• Senior OCO Product Manager

    ARSIEM (Columbia, MD)
    …Manager with a strong background in Offensive Cyber Operations, vulnerability exploitation, advanced persistent threats (APT), hands-on experience with offensive ... vulnerabilities and misconfigurations associated with common operating systems. (Windows, Linux , etc.), protocols (HTTP, FTP, etc.), and network security services… more
    ARSIEM (11/27/25)
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  • Network Engineer

    Nightwing (Arlington, VA)
    …capabilities include cyber space operations, cyber defense and resiliency, vulnerability research , ubiquitous technical surveillance, data intelligence, ... in network administration - Proficiency with multiple operating systems, including Linux /Unix and MacOS - Strong knowledge and experience with routers, switches,… more
    Nightwing (11/26/25)
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  • Systems Security Engineer III

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …digital forensics, loss prevention, and eDiscovery actions, conducting risk and vulnerability assessments, and developing and implementing security controls. You'll ... research , evaluate, and recommend new security tools, techniques, and...+ ISSO Security+, CISA, or CASP+ Certification + MCSE, Linux , and/or CCNP Security Certification At Sierra Nevada Company,… more
    Sierra Nevada Company, LLC (11/20/25)
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  • Applications Developer - Senior

    Nightwing (Sterling, VA)
    …capabilities include cyber space operations, cyber defense and resiliency, vulnerability research , ubiquitous technical surveillance, data intelligence, ... with relational databases (ex - MySQL / Postgres) * Experience with interacting in a Linux environment (ex - Bash scripting, VI) * Ability to present and talk to… more
    Nightwing (11/19/25)
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  • Senior Mobile Software Engineer with Poly

    BigBear.ai (Annapolis Junction, MD)
    …query device attributes and automate mobile device functions. + Experience performing vulnerability research and protocol analysis (network traffic, OS events). ... and management of services in a variety of hosting environments including Linux and MacOS. + Experience applying modern software techniques to build scalable… more
    BigBear.ai (11/15/25)
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  • Information Systems Engineer II - Onsite

    RTX Corporation (Tucson, AZ)
    …Will Do** + Design, develop, document, analyze, test, integrate, debug, conduct research , and/or discover and analyze security flaws or vulnerabilities in software, ... (2) years of relevant experience with systems administration of Linux , Networking, and or Windows (in desktop or server...Hands-on with ACAS, SCAP, STIG Viewer, DISA SRGs, and SIEM/ Vulnerability Tools SPLUNK, NESSUS etc. **What We Offer** Our… more
    RTX Corporation (11/08/25)
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  • Senior Infrastructure Engineer

    eVisit (Mesa, AZ)
    …across infrastructure, including network segmentation, encryption, access controls, and vulnerability management. + Collaborate with the security and compliance team ... with the engineering team. + Stay Current with Emerging Technologies: Continuously research new cloud services, tools, and industry trends to recommend innovations… more
    eVisit (11/04/25)
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  • Full Stack Developer

    Nightwing (Sterling, VA)
    …capabilities include cyber space operations, cyber defense and resiliency, vulnerability research , ubiquitous technical surveillance, data intelligence, ... Shell Scripts * Active MQ * Docker/Podman * Jenkins and GitHub * ZooKeeper * Linux Desired: * C+* Oracle * Integration with COTS products * Experience with messaging… more
    Nightwing (10/23/25)
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  • Cyber Specialist - Technical Instructor SME

    Nightwing (MD)
    …capabilities include cyber space operations, cyber defense and resiliency, vulnerability research , ubiquitous technical surveillance, data intelligence, ... of practical experience in: Computer hardware and Operating systems (Windows, LINUX ) Router functions and operation; Switch functions and operations; Network… more
    Nightwing (10/23/25)
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  • Cybersecurity Automation Engineer- Principal

    Huntington National Bank (Pittsburgh, PA)
    …for security operations (SecOps), including threat detection, incident response, and vulnerability management + Develop and maintain playbooks for SOAR (Security ... + Expert level knowledge of operating systems, eg Windows, Linux , & Unix + Expert level network troubleshooting skills...communication skills (both written and verbal) + Ability to research , evaluate, and devise course of action for security… more
    Huntington National Bank (10/22/25)
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