• Principal Mechanical Engineer

    RTX Corporation (Tucson, AZ)
    …is seeking an experienced Principal Structural Engineer to join the Mechanical Analysis and Test Department. In this role, you will be responsible for ... problems that create a safer, more secure world. The Mechanical Analysis and Test (MA&T) Department is...tools) and lead teams to meet program milestones **The Principal Mechanical Engineer -Structural Engineer more
    RTX Corporation (12/09/25)
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  • Principal Mechanical Engineer

    RTX Corporation (Tucson, AZ)
    …secure world. The Shipboard Effectors Department is currently searching for an experienced Principal Mechanical Engineer to support Standard Missile products ... and subsystems. This Principal Mechanical Engineering position performs in alignment to expectations in the design, development and production support areas… more
    RTX Corporation (12/29/25)
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  • Senior Principal Data Center…

    Oracle (Phoenix, AZ)
    **Job Description** As a Senior Principal Data Center Engineer , you will focus on OCI data center mechanical infrastructure. A mix of technical breadth and ... depth is required to work cross-functionally with different disciplines ( Mechanical , Electrical, Thermal, and Software) to develop thermal solution optimized for the… more
    Oracle (11/25/25)
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  • Senior Principal Mechanical

    RTX Corporation (Tucson, AZ)
    …seeking an experienced Senior Principal Structural Engineer to join the Mechanical Analysis and Test Department. In this role, you will be responsible ... that create a safer, more secure world. **Job Summary** The Mechanical Analysis and Test (MA&T) Department is responsible for ensuring structural and thermal… more
    RTX Corporation (12/16/25)
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  • Senior Principal RF Mechanical

    RTX Corporation (Tucson, AZ)
    …and/or RF test chambers + Master of Science (MS) in mechanical engineering or electrical engineering + Experience serving as a Responsible Engineering Authority ... RF Products Team at Raytheon is seeking a talented Engineer to join our team in Tucson, AZ. The...of antennas, RF Circuit Card Assemblies, radomes, and RF test equipment. The selected candidate will be expected to… more
    RTX Corporation (10/29/25)
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  • Principal Mechanical Engineer

    RTX Corporation (Tucson, AZ)
    …group in the Shipboard Effectors Department is currently searching for an experienced Mechanical Design Engineer to work on a multi-discipline team to support ... in Tucson, AZ. **What You Will Do:** + Utilizing strong mechanical hardware design experience and knowledge with ruggedized structures, interconnects, cooling,… more
    RTX Corporation (12/29/25)
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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...Prefer** + Preferred engineering majors include Electrical, Aerospace, or Mechanical . + Experience working with commercial environmental test more
    RTX Corporation (11/21/25)
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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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  • Senior Principal RF Mechanical

    RTX Corporation (Tucson, AZ)
    …Effector RF Design Team at Raytheon is seeking a talented and experienced **Senior Principal Engineer ** to join our innovative and collaborative team in Tucson, ... technical liaison to material and manufacturing suppliers, as well as test facilities, ensuring clear and effective communication and collaboration. + Communicate… more
    RTX Corporation (10/21/25)
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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 ... 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 (12/12/25)
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