Senior Valves & Actuators Engineer – Spaceflight Hardware

EVONA; Seattle (WA); On-site; USD 120,000 - 180,000; Full time

Job summary

EVONA is seeking a Senior Components Engineer to own valves and actuators for rocket engine systems, from concept through qualification. This hands-on role involves working across design, manufacturing, and testing to deliver high-performance hardware.

You will perform structural and fluid analyses, collaborate with propulsion and controls teams, and drive rapid iterations in a hardware-rich environment to enable high-rate production for next-gen launch vehicles.

Qualifications

• 5+ years of experience developing valves, actuators or closely related fluid-control hardware.
• Strong mechanical engineering fundamentals, particularly fluid mechanics, thermodynamics, structures and control systems.
• Practical experience designing, assembling and testing real hardware.
• Familiarity with high-pressure or cryogenic fluid systems, sealing, instrumentation and precision mechanical components.
• Strong CAD skills, ideally Siemens NX, alongside experience with FEA or fluid analysis tools.

Responsibilities

• Design and develop valves and actuators for rocket engines and launch vehicle fluid systems.
• Own components from initial requirements and CAD design through manufacturing, testing and qualification.
• Perform structural and fluid analysis using hand calculations, FEA and CFD.
• Work closely with manufacturing teams, getting hands-on with hardware builds, troubleshooting and design improvements.
• Develop and execute component test plans, including development, acceptance and qualification testing.
• Collaborate with propulsion, fluids and controls engineers to solve complex system-level challenges.
• Help develop reliable, manufacturable components suitable for high-rate production.

Skills

Fluid mechanics

Thermodynamics

Structural analysis

Control systems

Mechanical design

Education

Bachelors in Mechanical or Aerospace Engineering

Tools

Siemens NX

FEA

CFD

Job description

EVONA is seeking a Senior Components Engineer to own valves and actuators for rocket engine systems, from concept through qualification. This hands-on role involves working across design, manufacturing, and testing to deliver high-performance hardware.

You will perform structural and fluid analyses, collaborate with propulsion and controls teams, and drive rapid iterations in a hardware-rich environment to enable high-rate production for next-gen launch vehicles.