• Lead Web App Pen Tester

    CoStar Realty Information, Inc. (Arlington, VA)
    …application security program and follow-through ideas to completion + Passionate about cyber security keeping up with latest trends in the threat landscape + ... and production. The candidate will utilize threat modeling, white box application security analysis, and grey box penetration testing. This position will collaborate… more
    CoStar Realty Information, Inc. (10/03/25)
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  • Information Assurance Analyst II - Crystal City

    Epsilon, Inc (Arlington, VA)
    …Customer's Mission:** Team Epsilon has been chosen to deliver full-spectrum IT and Cyber Security support to a critical and enduring multinational organization ... offering adaptable enterprise infrastructure solutions. Our services, ranging from systems administration and network engineering to Information security and… more
    Epsilon, Inc (10/02/25)
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  • Detection Engineer

    Nelnet (Richmond, VA)
    …in department-wide change control and IT governance processes, on behalf of the Nelnet Cyber Security Group (CSG). * Learn and use Cribl or complementary data ... the business needs and be able to coordinate those with the organization's security and operational goals. This position requires work in support of the Company's… more
    Nelnet (09/26/25)
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  • Information Assurance Analyst I

    Epsilon, Inc (Manassas, VA)
    …Customer's Mission:** Team Epsilon has been chosen to deliver full-spectrum IT and Cyber Security support to a critical and enduring multinational organization ... offering adaptable enterprise infrastructure solutions. Our services, ranging from systems administration and network engineering to Information security and… more
    Epsilon, Inc (09/25/25)
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  • Network Engineer - Senior

    Amentum (Warrenton, VA)
    **Your Impact:** Are you interested in using your skills to help shape the Cyber , Security , & Intel space? If so, look no further. Amentum is seeking a Senior ... administration and operations support, operating systems programming, system security policy procedures, and operations. * Analyze and develop new hardware… more
    Amentum (09/23/25)
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  • ADC Engineer II, AWS Cryptography and Identity…

    Amazon (Arlington, VA)
    …it stop you from applying. Basic Qualifications - Cloud+ or GICSP (Global Industrial Cyber Security Professional) or GSEC (GIAC Security Essentials) or SSCP ... Security Certified Practitioner) - 3+ years of systems administration experience Linux/Unix (Ubuntu, CentOS, RedHat, Solaris etc) in production environments.… more
    Amazon (09/11/25)
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  • Deskside Administrator I - Crystal City

    Epsilon, Inc (Arlington, VA)
    …Customer's Mission:** Team Epsilon has been chosen to deliver full-spectrum IT and Cyber Security support to a critical and enduring multinational organization ... offering adaptable enterprise infrastructure solutions. Our services, ranging from systems administration and network engineering to Information security and… more
    Epsilon, Inc (10/02/25)
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  • CSS Administrative Support Specialist (Work…

    Parsons Corporation (Centreville, VA)
    …75 years of experience, Parsons is uniquely qualified to deliver cyber /converged security , technology-based intellectual property, and other innovative services ... for. **Job Description:** Parsons is looking for an amazingly talented **CSS Administrative Support Specialist** to join our team! **This position is located in… more
    Parsons Corporation (09/25/25)
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  • Linux Systems Administrator (Unix)

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    …Linux system management skills are required. + Must meet DoD 8570 Cyber Security Workforce (CSWF) criteria of Information Assurance Technical (IAT) ... a Linux Systems Administrator (UNIX) who will be responsible for system administration and customer support of servers and workstations in a Research, Development,… more
    UIC Government Services and the Bowhead Family of Companies (09/28/25)
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  • Site Reliability Engineer - CTJ - Top Secret

    Microsoft Corporation (Reston, VA)
    …Would you like to be part of one of the world's most advanced cyber - security solutions and protect millions of computers from thousands of active attack ... Support Development & Design: Make basic code changes to improve reliability, security , and observability, and engage in design/code reviews with guidance from… more
    Microsoft Corporation (09/12/25)
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