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Powertrain Systems Engineer in Irvine, CA at Karma Automotive

Date Posted: 3/13/2018

Job Snapshot

Job Description

Karma Automotive is passionate, responsible and uncompromising.

We make beautiful, ecologically sensitive products, and we will provide a memorable ownership experience for our customers.

Our work environment is casual, and our culture is results-oriented.

The Powertrain System Validation Engineer is responsible for designing system level testing setup, executing validation items and analyzing validation results. This engineer will also be responsible for troubleshooting PT issues in engineering and production vehicle fleets to determine root cause.


  • Verify powertrain electrical and control system function/performance meets specifications
  • Design powertrain system level testing setup and test cases according to system/subsystem requirements.
  • Execute powertrain system testing cases, analyze testing results and create reports.
  • Based on validation result, recommend changes or improvements to hardware, software or calibration
  • Work with hybrid controls team, powertrain electrical team, powertrain mechanical team and electrical systems team to ensure powertrain system operates as intended
  • Create and manage test cases in Polarion
  • First point of contact for powertrain issues on the fleet
  • Quickly diagnose vehicle issues and work with other teams to determine root cause and develop solution


General Requirements for consideration:

Should be able to demonstrate a background knowledge and functional competence in the following areas:

  • Hybrid Powertrain subsystems
    • Transmissions, gears and driveline operation
    • Electric motors / generators. (AC Machines)
    • Power Electronics – Inverters, High Voltage Subsystems
    • Battery Packs (Lithium battery technology)
  • Powertrain Interface.
    • Control algorithms and control system development and integration
    • Powertrain calibration
    • Powertrain NVH
    • Electrical systems and EMC
    • Diagnostics & OBD II

Required Qualifications:

  • Undergraduate bachelor’s degree in Mechanical or Electrical Engineering
  • Excellent oral and written communication skills
  • 5 years of demonstrated progressive responsibility and hands on experience with hybrid powertrain systems
  • Broad hybrid powertrain experience


Preferred Qualifications (In addition to required):

  • Masters / PhD of Mechanical or Electrical Engineering degree (or equivalent)
  • Hybrid Powertrain development with a major OEM on production intent development programs
  • Detailed knowledge of Power Electronics Inverter, DC-DC Converters, Chargers
  • Detailed understanding of energy storage subsystems and controls

Karma Automotive LLC is an equal employment opportunity employer.  We do not discriminate on the basis of gender, color, race, sexual orientation, marital status, pregnancy, national origin, age, religion, veteran status, genetic information, citizenship status or any other group protected by law.  Karma Automotive LLC complies with the Americans with Disabilities Act to ensure equal access to all qualified individuals with a disability.  Valid driver’s license may be required based on essential duties.