• Vulnerability Assessment (VA) Team Lead

    TekSynap (Ashburn, VA)
    …methods + Experience with Application Security implementation + Understanding of Firewall Management and Advanced Threat Protection + Familiarity with Access ... and searching, monitoring, and analyzing machine-generated big data is preferred . **REQUIRED QUALIFICATIONS** + Clearance requirement: Secret + Experience: Minimum… more
    TekSynap (06/03/25)
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  • Network Administrator Lead

    Leidos (Fort Belvoir, VA)
    …with a demonstrated ability to manage a team composed of Network & Firewall Administrators + Experience with Cisco technologies with recent experience in Cisco ISE ... Must have a Top Secret security clearance for CMSprior to start. ** Preferred Qualifications:** + Technology: Prior experience with OSI Layers, Network Security,… more
    Leidos (08/09/25)
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  • Senior Linux Administrator

    General Dynamics Information Technology (Falls Church, VA)
    …and scripts. + Implement, configure, update, and maintain the Linux operating system firewall . + Experience in handling NFS, CIFS, and SMB permissions. **WHAT YOU'LL ... TO SUCCEED:** **Education/Equivalent Training Required:** + High school diploma or AA. Preferred - Bachelor's degree in information technology, computer science or a… more
    General Dynamics Information Technology (08/09/25)
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  • ISSO (Level 4)

    Amentum (Falls Church, VA)
    …sources, to include Internet, Intelligence Community reporting , security events, firewall logs, unauthorized activity or other cyber security related concerns. Upon ... performing full range of ISSO functions + Relevant industry certifications + Preferred - Proficient in Microsoft office suite of products + Demonstrated ability… more
    Amentum (08/08/25)
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  • CyberSecurity AI Engineer

    Nelnet (Richmond, VA)
    …adversarial machine learning concepts, model risk, or AI red teaming is preferred . + Experience with SIEM platforms, threat detection tools, or security automation ... + Familiarity with forensic methodologies and tools + Familiarity with EDR, firewall , IDS/IPS evasion + Deep understanding of machine learning architectures, LLMs… more
    Nelnet (08/08/25)
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  • Cyber Network Defense Analyst

    ManTech (Herndon, VA)
    …data sources, including Internet, Intelligence Community (IC) reporting, security events, firewall logs, and other data sources to identify malware, misuse, ... Response (SOAR) or Cloud Based platforms such as Azure, AWS, or Google ** Preferred Qualifications:** + Experience working with MITRE ATT&CK + Experience with Splunk… more
    ManTech (08/08/25)
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  • Subk-C Middleware Administrator

    IBM (Herndon, VA)
    …Powershell * Understanding of application network architectures to troubleshoot firewall and port issues Required Certifications: CompTIA SecurityRequired Clearance: ... Secret ** Preferred technical and professional experience** * Strong communication skills to communicate systems proposals to management and customers and provide… more
    IBM (08/08/25)
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  • Systems Administrator - Staff

    Amentum (Warrenton, VA)
    …like DNS and DHCP to ensure consistent system functionality + Assist in reviewing firewall rules to support secure access to Windows servers + Contribute to the ... certs include - CASP CE, CCNP Security, CISA, CISSP (or Associate), GCED, GCIH ** Preferred :** + Bachelor's degree in IT related field or related STEM field +… more
    Amentum (08/08/25)
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  • Linux Systems Engineer

    System One (Herndon, VA)
    …in troubleshooting and solving problems in complex systems environments. Preferred Qualifications: * Understanding of mobile telecom network architectures and ... * Create installation guides and as-built documentation. * Experience with Linux firewall and VPN configuration System One, and its subsidiaries including Joule,… more
    System One (08/08/25)
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  • Account Executive, Security Sales - US Public…

    Cisco (Herndon, VA)
    …solutions. + Experience in selling network security solutions (eg, Intrusion Detection, Firewall , VPN) or SaaS offerings. + Direct touch sales experience working in ... a matrixed organization and partnering with others to enhance results. ** Preferred Qualifications:** + Experience managing large deals and executing account and… more
    Cisco (08/08/25)
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