• Principal Systems Engineer (Hybrid)

    RTX Corporation (Fulton, MD)
    …including a mix of domestic and international pursuits and programs. We are seeking a ** Principal Systems Engineer ** to work in Fulton, MD. **What You Will Do** ... ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as...+ Serve as a technical lead and systems engineer on challenging software development projects such as the… more
    RTX Corporation (12/06/25)
    - Related Jobs
  • Principal Software Engineer

    Leidos (Bethesda, MD)
    …**Leidos** has a new and exciting opportunity for a ** Principal Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... Parental Paid Leave, and much more. **Join us and make a difference in National Security !** **Job Description** As a Software Engineer on this program, you will… more
    Leidos (11/19/25)
    - Related Jobs
  • Principal Engineer - DSP/Waveform…

    RTX Corporation (Cedar Rapids, IA)
    …global market. Mission Systems Advanced Technology & Capabilities (ATC) is seeking a Principal Engineer to perform research & development on the waveform ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date. US citizenship is… more
    RTX Corporation (11/19/25)
    - Related Jobs
  • Principal Software Engineer

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

    Leidos (Odenton, MD)
    …requirements. * Provide expert knowledge of defense-in-depth standards, Network and Security architecture , network topology, IT device integrity, and common ... **Description** Leidos is seeking a ** Principal ** **Network Engineer ** to join our...Estate users. **CLEARANCE REQUIREMENT:** _Must hold an active Secret security clearance prior to start and be able to… more
    Leidos (10/16/25)
    - Related Jobs
  • Principal Software Engineer

    Microsoft Corporation (Redmond, WA)
    …transforming data security in agentic world. We are looking for a Principal Software Engineer to build innovations to provide best in class data ... **Overview** Security represents the most critical priorities for our...beyond._ **Responsibilities** + Leads efforts and discussions for the architecture of aspects of products/solutions that are high performant,… more
    Microsoft Corporation (01/02/26)
    - Related Jobs
  • Principal Embedded Real-time Software…

    RTX Corporation (Tucson, AZ)
    …that takes pride in the company and consistently delivers superior solutions. Our Principal Embedded Real-time Software Engineer is a technical position that ... at least two of the following: Embedded C++ Software, Embedded Software Security , Software Architecture Design and Implementation. + Experience using embedded… more
    RTX Corporation (12/24/25)
    - Related Jobs
  • Principal Software Engineer

    Microsoft Corporation (Redmond, WA)
    …billions of lives around the world. We are looking to fill the role of ** Principal Software Engineer .** **About the Team:** Our team drives identity security ... **Overview** Security represents the most critical priorities for our...and exceptional user experience. + Drive technical strategy and architecture decisions across multiple services, influencing partner teams and… more
    Microsoft Corporation (12/12/25)
    - Related Jobs
  • Principal Systems Cyber Engineer

    RTX Corporation (Fullerton, CA)
    …problems that create a safer, more secure world. Raytheon is seeking a well-qualified ** Principal System Security Engineer (P4)** to join our Systems ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (12/09/25)
    - Related Jobs
  • Principal Software Engineer

    Cisco (San Jose, CA)
    …users, data, and applications-no matter where they reside. **Your Impact** As a Principal Software Engineer reporting directly to Senior Director of Engineering, ... models, and LLM-enabled applications. You will: + **Architect Next-Gen Security :** Define and drive the overall architecture ...Next-Gen Security :** Define and drive the overall architecture for Cisco's web and data security more
    Cisco (11/27/25)
    - Related Jobs