• Principal Software Engineer

    RTX Corporation (Sterling, VA)
    …for a security clearance​ **Security Clearance:** DoD Clearance: Secret ** Principal Software Engineer ** **- Training System Software (Onsite)** ... **Role Description: ** We are searching for a Principal Software Engineer to join...for the design, implementation, and testing of complex multi-platform training device software and their associated user… more
    RTX Corporation (11/19/25)
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  • Principal /Sr. Principal Cyber…

    Northrop Grumman (Chantilly, VA)
    …best work of your career. We are looking for you to join our team as a ** Principal ** **Cyber Software Test Engineer ** and **Sr. Principal ** **Cyber ... to management in a timely manner and make recommendations **Basic Qualifications for a Principal Cyber Software Test Engineer :** + **Candidate must currently… more
    Northrop Grumman (11/01/25)
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  • Principal / Sr Principal

    Northrop Grumman (Annapolis Junction, MD)
    …We are looking for you to join our team as a Principal or Sr. Principal Crypto Software Engineer based out of Annapolis Junction, MD, Chantilly, VA or ... intent, output requirements, input data acquisition, programming techniques and controls. ** Principal Crypto Software Engineer Basic Qualifications:** +… more
    Northrop Grumman (10/28/25)
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  • Principal Software Engineer

    GliaCell Technologies (Annapolis Junction, MD)
    …do not apply if you currently do not possess this level of clearance. Are you a Principal Software Engineer who is ready for a new challenge that will launch ... + We will develop and support your own personalized training program to continue your individual growth. + We...amazingly talented people Job Description: GliaCell is seeking a Principal Software Engineer on one… more
    GliaCell Technologies (11/10/25)
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  • Principal Software Engineer

    Corcentric (Bethesda, MD)
    As a Principal Software Engineer at Corcentric, you will join a driven, innovative team within an ambitious, entrepreneurial global organization. You will ... plenty of opportunity. We look forward to adding you into the mix! As a Principal Software Engineer , you will: + Design and implement .NET-based… more
    Corcentric (09/26/25)
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  • Principal Java Software

    RTX Corporation (Fort Meade, MD)
    …**State College, PA, Ft. Meade, MD or Aurora, CO.** **What You Will Do** + The Principal Java Software Engineer will design, develop, and maintain advanced ... solves tough, meaningful problems that create a safer, more secure world. In the ** Principal Java Software Engineering** role, you will design, develop, and test… more
    RTX Corporation (10/13/25)
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  • Principal Software Engineer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Software Engineer ** in our **National Security Sector's (NSS) Cyber & ... more. **Join us and make a difference in National Security!** **Job Description** As a Software Engineer on this program, you will have the opportunity to build… more
    Leidos (11/19/25)
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  • Principal Software Engineer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal ** ** Software Engineer ** in our **National Security Sector's (NSS) Cyber & ... **Join us and make a difference in National Security!** **Job Description** A Software Engineer on this program provides Agile development and operations and… more
    Leidos (11/07/25)
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  • Principal Signals Software

    RTX Corporation (Fort Meade, MD)
    …systems team. We are currently looking for a highly skilled and motivated Signals Software Engineer with a focus on radio frequencies, Fourier, and digital ... that create a safer, more secure world. In the ** Principal Signals Software Engineering** role, you will...prior relevant experience unless. + Experience as a Signals Software Engineer (SSWE) or equivalent on a… more
    RTX Corporation (10/13/25)
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  • Sr. Principal Cyber Software

    Northrop Grumman (Chantilly, VA)
    …work of your career. **Northrop Grumman Mission Systems** is seeking an experienced **Senior Principal Cyber Software Engineer ** to join our team supporting ... Systems Sector site in Chantilly, VA. As a Senior Software Engineer on the Mobile Development team,...Paid Time Off and Additional Benefits including Education Assistance, Training and Development, 9/80 Work Schedule (where available), and… more
    Northrop Grumman (10/21/25)
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  • Sr Principal Cyber Software

    Northrop Grumman (Annapolis Junction, MD)
    …within Northrop Grumman. We are looking for you to join our team as a Sr Principal Cyber Software Test Engineer based out of Annapolis Junction, MD. **What ... global security environments, Northrop Grumman brings informed insights and software -secure technology to enable strategic planning. We're looking for innovators,… more
    Northrop Grumman (11/12/25)
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  • Principal Software Systems…

    RTX Corporation (Sterling, VA)
    …security clearance **Security Clearance:** DoD Clearance: Secret Collins Aerospace is looking for a Principal Software Systems Engineer - IPT Lead with a ... and military customers. https://www.collinsaerospace.com/what-we-do/industries/military-and-defense/navigation/airborne-products/attitude-and-heading-reference-system/athena-gs111r-uas-autopilot-adahrs-pnt-hub As a Software Systems Engineer -… more
    RTX Corporation (10/29/25)
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  • Principal Software Engineer

    Leonardo DRS, Inc. (Germantown, MD)
    …and border surveillance. **Job Summary** Join our dynamic radar defense company as a Principal Software Engineer where you'll drive technical vision and ... engineer who can seamlessly bridge the gaps between software , hardware, product strategy, and manufacturing while delivering innovative, secure solutions.… more
    Leonardo DRS, Inc. (10/02/25)
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  • Principal Software Engineer

    RTX Corporation (Fulton, MD)
    …a wholly owned subsidiary of Collins Aerospace/RTX and is currently seeking a ** Principal Software Engineer ** who is enthusiastic, hardworking, and proactive ... environment, directly driving the design, architecture, and development of new software systems and products utilizing these technologies. Solipsys is an industry… more
    RTX Corporation (10/24/25)
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  • Principal Kubernetes Software

    Leidos (Columbia, MD)
    …and make a difference in National Security!** **Job Summary:** Our ideal Software Engineer will have expertise in Kubernetes containerization and orchestration. ... **Description** **Leidos** has a new and exciting opportunity for a ** Principal Kubernetes** **S** **oftware Engineer ** in our **National Security Sector's (NSS)… more
    Leidos (09/04/25)
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  • Senior Principal Software

    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 an aptitude to work on software -intense distributed systems** . The successful candidate will execute in direct technical leadership roles on various… more
    RTX Corporation (10/02/25)
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  • Principal Software Engineer

    Huntington Ingalls Industries (Columbia, MD)
    …current Secret or TS level clearance. + 15+ years of experience as a software engineer , designing, developing, and deploying complex backend systems and a ... data solution development and deployment, with expertise in cloud-based services, software and systems engineering, cyber capabilities, and data science. Enlighten… more
    Huntington Ingalls Industries (10/23/25)
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  • Principal Cobol/ Pega Software

    CareFirst (Reston, VA)
    …and adheres to the plan. Leads stakeholder and product owner meetings to define software requirements and creates highly complex systems. Acts as a mentor to junior ... of existing applications. Compile, assess, and report data results from software testing and analysis. Experience building cloud ready applications. Design and… more
    CareFirst (10/22/25)
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  • Principal Software Engineer

    Lockheed Martin (Hanover, MD)
    …We are seeking professionals interested in a variety of responsibilities including; * Software development / * Software engineering For a complete list that ... Diploma or GED plus twenty\-six \(26\) years of general software engineering experience OR * A Bachelor's degree in...and responsibilities of the position, candidate's work experience, education/ training , key skills as well as market and business… more
    Lockheed Martin (10/10/25)
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  • Principal /Sr. Principal Cyber…

    Northrop Grumman (Fairfax, VA)
    …the best work of your career. We are looking for you to join our team as a Principal Cyber Systems Engineer or Sr. Principal Cyber Systems Engineer level ... meetings with external contractors/offices. This requisition may be filled at either a Principal Cyber Systems Engineer or Sr. Principal Cyber Systems… more
    Northrop Grumman (08/22/25)
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