• CNO Developer (All Levels) - TS/SCI…

    Parsons Corporation (Centreville, VA)
    …from their mentorship to grow your skills and support our customer's mission. Your CNO skills will be stretched to the limit as you utilize your creativity to ... discover new solutions to problems, implement capabilities, and help better protect our country. **What You'll Be Doing:** + Design and develop innovative software code for new tools and capabilities in areas related to computer security, vulnerability… more
    Parsons Corporation (08/08/25)
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  • Senior Software Developer

    Leidos (Lorton, VA)
    …Security Sector (NSS) has a new and exciting opportunity for a Senior Software Developer in our Cyber & Analytics Business Area (CABA). Our talented team is at ... the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (06/08/25)
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  • Entry-Level Software or Embedded Engineer/…

    Parsons Corporation (Centreville, VA)
    …Description:** Parsons is looking for an entry-level **TS Cleared Software** or **Embedded Engineer/ Developer ** to join our team! In this role you will work directly ... client computer network defense (CND) and computer network operations ( CNO ) missions into the future. You'll interface directly with...into the future. You'll interface directly with CND and CNO experts to design and develop tools and systems.… more
    Parsons Corporation (08/08/25)
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  • Junior Software Developer

    Leidos (Lorton, VA)
    …Security Sector (NSS) has a new and exciting opportunity for a Junior Software Developer in our Cyber & Analytics Business Area (CABA). Our talented team is at ... the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (06/08/25)
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  • Senior Cyber Capability Developer (Reverse…

    Leidos (Lorton, VA)
    …(NSS) has a new and exciting opportunity for a Senior Cyber Capability Developer (Reverse Engineer) in our Cyber & Analytics Business Area (CABA). Our talented ... is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (06/08/25)
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  • Software Developer

    Leidos (Lorton, VA)
    …Security Sector (NSS) has a new and exciting opportunity for a Mid-level Software Developer in our Cyber & Analytics Business Area (CABA). Our talented team is at ... the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (06/08/25)
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  • JIRA Developer

    Leidos (Mclean, VA)
    **Description** **Leidos** has a new and exciting opportunity for a **JIRA Developer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (08/01/25)
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  • Software Engineer

    Leidos (Alexandria, VA)
    …is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and ... + Experience in software development on Agile teams using Agile Developer practices such as Pair Programming, Test Driven Development (TDD), Refactoring,… more
    Leidos (06/20/25)
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  • IT Networking and HW Administrator

    Leidos (Lorton, VA)
    …is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and ... Program, providing IT user support, IT security, IT services, and developer support for mobile device analysis, collection, and exploitation engineering services… more
    Leidos (06/08/25)
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  • Test Engineer

    Leidos (Lorton, VA)
    …is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and ... Program, providing IT user support, IT security, IT services, and developer support for mobile device analysis, collection, and exploitation engineering services… more
    Leidos (06/08/25)
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