Sr. Avionics Engineer, Motor System Power Electronics

Blue Origin   •  

Kent, WA

Industry: Aerospace & Defense

  •  

5 - 7 years

Posted 37 days ago

Description:

As part of a small, passionate and accomplished team of experts, you will be responsible for designing, building and continuously improving the state-of-the-art power electronics that allows us to launch and land rockets better, faster, and cheaper. You will share in the team’s impact on all aspects of enabling everyone around you to go faster. Together, our team develops the flight hardware systems and tools that enable us to test and fly our vehicles. This position will directly impact the history of space exploration and will require your dedicated commitment and detailed attention toward safe and repeatable spaceflight.

Responsibilities:

  • Power switches and heat sinks selection and sizing: materials, current, voltage, power, thermal, frequency, radiation, losses
  • Gate drivers design and sizing: turn on/off time, rise/fall time, signal propagation delay, dead time, losses, protection, current sinking, and sourcing
  • DC/DC power supply selection, sizing, design: topologies, applications, efficiency, power quality
  • Snubber circuit design
  • Galvanic isolation design: magnetic, optical, capacitive, etc.
  • Capacitor filter bank and energy storage design with respect to power, energy, ripple, losses
  • Inrush current limiter and contactor selection, sizing, and design
  • Voltage source inverter and rectifiers design: 2 level and multilevel topologies, power quality
  • Chopper brake design
  • DC bus bar design: selection and sizing, manufacturing
  • EMI filters
  • PCB layout of the power section with respect to power integrity, EMI control techniques, thermal, and mechanical considerations

Qualifications:

  • Minimum of a B.S. degree in Electrical Engineering
  • 5+ years of experience in avionics power system design
  • Strong circuit analysis and simulation skills
  • Advanced understanding of semiconductor devices for power electronics
  • Motor controller design experience
  • Ability to work independently and as part of a team on rapid development programs
  • High-judgment individual with the ability to undertake large and complex technical projects
  • Good written, verbal, and interpersonal communication skills
  • Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.

Desired:

  • M.S. degree (or higher) in electrical engineering
  • Experience in safety critical system design
  • Experience in the effects of radiation on electronic systems

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