• Sepio Security Engineer

    Leidos (Arlington, VA)
    …into the overall system architecture, ensuring a defense-in-depth strategy. + Vulnerability & Risk Assessment: Conduct thorough risk assessments and vulnerability ... analyses to identify potential security weaknesses, prioritizing findings for remediation and recommending mitigation strategies. + Monitoring & Incident Response: Monitor security systems for irregular behavior and participate in incident response… more
    Leidos (11/25/25)
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  • Information System Security Officer

    Lockheed Martin (Little Rock Air Force Base, AR)
    …require an understanding of Assured Compliance Assessment Solution \(ACAS\) and vulnerability scanning, development of the system security plan, maintaining the Plan ... and other security related processes to include part sanitization procedures, vulnerability scanning, and virus scanning\. The candidate will perform routine… more
    Lockheed Martin (11/25/25)
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  • Information Systems Security Engineer (ISSE)

    Nightwing (Sterling, VA)
    …include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission ... Our capabilities include cyberspace operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission… more
    Nightwing (11/25/25)
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  • DevSecOps Platform Engineer

    KBR (Colorado Springs, CO)
    …industry security standards and frameworks (NIST 800-171). + Help with vulnerability assessments, security monitoring, and incident response automation. + Work with ... + Familiarity with security testing methodologies and tools, such as vulnerability scanning and penetration testing + Familiarity with SATCOM, spectral processing… more
    KBR (11/25/25)
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  • Cybersecurity Assessment and Authorization (A&A)…

    Huntington Ingalls Industries (Hanscom AFB, MA)
    …assessment findings in a comprehensive Security Assessment Report (SAR). Analyze vulnerability and threat information to identify and enumerate risks. Develop and ... of information security principles: access control, authentication, system hardening, vulnerability management, and data protection. + Practical IT experience across… more
    Huntington Ingalls Industries (11/24/25)
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  • Senior Offensive Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    …teams including adversary emulation and the validation of detective, defensive, and vulnerability controls + Plan and oversee external red team engagements with ... performing offensive security activities such as red teaming, penetration testing, and vulnerability research + 6 years of total experience in a technical role… more
    CoStar Realty Information, Inc. (11/24/25)
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  • Insider Threat Program Manager

    Guidehouse (Mclean, VA)
    …managing or maintaining user accounts and system privileges; risk and vulnerability assessments; operational threat assessments; + Knowledge of information assurance ... management; cybersecurity and other automated vulnerability scanning tools The annual salary range for this position is $130,000.00-$216,000.00. Compensation… more
    Guidehouse (11/22/25)
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  • Cybersecurity Analyst I-II

    Entergy (The Woodlands, TX)
    …communication skills + Exposure to cloud security, network security, and/or vulnerability management is a plus + Some experience maintaining operations leveraging ... such as: + Asset, Change, and Configuration Management + Threat and Vulnerability Management + Risk Management + Identity and Access Management + Situational… more
    Entergy (11/22/25)
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  • Network/Systems Administrator

    Argonne National Laboratory (Lemont, IL)
    …Policy. + Experience with maintenance routines such as monthly security and vulnerability patching, firmware and driver updates, and routine backup schedules. + ... (SCAP), and/or Center for Internet Security (CIS) Baselines + Experience with vulnerability scanning and remediation using Nessus or similar tools. + Experience with… more
    Argonne National Laboratory (11/22/25)
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  • Assessor Engineer Communications and Networking…

    Leidos (San Antonio, TX)
    …expertise in communications protocols, network architectures, cybersecurity defense, and vulnerability assessment for Air Force and Department of Defense systems. ... protocol-level weaknesses, exploitation methods, and mitigation strategies. + Perform vulnerability analysis and recommend countermeasures for protocol- and network-based… more
    Leidos (11/22/25)
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