• Software Engineer , Principal

    Parsons Corporation (Annapolis Junction, MD)
    …the next generation of secure, mission-critical systems that support national defense, cyber operations, and government modernization efforts. We are looking for a ... **Software Engineer ** to help design and develop our **core data...years of experience, Parsons is uniquely qualified to deliver cyber /converged security, technology-based intellectual property, and other innovative services… more
    Parsons Corporation (07/26/25)
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  • Principal DevOps Engineer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **PrincipalDevOps Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics ... and make a difference in National Security!** **Job Summary** This PrincipalDevOps Engineer role provides mission critical system support to our customer. You will… more
    Leidos (08/01/25)
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  • Senior Principal Software Engineer

    RTX Corporation (Fulton, MD)
    …of Raytheon Technologies (RTX). We are currently looking for a talented **Senior Principal Software Engineering, who is experienced in either C++ and/or Java, with ... automated deployment and test (CI/CD). + Experience with managing cyber security processes including vulnerability assessments. + Experience developing system… more
    RTX Corporation (07/08/25)
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  • Principal Software Engineer - 25k…

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Software Engineer in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... with lasting impactful results. Leidos is currently looking to add a Software Engineer (SWE-3) to a growing task. Tasks will include new design and prototyping… more
    Leidos (07/16/25)
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  • Principal Systems Engineer

    Parsons Corporation (Aberdeen, MD)
    …for. **Job Description:** We are seeking a highly skilled and experienced Lead Systems Engineer to join our team and help design and manage an enterprise software ... 75 years of experience, Parsons is uniquely qualified to deliver cyber /converged security, technology-based intellectual property, and other innovative services to… more
    Parsons Corporation (08/13/25)
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  • Principal Integration Engineer SPM

    Leidos (Bethesda, MD)
    …opportunity for an **Integration Scrum Team PM** in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** . Our talented team is at the ... **Job Description** This role requires an experienced Development Team Lead and Systems Engineer to perform as a Scrum Team Project Manager (SPM) in the IC… more
    Leidos (08/01/25)
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  • Principal Software Engineer (Hybrid)

    Huntington Ingalls Industries (Columbia, MD)
    …with expertise in cloud-based services, software and systems engineering, cyber capabilities, and data science. Enlighten provides continued innovation and ... or TS level clearance. + 15+ years of experience as a software engineer , designing, developing, and deploying complex backend systems and a Bachelors in related… more
    Huntington Ingalls Industries (07/24/25)
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  • Principal Specialist - Software Engineering

    KBR (Lexington Park, MD)
    Title: Principal Specialist - Software Engineering Note: This is a remote position. Program Summary: KBR's Defense and Technology Solutions (DTS) business unit ... strengths in digital engineering; research, development, test and evaluation (RDT&E); cyber ; AI; modeling and simulation; and rapid prototyping, KBR delivers… more
    KBR (08/08/25)
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  • Principal User Interface Developer 25k Sign…

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal User Interface Developer** in our **National Security Sector's (NSS) Cyber & ... with lasting impact. Leidos is seeking a highly skilled ** Principal User Interface (UI) Developer** to join our growing...application development team. We are looking for a software engineer with expertise in user interface (UI) development who… more
    Leidos (06/03/25)
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  • RF / DSP Software Engineer level 4

    Lockheed Martin (Hanover, MD)
    …We support our employees, so they can support our mission\. **THE WORK** As a Principal Software Engineer , my typical day is filled with excitement and energy as ... and related RF technologies\. \(see Basic Qualifications\) Overall, my role as a Principal Software Engineer is both challenging and rewarding\. I enjoy the… more
    Lockheed Martin (07/12/25)
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