Senior Propulsion Engineer

Public U.S. defense and space technology company providing mission-critical propulsion, electronics, mission-management, spectrum-intelligence, and lunar-space systems.

Denver, United States
About Voyager Technologies, Inc.

Voyager Technologies operates across national security and space infrastructure, including propulsion and energetics, spacecraft guidance and communications, orbital and lunar systems, mission operations, and AI-enabled spectrum intelligence. Its enterprise includes lunar robotic-mobility capability through the July 2026 acquisition of Astrobotic.

View jobs by Voyager Technologies, Inc.

Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will develop propulsion systems for sub-orbital VTVL vehicles, from component sizing and design through fabrication and testing. You will build fluid-thermal models, conduct trade studies, create drawings and specifications, execute test plans, manage risks, and present technical results.

Requirements

  • Bachelor's degree in Mechanical or Aerospace Engineering
  • 6+ years of relevant rocket propulsion system development experience
  • Experience with cryogenic propellants
  • Experience designing and analyzing high-pressure fluid or pneumatic systems
  • Ability to develop conceptual designs, conduct trade studies, and select a design baseline
  • Must be a U.S. Person and eligible to obtain required export authorizations

Responsibilities

  • Support the design and testing of cryogenic rocket propulsion systems
  • Size combustion devices, valves, feed lines, turbomachinery, tanks, and pressurization systems
  • Design and analyze injectors, combustion chambers, nozzles, gas generators, and cooling channels
  • Build and run propulsion fluid-thermal models
  • Perform trade studies for design and operational decisions
  • Create hardware drawings and component specifications
  • Develop and execute component and system test plans
  • Participate in technical readiness and safety reviews
  • Perform risk assessments and mitigation planning
  • Write and present technical reports

Benefits

  • Relocation assistance for qualified candidates moving to Mojave, California
  • Flexible Time Off
  • Medical, dental, and vision coverage for employees and families
  • Flexible gym memberships and free on-demand workout videos
  • 401(k) plan with a 50% company match on contributions up to 8%
  • Wellness programs
  • Voluntary benefits and employee support resources