• Cyber ( CNO ) Software

    Percival Engineering (Columbia, MD)
    …to developing cutting-edge software , our team does it all. If you are a Cyber ( CNO ) Software Developer with a passion for innovation and a knack for ... Provide software development in support of custom software design and development of cyber capability...of custom software design and development of cyber capability tools and techniques + Draft documentation, participate… more
    Percival Engineering (08/07/25)
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  • Windows CNO Software

    Lockheed Martin (Herndon, VA)
    …collaborative work environment that encourages differences and big\-picture thinking\. As a Windows Developer , you will have the opportunity to work on a variety of ... mission\-critical programs developing specialized cyber tools, techniques and integrated effects\. The work our team performs requires a much higher level of… more
    Lockheed Martin (09/25/25)
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  • Cyber Software Engineer - Early…

    Lockheed Martin (Herndon, VA)
    …Lockheed Martin Space is seeking a part\-time Early Career Cyber Network Operations Software Engineer\. As a CNO Developer , you will have the opportunity ... to work on a variety of mission\-critical programs developing specialized cyber tools, techniques and integrated effects\. The work our team performs requires a much… more
    Lockheed Martin (10/22/25)
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  • Principal Java Developer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Principal** **Java Developer ** in our **National Security Sector's (NSS) Cyber & Analytics ... team is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software , Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (09/13/25)
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  • Full Stack Developer (SME)

    Leidos (Bethesda, MD)
    …for a **Full Stack Developer (SME)** in our **National Security Sector's (NSS) 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,...in National Security!** **Job Description** As a Full Stack Developer on this program, you will have the opportunity… more
    Leidos (08/08/25)
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  • Java Developer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Java Developer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... team is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software , Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (08/08/25)
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  • Sr. Full Stack Developer

    Leidos (Bethesda, MD)
    …**Leidos** has a new and exciting opportunity for a **Sr. Full Stack Developer ** in our **National Security Sector's (NSS) Cyber & Analytics Business ... team is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software , Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (08/08/25)
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  • Java Developer

    Leidos (Bethesda, MD)
    …team is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software , Analytical Methods and Modeling, Signals Intelligence ... with advanced Excel in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** . Our talented...We have an immediate need for a Sr. Java Developer with strong systems, software , cloud, database,… more
    Leidos (08/02/25)
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  • Sr. Java Developer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Sr.** **Java Developer ** in our **National Security Sector's (NSS) Cyber & Analytics ... team is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software , Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (09/13/25)
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  • MarkLogic Developer (SME)

    Leidos (Bethesda, MD)
    …for a **MarkLogic Developer SME** in our **National Security Sector's (NSS) 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 Cryptographic… more
    Leidos (08/02/25)
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  • Principal ETL Developer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Principal ETL** ** Developer ** in our **National Security Sector's (NSS) Cyber & Analytics ... at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software , Analytical Methods and Modeling,...Description** We have an IMMEDIATE NEED for an ETL developer to play a pivotal role in shaping, leading,… more
    Leidos (09/13/25)
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  • ETL Developer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for an **ETL Developer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software , Analytical Methods and Modeling,...Description** We have an IMMEDIATE NEED for an ETL developer to play a pivotal role in shaping, and… more
    Leidos (09/12/25)
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  • ETL Java Developer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **ETL Java Developer ** in our **National Security Sector's (NSS) Cyber & Analytics Business ... team is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software , Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (08/02/25)
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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 ... team is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software , Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (08/01/25)
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  • Senior Full Stack / UI Developer - 25k Sign…

    Leidos (Columbia, MD)
    …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 **Senior Software Engineer** to play a dual role in User...Full Stack Development within our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** . This position… more
    Leidos (10/10/25)
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  • Senior Kubernetes Software Engineer

    Leidos (Columbia, MD)
    …for a **Kubernetes Software Engineer** in our **National Security Sector's (NSS) 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,...and alerting frameworks + Contributions to open-source projects or developer communities + Ability to mentor junior engineers or… more
    Leidos (07/31/25)
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  • National Security Sector Referrals

    Leidos (Reston, VA)
    …talented team is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Offensive Cyber , Mission Software , Analytical Methods and ... us and make a difference in National Security!** The ** Cyber & Analytics Team** has a variety of exciting...most common opportunities are in the following areas: + Software Engineer / Developer : Java, Python, AI/ML… more
    Leidos (10/18/25)
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  • DevOps Engineer (SME)

    Leidos (Bethesda, MD)
    …team is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software , Analytical Methods and Modeling, Signals Intelligence ... Confluence, Jenkins, and Katalon Studio. + Demonstrated experience working within a software development team and supporting developers and developer activities.… more
    Leidos (08/08/25)
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