Senior Motor Controls & Inverter Design Engineer

Prattwhitney; Tucson (AZ); On-site; USD 108,000 - 205,000; Full time

Job summary

RTX in Tucson, AZ is seeking experienced Hardware Electrical Engineers to design and test power electronics for motor control, telemetry, and flight termination products. You will work on 3-phase inverters, high-voltage power stages, and mixed-signal circuits in a defense-oriented environment.

The role emphasizes hands-on circuit design, lab testing, and collaboration with small teams, with opportunities to lead as SME and contribute to system-level development and documentation.

Qualifications

• Requires a bachelor's degree in STEM and 8+ years of relevant experience, or an advanced STEM degree with 5+ years.
• Experience with motor types: Brushed, BLDC or PMSM is a plus.
• Experience with analog electronics design, including at least one of the following: FETs/BJTs, op-amp, high/low/band pass filters, clock/data termination, and comparator circuits.
• Experience working in a lab setting and/or using lab tools such as oscilloscopes, DMMs, frequency generators, power supplies and Data Acquisition Systems.
• Familiarity with wide bandgap devices (SiC, GaN) in power electronics designs.
• Design considerations for voltages > 400V and/or power > 10kW.
• Three-phase power systems, power factor control, and inverter/rectifier development.

Responsibilities

• Design, analyze, simulate, test, and document power conversion circuitry.
• Focus on 3-phase inverter design and sensor interfacing and controller circuits.
• Lead circuit card development through design phases from requirements to integration testing.
• Guide ECAD drafters and contribute to layer stackup.
• Lead small teams as SME on Controls Hardware Electronics.

Skills

Circuit design

Power electronics

Analog electronics

Lab testing

MATLAB

Education

B.S. in STEM

Advanced STEM degree

Tools

MATLAB

MathCAD

Mathematica

Job description

RTX in Tucson, AZ is seeking experienced Hardware Electrical Engineers to design and test power electronics for motor control, telemetry, and flight termination products. You will work on 3-phase inverters, high-voltage power stages, and mixed-signal circuits in a defense-oriented environment.

The role emphasizes hands-on circuit design, lab testing, and collaboration with small teams, with opportunities to lead as SME and contribute to system-level development and documentation.