Senior Cryogenic Propulsion Engineer

Voyager Technologies; Mojave (CA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Medical, dental, vision

401(k) match

Wellness program

Flexible time off

Job summary

Voyager Technologies in Mojave, CA, is seeking a propulsion systems engineer to advance development of propulsion for sub‑orbital vehicles. You will size components, design combustion devices, and run fluid‑thermal models as part of a joint propulsion team with the Pittsburgh office.

The role requires a B.S. in Mechanical or Aerospace Engineering and 6+ years in rocket propulsion, with experience in cryogenic propellants and high‑pressure systems. A hands‑on, collaborative contributor is valued.

Qualifications

• B.S. in Mechanical or Aerospace Engineering.
• 6+ years in rocket propulsion system development.
• Cryogenic propellants experience (methane/LOX preferred).
• High‑pressure fluid/pneumatic systems design and analysis.
• Conceptual design development and trade studies.

Responsibilities

• Support design and test of rocket propulsion systems using cryogenic propellants.
• Size propulsion components: valves, feed lines, turbomachinery, tanks.
• Design and analyze combustion devices: injectors, chambers, nozzles.
• Build/run propulsion system fluid‑thermal models to predict behavior.
• Perform trade studies to guide design decisions.
• Lead creation of hardware drawings for manufacturing.
• Create component specifications for vendors and procurement.
• Develop test plans, execute tests, and post‑process results.
• Contribute to safety reviews and readiness for testing.
• Conduct risk assessment and write technical reports.

Skills

B.S. Mechanical/Aerospace Eng

Propulsion experience

Cryogenic propellants

High‑pressure fluid systems

Trade studies & design down‑select

Education

B.S. Mechanical or Aerospace Eng

M.S. Mechanical or Aerospace Eng

Tools

ANSYS Fluent/CFX

SolidWorks

GFSSP/RTE/RPA

Amesim/Thermal Desktop

Job description

Voyager Technologies in Mojave, CA, is seeking a propulsion systems engineer to advance development of propulsion for sub‑orbital vehicles. You will size components, design combustion devices, and run fluid‑thermal models as part of a joint propulsion team with the Pittsburgh office.

The role requires a B.S. in Mechanical or Aerospace Engineering and 6+ years in rocket propulsion, with experience in cryogenic propellants and high‑pressure systems. A hands‑on, collaborative contributor is valued.