Sr. Motor Control Engineer

2 months ago

Santa Ana, United States Overair, Inc. Full time
Job DescriptionJob Description

Company Overview:

At Overair, we are dedicated to bringing next generation sustainable air transportation to everyone. Our answer is Butterfly, an all-electric vertical takeoff and landing (VTOL) aircraft designed to safely and affordably carry passengers over traffic and congestion. Butterfly leverages over two decades of VTOL aircraft development, patented VTOL technology, and flight vehicle experience.

Overair believes in the lofty goals of sustainable air mobility and we are committed to solving the hard challenges along the way. We are building an industry leading team covering an expanse of skills, talents, and expertise in order to build a superior electric VTOL aircraft. If you enjoy solving difficult problems, and seeing your ideas and visions expressed in flight hardware, we want you on our team.

Job Overview:

Overair is looking for a Sr. Motor Control Engineer to take ownership of design and implementation of motor control algorithms and embedded software for advanced motor controllers. These families of motor controllers will be applied on various aircraft systems, including propulsion and flight control actuation. This is an exciting opportunity to contribute to in-house development of motor drives and controllers. The overall objective is to make high quality technical contributions and meet program timelines for individual projects in a fast-paced environment.

Roles and Responsibilities:

  • Closed loop position control of permanent magnet motors; including redundant architectures and multi-phase motors controlled from servo drives.
  • Traditional and sensor-less control of permanent magnet propulsion motors; including inverter modulation techniques, current control, trajectory control, fault detection, and efficiency optimization.
  • Optimization of motor controls algorithm using MATLAB and PLECS.
  • Testing and integration with actuator test rig.
  • Dynamometer testing and interpretation of data for controls development, validation and improvement.
  • Develop motor controller firmware architecture.
  • Board bring-up of next-generation motor controllers.
  • Write interface code for sensors and digital communication.
  • Develop prototypes to prove out key design concepts and quantify technical constraints.
  • Write high quality structured bare metal software for embedded processors (e.g. ARM, PowerPC, x86).
  • Design embedded software to meet requirements including verification and traceability.
  • Work with power electronics, motor design, and electromechanical engineers to develop motor control systems.

Required Qualifications:

  • Fast and agile learner who is able to work hands-on in an exciting startup environment.
  • Ability to work on-site at Santa Ana location.
  • BS/MS in Electrical or Computer Engineering with 5+ years of experience in Motor Control or related fields.
  • Familiar with microcontroller architectures and communication protocols.
  • Prior Experience with development of automotive/robotics/industrial motor drives.
  • Working knowledge of power electronic converters and inverters.

Desired Qualifications

  • PhD in Electrical Engineering with a concentration on Motor controls/Power Electronic controls.
  • Understanding of principles of PM motor design.

Diversity and Inclusion:

Overair believes that diversity and inclusion are vital to our success. We believe that by embracing different ideas and approaches, we enhance our ability to deliver the best results for our employees, our environment, and ultimately our business partners and customers. We foster a culture where all colleagues are able to share their passions and ideas in order that we may collectively embrace and overcome the challenges in our industry, and work toward a brighter future.

Overair is an Equal Opportunity / Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, age, or any other federally protected class.

Summary of Benefits:

  • Medical – Company provides no-cost medical coverage for employee and all dependents.
  • Dental & vision – Company pays for 80% of dental and vision coverage for employee and 50% for each dependent.
  • Flexible spending account (FSA) – Up to $1,000 company match
  • 401(k) plan – Employees are eligible on first day of work, 6% Company-match, no vesting period
  • 12-weeks of supplemental paid family leave
  • Employee incentive program (stock options)
  • Company-paid life insurance plan
  • Paid time off:
    • Vacation: 4 weeks/year
    • Holiday: 10 days/year
    • Sick Time: 48 hours/year
    • Volunteer time: 8 hours/quarter

Overair expects to pay: $100,000 - $150,000 per year. Your level and the compensation package offered will be determined by location, job-related knowledge, skills, and experience.

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