Propulsion Senior Engineer – Pressure & Fluid Systems

Location: Houston, United States; office environment with inside or outside work depending on the task

Company

hirify.global develops commercial human spaceflight services, advanced spacesuits, and Axiom Station, a commercial space station designed to support sustained human presence in space.

What you will do

• Own the end-to-end technical execution of spacecraft pressure control and fluid systems, including COPVs, valves, regulators, manifolds, filters, and instrumentation.
• Provide technical authority for propellant feed and pressurization system architecture, component selection, and interface definition.
• Model, analyze, and simulate fluid-system performance, fluid dynamics, thermal effects, and transient behavior using GFSSP, ANSYS, and Fluent.
• Size and select components, define system and component-level development, qualification, and acceptance tests, and validate analytical models against test data.
• Lead design reviews, trade studies, integration activities, and technical coordination with external vendors and suppliers.
• Control interfaces with structures, thermal, avionics, and software teams while delivering against safety, cost, schedule, and flight-readiness targets.

Requirements

• Bachelor’s degree in Aerospace, Mechanical, or related Engineering discipline; an advanced degree is preferred.
• 7+ years of relevant experience with demonstrated depth in pressure control and fluid systems design.
• Hands-on experience designing, developing, qualifying, and integrating propellant feed systems, including COPVs, valves, regulators, filters, manifolds, and instrumentation.
• Expertise in fluid dynamics, thermodynamics, heat transfer, propulsion systems, and oxygen compatibility assessments.
• Experience coordinating vendor technical requirements, design verification, cost, and schedule performance; SolidWorks experience is preferred.
• Must complete a U.S. government background investigation and provide proof of U.S. citizenship or U.S. permanent residency.

Culture & Benefits

• Mission-driven work focused on commercial space infrastructure, human spaceflight, and microgravity research.
• Inclusive environment built around leadership, innovation, teamwork, accountability, and ownership.
• Cross-functional collaboration with engineering teams and external suppliers.
• Evening and weekend work may be required to meet critical project milestones.
• Work may involve extended periods of sitting or standing and occasional lifting of up to 25 lbs.