• Incident Response Deputy Team Lead

    Leidos (Ashburn, VA)
    …have at minimum ONE of the following certifications:** + CompTIA Cyber Security Analyst (CySA+) + CompTIA Linux Network Professional (CLNP) + CompTIA Pentest+ ... + OSCE (Certified Expert) + OSWP (WirelessProfessional) + OSEE ( Exploitation Expert) + CCFP - Certified Cyber Forensics Professional... Analyst (Previously ECSA - EC-Council Certified Security Analyst ) + ENSA - EC-Council Network Security… more
    Leidos (12/03/25)
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  • ​​Insider Threat & Cyber Forensics SME​

    Leidos (Ashburn, VA)
    …endpoint analysis (eg, Windows, Linux, Mac, Cloud, and mobile systems) and network based digital forensic analysis + Perform email hygiene activities in support ... forensic analysis, digital media analysis, and in-depth system & network log analysis in support of forensic investigations. +...- Certified Incident Handler + GCFA - Certified Forensic Analyst + GCFE - Certified Forensic Examiner + GREM… more
    Leidos (12/19/25)
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  • Incident Manager III

    ARSIEM (Arlington, VA)
    …printing and scanning, enumeration, gaining access, escalation of privileges, maintaining access, network exploitation , covering tracks, etc.) + Knowledge of VM ... work with. ARSIEM is looking for a Cyber Vulnerability Analyst . This position will support one of our...of vulnerabilities and associated attacks + Knowledge of Computer Network Defense policies, procedures, and regulations + Knowledge of… more
    ARSIEM (11/09/25)
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  • Security Infrastructure Engineer

    Leidos (Alexandria, VA)
    …As a Security Engineer on our team, you will operate and maintain network security infrastructure utilized by a team of cybersecurity analysts in support of ... and tactics, techniques, and procedures (TTPs) + Maintain complete and current network and elevation diagrams for all managed security equipment + Coordinate and… more
    Leidos (11/15/25)
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