Space Fluids & Thermal Systems Engineer

Axiom Space; Georgia; On-site; USD 120,000 - 170,000; Full time

Job summary

Axiom Space is seeking a Mechanical Engineer to design, analyze, and test fluid and thermal systems for spaceflight hardware. The role requires hands-on test experience and the ability to take components from concept through integration, reporting to the Climate & Thermal Team Manager.

This onsite position is based at the Space Station Development Facility (SSDF). Ideal candidates have strong fundamentals, CAD proficiency (NX/Creo/SolidWorks), and MATLAB/Python experience, plus collaboration

Qualifications

• BS in Mechanical Engineering (or Aerospace) required.
• 5+ years of experience in mechanical, fluid, or thermal systems.
• Experience with design, analysis, and testing of fluid/thermal systems.
• Proficiency with CAD and analysis tools (NX/Creo/SolidWorks; MATLAB/Python).
• Experience with fluid components or thermal systems.
• Ability to take designs from concept through testing to production.
• Strong communication and troubleshooting skills.
• Hands-on test execution and data analysis.
• Ability to deliver high-quality results in a fast-paced environment.
• Must be able to obtain U.S. government clearance; US citizenship or permanent residency.

Responsibilities

• Select and qualify fluid and thermal system components (valves, sensors, regulators, pumps, heat exchangers, fittings).
• Conduct trade studies, define requirements, and work with suppliers.
• Develop and execute test plans for component-level verification (pressure, flow, thermal cycling, leak testing).
• Analyze test data, troubleshoot anomalies, and document results.
• Perform integrated system analyses combining fluid dynamics, thermodynamics, and heat transfer.
• Build and correlate analytical models (MATLAB/Python, CFD, or thermal tools).
• Generate and maintain system documentation including P&IDs, interface control documents, drawings, and specs.
• Collaborate with cross-functional teams to ensure proper integration and meet mission requirements.
• Support hardware builds, system integration, and test operations.
• Communicate project progress, status, and issues to stakeholders and leadership.
• Implement agile project management methodologies throughout the project lifecycle.
• Perform additional job duties as assigned.

Skills

Fluid systems

Thermal systems

Test execution

CAD tools

MATLAB/Python

Cross-functional

Documentation

Education

BS in Mechanical Engineering

Aerospace engineering

Tools

NX

Creo

SolidWorks

ANSYS Fluent

Star-CCM+

Thermal Desktop

SINDA/Fluint

Job description

Axiom Space is seeking a Mechanical Engineer to design, analyze, and test fluid and thermal systems for spaceflight hardware. The role requires hands-on test experience and the ability to take components from concept through integration, reporting to the Climate & Thermal Team Manager.

This onsite position is based at the Space Station Development Facility (SSDF). Ideal candidates have strong fundamentals, CAD proficiency (NX/Creo/SolidWorks), and MATLAB/Python experience, plus collaboration