Senior Propulsion Engineer I

Location: El Segundo, California, United States; on-site. Applicants must be U.S. citizens, lawful permanent residents, conditional residents, asylees, refugees, or eligible to obtain the required U.S. government authorizations.

Salary: $140,000–$168,000 per year.

Company

hirify.global develops communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms.

What you will do

• Design and develop liquid rocket engine components, including loading frames, gimbals, bellows units, and pipelines.
• Define requirements, evaluate architecture trades, and integrate assigned propulsion subsystems at the system level.
• Prepare technical reports, specifications, and contributions to preliminary and critical design reviews.
• Perform CFD and FEA analyses covering pressure drops, hydraulic characteristics, and mechanical integrity.
• Develop and execute test programs, analyze experimental data, and optimize hardware designs.
• Collaborate with mechanical, aerospace, and controls engineering teams to deliver flight-ready hardware.

Requirements

• Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related field.
• 4+ years of experience in mechanical design, development, fabrication, assembly, or testing.
• Hands-on proficiency with CAD tools, including Siemens NX and SolidWorks.
• Experience with structural or mechanical design for flight hardware and early-stage vehicle architecture trades.
• Strong analytical, problem-solving, communication, and independent working skills.
• Must meet U.S. space technology export-control eligibility requirements.

Nice to have

• Experience designing liquid rocket engine components and setting up test benches for performance diagnostics.
• Hands-on engineering experience across computer-based and physical hardware work.
• Geometric dimensioning and tolerancing, aerospace safety and reliability practices, or rapid-development startup experience.
• Experience with ANSYS and MATLAB.

Culture & Benefits

• Hands-on, interactive, autonomous, and cross-functional engineering environment.
• Full-time employment with company stock options.
• Health, dental, vision, HSA, FSA, life, disability, and retirement benefits.