• 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 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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  • Principal Test Engineer

    Mercury Systems (Phoenix, AZ)
    Req. Number 25-504 Job Description Mercury Systems is seeking a Principal Test Engineer to lead efforts in developing and executing server system tests for ... 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 (12/12/25)
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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 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 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 (11/12/25)
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  • Integration and Test Principal

    Northrop Grumman (Chandler, AZ)
    …in Chandler. **Job Responsibilities** The candidate will serve as an Integration and Test Principal Electrical Engineer for the GPI program, requiring ... Summary** Northrop Grumman Space Systems is searching for a ** Principal Electrical Engineer ** to be part of...Engineer ** to be part of our Integration and Test team in Launch Vehicles, at our Chandler, AZ… more
    Northrop Grumman (12/10/25)
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  • Principal Software Engineer

    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 (11/25/25)
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