Principal Electrical Engineer - Digital Power Design

RTN 2 (Raytheon IDMS)
Tucson, AZ 85701
About Us:
At Raytheon Missiles & Defense, you have the opportunity to try new things and make a bigger difference across a broader end-to-end solution, a richer technology and product set, an expanded range of disciplines, a growing global footprint and a more diverse team of colleagues and customers.

Job Summary:

The Low Voltage Power Products (LVPP) Department supports key Raytheon Missiles and Defense (RMD) products, by providing mission-critical designs relating to power conversion, motor controls, flight termination systems, telemetry, and other analog domains.

We are looking for mid to senior level engineers who have power electronics knowledge, including a digital power focus, to help design robust power systems for important national defense products.

Responsibilities to Anticipate:
  • Design, analyze, simulate, test, and document power conversion circuitry potentially utilizing any standard power conversion topologies (non-isolated and isolated) with the main emphasis on board mounted power end use applications.
  • Architect at the circuit card stack level.
  • See circuit card and stack development through its design phases, from requirements definition through initial integration testing.
  • Create advanced level digital power conversion designs, and help to create related best practices.
  • Create software control schemes relating to digital power conversion, and guide related software development. Begin to engage in related rodmapping activities.
  • Drive to meet schedule concerns. Define schedules for circuit, circuit card, and stack level tasking.
  • Guide ECAD drafters and junior engineers through layout and routing activities. Define layer stackup definitions. Drive decisions relating to creepage and clearance.
  • Lead medium sized teams to success with schedule, budget, and technical execution.
  • Engage in personal technical growth, and facilitate technical growth in peers and junior engineers. Help to understand what opportunities are needed to mature the organization on the technical front.
  • Clearly present work product of your team to functional and program leadership. Manage related risk discussions. Guide junior engineers on technical presentation skills.
Qualifications You Must Have:
  • Bachelors in Science, Technology, Engineering, or Mathematics (STEM)
  • 8+ years of related experience
  • Design, analysis, test, and simulation experience with linear converters, and familiarity with all of the following non-isolated converter topologies: buck, boost, buck-boost.
  • Experience using tools such as MATLAB, MathCAD, Mathematica, or other similar tools. This includes experience developing templates with these tools.
  • Experience utilizing and creating electrical design specifications.
  • Experience with designing at the circuit card stack level to meet concerns of adjacent disciplines, such as thermal, structural, mechanical, reliability, and quality.
  • Experience with Texas Instruments C-2000 family of microcontrollers, Microchip PIC controllers, VHDL, or real time operating systems. Ability to design Z-domain control systems without referring to the S-domain.
  • Experience with using CAN-bus, UART, and/or RS-422
  • The ability to obtain and maintain a U.S. security clearance. U.S. citizenship is required as only U.S. citizens are eligible for a security clearance.

Qualifications We Value:
  • Experience with professional transformer and inductor design, analysis, test, and simulation considerations in power electronics circuits.
  • Experience with EMI Filter design, analysis, test, and simulation considerations in power electronics circuits.
  • Design, analysis, and simulation experience with at least one, and conceptual familiarity (professional experience preferred) with all of the following isolated converter topologies: flyback, half-bridge, full-bridge, forward, push-pull, resonant.
  • A self-starter, a quick learner, be able to function in a dynamic environment, and have good time management skills. Should have professional experience leading small teams, and experience working with other team leads toward a larger goal.
  • Exposure to managing customer relationships.
  • Must have professional experience communicating and documenting technical topics at the small and large team level, and experience presenting to upper levels of management.
  • Conceptual familiarity and experience must include stability. Must have understanding of switching converter control techniques and modes such as voltage mode, peak and average current modes, their advantages and disadvantages.
  • An understanding of switching converter control techniques and modes such as voltage mode, peak and average current modes, their advantages and disadvantages.
  • Experience conducting trade studies relating to power electronics architecture at the circuit card stack level.
  • Experience guiding drafters through the ECAD process, including the layout and routing concerns specific to non-isolated and isolated power electronics
  • Moderate professional Experience with wide bandgap devices (SiC, GaN) in power electronics designs.
  • Moderate professional Experience with circuit simulator SIMPLIS, and/or system simulator SABER.
  • Moderate professional Experience with Mentor Graphics DxDesigner, and/or Hyperlynx.
  • Moderate professional Experience with acting as a liaison between program and functional management in a cross-matrixed organization.
  • Moderate professional Experience with military specifications.
  • Moderate professional Experience with design considerations for voltages > 400V and/or power > 10kW.
  • Moderate professional Experience with three-phase power systems, power factor control, and inverter/rectifier development.
  • Moderate professional Experience with motor control development.
  • Moderate professional Experience with program management tools such as Earned Value.
  • Moderate professional Experience with proposal development.

What We Offer:

Whether youre just starting out on your career journey or are an experienced professional, we offer a robust total rewards package that goes above and beyond with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. Some of the superior benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care.

Additional Details:

This position is located in beautiful Tucson, AZ. Tucson has a friendly, caring and laid-back atmosphere, combined with the innovation and energy of a metropolitan region and recognized as one of Americas 10 Best Small Cities. Surrounded by beautiful mountains, colorful Sonoran Desert landscape and majestic saguaro cacti, Tucson is blessed with some of natures best work. Tucson is known for its bright blue skies, and with more than 310 sunny days per year, Tucsons fantastic weather lets residents enjoy the outdoors year-round.
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Principal Electrical Engineer - Digital Power Design

RTN 2 (Raytheon IDMS)
Tucson, AZ 85701

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