• Principal Penetration Tester

    Comcast (Philadelphia, PA)
    …for the remote option.) **Job Summary** We are looking for an experienced Principal Penetration Tester (Engineering Level 5) to join our Penetration Testing ... strategies and architect solution to challenging cybersecurity gaps. + Execute application penetration tests for APIs, mobile SDKs, cloud environments… more
    Comcast (10/29/25)
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  • Senior Web App Pen Tester (San Diego…

    CoStar Realty Information, Inc. (San Diego, CA)
    Senior Web App Pen Tester (San Diego or...(CPTS) / AD Pentesting Expert (CAPE) + INE Security Web Application Penetration Tester eXtreme (eWPTX) + ... of professional experience penetration testing + Experience with web application penetration testing, identifying and exploiting attack chains to evaluate… more
    CoStar Realty Information, Inc. (10/02/25)
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  • Senior Penetration Testing Engineer

    Walmart (Bentonville, AR)
    …and ingenuity to secure data for the largest retail operation in the world. The Senior Penetration Tester will use their knowledge and methodologies of ... current penetration testing techniques to ensure software and hardware solutions...cybersecurity, or related area and 3 years' experience in application security, or related area at a technology, retail,… more
    Walmart (11/19/25)
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  • Senior Red Cyber Operator

    Parsons Corporation (Fort Belvoir, VA)
    Tester (GXPN), GIAC Penetration Tester (GPEN), and/or GIAC Web Application Penetration Tester (GWAP). + Expertise in antivirus evasion, EDR ... **Job Description:** Parsons is looking for an amazingly talented ** Senior Red Cyber Operator** to join our team! In...to conduct red team assessments, offensive cyber operations, and penetration testing. **What You'll Be Doing:** + Penetration more
    Parsons Corporation (09/19/25)
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  • Software Developer Senior

    General Dynamics Information Technology (Fort Belvoir, VA)
    …Pentester (OSEP), Advanced Windows Exploitation (OSEE), Exploit Researcher and Advanced Penetration Tester (GXPN), Reverse Engineering Malware (GREM) + Security ... simple solutions to complex problems as a Software Developer, Senior at GDIT. Here, you'll tailor cutting-edge solutions to...unique requirements of our clients. With a career in application development, you'll make the end user's experience your… more
    General Dynamics Information Technology (11/21/25)
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  • Application Security (AppSec) Engineer

    Kiewit (Omaha, NE)
    application developer (.Net or Python). + 2-3 years' experience as a penetration tester . + 2-3 years' experience with cloud security controls. + Proficient ... provide technical support and guidance over the Kiewit Information Technology application security program. They will lead the discovery, assessment, remediation,… more
    Kiewit (11/21/25)
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  • Manager, Cyber Threat Management

    Vanguard (Dallas, TX)
    …certification such as ISC2 CISSP, GIAC Security, Essentials Certification (GSEC), GIAC Penetration Tester Certification (GPEN), GIAC Web App Pen Tester ... and industry best practices. + Tooling and Process Development:Provide senior technical expertise in the selection, implementation, and continuous improvement… more
    Vanguard (09/19/25)
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  • Cybersecurity Vulnerability Analyst

    Node.Digital (Arlington, VA)
    …experience * Experience as a hands-on cybersecurity analyst (ie SOC Analyst or Penetration Tester ) is required * Experience with the analysis and ... multiple sources, synthesize that information, and provide expert analysis to senior customer stakeholders. Node is seeking a Cybersecurity Vulnerability Analyst to… more
    Node.Digital (10/02/25)
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  • CNO Developer/Engineer

    Shuvel Digital (MD)
    …listed under required skills. + Certifications (eg, GIAC Exploit Researcher and Advanced Penetration Tester (GXPN), GIAC Python Coder (GPYC), GIAC Certified Unix ... Education Level: Bachelors Position Description: GITI is looking for a senior -level CNO Developer/ Engineer Capable of developing cyber capabilities and exploitation… more
    Shuvel Digital (09/04/25)
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