Fluids and Propulsion Test Engineer (III-Senior) (Aerospace)

Location: Fully onsite in Long Beach, California, United States

Salary: $140,000–$175,000 base for Senior Test Engineer; actual level and salary depend on skills, education, location, and experience.

Company

hirify.global develops autonomous spacecraft, advanced payloads, mission software, and space-based interceptors for U.S. and allied space-security missions.

What you will do

• Define and lead test strategies for spacecraft propulsion and fluid-system programs.
• Develop, review, and maintain test plans, procedures, readiness reports, and compliance matrices.
• Execute proof, leak, functional, performance, and propellant-loading test campaigns.
• Analyze test data, disposition anomalies, and lead root-cause investigations and corrective actions.
• Design, build, commission, and operate propulsion and fluids ground-support equipment.
• Coordinate with propulsion, systems, production, program, customer, and regulatory stakeholders during reviews and formal test events.

Requirements

• Bachelor’s degree in aerospace, mechanical, chemical engineering, or a related technical discipline.
• Relevant propulsion or fluid-systems test-engineering experience in aerospace, defense, or other high-reliability systems.
• Knowledge of proof, leak, functional, and performance testing methodologies.
• Experience leading propulsion or fluid-system test campaigns and coordinating multidisciplinary teams.
• Strong data-analysis, systems-engineering, failure-analysis, communication, leadership, and technical-documentation skills.
• U.S. citizenship is required due to government contracts and ITAR requirements.

Nice to have

• Master’s or higher degree in aerospace, mechanical, or chemical engineering.
• Experience with data acquisition, test automation, and scripting using LabVIEW, Python, or MATLAB.
• Hands-on experience with thrusters, valves, regulators, tanks, feed systems, propellant handling, and hazardous-fluid operations.
• Familiarity with MIL-STD-810, AIAA propulsion standards, or NASA/DoD propulsion test specifications.
• Experience in classified or secure test environments and an active Secret or Top Secret clearance.

Culture & Benefits

• Mission-driven work focused on space superiority and spacecraft propulsion technology.
• Health, dental, vision, HRA/HSA options, paid time off, and paid holidays.
• 401(k) and parental leave.
• Work includes indoor and outdoor environments, variable temperature and noise conditions, bending, sitting, lifting, and driving.