• Principal Engineer - IBM Mainframe Platform

    Toyota (Plano, TX)
    …interested in joining a collaborative and highly motivated team as a ** Principal Engineer - IBM Mainframe Platform Engineer.** The primary responsibility of this ... sustainable Mainframe Operations practice for IBM z/OS infrastructure, mainframe security , performance tuning, and systems integration with strategic mainframe… more
    Toyota (12/17/25)
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  • Principal Software Engineer - 25k Sign…

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Software Enginee** r in our **National Security Sector's (NSS) Cyber & Analytics ... Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling,… more
    Leidos (12/13/25)
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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 & Analytics ... Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling,… more
    Leidos (11/19/25)
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  • Principal Architect

    United Airlines (Chicago, IL)
    …define tomorrow, together. **Description** **Job overview and responsibilities:** The Principal Architect will be responsible for leading the architectural design ... Collaborate with domain architects, engineers, and leaders to develop technical standards, reference architectures, design patterns, opinion papers, and architecture… more
    United Airlines (11/01/25)
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  • Sr Principal Quality Engineer

    Northrop Grumman (Baltimore, MD)
    …making history. Northrop Grumman Mission Systems (NGMS) is currently seeking a **Sr. Principal Quality Engineer** (Level 4) for the SUB-ARRAY Cell to join our BWI ... + Leads the resolution of quality requirements nonconformances or repairs. + Present Program Risks and Opportunities within the Cell. + Leads Cell Audits. +… more
    Northrop Grumman (01/09/26)
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  • Principal Software Engineer (Onsite)

    RTX Corporation (Portsmouth, RI)
    …Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** DoD Clearance: Secret...safer, more secure world. We are seeking a skilled Principal Software Engineer to join our Radar Digital Product… more
    RTX Corporation (10/29/25)
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  • Principal Engineer, General Engineering

    RTX Corporation (Chula Vista, CA)
    …Type:** Unspecified **U.S. Citizen, US Person, or Immigration Status Requirements:** ** Security Clearance:** Rohr Inc. d/b/a Collins Aerospace has an opening for ... a Principal Engineer, General Engineering in Chula Vista, CA. Joining...certified type design and airworthiness (FAA/EASA) requirements. + Provide technical guidance to Junior and Senior engineers, making recommendations… more
    RTX Corporation (01/07/26)
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  • Principal Software Development Engineer (C…

    Zscaler (San Jose, CA)
    …shape the future of cybersecurity. _Our Engineering team built the world's largest cloud security platform from the ground up, and we keep building. With more than ... has made us and our multitenant architecture today's cloud security leader, with more than 15 million users in...agility with a cloud-first strategy._ We are hiring a Principal Software Development Engineer to join our Central Authority… more
    Zscaler (01/10/26)
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  • Principal Change Management Lead - Systems…

    RTX Corporation (Aurora, CO)
    …growth of the program + Ability to work independently and provide technical direction to team members + Ability to assess, recommend, and champion areas for ... 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 (11/28/25)
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  • Principal Systems Engineer - Control…

    RTX Corporation (Aurora, CO)
    …Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS/SCI - Current...ground system? We have an exciting opportunity for a ** Principal Systems Engineer - Control Account Manager** to support… more
    RTX Corporation (12/11/25)
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