• Tier 3 Linux Engineer

    CACI International (Chantilly, VA)
    Tier 3 Linux Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... Travel: None * * * **The Opportunity:** CACI is seeking a highly skilled and experienced Tier 3 Linux Engineer to join our team in support of Enterprise… more
    CACI International (08/03/25)
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  • Linux SME

    Arena Technical Resources, LLC (Bethesda, MD)
    …and CI Polygraph(or ability to obtain). -8+ years of experience administering Linux systemsin a secure, mission-critical environment. - 3 + years supporting ... configurations and custom scripts (Bash, Python). - Serve as Tier III escalation for complex OS issues affecting CDS...III certification (Security+ CE, CASP+, CISSP). -Red Hat Certified Engineer (RHCE) or similar Linux certification. -… more
    Arena Technical Resources, LLC (07/29/25)
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  • Technical Support Specialist Tier 3

    Lockheed Martin (Fort Meade, MD)
    …for system and software installations, sustainment, upgrades, and troubleshooting \- Provide Tier 3 support for system failures and degradation problem ... support for operational system critical discrepancies that cannot be resolved by tier one and two personnel\. Integrate, test, and optimize systems with enterprise… more
    Lockheed Martin (07/12/25)
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  • Software Engineer 3

    Synergy ECP (Columbia, MD)
    Software Engineer 3 Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Job Type Full-time Description Software Engineer Level 3 The ... system level to individual software components. Requirements The Level 3 Software Engineer shall possess the following...include: TIBCO EMS, ActiveMQ, Artemis, and Kafka + Provide Tier III support on the Data Transport Systems (DTS)… more
    Synergy ECP (07/29/25)
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  • SIGINT Systems Engineer 3 (SW…

    Synergy ECP (Annapolis Junction, MD)
    SIGINT Systems Engineer 3 (SW support) Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA) Description We are searching for cleared ... ideal candidate will have a SIGINT background, experience with Linux , REDHAWK, Python, C++, MATLAB, and Tier ...may be substituted for a bachelors degree. The level 3 Systems Engineer shall possess the following… more
    Synergy ECP (07/23/25)
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  • Sr. Systems Engineer

    Leidos (Fort Belvoir, VA)
    …consisting of Linux and Windows Servers. + Provide advice, technical consultation, and Tier 3 / Tier 4 support guidance by analyzing and resolving problems ... operating in CONUS and OCONUS locations. The Sr Systems Engineer will deploy new Windows and Linux ...Experience Deploying and maintaining complex infrastructure environments with Web Tier /Application Tier and Data Tier more
    Leidos (07/23/25)
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  • System Engineer

    Leidos (Odenton, MD)
    …and a small number of Windows domain controllers. + Support Helpdesk as the Tier 3 escalation point to the helpdesk team, providing expert-level troubleshooting ... **Description** Leidos is seeking a **Systems Engineer ** to support and maintain the development lab environment of a high-profile DOD contract. We are… more
    Leidos (07/31/25)
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  • Platform Engineer

    SAIC (Fort Meade, MD)
    …+ Provide support for the eVDI including troubleshooting, repairing, monitoring, and testing. + Provide Tier 2 and Tier 3 support to Citrix end users. + ... national importance. SAIC is seeking a highly motivated Platform Engineer to join our team and propel the organization...total of 14 years. + 5+ years' experience with Linux , Unix, and/or Shell programming. + 2+ years' experience… more
    SAIC (05/30/25)
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  • Platform Engineer II - Pipeline (TS/SCI w/…

    COMSO, Inc (Fort Meade, MD)
    …eVDI + Provide support for the eVDI including troubleshooting, repairing, monitoring, and testing + Provide Tier 2 and Tier 3 support to Citrix end users + ... Platform Engineer II - PIPELINE (TS/SCI w/ Polygraph) FORT...total of 14 years. + 5+ years' experience with Linux , Unix, and/or Shell programming. + 2+ years' experience… more
    COMSO, Inc (06/03/25)
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  • NMCC Information Systems Security Engineer

    TekSynap (Arlington, VA)
    …risk analysis, and risk management. + Security Tool Troubleshooting & Support: + Provide Tier 3 troubleshooting support for cybersecurity tools such as ACAS and ... Nessus, Trellix ePO (HBSS/ESS), and associated Windows and Red Hat Linux servers. + Proactively monitor system performance, identify bottlenecks, and implement… more
    TekSynap (06/18/25)
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