Principal Motor Controls Engineer

Date Posted: 2026-07-01Country: United States of AmericaLocation: US-AZ-TUCSON-M02 ~ 1151 E Hermans Rd ~ BLDG M02Position Role Type: OnsiteU.S. Citizen, U.S. Person, or Immigration Status Requirements: Ability to obtain and maintain a U.S. government issued security clearance; U.S. citizenship required.Security Clearance Type: DoD Clearance: SecretSecurity Clearance Status: Active and existing security clearance required after day 1What You Will DoDesign, analyze, simulate, test, and document power conversion (and related analog) circuitry. This circuitry will dominantly involve 3 phase inverter design, sensor interfacing and controller circuits. Main emphasis is on board-mounted power end use applications. Hands on drafting & designing at a circuit card level.Help to see circuit card development through its design phases, from requirements definition through initial integration testing.Drive to meet schedule concerns. Define schedules for circuit level tasking.Guide ECAD drafters through layout and routing activities, with moderate support from senior engineers. Assist in layer stackup definition.Lead small teams & participate as a SME (Subject Matter Expert) on Controls Hardware Electronics.Qualifications You Must HaveRequires a degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of relevant experience; or Advanced degree in STEM and a minimum of 5 years of relevant experience.Design, analysis, test, and/or simulation experience with one or more of the following motor types is a plus: Brushed, BLDC or PMSM.Experience using tools such as MATLAB, MathCAD, Mathematica, or other similar tools.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 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.Qualifications We PreferAn advanced degree in Electrical EngineeringA self-starter, a quick learner, and have good time management skills. Should have an appreciation for how successful teams are structured.Experience communicating and documenting technical topics at the small team level.Experience in any one of the following:Simulators such as SIMPLIS or SABER, or Mentor Graphics DxDesigner, and/or Hyperlynx.Multi-level three phase Inverter Design for HV applications.Multi-isolated power systems design and component selection.Hardware in the loop testing setup and design experience.Military specifications.Program management tools such as Earned Value.What We OfferOur values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.Work Schedule: 9/80 schedule (every other Friday off).Relocation Eligibility: This position is eligible for relocation.Salary Range: $107,500 USD – $204,500 USD.Benefits may include medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits depend on the specific business unit and whether the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent on various factors including individual performance.RTX anticipates the application window closing approximately 40 days from the date the notice was posted, though this may be shortened or extended based on business needs.RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified individuals with a disability and protected veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act.#J-18808-Ljbffr