Senior TCA Mechanical Design Engineer - Space Propulsion

Cowboy Space Corporation; Seattle (WA); On-site; USD 185,000 - 210,000; Full time

Benefits offered by this job

Equity in Cowboy Space Corp.

Medical, dental, and vision insurance

401(k) retirement savings plan

Paid time off

10 paid holidays per calendar year

Paid parental leave

Relocation assistance if applicable

Daily lunch in the office and a fully

Job summary

Cowboy Space Corp. in Seattle, WA is seeking a Senior TCA Mechanical Design Engineer with deep expertise in manufacturing processes to support rocket engine injector, combustion chamber, and nozzle development.

You will lead end-to-end hardware lifecycle from requirements through flight qualification, onsite in the Seattle area. The role blends advanced mechanical design with hands-on fabrication, applying additive manufacturing, precision CNC, EDM, and specialized joining methods.

Qualifications

• Bachelor's degree in Mechanical, Manufacturing, or Aerospace Engineering.
• Strong mechanical design proficiency with DFM/DFA emphasis.
• Hands-on experience with CNC machining, welding/brazing, or additive manufacturing.

Responsibilities

• Own end-to-end TCA hardware lifecycle from requirements through manufacturing to flight qualification
• Lead mechanical design optimized for manufacturability, applying physics-based analysis
• Implement advanced manufacturing techniques: additive manufacturing, precision CNC machining, EDM, and specialized joining (e.g. laser welding, vacuum brazing, diffusion bonding)
• Design tooling, fixtures, and work-holding solutions for rapid development and repeatable production
• Develop and qualify manufacturing process parameters for novel materials and geometries
• Plan and execute hotfire test campaigns, analyze results, and lead rapid redesign efforts balancing performance with manufacturing constraints

Skills

DFM/DFA design

Thermodynamics basics

Fluid dynamics

Structural mechanics

Education

Bachelor's degree in Mechanical, Manufacturing, or Aerospace Engineering

Tools

CNC machining

Welding

Brazing

Additive manufacturing

EDM

Job description

Cowboy Space Corp. in Seattle, WA is seeking a Senior TCA Mechanical Design Engineer with deep expertise in manufacturing processes to support rocket engine injector, combustion chamber, and nozzle development.

You will lead end-to-end hardware lifecycle from requirements through flight qualification, onsite in the Seattle area. The role blends advanced mechanical design with hands-on fabrication, applying additive manufacturing, precision CNC, EDM, and specialized joining methods.