• Principal Software Engineer

    RTX Corporation (Tucson, AZ)
    …Prioritize and handle multiple software engineering tasks concurrently + Troubleshoot software and test equipment instrumentation + Work in a multidiscipline ... and Microsoft Visual Studio is required. + Prior experience in laboratory test instrumentation, electronics, and software (Ex. oscilloscopes, power supplies,… more
    RTX Corporation (11/07/25)
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  • Principal Environmental Test

    RTX Corporation (Tucson, AZ)
    …installations and data acquisition support. Environmental Test is seeking a Principal Test Engineer in the field of environmental testing. ... The Test Engineer is responsible for executing a variety of environmental...chambers. + Experience working with vibration control systems and software . + Experience with solid modeling and analysis … more
    RTX Corporation (11/21/25)
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  • Principal Sys Engineer , Live…

    RTX Corporation (Tucson, AZ)
    …Systems Engineering and Test Center (SETC) organization is currently hiring a Principal Systems Engineer , Effectors, to join our Tucson, AZ location. SETC is ... environments? Raytheon is seeking a talented and motivated Systems Engineer to join our team within the Systems Engineering...8 years of prior engineering experience. + Live Battery Test Experience. + Experience with systems software ,… more
    RTX Corporation (01/08/26)
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  • Principal Test Systems Technical…

    Butler America (Tucson, AZ)
    Principal Test Systems Technical Lead Engineer Location: Tucson, AZ Job ID: #71803 Pay Range: $65-80 We have an exciting opportunity for a full-time position ... of Principal Test Systems Technical Lead Engineer...Engineering or equivalent Engineering experience for both hardware and test software development, integration, verification, validation, and… more
    Butler America (11/11/25)
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  • Sr. Principal Air Vehicle System…

    Northrop Grumman (Young, AZ)
    …from Northrop Grumman Responsible Engineering/Development/ Test Engineering teams. **Sr. Principal System Test Engineer responsibilities include:** + ... Systems has an opening for a **Air Vehicle System Test Engineer - Engineering Field Service Representative**...matter expert, providing training on the system hardware and software , as well as supporting the sailors in the… more
    Northrop Grumman (11/16/25)
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  • Principal Test Engineer

    Mercury Systems (Phoenix, AZ)
    Req. Number 25-504 Job Description Job Summary: Mercury Systems is seeking a Principal Test Engineer to lead efforts in developing and executing server ... and secure software product lines + Design and implement robust test procedures that meet military standards (eg, MIL-STD-810, DO-461, DO-167, DO-178C, DO-254)… more
    Mercury Systems (01/07/26)
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  • Principal Test Systems Execution…

    RTX Corporation (Tucson, AZ)
    …more secure world. We have an exciting opportunity for a full-time position of ** Principal Test Systems Execution Lead Engineer ** located **onsite in Tucson, ... Systems Engineering or equivalent Engineering experience for both hardware and test software development, integration, verification, validation, and maintenance… more
    RTX Corporation (12/06/25)
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  • Test Solutions Senior Principal

    RTX Corporation (Tucson, AZ)
    Test Solution Effectors - AUR (All Up Round) Department seeks a Senior Principal Systems Engineer who can drive the interviewing, hiring and onboarding of ... tough, meaningful problems that create a safer, more secure world. The Test Solutions Effectors team within the Hardware Discipline Directorate within Raytheon… more
    RTX Corporation (11/05/25)
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  • Principal Software Engineer

    Kelly Services (Tucson, AZ)
    ** Principal Software Engineer ** **$104.43/hour** *100% onsite in Tucson, AZ* *REQUIRES ACTIVE SECRET SECURITY CLEARANCE FOR CONSIDERATION* Kelly Government ... Solutions is hiring for a principal software engineer on a...multiple software engineering tasks concurrently + Troubleshoot software and test equipment instrumentation + Work… more
    Kelly Services (01/07/26)
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  • Principal Electrical Engineer

    RTX Corporation (Tucson, AZ)
    …security clearance​ **Security Clearance:** DoD Clearance: Secret This position is for a Principal Electrical Engineer with at least 5 years of professional ... experience. If you enjoy working in hands-on multidiscipline teams, the Test Equipment Engineering Team Directorate is interested in hearing from you. This position… more
    RTX Corporation (12/18/25)
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  • Principal Engineer Embedded…

    Northrop Grumman (Mesa, AZ)
    …making history. Northrop Grumman Defense Systems is seeking a self‑motivated, proactive Principal Software Engineer to join the medium‑caliber Bushmaster ... engineer will be responsible for delivering high‑quality, innovative software that meets system requirements, coding standards, and technical design… more
    Northrop Grumman (12/18/25)
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  • Sr Principal Software

    Oracle (Phoenix, AZ)
    …exploring the next generation of AI accelerators and hardware solutions. As a Senior Principal software engineer , part of our growing team, you will ... driven GPU platform software & system development engineer at the Principal Engineer ...services infrastructure. + Solid working experience with GPU supplier test code as well as open-source AI test more
    Oracle (01/01/26)
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  • Senior Principal Test Systems…

    RTX Corporation (Tucson, AZ)
    …Systems Engineering or equivalent Engineering experience for both hardware and test software development, integration, verification, validation, and maintenance ... an exciting opportunity for a full-time position of **Senior** **P** **rincipal** ** Test Systems** **Execution Lead Engineer ** located **onsite** **in Tucson,… more
    RTX Corporation (12/18/25)
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  • Principal Embedded Real-time…

    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 ... create a safer, more secure world. The Software organization develops software applications, including integration and test on missiles, launchers, radars,… more
    RTX Corporation (12/24/25)
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  • Principal Systems Engineer - Deputy…

    RTX Corporation (Tucson, AZ)
    test related reviews (CTS, TRR & ESRB's) and with developing and executing test plans + Experience with hardware and software integration, preferably on ... problems that create a safer, more secure world. In Systems Engineering and Test Capabilities (SE&TC) we integrate, verify, and validate our products. We put our… more
    RTX Corporation (01/12/26)
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  • Principal Software Engineer

    Oracle (Phoenix, AZ)
    **Job Description** The Principal Software Engineer will play a key role in designing, developing, and enhancing Oracle Hospitality Cloud Service offerings ... build, test , and deployment pipelines. + Solid understanding of software development principles and design patterns. + Strong technical acumen; creativity;… more
    Oracle (12/22/25)
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  • Principal Software Quality…

    Oracle (Phoenix, AZ)
    …automated tests with CI/CD tools (eg, Jenkins, GitLab CI). + Solid understanding of software testing life cycle, test methodologies, and QA best practices. + ... ultra-high-performance, integrated compute and storage systems with sophisticated embedded software and advanced management services (ILOM, UEFI). Oracle Cloud… more
    Oracle (12/16/25)
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  • Principal Software Engineer

    Oracle (Phoenix, AZ)
    …strong focus on reasonable on-call and a good work/life balance. **Responsibilities** As a Principal Software Engineer on the Network Automation team, you ... growth while working on many new ambitious initiatives. An engineer at any level can have significant technical and...and monitoring tooling. + Automate and maintain build and test systems including systems for performance and scalability testing.… more
    Oracle (12/09/25)
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  • Senior Principal Software

    RTX Corporation (Tucson, AZ)
    …tests, production, and sustainment. This position is focused on the development, integration, test , and maintenance of software as a part of on-site factory ... + Communicating with senior management on project status + Troubleshooting software and test equipment + Develop requirements for software products +… more
    RTX Corporation (12/12/25)
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  • Principal Software Development…

    Oracle (Phoenix, AZ)
    software for tasks associated with the developing, designing and debugging of software applications or operating systems. The Principal Engineering role works ... **a remote position)** **Responsibilities** As a member of the software engineering division, you will take an active role...to UX Design Specs + Write Unit and Functional test code to test the UI code… more
    Oracle (11/25/25)
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