• Security Engineer

    Leidos (Alexandria, VA)
    …(IT-related field preferred) and five (5) years of experience in cybersecurity or network security position. Additional relevant experience may be considered in ... eMASS, and DISA DMZ Whitelist processes + Demonstrable experience with network security , ports/protocols, firewalls, and boundary protection + Experience… more
    Leidos (07/10/25)
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  • Network Engineer III

    Leidos (Wallops Island, VA)
    …be a plus + VPN and Firewall knowledge would be a plus + Certifications with major network system vendors such as Cisco are a strong plus. CCNA or CCNP + ... such as detailed step by step instructions within the network switch operating system for new ...+ Provide assessment and design recommendations to resolve certain network device security vulnerabilities + Provide wireless… more
    Leidos (07/24/25)
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  • Intermediate Security Assessor

    Saliense Consulting (Mclean, VA)
    …and conducting independent assessments of security controls as documented in the System Security Plan (SSP) + Leading and conducting risk assessments based ... a Service (PaaS), and Software as a Service (SaaS)) systems ) and applications. Analyze existing security process...teams. + Knowledge of computer networking concepts, protocols, and network security methodologies. + Knowledge of risk… more
    Saliense Consulting (07/07/25)
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  • Senior Security Engineer, Identity…

    Amazon (Arlington, VA)
    …or equivalent work experience - Minimum of 5 years' experience in software development, system and network security - Experience with managing large-scale ... security expertise with advanced software engineering capabilities to build scalable security systems and frameworks. We are seeking an experienced software… more
    Amazon (06/03/25)
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  • Security Engineer

    ManTech (Herndon, VA)
    …(CMMC). + Hands-on experience working in air-gapped cloud environments. + Knowledge of system / network security principles and incident response practices. + ... frameworks, and a proactive approach to protecting mission-critical systems . **Responsibilities include but are not limited to:** +...CISM). + Knowledge of STIGs, SCAP tools, and secure system baselining. + Hands-on experience with security more
    ManTech (08/08/25)
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  • Security Engineer

    ManTech (Herndon, VA)
    …(CMMC) + Hands-on experience working in air-gapped Cloud environments + Knowledge of system / network security principles and incident response practices + ... frameworks, and a proactive approach to protecting mission-critical systems . **Responsibilities include but are not limited to:** +...CISM) + Knowledge of STIGs, SCAP tools, and secure system baselining + Hands-on experience with security more
    ManTech (08/08/25)
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  • Security Engineer

    ManTech (Herndon, VA)
    …(CMMC) + Hands-on experience working in air-gapped Cloud environments + Knowledge of system / network security principles and incident response practices + ... frameworks, and a proactive approach to protecting mission-critical systems . **Responsibilities include but are not limited to:** +...CISM) + Knowledge of STIGs, SCAP tools, and secure system baselining + Hands-on experience with security more
    ManTech (06/19/25)
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  • Senior Security Solutions Architect (AI…

    Amazon (Arlington, VA)
    security , identity and access management, cryptography, security operations, system administration and network security experience Amazon is an ... of specific technology domain areas (eg software development, cloud computing, systems engineering, infrastructure, security , networking, data & analytics)… more
    Amazon (06/24/25)
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  • Security Engineer-US Citizen Secret…

    NTT DATA North America (Newport News, VA)
    …Newport News, Virginia (US-VA), United States (US). We are looking for a dedicated Network Security Specialist to join our growing onsite delivery team in ... risks within our systems , and propose mitigation strategies. + Respond to security incidents and conduct root cause analysis. + Participate in agile teams to… more
    NTT DATA North America (07/16/25)
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  • Security Engineer II, Threat Hunting

    Amazon (Arlington, VA)
    …experience, secure coding, identity management and authentication, software development, cryptography, system administration and network security experience ... .Net, C++ or similar object oriented language experience - Knowledge of system security vulnerabilities and remediation techniques, including penetration testing… more
    Amazon (07/08/25)
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