Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Synergy ECP, a platform company with Falfurrias Capital ... + Provide support for implementation, troubleshooting and maintenance of IT systems + Provide configuration management, implementation, and sustainment of compliance… more
    Synergy ECP (11/30/25)
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  • SIPRNet Administrator

    CACI International (Reston, VA)
    SIPRNet Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of ... III findings associated with scans of network devices. + Coordinate with ISSO /ISSM to update POA&M and reflect open vulnerabilities associated with network devices.… more
    CACI International (11/07/25)
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  • Linux System Administrator

    CACI International (Sarasota, FL)
    …US * * * **The Opportunity:** CACI has an immediate opening for a Linux Systems Administrator , with a Top Secret Clearance (TS/SCI) with polygraph for our ... fielded systems . CACI is seeking a development Systems Administrator with Linux experience for our...Experience with DevSecOps and respective tools + Experience supporting ISSO and ISSEs via technical implementation (eg DISA STIG).… more
    CACI International (10/04/25)
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  • System Administrator

    Koniag Government Services (Winchester, VA)
    …Public Law 88-352_** **Job Details** **Job Family** **IT, Cyber Security, Network Systems ** **Job Function** ** Systems Administrator ** **Pay Type** ... Solutions, a Koniag Government Services company **,** is seeking a DevOps/System Administrator with a Top-Secret Security clearance to support ATS and our government… more
    Koniag Government Services (12/10/25)
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  • System Administrator (Level 4)

    Kaizen Approach, Inc (Annapolis Junction, MD)
    Kaizen Approach is currently seeking a Systems Administrator to provide implementation, troubleshooting, and maintenance support for complex Information ... Technology (IT) systems within a secure government environment. In this role,...communicate and coordinate with the Information System Security Officer ( ISSO ) and Information System Owner (ISO) regarding system changes… more
    Kaizen Approach, Inc (11/11/25)
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  • System Administrator

    ManTech (Nellis Air Force Base, NV)
    **MANTECH** seeks a motivated, career and customer-oriented **System Administrator ** to join our Air Force / Space team at **Nellis AFB** . The System ... Administrator 's primary function is to support the United States...are not limited to:** + Determining hardware, software, and systems specifications, and configuration requirements. + Execution of the… more
    ManTech (12/13/25)
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  • System Administrator

    CACI International (Hanover, MD)
    System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... Contractor on MWIII Bridge, in Hanover, MD. We are seeking a System Administrator to support Identity, Credential, and Access Management (ICAM) systems . This… more
    CACI International (12/09/25)
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  • Network Administrator

    Leonardo DRS, Inc. (Arlington, VA)
    …visit www.leonardodrs.com . **Job Summary** As a cleared SIPR Network and System Administrator and a member of the Corporate Risk Management Framework (RMF) Support ... in identifying potential vulnerabilities and intrusions on Information Technology (IT) systems by our adversaries. Together, we'll address evolving threats to… more
    Leonardo DRS, Inc. (11/05/25)
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