Portable Life Support System (PLSS) Mechanical Engineer (Aerospace)

Location: Houston, United States. The role is primarily office-based, with inside or outside work depending on the task, and may require evenings and weekends during critical project milestones.

Company

hirify.global develops commercial space infrastructure, human spaceflight services, and advanced spacesuits for missions in low-Earth orbit and beyond.

What you will do

• Develop, iterate, and mature Portable Life Support System hardware for the Axiom Extravehicular Activity spacesuit.
• Own product delivery from concept and design through fabrication, assembly, delivery, on-orbit demonstration, and on-orbit services.
• Create and review CAD models, engineering schematics, drawings, analyses, assessments, and procedures.
• Validate designs through analysis and testing, building development articles when needed.
• Define spacesuit standards, engineering practices, and product lifecycle processes across the supply chain and final integration.
• Lead design and production reviews while communicating project status, risks, and progress to suppliers, customers, stakeholders, and leadership.

Requirements

• Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related field.
• Five or more years of experience in life support engineering or a similar role.
• Strong understanding of space environments, including grounding and bonding, thermal conditions, vacuum, and regolith.
• Hands-on experience building, testing, or assembling hardware, with familiarity with flight hardware development and certification.
• Experience designing complex systems that balance mass, cost, and capability, and implementing engineering standards and processes.
• Must complete a U.S. government background investigation and provide proof of U.S. citizenship or U.S. permanent residency.

Nice to have

• Knowledge of NASA or commercial space program standards.
• Experience delivering outcomes in ambiguous, fast-moving environments under tight deadlines.
• Passion for space, an entrepreneurial mindset, perseverance, resourcefulness, and adaptability.

Culture & Benefits

• Mission-driven work supporting sustained human presence in space and the development of commercial space infrastructure.
• Inclusive environment that values diverse perspectives.
• Core values include leadership, innovation, teamwork, accountability, ownership, efficiency, and execution.
• Work may involve sitting or standing for extended periods and lifting or carrying up to 25 pounds.