• System Administrator- Senior Level

    Nightwing (Sterling, VA)
    …availability of IT systems + Coordinate and manage IT projects, including system upgrades, and network improvements ensuring projects are delivered on time + ... + 5+ years of experience in IT, cybersecurity, and/or network / systems administration + Proficiency experience with Red...requirements + Experience with administering and managing user and system accounts on Linux distributions + Ability… more
    Nightwing (06/27/25)
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  • Senior Systems Development Engineer,…

    Amazon (Arlington, VA)
    …infrastructure to identify and reduce risks to Amazon. We are looking for a Senior Systems Development Engineer who is excited about designing and building ... Computer Science or relevant degree/experience. Preferred Qualifications - Experience with distributed systems at scale - Strong knowledge of system architecture… more
    Amazon (06/10/25)
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  • Senior Systems Administrator…

    Lockheed Martin (Dahlgren, VA)
    …be familiar with Virtual Machines, Windows and LINUX Domains, Systems integration, SQL Database, Network Integration, hardware procurement, COTS software, ... with you\! The DARKWING program is looking for a Systems Engineer to join our team near LaPlata, MD\....system compliance\. You will set up and maintain servers/ network switches and routers/applications\. You must have strong inter\-personal… more
    Lockheed Martin (07/12/25)
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  • Cybersecurity Systems Analyst…

    Amentum (Arlington, VA)
    …Protocol tool. The Cybersecurity Systems Analyst will liaison with network and system administrators to correct identified deficiencies. The Cybersecurity ... USSOCOM, its Component Commands, TSOCs, and deployed forces on network and system risks, risk mitigation courses...* Technical background in networking, identity management, Microsoft and Linux operating systems , database, and mobility *… more
    Amentum (06/29/25)
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  • Senior Manager of Cybersecurity Operations

    Mercury Systems (Arlington, VA)
    …security automation and orchestration solutions, data loss prevention (DLP) and other network and system monitoring tools. + Proficient in security operations, ... Req. Number 25-340 Job Description Job Summary: The Senior Manager of Security Operations, reporting into the...environment. + Experience working in environments in Windows and Linux . + Experience working in Cloud environments: AWS or… more
    Mercury Systems (06/04/25)
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  • Senior Systems Engineer

    United States Senate Federal Credit Union (Alexandria, VA)
    …solutions, and solves problems creatively while balancing risk. General Summary: The Senior Systems Engineer (SSE), under general supervision but in compliance ... status, and will not be discriminated against on the basis of disability. Keyword: Senior Systems Engineer From: United States Senate Federal Credit Union more
    United States Senate Federal Credit Union (07/09/25)
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  • Enterprise Senior Systems…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …Yes **Job Description:** GDIT seeks a highly motivated and experienced Enterprise Senior Systems Engineer to support the Defense Threat Reduction Agency ... (DTRA) Defense Stockpile Management System (DSMS) mission at Fort Belvoir, VA. **Essential Experience,...Experience with DISA STIGs and their relation to Windows, Linux , and VMWare Operating Systems security. +… more
    General Dynamics Information Technology (05/31/25)
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  • Senior Systems Administrator (S)

    SimIS Inc. (Dahlgren, VA)
    …Experience managing Windows and Linux server environments + Knowledge of network security, firewalls, and intrusion detection systems + Experience with ... the listed position and is contingent upon award. Job Description: SimIS, Inc. seeks a Senior Systems Engineer to lead systems engineering activities for a… more
    SimIS Inc. (06/23/25)
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  • Senior Systems Engineer

    GovCIO (Sterling, VA)
    …**Location** _US-VA-Sterling_ **ID** _2024-4950_ **Category** _IT Infrastructure & Network Engineering & ... **Overview** GovCIO is currently hiring for a Senior Systems Engineer with an active...an active Secret clearance to provide full life cycle system /software engineering. This position will be located in Sterling,… more
    GovCIO (04/24/25)
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  • Senior Field Engineer

    ManTech (Reston, VA)
    …and configure new systems as well as upgrade, maintain, and recap existing systems , including all system and network infrastructure and peripherals + ... years of relevant systems engineering, systems administration, and network administration experience + Strong Linux administration experience with Red… more
    ManTech (06/14/25)
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