• Cleared AI/ML Engineer (Multiple Levels)

    Noblis (Chantilly, VA)
    …with developing and deploying resources to cloud environments. + Experience working in Linux and Windows environments and managing resources for efficiency. + ... Responsibilities **Noblis is seeking to hire an AI/ML Engineer (Multiple Levels) with an ACTIVE Top** **Secret with SCI and Polygraph in Chantilly, VA** As an… more
    Noblis (10/08/25)
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  • Senior Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    …network management systems , and virtual systems + Knowledge of Windows and Linux systems , general operating system security practices, TCP/IP ... **MANTECH** seeks a motivated, career and customer-oriented **Senior Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports… more
    ManTech (12/13/25)
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  • Sr. Software Engineer TS/SCI Polygraph

    Leidos (Alexandria, VA)
    …ASN.1 encoding, XML canonicalization, digital signatures). Must have experience developing on Windows , and/or Linux operating systems . Must have documented ... **Description** Leidos has an exciting opportunity for a Sr. Software Engineer ! *Must have an active TS/SCI Polygraph up front. No exceptions.* You will perform… more
    Leidos (12/10/25)
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  • ServiceNow ITOM Engineer

    CACI International (Chantilly, VA)
    …Asset Management experience* JavaScript/AngularJS experience* Splunk experience* RedHat Linux administration experience* Microsoft Windows Server technologies, ... ServiceNow ITOM Engineer Job Category: Information Technology Time Type: Full...points of contact to deploy MID Servers across 1200+ Systems , and communicate the status of those deployments to… more
    CACI International (11/25/25)
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  • Senior Offensive Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior Offensive Security Engineer Job Description **Offensive Security Engineer ** **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of ... to cover penetration testing of all critical infrastructure (ie CI/CD systems , Active Directory) **Basic Qualifications** + Bachelor's Degree required from an… more
    CoStar Realty Information, Inc. (11/24/25)
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  • SIGINT Software Integration Engineer

    CACI International (Fairfax, VA)
    …Travel: Continental US * * * CACI is currently looking for a SIGINT Systems Integration Engineer to join our team developing next generation signals intelligence ... SIGINT Software Integration Engineer Job Category: Engineering Time Type: Full time...Experience with shell scripting + Experience with Red Hat Linux , versions 6-9 + Experience with Windows more
    CACI International (10/09/25)
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  • Senior IT Infrastructure Engineer

    Lumen (Richmond, VA)
    …+ Solid understanding of networking fundamentals, virtualization (VMware, Hyper-V), and Windows / Linux environments. + Familiarity with cloud platforms (Azure, ... the future. **The Role** We are seeking a highly skilled Senior IT Infrastructure Engineer to join our Internal Network Services team. This role is responsible for… more
    Lumen (12/17/25)
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  • Principal Infrastructure Lead Engineer

    RTX Corporation (Dulles, VA)
    …to include SW development environments and DevSecOps pipelines. + Experience with Windows and Linux system administration. + Experience with infrastructure ... have an immediate need for an **Principal** **Infrastructure Lead Engineer - Classified System** to lead and guide a...needs a wide background to include modern IT infrastructure systems (compute, network, storage). The lead is also responsible… more
    RTX Corporation (11/04/25)
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  • Information System Security Engineer (ISSE)…

    General Dynamics Information Technology (Mclean, VA)
    …Secret/SCI with Polygraph + **Desired Skills and Experience:** + Experience with Linux or Windows administration, any scripting language and/or automation (not ... make a personal impact as an Information System Security Engineer (ISSE). GDIT is your place to make meaningful...security is implemented in the early stages of all systems . The selected candidate will be directly involved in… more
    General Dynamics Information Technology (12/10/25)
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  • Cloud Operations Engineer

    ManTech (Virginia Beach, VA)
    …AWS and Azure compute assets, including Red Hat Enterprise Linux and Windows Server instances + Monitor systems and support cyber defense activities, ... seeks a motivated, career and customer oriented **Cloud Operations Engineer ** to join our team in **Virginia Beach, VA.**...cybersecurity, or operations, and 1 year working with cloud systems deployed at multiple Impact Levels (IL2, IL4, IL6)… more
    ManTech (11/15/25)
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