• Principal Software Engineer

    Sierra Nevada Company, LLC (Dayton, OH)
    …+ Experience working in multi-disciplinary teams + **Ability to obtain/maintain a Top Secret US Security Clearance** **Qualifications We Prefer:** + ... enjoy developing new products and services? Join us! Our Software Engineers work in an agile, collective environment. You...position requires the ability to obtain and maintain a Top Secret US Security Clearance. US Citizenship… more
    Sierra Nevada Company, LLC (11/18/25)
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  • Principal Software Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …architecture making an impact on a software engineering team + Active Top Secret US Security Clearance w/ SCI eligibility is required **Qualifications We ... more (https://www.sncorp.com/careers/total-rewards/) . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US Security… more
    Sierra Nevada Company, LLC (11/07/25)
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  • Principal Software Engineer

    Huntington Ingalls Industries (Columbia, MD)
    … or TS level clearance. + 15+ years of experience as a software engineer , designing, developing, and deploying complex backend systems and a Bachelors in ... Enlighten, honored as a Top Workplace from USA Today, is a leader...solution development and deployment, with expertise in cloud-based services, software and systems engineering, cyber capabilities, and data science.… more
    Huntington Ingalls Industries (10/23/25)
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  • Principal Software Engineer

    RTX Corporation (Aurora, CO)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI - Current Position contingent upon contract award Collins Aerospace, an RTX ... team for the AF DCGS High Band Mission Applications Software (HBMAS) Sustainment and Development program. Under this effort,...minimum 5 years of experience + Active and transferable TS /SCI US government issued security clearance is required prior… more
    RTX Corporation (01/14/26)
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  • Principal / Sr. Principal

    Northrop Grumman (Dulles, VA)
    …are not only part of history, they're making history. We have an opening for a Software Engineer to join our team of qualified, diverse individuals in the Space ... all levels This position can be hired as a Principal Engineer (level 3) or a Sr....Physics or closely related field. + **Current and active** Top Secret /SCI clearance at time of application.… more
    Northrop Grumman (01/14/26)
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  • Principal / Sr. Principal Embedded…

    Northrop Grumman (Dulles, VA)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... making history. We have an opening for an Embedded Software Engineer to join our team of...or 8 years (level 4) of relevant experience + Top Secret clearance with ability to obtain… more
    Northrop Grumman (01/14/26)
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  • Principal Signals Software

    RTX Corporation (Aurora, CO)
    …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 (01/12/26)
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  • Sentinel - Sr Principal Engineer

    Northrop Grumman (Roy, UT)
    …The Systems Security Engineering Team (SSE) is seeking a highly motivated and qualified Sr. Principal Software Engineer to serve as a System Security ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At...Software Assurance Engineer , Level 4. You will be responsible for helping… more
    Northrop Grumman (01/14/26)
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  • Principal Software Development…

    Oracle (Montpelier, VT)
    …thrives, providing the connective tissues and purpose-built solutions. We are seeking a ** Software Development Engineer (SDE)** to join ASC team within the ... Oracle Government Defense Intelligence (GDI) division. **Responsibilities** **Responsibilities** Our Principal engineers are technical leaders in our government clouds.… more
    Oracle (12/20/25)
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  • Principal Full Stack Software

    Northrop Grumman (Hollywood, MD)
    …positions at Northrop Grumman. Northrop Grumman Defense Systems (NGDS) is looking for a ** Principal Software Engineer ** based out of **Hollywood, MD (** St. ... in a large program that will support the full software product lifecycle in an Agile Scrum framework: requirement...the last 5 years), with ability to obtain a Top - Secret clearance and Special Access Program (SAP)… more
    Northrop Grumman (11/12/25)
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