• 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 test efforts in developing and executing ... servers 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,… more
    Mercury Systems (11/04/25)
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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...Engineers, ET Support Engineers, and internal engineering customers. The Test Engineer will work within the IP… more
    RTX Corporation (11/21/25)
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  • Senior Principal Test Systems…

    RTX Corporation (Tucson, AZ)
    …problems that create a safer, more secure world. This position is for a Senior Principal Test Systems Engineer with at least 10 years of professional ... experience and an advanced STEM degree. As a Senior Principal Systems Engineer , you are accountable for...technical competency in test & evaluation, the Test Systems Engineer will have proven leadership… 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 Aeronautical Engineer for the Strike Program, requiring ... Summary** Northrop Grumman Space Systems is searching for a ** Principal Aeronautical 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 (10/28/25)
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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:** + ... Grumman Aeronautics Systems has an opening for a **Air Vehicle System Test Engineer - Engineering Field Service Representative** (FSR) to join our team of… more
    Northrop Grumman (11/16/25)
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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 . This position will provide for an experience in a lab environment to work with weapon test system… more
    Butler America (11/11/25)
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  • Integration and Test Sr. Principal

    Northrop Grumman (Chandler, AZ)
    …on-site in Chandler. **Job Responsibilities** The candidate will serve as an Integration and Test Senior Principal Electrical Engineer for the GPI program, ... Northrop Grumman Space Systems is searching for a **Sr. 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 (11/23/25)
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  • Effector Power - Principal Test

    RTX Corporation (Tucson, AZ)
    …Power and Analog Design (EPAD) Team is looking for an Electrical Engineer with education and experience in performing circuit card testing and troubleshooting ... to the component level utilizing schematics and test equipment. **What You Will Do** The Effector Power...apply the theory of operation for the unit under test to enable determination of faulty product for design,… more
    RTX Corporation (11/19/25)
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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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  • Senior Principal Electrical Engineer

    RTX Corporation (Tucson, AZ)
    …The Effectors Directorate is a multi-discipline organization responsible for developing test solutions for all Raytheon products. Our engineers are responsible for ... all elements of the development lifecycle for test . We are hands-on, designing with the latest technology...technology and tools, and integrate state of the art test solutions with the most advanced engineering systems in… more
    RTX Corporation (09/18/25)
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  • Senior Principal Test Systems…

    RTX Corporation (Tucson, AZ)
    …an exciting opportunity for a full-time position of **Senior** **P** **rincipal** ** Test Systems** **Execution Lead Engineer ** located **onsite** **in Tucson, ... for a security clearance **Security Clearance:** DoD Clearance: Secret The Test Equipment Engineering (TEE) organization within RTX drives business success by… more
    RTX Corporation (09/18/25)
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  • Principal Software Engineer

    RTX Corporation (Tucson, AZ)
    …big picture. **This position is 100% on site in Tucson, Arizona** The Test Equipment Engineering (TEE) team within the Specialty Engineering Directorate is a ... handle multiple software engineering tasks concurrently + Troubleshoot software and test equipment instrumentation + Work in a multidiscipline engineering team… more
    RTX Corporation (11/07/25)
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  • Principal Engineer , Systems…

    RTX Corporation (Tucson, AZ)
    …that create a safer, more secure world. The SE&TC organization is searching for a Principal Systems Integration and Test Engineer with passion for autonomous ... vehicle system integration, and test . The Principal Systems Integration and Test Engineer works within the Land and Air Defense Strategic Business Unit… more
    RTX Corporation (09/04/25)
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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...to join our team within the Systems Engineering and Test Capabilities (SETC) Discipline, supporting a range of effectors… more
    RTX Corporation (10/29/25)
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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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  • Test Systems Technical Lead Engineer

    Belcan (Tucson, AZ)
    …more secure world. We have an exciting opportunity for a full-time position of Principal Test Systems Technical Lead Engineer . This position will provide ... Test Systems Technical Lead Engineer - CLEARANCE REQUIRED Job Number: 361168 Category: Systems Engineering Description: Job Title: Test Systems Technical Lead… more
    Belcan (11/11/25)
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  • Principal Reliability Engineer

    RTX Corporation (Tucson, AZ)
    …developing reliability requirements, analyses, and test methodology. The Senior Principal Reliability Engineer will be expected to have deep knowledge ... engineering disciplines: Reliability, System Safety and Supportability. The Senior Principal Reliability Engineer will develop and implement Reliability… more
    RTX Corporation (10/24/25)
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  • Sr. Principal Systems Engineer

    Northrop Grumman (Chandler, AZ)
    …history. Northrop Grumman Space Systems is seeking a Sr. Principal Systems Engineer to support the Test & Evaluation (T&E) Integrated Product Team (IPT) ... The T&E IPT has whole landscape ownership of program test campaign through Initial Operational Capability (IOC). T&E IPT...T&E IPT is accountable to ensure ground and flight test hardware is ready for test execution… more
    Northrop Grumman (11/21/25)
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  • Principal -level 3 /Sr. Principal

    Northrop Grumman (Chandler, AZ)
    …Space Systems is searching for a Principal or Sr. Principal Engineer to perform integration and test engineer responsibilities for Launch Vehicles, ... Job Responsibilities The candidate will serve as an I&T Principal or Senior Principal Lead Engineer...systems level . Developing/maintaining procedures for the assembly and test of launch vehicle systems . Developing concept of… more
    Northrop Grumman (10/28/25)
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  • Principal OR Senior Principal Field…

    Northrop Grumman (Young, AZ)
    …Grumman Aeronautics Systems is looking to add a ** Principal OR Senior Principal Field Service Engineer - Network and Communications** to join our team ... of communications and data link systems in military flight test environment, including operations on a flightline, in a...location. _This position can be filled at either the Principal Field Service Engineer - Network and… more
    Northrop Grumman (09/17/25)
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