Lead Mechanical Design Engineer – High-Speed Rotors

Infosoft Inc.; Stanton (CA); On-site; USD 145,000 - 165,000; Full time

Job summary

Infosoft Inc. is seeking a Lead Mechanical Design Engineer to drive the development and production launch of high-speed rotating equipment in Stanton, CA.

You will lead mechanical architecture and key designs for turbomachinery, balancing rotor dynamics, seals, and thermal systems while coordinating with electrical, controls, and manufacturing teams. The role requires hands-on leadership, deep turbomachinery experience, and a track record of delivering robust, manufacturable components, with

Qualifications

• Bachelor's degree in Mechanical Engineering or closely related field; Master's preferred.
• 8+ years of relevant mechanical product-development experience involving turbomachinery or high-speed electromechanical products.
• Experience taking complex mechanical products through design, validation/testing, and production launch.
• Strong hands-on understanding of high-speed rotating machinery, rotor dynamics, vibration, bearings, seals, thermal management, and precision mechanical systems.
• Experience designing components such as rotors, shafts, impellers, housings, bearing systems, seals, cooling systems, and structural or pressure-containing components.
• Proficiency with SolidWorks or comparable 3D CAD software and engineering analysis tools.
• Experience with GD&T, tolerance analysis, DFM, DFMEA/FMEA, product qualification, validation, and root-cause analysis.
• Ability to integrate mechanical systems with electrical, controls, manufacturing, quality, and other disciplines.

Responsibilities

• Lead mechanical architecture and major design decisions for high-speed rotating machinery.
• Develop rotors, shafts, impellers, housings, bearing systems, seals, and cooling components.
• Evaluate rotor dynamics, vibration, thermal behavior, stresses, tolerances, and reliability factors.
• Manage mechanical interfaces between rotating equipment and other systems.
• Conduct trade studies and use test data to guide decisions.
• Lead design reviews and resolve issues during development and production builds.
• Apply GD&T and DFM to develop robust manufacturable components.
• Support DFMEA, product validation, and reliability activities.
• Investigate failures using root-cause analysis and corrective actions.
• Collaborate with manufacturing and suppliers to improve quality and scalability.
• Review and release 3D CAD models, drawings, BOMs, and documentation.
• Support balancing and high-speed rotor assembly activities.

Skills

High-speed machinery

Rotor dynamics

Vibration analysis

Bearings

Seals

Thermal management

GD&T

DFM

DFMEA

Root-cause analysis

Production launch

3D CAD

Education

Bachelor's in Mechanical Engineering

Master's degree preferred

Tools

SolidWorks

Job description

Infosoft Inc. is seeking a Lead Mechanical Design Engineer to drive the development and production launch of high-speed rotating equipment in Stanton, CA.

You will lead mechanical architecture and key designs for turbomachinery, balancing rotor dynamics, seals, and thermal systems while coordinating with electrical, controls, and manufacturing teams. The role requires hands-on leadership, deep turbomachinery experience, and a track record of delivering robust, manufacturable components, with