Senior In-Space Propulsion Systems Engineer

Gravitics, Inc; Marysville (OH); On-site; USD 135,000 - 160,000; Full time

Benefits offered by this job

Company equity

Medical insurance

401(k) retirement plan

Generous PTO

Employee discounts

Job summary

Gravitics in Marysville, WA, is seeking a seasoned propulsion engineer to lead the full lifecycle of an in-space propulsion system. You will own major fluid subsystems, drive design from concept through hardware integration, and collaborate with cross-functional teams to ensure mission success.

The role demands 5+ years of mechanical or aerospace experience, a relevant Bachelor's degree, and strong knowledge of propulsion/ fluid systems.

Qualifications

• 5+ years of experience in mechanical or aerospace engineering.
• Bachelor's degree in aerospace or mechanical engineering.
• Working knowledge of propulsion or fluid system components.
• Exposure to propulsion design, propellant management, or testing.
• Ability to understand structural, fluid, and thermal designs from first principles.
• Familiarity with CAD/FEA tools like NX/NASTRAN.

Responsibilities

• Design, build, and test propulsion fluid systems and feed systems.
• Own propulsion subsystem architecture from concept to hardware integration.
• Lead system-level trade studies on performance, weight, power, and cost.
• Plan propulsion integration and test campaigns across components and full vehicle.
• Generate and maintain docs: requirements, ICDs, test plans, fluid schematics.
• Coordinate with structures, thermal, avionics, and GNC teams.
• Support environmental qualification and testing (TVAC, vibration, leak tests).

Skills

Mechanical engineering

Aerospace engineering

Propulsion systems

Fluid handling

Propellant management

GD&T

Education

Bachelor's degree in aerospace or mechanical engineering

Tools

NX

NASTRAN

Job description

Gravitics in Marysville, WA, is seeking a seasoned propulsion engineer to lead the full lifecycle of an in-space propulsion system. You will own major fluid subsystems, drive design from concept through hardware integration, and collaborate with cross-functional teams to ensure mission success.

The role demands 5+ years of mechanical or aerospace experience, a relevant Bachelor's degree, and strong knowledge of propulsion/ fluid systems.