• System Engineer (TS/SCI)- Senior or Mid Level

    Vexterra Group (Bethesda, MD)
    …monitoring documentation for 24/7/365 Operations Watch personnel. + Responsible for the security and management of Windows servers in multiple production ... Job Description: Vexterra is looking to fill a Windows Systems Engineer and Administrator position within the...+ DoD 8570.11- IAT Level II or higher (eg Security + CE, CCNA- Security , GSEC, or SSCP along… more
    Vexterra Group (07/15/25)
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  • FLEX Cloud Infrastructure Security

    Marriott (Bethesda, MD)
    …N **Position Type** Management This is a temporary position. CLOUD INFRASTRUCTURE SECURITY AUTOMATION ENGINEER . Experience in securing Windows and Linux ... Jenkins or Harness, Git, and Ansible . Script development experience in Windows PowerShell and Linux Bash . Demonstrable development skill in provisioning… more
    Marriott (07/16/25)
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  • Systems Administrator/Integrator

    BigBear.ai (Columbia, MD)
    …team on-site at a customer facility. What you will do Apply IAVA/IAVM compliance and security patches across Windows and Linux systems in a timely and controlled ... mitigations for discovered vulnerabilities. Ensure all systems meet required security and compliance standards (eg, STIGs, DISA requirements). Troubleshoot patching… more
    BigBear.ai (08/02/25)
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  • SOC Security Analyst L3

    BlueVoyant (MD)
    …WAF/IDS) + Email Security and common business email compromise attacks + Windows and Unix forensic artifacts (ie registry analysis, wtmp/btmp) + Windows PE ... SOC Security Analyst L3 Location: The requirement has been...network telemetry + Forensic artifact and analysis knowledge of Windows and Unix systems + Expertise in Endpoint, Web,… more
    BlueVoyant (06/05/25)
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  • RF Systems Engineer with polygraph

    Leidos (Columbia, MD)
    …integration, verification, and validation + Provide expertise across both Linux and Windows platforms, ensuring compatibility and security + Design, test, and ... has a new and exciting opportunity for a **System Engineer** in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** . Our talented team… more
    Leidos (07/30/25)
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  • Senior Cybersecurity Engineer

    Eliassen Group (Belcamp, MD)
    …years of experience preferred, in TCP/IP, Information Security /Authorization profiles, and security administration of Windows and Linux systems. + IAT Level ... provide a system-of-systems approach to advancing and synchronizing c security architecture associated with protecting our assets (firewalls, intrusion detection… more
    Eliassen Group (07/08/25)
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  • Network and Systems Technician

    CACI International (Forest Heights, MD)
    …Microsoft Windows administrator certification. + COMPTIA A+, Network+, or Security +. + Cisco Certified Network Associate (CCNA). + CCNP Collaboration on ... and management team on a contract supporting the Department of Homeland Security . The position supports the management and maintenance of existing unified… more
    CACI International (08/08/25)
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  • Splunk Security Engineer

    Leidos (Suitland, MD)
    …to turn your skills into real-world impact? Join **Leidos** as a **Splunk Security Engineer** in Suitland, MD and be at the forefront of mission-critical ... **What You'll Do** As a core member of our security engineering team, you will: + Develop, maintain, and...and Nessus, VMWare vCenter/ESXi, ServiceNow, Azure and AWS, NetApp, Windows and Linux. Connectors may use APIs, tokens, or… more
    Leidos (07/12/25)
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  • Customer Experience Engineer II - CTJ - Poly

    Microsoft Corporation (Elkridge, MD)
    …Services, O365 and SharePoint or similar Microsoft or competitive Windows based products. **Other Requirements:** ** Security Clearance Requirements:** ... experiences. Our customers expect the highest standards for feature quality, security , reliability, availability, and performance. You will investigate and solve… more
    Microsoft Corporation (08/12/25)
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  • Senior Security Researcher - CTJ - TS/SCI

    Microsoft Corporation (Elkridge, MD)
    Security represents the most critical priorities for our customers in a world awash in digital threats, regulatory scrutiny, and estate complexity. Microsoft ... Security aspires to make the world a safer place...that is deployed in hundreds of millions of devices: Windows , Windows Server, macOS and all common… more
    Microsoft Corporation (08/12/25)
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