Rotordynamics and Control Engineer - Active Magnetic Bearings

Sapphire Technologies group; Cypress (CA); On-site; USD 110,000 - 160,000; Full time

Job summary

Sapphire Technologies in Cypress, California, seeks a Rotordynamics and Control Engineer to join the Magnetic Bearing Technology group. Duties include rotor dynamics analysis, controller tuning, data acquisition, and field testing.

Travel up to 10% for field support and training, with collaboration across engineering teams. Preferred candidates hold a Master’s or PhD in ME or EE, plus 3+ years’ experience in dynamics or controls, and familiarity with rotary machinery and magnetic bearing

Qualifications

• Master's or PhD in ME or EE required.
• Minimum of 3 years related experience in dynamics and/or controls required.
• Knowledge of rotordynamics and controls analysis for rotating machinery is required.
• Understanding of control algorithm design for closed-loop systems is a plus.
• Knowledge of data acquisition systems and instrumentation is a plus.
• Familiarity with magnetic bearing controller hardware components is a plus.
• Understanding of magnetic bearing principles and applications is a plus.
• Experience with machine-level magnetic bearing system testing and troubleshooting is a plus.

Responsibilities

• Perform rotordynamic modelling using XLROTOR and Matlab rotordynamics tools.
• Use Matlab to analyze stability and performance of magnetic bearing control loops and design compensators.
• Conduct final tuning on control algorithms based on measurements and time-history data.
• Assist in the design of new magnetic bearing systems for new applications.
• Develop or modify LabVIEW-based GUI for magnetic bearing control systems.
• Develop and conduct training sessions with field service, test engineers, and technicians.
• Interface with customers for field service, applications, and product support.

Skills

Rotordynamics

Controls engineering

Data analysis

Field testing

MATLAB

Education

Master's or PhD in ME or EE

Tools

XLROTOR

LabVIEW

Job description

Rotordynamics and Control Engineer - Active Magnetic Bearings

Cypress, United States | Posted on 06/01/2026

• Compensation Salary is commensurate with level of experience.
• Industry Manufacturing
• City Cypress
• State/Province California
• Country United States
• Job Type Engineering

Job Description

Position Overview

Sapphire is looking for a rotordynamics and controls engineer to join the Magnetic Bearing Technology group with primary responsibilities including rotor dynamics analysis/testing, controller tuning, data acquisition system setup and troubleshooting, prototype machine testing, software development/testing, and field support.

Requirements

Key Responsibilities

To perform this job successfully, an individual must be able to perform the following satisfactorily; other duties may be assigned.

• Perform rotordynamic modelling in tools such as XLROTOR and Matlab suite of rotordynamics and controls analysis tools.
• Use Matlab to analyze stability and performance of magnetic bearing control system loops, and to design compensators that ensure robust performance.
  
• Conduct final tuning on control algorithms based on transfer function measurement, sensor signal time history, and power spectrum in the shop and in the field.
  
• Participate in design of new magnetic bearing systems for new applications/machines.
  
• Develop or 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, and product support.
  

Qualifications

The requirements listed below are representative of the knowledge, skill and ability required.

• Masters or PhD in ME or EE required.
• Minimum of 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 for closed-loop control systems a plus.
  
• Knowledge of data acquisition systems and instrumentation a plus.
  
• Familiarity with magnetic bearing controller hardware components a plus.
  
• Understanding of magnetic bearing principles and applications a plus.
  
• Experience with machine-level magnetic bearing system testing and troubleshooting a plus.
  

Intangibles Sought

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

Supervisory Responsibilities

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

Physical Demands

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

We offer a competitive benefits package designed to support thehealth, well-being, and financial security of our employees. Eligibleteam members receive paid vacation, paid sick time, comprehensivehealth benefits, and participation in a 401(k) retirement plan withcompany match. This role is based in a fast-paced manufacturingenvironment where teamwork, reliability, safety, and attention todetail is essential to success.

The above job description is not intended to be an all-inclusivelist of duties and standards of the position. Incumbents will followany other instructions, and perform any other related duties, asassigned, by their supervisor. Management reserves the right tochange, rescind, add or delete the duties and responsibilities ofpositions within this job classification at any time.

Sapphire Technologies is an equal opportunity employer andprohibits discrimination based on race, color, religion, nationalorigin, gender, sexual orientation, gender identity, age, physical ormental disability, or veteran status. This policy applies torecruiting, hiring, transfers, promotions, terminations, compensationand benefits and also states that retaliation against any employee whofiles a complaint regarding possible violations of this policy willnot be tolerated.