Space Systems Mechanical Engineer – Fluids & Thermal Control

Axiom Space; Houston (TX); On-site; USD 110,000 - 165,000; Full time

Job summary

Axiom Space invites an experienced Mechanical Engineer to design, analyze, and test fluid and thermal systems for spaceflight hardware. You will take components from concept through integration, reporting to the Climate & Thermal Team Manager.

This on-site role is based at our Space Station Development Facility. We seek a BS in Mechanical or Aerospace Engineering with 5+ years in related systems, proficiency in CAD and analysis tools, and hands-on testing experience.

Qualifications

• BS in Mechanical Engineering or Aerospace Engineering is required.
• 5+ years of experience in mechanical, fluid, or thermal systems.
• Experience with fluid and/or thermal system design, analysis, and testing.
• Proficiency with CAD (NX, Creo, or SolidWorks) and analysis (MATLAB, Python).
• Experience designing or analyzing fluid components (valves, regulators, pumps, lines, manifolds) or thermal systems (heat exchangers, radiators, cold plates).
• Ability to take engineering designs from concept through testing to production.
• Strong communication, documentation, and troubleshooting skills.
• Hands-on test execution experience (pressure testing, flow testing, thermal cycling) with data analysis.
• Ability to deliver high-quality results under tight deadlines.

Responsibilities

• Select and qualify fluid and thermal system components.
• Define requirements and coordinate with suppliers.
• Develop and execute component-level test plans.
• Analyze test data and document results.
• Perform system analyses to size components and predict behavior.
• Create models using MATLAB/Python, CFD, or thermal tools.
• Maintain system documentation (P&IDs, interfaces, drawings).
• Collaborate with cross-functional teams to ensure integration.
• Support hardware builds, integration, and test operations.

Skills

Experience in mechanical/fluids/therm1

CAD proficiency

MATLAB/Python

Test execution & data analysis

Communication & documentation

Education

BS in Mechanical or Aerospace Engineering

Tools

NX/Creo/SolidWorks

MATLAB

Python

CFD/FEA tools

Thermal modeling tools (Thermal Desktop, SINDA/Fluint)

Job description

Axiom Space invites an experienced Mechanical Engineer to design, analyze, and test fluid and thermal systems for spaceflight hardware. You will take components from concept through integration, reporting to the Climate & Thermal Team Manager.

This on-site role is based at our Space Station Development Facility. We seek a BS in Mechanical or Aerospace Engineering with 5+ years in related systems, proficiency in CAD and analysis tools, and hands-on testing experience.