Thermal Analysis Engineer IV

About the Role

Axiom Space, a human space exploration company, is seeking a Thermal Analysis Engineer IV to lead the design, development, verification, and certification of advanced spacesuit systems, including the Portable Life Support System (PLSS), Pressure Garment System (PGS), and associated extravehicular activity (EVA) hardware.

Responsibilities

• Develop, validate, and maintain detailed thermal models of spacesuit assemblies and subsystems across all mission phases.
• Perform thermal analyses to ensure compliance with program requirements, human-rated design standards, and mission objectives.
• Analyze LCVG performance and its interaction with garment insulation layers to support crew thermal comfort and metabolic heat rejection requirements.
• Support thermal vacuum and human-in-the-loop testing, including test planning, instrumentation placement guidance, and model-to-test correlation.
• Support verification and validation activities, including anomaly investigation and closure.
• Author and review technical reports, analysis packages, and requirement verification artifacts for internal reviews and customer milestones.
• Mentor and provide technical guidance to junior and mid-level thermal engineers.
• Communicate project progress, status, and potential issues to stakeholders and leadership.
• Support agile planning and tracking of thermal analysis tasks within program schedules.

Qualifications

• Bachelor's degree in Mechanical Engineering, Aerospace Engineering, or a related field (Master's preferred)
• 7+ years of relevant thermal engineering experience, including work on human-rated or crewed hardware
• Proficiency with thermal modeling tools (Thermal Desktop, SINDA/FLUINT, Ansys, or equivalent)
• Strong foundation in conduction, radiation, and convective heat transfer, and human thermal physiology/comfort as applied to garment systems
• Experience with thermal testing and thermal math model validation
• Experience in CAD software such as SolidWorks, SpaceClaim
• Strong problem-solving abilities and sound judgment
• Demonstrated time management and organizational skills

Skills

• Passion for space and the mission
• Entrepreneurial, growth mindset
• High EQ and ability to collaborate within teams and cross-functionally
• Tech-solutioning in using systems and tools to move smarter and faster

Core Competencies

• Accountability
• Technical Rigor
• Execution Discipline
• Pride of Delivery

Work Environment

Generally, an office environment, but can involve inside or outside work depending on the task. May require working evenings and weekends to meet critical project milestones.

Physical Requirements

• Work may involve sitting or standing for extended periods (90% of the time)
• May require lifting and carrying up to 25 lbs. (5% of the time)

This position is located in Houston, Texas, United States and is onsite. It may require access to export controlled technical data or technology subject to NASA regulations, International Traffic in Arms Regulations (ITAR), or Export Administration Regulations (EAR). Meeting these requirements is a condition of employment.