Senior Space Propulsion Engineer — Equity & PTO

Gravitics Inc; Denver (CO); On-site; USD 135,000 - 160,000; Full time

Benefits offered by this job

Equity

Medical insurance

401(k) retirement plan

Generous PTO

Employee discounts

Job summary

Gravitics is seeking a propulsion engineer to drive the full lifecycle of an in-space propulsion system, owning major fluid subsystems from concept through hardware integration and testing.

You will lead design, analysis, and testing activities, work with structures, thermal, avionics, and GNC teams, and contribute to qualification testing and documentation. This role emphasizes ownership and rapid iteration in a high-performance space environment.

Qualifications

• 5+ years of experience in mechanical or aerospace engineering.
• Bachelor’s degree in aerospace engineering, Mechanical Engineering, or a related field.
• Working knowledge of propulsion or fluid system components (feed systems, pressurization, valves, regulators, etc.).
• Exposure to propulsion system design, propellant management, fluid handling, hardware assembly, integration, and testing.
• Ability to understand structural, fluid, and thermal designs from first principles.

Responsibilities

• Design, build, and test propulsion fluid systems including feed systems, tank pressurization, and propellant management.
• Own propulsion subsystem architecture elements from concept to hardware integration and test.
• Lead system-level trade studies evaluating performance, weight, power, and cost.
• Plan and execute propulsion integration and test campaigns (component to full vehicle).
• Generate and maintain requirements, ICDs, test plans, and fluid system schematics.

Skills

Propulsion system knowledge

Mechanical engineering

CAD and FEA

First principles thinking

Cross-functional collaboration

Education

Bachelor’s degree in aerospace/mechanical engineering

Tools

NX

NASTRAN

CFD tools

MATLAB/Simulink

Job description

Gravitics is seeking a propulsion engineer to drive the full lifecycle of an in-space propulsion system, owning major fluid subsystems from concept through hardware integration and testing.

You will lead design, analysis, and testing activities, work with structures, thermal, avionics, and GNC teams, and contribute to qualification testing and documentation. This role emphasizes ownership and rapid iteration in a high-performance space environment.