• Network Engineer

    Nightwing (Herndon, VA)
    …network infrastructure for voice and data systems , using best practice security methodologies. Integrate system design with network architecture to best meet ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers'… more
    Nightwing (09/23/25)
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  • Senior Web Application Penetration Tester

    CoStar Realty Information, Inc. (Arlington, VA)
    …CSGP) is a leading global provider of commercial and residential real estate information , analytics, and online marketplaces. Included in the S&P 500 Index and the ... been living and breathing the world of real estate information and online marketplaces for over 35 years, giving...The candidate will utilize threat modeling, white box application security analysis, and grey box penetration testing. This position… more
    CoStar Realty Information, Inc. (10/02/25)
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  • Incident Manager III

    ARSIEM (Arlington, VA)
    …[non nation-state sponsored], and third generation [nation-state sponsored]) + Knowledge of system and application security threats and attack methods (eg, ... [non nation-state sponsored], and third generation [nation-state sponsored]) + Knowledge of system and application security threats and attack methods (eg,… more
    ARSIEM (09/16/25)
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  • Cyber Client Service Technician - Richmond VA…

    GE HealthCare (VA)
    …. + Keep up to date on administrative responsibilities (eg, maintaining device level security information and internal service records in a timely manner, patch ... to the customer(s) for all issues related to device cybersecurity . The C-CST will be the primary liaison between...revenue programs). + Keep up to date with competitor information , device security bulletins and market trends.… more
    GE HealthCare (07/30/25)
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  • Digital Engineering Digital Thread Expert

    KBR (Chantilly, VA)
    …+ Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space ... Digital Thread Expert Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to… more
    KBR (07/12/25)
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  • Network Engineer- Variable Trust Endpoints

    Red Gate Group (Arlington, VA)
    …and/or development of secure platforms, security software for endpoints, and information security software systems + Substantial experience with ... of 8 years of relevant experience in cybersecurity , network development, network security , and/or enterprise systems + First-hand experience with research… more
    Red Gate Group (08/23/25)
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  • Control Engineer 2

    M. C. Dean (Vienna, VA)
    …world. Our operational groups in Industrial Controls, Energy Management, Power Systems , Building Automation, Transit, and Cybersecurity applications are leading ... Intelligence (TM) . As a leader and premier provider of cyber-physical systems , we spearhead the design, construction, operation, and maintenance of solutions… more
    M. C. Dean (08/30/25)
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  • Senior Embedded Software Engineer

    Carnegie Mellon University (Arlington, VA)
    …practices and serves as a national resource in software engineering, computer security , and process improvement. The SEI works closely with defense and government ... organizations, industry, and academia to continually improve software-intensive systems . Its core purposes are to help organizations improve software engineering… more
    Carnegie Mellon University (08/07/25)
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  • FedRAMP Senior Cyber Engineer (Multiple Levels)

    Noblis (Richmond, VA)
    …and after-action remediation + Post graduate degree in computer science, cybersecurity or information systems Overview Noblis (http://www.noblis.org/) ... + Perform compliance reviews of cloud service offering (CSO) system security plans (SSPs) and/or Key ...where your judgement will: + Have significant impact on cybersecurity for the USG + Be scrutinized in detail,… more
    Noblis (07/30/25)
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  • Linux Administrator - ACAS

    CACI International (Springfield, VA)
    …engineering, procurement, implementation, operations, sustainment, and disposal of transport and cybersecurity IT services on multiple networks and security ... Linux Administrator - ACAS Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of… more
    CACI International (08/11/25)
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