• Senior Offensive Security

    Humana (Richmond, VA)
    …part of our caring community and help us put health first** The Senior Engineer , Offensive Security , executes high-fidelity threat actor and control ... **_Minimum Qualifications_** + _Minimum 3 years of experience in offensive security roles such as Red Team, Penetration Testing, or Bug Bounty programs_… more
    Humana (07/22/25)
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  • Offensive Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Offensive Security Engineer Job...employers + 3 years of experience performing offensive security activities such as red teaming, ... Description ** Offensive Security Engineer ** **Overview** CoStar Group (NASDAQ: CSGP) is a leading...provide an invaluable edge in real estate. Evolve our offensive security capabilities to test our internal… more
    CoStar Realty Information, Inc. (07/03/25)
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  • Security Software Engineer - Red…

    Imagine One Technology & Management (Dahlgren, VA)
    …Metasploit, NMAP, Cobalt Strike 2. Associated Training: Certified Ethical Hacker or Offensive Security Certified Professional and; 3 . Documented experience ... One Technology & Management, Ltd. is seeking one (1) Security Software Engineer . This position is contingent...tester and possess one of the following certificates: 1. Offensive Security Certs: Offensive more
    Imagine One Technology & Management (06/25/25)
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  • Cyber Security Engineer

    Leidos (Springfield, VA)
    **Description** We are seeking a Cyber Security Engineer who is responsible for developing and implementing advanced security solutions to defend critical ... to support the design and deployment of defensive cyber measures. The engineer conducts research on current and emerging cyber threats, identifies vulnerabilities,… more
    Leidos (05/24/25)
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  • Security Engineer

    Leidos (Chantilly, VA)
    **Description** We are seeking a highly skilled Cyber Security Engineer supporting the NRO cyber operations group or Industrial Control Systems group at each ... software and hardware development for cybersecurity applications, including both offensive and defensive security solutions. + Proficiency...this job requisition will remain open for at least 3 days with an anticipated close date of no… more
    Leidos (05/24/25)
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  • Security Engineer II, Stores…

    Amazon (Arlington, VA)
    Description Amazon's Stores Pentest Team is seeking a Security Engineer to help keep Amazon secure for its customers. In this role, you will attack Amazon's ... of highly skilled individuals sounds exciting to you. A Security Engineer at Amazon is expected to...years of experience in a penetration testing or similar offensive security role Preferred Qualifications - 4+… more
    Amazon (06/18/25)
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  • Senior Cyber Capability Developer (Reverse…

    Leidos (Lorton, VA)
    …+ Relevant certifications such as Certified Reverse Engineering Analyst (CREA), Offensive Security Certified Professional (OSCP), or similar certifications ... for our customers, our people, and our community. The Leidos National Security Sector combines technology-enabled services and mission software capabilities in the… more
    Leidos (06/08/25)
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  • Cyber Software Engineer

    Leidos (Arlington, VA)
    **Description** Are you a motivated **Cyber Software Engineer ** with technical hands-on knowledge of mission focused systems? Are you an ethical hacker ready to ... apply your knowledge to National Security ? Join us at the Leidos Innovations Center, Information...variety of exciting R&D programs. As a **Cyber Software Engineer ** , you will design and implement sophisticated low-level… more
    Leidos (05/08/25)
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  • Senior Reverse Engineer - Firmware/Hardware

    Parsons Corporation (Centreville, VA)
    …you're looking for. **Job Description:** Parsons is looking for an amazingly talented **Hardware** ** Engineer ** to join our team! In this role you will get to **work ... + Self-motivated and passionate about supporting the US Cyber Security mission + Candidate must be able to understand...mission + Candidate must be able to understand both offensive and defensive aspects of RE; defeating against and… more
    Parsons Corporation (05/14/25)
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  • Exploit Developer/Penetration Tester 2/ 3

    Northrop Grumman (VA)
    …new platforms/APIs/protocols/architectures/languages, and leveraging that knowledge to reverse engineer , develop, and demonstrate exploits against some of the ... and method. Isolates, blocks or removes threat access. Evaluates system security configurations. Evaluates findings and performs root cause analysis. Performs… more
    Northrop Grumman (07/18/25)
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