• Systems Administrator Expert

    General Dynamics Information Technology (Annapolis Junction, MD)
    …RQ210149 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... support for implementation, troubleshooting and maintenance of information Technology (IT) systems . Manages IT system infrastructure and any processes related to… more
    General Dynamics Information Technology (11/08/25)
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  • Modernization Cyber Systems

    Lockheed Martin (Hanover, MD)
    …used for contingent offers\. \#RMSC6ISR \#OneLMHotJobs \#RMSRB2025 **Basic Qualifications:** * Current DoD Top Secret SCI with Polygraph SA2: * A High School ... **Description:** **The Work:** We are seeking professionals interested in Systems Administration\. * Here, you are going to provide life\-cycle services to advance… more
    Lockheed Martin (01/08/26)
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  • Cloud System Administrator

    ManTech (Hanover, MD)
    …and on-premise contexts **Minimum Qualifications:** + 10+ years of experience as a Systems Administrator or Cloud Engineer supporting programs and contracts of ... MANTECH seeks a motivated, career- and customer-oriented **Cloud System Administrator ** to join the team in **Hanover, MD** . Our team delivers enterprise… more
    ManTech (12/24/25)
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  • Senior Cloud System Administrator

    ManTech (Annapolis Junction, MD)
    …licenses and certificates **Minimum Qualifications:** + 20+ years of experience as a Systems Administrator or Cloud Engineer supporting programs and contracts of ... seeks a motivated, career and customer-oriented **Senior** **Cloud System Administrator ** in Hanover, MD. The team delivers enterprise infrastructure capabilities… more
    ManTech (12/24/25)
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  • Sr. System Administrator II (Temp)

    RTX Corporation (Annapolis Junction, MD)
    …some unclassified work will also be required. We're looking for an experienced Systems Administrator to join our team supporting critical operations in both ... US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: TS /SCI At Raytheon, the foundation of everything we do is rooted in our… more
    RTX Corporation (11/19/25)
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  • Cloud System Administrator (Journeyman)

    CACI International (Aberdeen Proving Ground, MD)
    …Type of Travel: None * * * **The Opportunity:** CACI is seeking a Systems Administrator with a background in Cloud environments and hybrid Windows/Linux ... Cloud System Administrator (Journeyman) Job Category: Information Technology Time Type:...Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: None… more
    CACI International (01/08/26)
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  • Linux System Administrator

    ManTech (Laurel, MD)
    …from an accredited college or university with 12 years of experience as a Systems Administrator supporting programs and contracts of similar scope, type, and ... NetApp + Experience with Splunk **Clearance Requirements:** + Must have a current/active Top Secret /SCI with Polygraph **Physical Requirements:** + The person in… more
    ManTech (12/04/25)
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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,...of twenty (20) years of experience as a System Administrator (SA) on programs and contracts of similar scope,… more
    Kaizen Approach, Inc (11/11/25)
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  • Senior Linux System Administrator

    Parsons Corporation (Aberdeen, MD)
    …+ Linux+ certification (or equivalent) + Security+ certification (or equivalent) + Top Secret clearance **Security Clearance Requirement:** An active Top ... _Parsons is looking for an amazingly talented_ **_Senior Linux Systems Administrator_** _to join our team!_ **_What You'll Be..._Support design of Army Research Laboratory A2I2 building for systems being delivered in 2024 and future platforms_ +… more
    Parsons Corporation (11/15/25)
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  • Cloud System Administrator II

    ManTech (Annapolis Junction, MD)
    …maintain system solutions **Minimum Qualifications:** + 14+ years of experience as a Systems Administrator or Cloud Engineer supporting programs of similar scope ... MANTECH seeks a motivated, career- and customer-oriented **Cloud System Administrator ** to join our team in Hanover, MD. Our...(Amazon Linux 2023, RHEL 8/9) and Windows Server (2016/2022) systems . + Configure and manage core services such as… more
    ManTech (12/23/25)
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