CareerPlan

Principal Propulsion Engineer (R6453)

Seattle, WashingtonFull-time2026-10-24 → 2026-11-11
U.S. persons only (export control)Security clearance required

Core

Design propulsion components and subsystems for aircraft from concept through production release, ensuring manufacturability and cost-effectiveness.

Role type

Principal Propulsion Engineer (Mechanical/Aerospace)

Builds

Propulsion hardware components and subsystems for aircraft

Domain

Defense technology / Aerospace propulsion

Required skills

Mechanical design, CAD modeling (Siemens NX), GD&T, Design for Manufacturing (DFM), Configuration Management (PLM), Engineering Analysis (FEA, hand calcs), Cross-functional collaboration

Preferred skills

GFSSP, REFPROP, ANSYS, Python scripting, Tolerance stack-up analysis, High-temperature materials, Internal combustion/turbine/rocket propulsion design

Technologies

Siemens NX, Teamcenter, ANSYS, GFSSP, REFPROP

Responsibilities

Own design of propulsion components from concept to production, Develop and maintain high-quality CAD models and drawings, Write and enforce propulsion design standards, Collaborate with machine shop and production teams, Develop assembly work instructions, Apply engineering analysis for sizing and validation, Support configuration management and BOM control

Seniority

Principal, hands-on IC