• Penetration Tester 3

    Amentum (Columbia, MD)
    …Cyber, Security, & Intel space? If so, look no further. We are seeking a Penetration Tester 3 to join our team of passionate individuals on our Prime ... You'll Need:** + Eight (8) experience of related work experience as a Penetration Tester performing both network and application-level testing using established… more
    Amentum (09/22/25)
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  • Penetration Tester 3

    ARSIEM (Annapolis Junction, MD)
    …and the ability to have an impact on every client you work with. ARSIEM seeks a Penetration Tester 3 . This position will support one of our government ... Qualifications + Eight (8) experience of related work experience as a Penetration Tester performing network and application-level testing using established test… more
    ARSIEM (07/16/25)
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  • Penetration Tester

    Leidos (Ashburn, VA)
    …customers through scale and repeatability. Leidos has a critical need for a Junior Penetration Tester to support a large Cyber program within Leidos. The ... this job requisition will remain open for at least 3 days with an anticipated close date of no...with an anticipated close date of no earlier than 3 days after the original posting date as listed… more
    Leidos (09/14/25)
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  • Lead Web App Pen Tester

    CoStar Realty Information, Inc. (Arlington, VA)
    …Specialist (CPTS) / AD Pentesting Expert (CAPE) + INE Security Web Application Penetration Tester eXtreme (eWPTX) + **Those certifications can be substituted ... Lead Web App Pen Tester Job Description **Overview** CoStar Group (NASDAQ: CSGP)...total experience in a technical role with at least 3 + year of professional experience penetration testing… more
    CoStar Realty Information, Inc. (10/03/25)
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  • Senior Red Cyber Operator

    Parsons Corporation (Fort Belvoir, VA)
    …Professional (OSCP), Global Information Assurance Certification, (GIAC) Exploit Researcher & Advanced Penetration Tester (GXPN), GIAC Penetration Tester ... execution, and reporting of a specific assigned assessment + 3 + years' experience in conducting red team assessments, offensive...(GPEN), and/or GIAC Web Application Penetration Tester (GWAP). + Expertise in antivirus evasion, EDR evasion,… more
    Parsons Corporation (09/19/25)
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  • ​​T2 AS&W Analyst - Night Back ​

    Leidos (Ashburn, VA)
    …Network Professional (CLNP) + CompTIA Pentest+ CompTIA Cybersecurity Analyst (CySA+) + GPEN - Penetration Tester + GWAPT - Web Application Penetration ... degree. + 5 years of professional experience (or a Bachelors' Degree and 3 years of professional experience) in incident detection, response and remediation. +… more
    Leidos (09/26/25)
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  • ​​Cyber Detection Engineer ​

    Leidos (Ashburn, VA)
    …Network Professional (CLNP) + CompTIA Pentest+ CompTIA Cybersecurity Analyst (CySA+) + GPEN - Penetration Tester + GWAPT - Web Application Penetration ... new security content as the result of hunt missions, penetration tests, tuning requests and others, to include signatures,...this job requisition will remain open for at least 3 days with an anticipated close date of no… more
    Leidos (08/15/25)
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  • Pen Test Operator

    Guidehouse (Beltsville, MD)
    …the following certifications: Offensive Security Certified Professional (OSCP) or GIAC Penetration Tester (GPEN) or Certified Ethical Hacker (CEH) Certification. ... DoD security clearance + Bachelor's degree + Minimum THREE ( 3 ) years' experience relevant to Penetration Testing...Minimum THREE ( 3 ) years' experience relevant to Penetration Testing or IT Systems Configuration or Risk and… more
    Guidehouse (07/21/25)
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  • Cyber Threat Hunt Analyst​

    Leidos (Ashburn, VA)
    …Network Professional (CLNP) + CompTIA Pentest+ CompTIA Cybersecurity Analyst (CySA+) + GPEN - Penetration Tester + GWAPT - Web Application Penetration ... Engineering, Information Technology, Cybersecurity, or related field with three ( 3 ) years of experience in incident detection and response,...this job requisition will remain open for at least 3 days with an anticipated close date of no… more
    Leidos (08/14/25)
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  • T1 AS&W Analyst - Day Front

    Leidos (Ashburn, VA)
    …+ GCFA - Forensic Analyst + GPEN - Penetration + GWAPT - Web Application Penetration Tester + GCFE - Forensic Examiner + CEH - Certified Ethical Hacker + ... this job requisition will remain open for at least 3 days with an anticipated close date of no...with an anticipated close date of no earlier than 3 days after the original posting date as listed… more
    Leidos (09/06/25)
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  • PCI Compliance Consultant - Part time & Remote

    TestPros (Sterling, VA)
    …Security Professional), CISM (Certified Information Security Manager), GX-PT (GIAC Experienced Penetration Tester ), GCIA (GIAC Intrusion Analyst), Other GIAC ... with profound understanding of PCI DSS requirements and testing methodology (version 3 .2.1 and above). You must also be detail-oriented, results-focused, and have a… more
    TestPros (08/19/25)
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