Rotordynamics and Control Engineer – Defense

Calnetix is an engineering and manufacturing company located in Southern California, committed to making a positive contribution to society and the environment by changing the way the world harvests and utilizes energy. We are focused on developing, manufacturing, and delivering advanced energy solutions for commercial applications throughout the world and for mission-critical applications for the United States Government and its Prime Contractors. Calnetix thrives on innovation and meeting new challenges. In partnership with OEMs, we utilize innovative, proprietary high-speed electric motor-generator technologies to develop next-generation, power-dense and energy-efficient products that reduce energy consumption, harmful emissions and enhance energy security.

Calnetix is looking for an entry-level rotordynamics and controls engineer to join the Magnetic Bearing Technology group with primary responsibilities to include rotor dynamics analysis/testing, controller tuning, data acquisition system setup and troubleshooting, prototype machine testing, software development/testing, and field support.  Special consideration will be given to those with a background in rotordynamics, vibrations, controls, electromagnetics, and/or mechatronics. The ideal candidate will possess leadership/teamwork skills, a positive attitude, and a willingness to listen to and learn from others. 

To apply, email resume to

Essential Duties and Responsibilities: 

  • Perform rotordynamic modeling with XLROTOR and Calnetix Matlab suite of rotordynamics and controls analysis tools.
  • Use Matlab to analyze the stability and performance of magnetic bearing control system loops, and to design compensators that ensure robust performance.
  • Conduct final tuning on the control algorithms based on transfer function measurement, sensor signal time history, and power spectrum – in the shop and in the field.
  • Participate in the design of new magnetic bearing systems for new applications/machines
  • Develop/Modify Labview-based magnetic bearing graphic user interface (GUI)
  • Develop and conduct training sessions with field service engineers, test engineers, and technicians
  • Interface with internal and external customers, as required, for field service/ applications/ product support

Desired Skills and Experience:

  • Masters or Ph.D. in ME or EE required
  • 0-3 years related experience in dynamics and/or controls required
  • Knowledge of dynamics or controls analysis, especially for rotating machinery (rotordynamics) required
  • Understanding of control algorithm design (frequency domain analysis) for closed-loop control systems a plus
  • Knowledge of data acquisition systems and instrumentation a plus
  • Familiarity with magnetic bearing controller hardware components (DSP controller, PWM amplifiers, and power supplies) is a plus
  • Understanding of magnetic bearing principles and applications a plus
  • Experience with machine-level magnetic bearing system testing and troubleshooting a plus
  • Knowledge of turbomachinery used in aerospace and/or defense industries is a plus

Intangibles Sought:

  • Positive attitude
  • Ability to multi-task
  • Willingness to listen to and learn from others

Supervisory Responsibilities:

None.  The position will interface with field service engineers, test engineers, and technicians during production training/troubleshooting activities. Strong teamwork/leadership skills are required.

Work Environment / Physical Demands:

  • Work split between office, on-site test lab, and field support activities. 
  • Must be willing to travel to support field support activities up to 10% of the time.
  • Ability to lift up 50 lbs

Salary Range:

$80,000.00 - $150,000.00 per year

Disclaimer - The above job description is not intended to be an all-inclusive list of duties and standards of the position.  Incumbents will follow any other instructions, and perform any other related duties, as assigned, by their supervisor.  Management reserves the right to change, rescind, add or delete the duties and responsibilities of positions within this job classification at any time. Being authorized to work in the U.S. is a precondition of employment. Calnetix will not sponsor applicants for immigration, including for H-1B, TN and other non-immigrant Visas, for this role.


Calnetix is an equal opportunity employer and prohibits discrimination based on race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, or veteran status. This policy applies to recruiting, hiring, transfers, promotions, terminations, compensation and benefits and also states that retaliation against any employee who files a complaint regarding possible violations of this policy will not be tolerated.