• 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 ... 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,… more
    Parsons Corporation (08/08/25)
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  • Senior Software Developer

    Leidos (Lorton, VA)
    …The National 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… more
    Leidos (06/08/25)
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  • Junior Software Developer

    Leidos (Lorton, VA)
    …The National 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… more
    Leidos (06/08/25)
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  • Software Developer

    Leidos (Lorton, VA)
    …National 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… more
    Leidos (06/08/25)
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  • Entry-Level Software or Embedded Engineer/…

    Parsons Corporation (Centreville, VA)
    …looking for. **Job Description:** Parsons is looking for an entry-level **TS Cleared Software ** or **Embedded Engineer/ Developer ** to join our team! In this role ... helping to drive client computer network defense (CND) and computer network operations ( CNO ) missions into the future. You'll interface directly with CND and CNO more
    Parsons Corporation (08/08/25)
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  • Senior Cyber Capability Developer (Reverse…

    Leidos (Lorton, VA)
    …team is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software , Analytical Methods and Modeling, Signals Intelligence ... The Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and… more
    Leidos (06/08/25)
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  • JIRA Developer

    Leidos (Mclean, VA)
    …team is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software , Analytical Methods and Modeling, Signals Intelligence ... has a new and exciting opportunity for a **JIRA Developer ** in our **National Security Sector's (NSS) Cyber &...+ Experience with Service Now platform + Experience developing software team solutions using Atlassian tools and Atlassian Confluence… more
    Leidos (08/01/25)
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  • Software Engineer

    Leidos (Alexandria, VA)
    …team is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software , Analytical Methods and Modeling, Signals Intelligence ... analysis, interface control, and testing and continuous integration. + Experience in software development on Agile teams using Agile Developer practices such… more
    Leidos (06/20/25)
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  • Software Engineer TS/SCI Poly

    Leidos (Alexandria, VA)
    …team is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software , Analytical Methods and Modeling, Signals Intelligence ... control, and testing and continuous integration. + Experience in software development on Agile teams using Agile Developer... software development on Agile teams using Agile Developer practices such as Pair Programming, TDD, Refactoring, and… more
    Leidos (05/28/25)
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  • IT Networking and HW Administrator

    Leidos (Lorton, VA)
    …team is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software , Analytical Methods and Modeling, Signals Intelligence ... The Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and… more
    Leidos (06/08/25)
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