Mechanical Design Engineer II

About POWERTECH

POWERTECH is a center of excellence for propulsion technologies, specializing in the design, engineering, and manufacturing of combustion engines, expendable turbojet engines, and turbofan engines for aerospace, defense, and autonomous applications, including UAV platforms.

Job Summary

The Mechanical Engineer II is responsible for supporting the design, analysis, and development of gas turbine and turbojet/Turbofan engines. The role focuses on executing detailed mechanical design tasks, supporting analysis and testing, and contributing to product development under the guidance of senior engineers, while taking ownership of defined components or subassemblies.

Key Responsibilities

1. Mechanical Design

Design and develop turbomachinery components, including:

Shafts, spacers, and structural parts

Casings, brackets, and housings

Seals and secondary hardware

Create 3D CAD models and 2D engineering drawings

Apply GD&T and tolerance stack-up principles

2. Structural & Thermal Analysis Support

Perform high fidelity:

Stress and deformation analysis of engine components

Fatigue assessments (LCF/HCF with guidance)

Support thermal growth and clearance evaluations

3. Rotating Equipment Support

Assist in rotor assembly design and stack-up definition

Support bearing integration and housing design

4. Manufacturing Support

Apply Design for Manufacturability (DFM) principles

Interaction with manufacturing people

Define basic material selections and tolerances

5. Testing & Validation

Support engine build and rig testing activities

Assist in instrumentation definition

6. Documentation & Configuration

Prepare engineering drawings and documentation

Support design changes and configuration updates

7. Continuous Improvement

Support root cause analysis (RCA) for failures

Contribute to design improvements and lessons learned

Qualifications & Experience

Bachelor’s degree in Mechanical or Aerospace Engineering

4–7 years of experience in mechanical design (turbomachinery preferred)

Experience working in product development environments

Technical Skills

Good understanding of:

Mechanical design fundamentals

Stress and fatigue behavior

Basic rotating machinery concepts

Proficiency in:

CAD tools (CATIA, NX, or similar)

Basic FEA tools (ANSYS or similar)

Preferred Qualifications

Experience in gas turbines or turbojet engines

Exposure to:

Bearings and lubrication systems

Sealing and clearance control

Experience supporting testing or prototype builds

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