• Secret Vulnerability Penetration…

    Insight Global (Aberdeen Proving Ground, MD)
    Job Description A client of Insight Global is seeking a Cybersecurity Penetration Tester to work 100% onsite at Aberdeen, MD in support of a defense program. ... Candidates must have at least 5 years of experience in cybersecurity assessments or penetration testing, with strong knowledge of Linux and Windows internals,… more
    Insight Global (09/30/25)
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  • Penetration Tester

    CACI International (Annapolis Junction, MD)
    Penetration Tester Job Category: Security Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of ... **The Opportunity:** We are seeking an experienced and knowledgeable Penetration Tester to serve as a Subject...serve as a Subject Matter Expert (SME) for our cybersecurity team. In this role, you will provide specialized… more
    CACI International (07/18/25)
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  • Penetration Tester 3 with Poly

    Amentum (Columbia, MD)
    …the 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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  • Cyber Security Engineer ( Penetration…

    CACI International (Aberdeen Proving Ground, MD)
    Cyber Security Engineer ( Penetration Tester ) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: ... available. + Requires a minimum of 5 years of experience in technical cybersecurity assessments and/or penetration testing, with proficiency in utilizing tools… more
    CACI International (08/26/25)
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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. ... Active Secret **What You Will Do** **:** This position is expected to conduct penetration testing activities on High Value Asset (HVA) systems owned and operated by… more
    Guidehouse (07/21/25)
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  • Business Process Engineer- TS/SCI with Poly

    Amentum (Linthicum, MD)
    …Experience:** + Eight (8) experience of related work experience as a Penetration Tester performing both network and application-level testing using established ... operating systems, architectures, equipment, services, and standards. + Perform vulnerability and penetration testing using a wide variety of tools + Research and… more
    Amentum (09/18/25)
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  • Security Engineer II, US Amazon Dedicated Cloud…

    Amazon (Jessup, MD)
    …Certified Professional (OSCP) equivalent, or higer - GIAC Exploit Researcher and Advanced Penetration Tester (GXPN) equivalent, or higher Amazon is an equal ... Hacker) or CFR (CyberSec First Responder) or Cloud+ or CySA+ (CompTIA Cybersecurity Analyst) or GCED (GIAC Certified Enterprise Defender) or GICSP (Global Industrial… more
    Amazon (09/26/25)
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