• Security Engineer

    Leidos (Alexandria, VA)
    …security, ports/protocols, firewalls, and boundary protection + Experience in vulnerability management and assessment + Understanding of network architectures, ... LAN/WAN, TCP/IP, routing, and switching + Strong understanding of NIST 800-53, 8551.01, DISA security policies, and compliance monitoring + Excellent written and verbal communication for technical documentation and stakeholder engagement **Original Posting:**… more
    Leidos (07/10/25)
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  • Incident Manager 3 (Cyber Action Officer 3)

    ARSIEM (Arlington, VA)
    …national security strategies (NCISS). + Supporting teams conducting threat and vulnerability management to recognize and categorize types of vulnerabilities, threat ... actors, and different operational threat environments, and associated attacks (MITRE ATT&CK framework). + Support teams performing network security monitoring and/or security operations analysis, system administration, operating system hardening, cyber hygiene… more
    ARSIEM (07/10/25)
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  • Incident Manager 3 (Cyber Action Officer 3)

    ARSIEM (Arlington, VA)
    …in the system of record consistently and professionally. + Threat and vulnerability management to recognize and categorize types of vulnerabilities, threat actors, ... and different operational threat environments, and associated attacks (MITRE ATT&CK framework). + Knowledgeable of network security monitoring and/or security operations analysis, system administration, operating system hardening, cyber hygiene techniques, and… more
    ARSIEM (07/10/25)
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  • Linux System Administrator

    V2X (Ashland, VA)
    …Defense (DOD) and industry standards. + Conduct routine security audits and vulnerability assessments of the lab infrastructure. + Enforce access control policies ... and ensure proper user authentication and authorization for the lab environment. + Capacity Planning and Resource Management + Monitor system resource utilization (eg, CPU, memory, storage) and proactively plan for scaling lab infrastructure to meet growing… more
    V2X (07/09/25)
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  • Sr Site Reliability Engineer - Remote

    SitusAMC (Richmond, VA)
    …any performance bottlenecks or availability issues + Implement patching and vulnerability remediation policies + Manage IAM roles and conduct basic security ... audits + Build and administrate automated pipelines + Administrate source code repositories in ADO + Mentor, coach and share knowledge among team members + Work as part of the incident response team; conduct post-incident analyses to identify root causes and… more
    SitusAMC (07/09/25)
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  • Project Manager

    TekSynap (Arlington, VA)
    …on what's best for the organization. + Ensure all Information Assurance Vulnerability Management updates are tested, evaluated, deployed, and documented for covered ... systems. + Ensure compliance with specified operational parameters, guidelines, and standards set forth by Federal, DoD, Army, JSP, and other relevant entities. + Adhere to applicable directives including CJCSM, DoD Security Requirements Guide, NIST… more
    TekSynap (07/09/25)
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  • Intelligence Analyst SME 4

    CACI International (Vienna, VA)
    …alternative solutions + Providing expert consulting in organizational and vulnerability assessments, intelligence and threat analysis, and resolving complex ... challenges + Monitoring emerging industry trends and issues through recognized expertise + Managing projects, programs, and tasks to ensure alignment with client objectives and successful execution **Required Qualifications:** + Master's degree in intelligence… more
    CACI International (07/09/25)
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  • Operational Technology (OT) Senior Technologist

    Amentum (Herndon, VA)
    …services for internal and external clients. + Perform cybersecurity vulnerability assessments and penetration testing **Position has no physical requirements ... for geographical presence.** **This is not just an information technology (IT) position.** **The position requires understanding of Information Technology (IT), Operational Technology, Internet of Things (IoT) and Industrial Internet of Things Technology… more
    Amentum (07/09/25)
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  • Penetration Tester

    TestPros (VA)
    …testing techniques. Qualifications: + Proven experience in penetration testing, vulnerability assessment, and security analysis. + Strong understanding of security ... frameworks and methodologies (eg, OWASP, NIST). + Proficiency with penetration testing tools and software. + Excellent analytical and problem-solving skills. + Relevant certifications (eg, CEH, OSCP) are preferred. Benefits TestPros offers a competitive… more
    TestPros (07/08/25)
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  • Mechanical Engineer w/OCONUS Travel

    Nightwing (Sterling, VA)
    …include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission ... enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in the intelligence community, defense, civil, and commercial markets. Nightwing is seeking a highly motivated Mechanical Engineer… more
    Nightwing (07/08/25)
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