Space Systems Mechanical Engineer – Fluids & Thermal

Axiom Space; United States; On-site; USD 120,000 - 180,000; Full time

Job summary

Axiom Space seeks an experienced Mechanical Engineer to design, analyze, and test fluid and thermal systems for spaceflight hardware. The role requires hands-on testing, robust documentation, and the ability to take components from concept through integration and delivery.

The candidate should have a strong fundamentals background, CAD and analysis tool proficiency, and the drive to deliver high-quality results in a fast-paced, mission-focused environment.

Qualifications

• BS in Mechanical Engineering or Aerospace Engineering.
• 5+ years on mechanical, fluid, or thermal systems.
• Experience with design, analysis, and testing of fluid/thermal systems.
• CAD tools experience (NX, Creo, SolidWorks) and analysis tools (MATLAB/Python).
• Experience taking designs from concept through testing to production.

Responsibilities

• Select and qualify fluid and thermal system components (valves, sensors, regulators, pumps, heat exchangers).
• Conduct trade studies, define requirements, coordinate with suppliers.
• Develop and execute test plans for component-level verification (pressure, flow, thermal cycling, leak testing).
• Analyze test data, troubleshoot, and document results.
• Perform integrated system analyses combining fluid dynamics, thermodynamics, and heat transfer.
• Build and correlate analytical models (MATLAB/Python, CFD, thermal tools) with test data.
• Generate and maintain system docs (P&IDs, interfaces, drawings, specifications).
• Collaborate with Stress, avionics, manufacturing to ensure integration and mission requirements.
• Support hardware builds, system integration, and test operations.
• Communicate progress and issues to stakeholders and leadership.
• Apply agile project management practices throughout the project lifecycle.

Skills

Mechanical systems

System-level thinking

Communication

Team collaboration

Education

BS in Mechanical or Aerospace Engineering

Tools

NX/Creo/SolidWorks

MATLAB/Python

CFD/FEA tools

ANSYS Fluent / Star-CCM+

Job description

Axiom Space seeks an experienced Mechanical Engineer to design, analyze, and test fluid and thermal systems for spaceflight hardware. The role requires hands-on testing, robust documentation, and the ability to take components from concept through integration and delivery.

The candidate should have a strong fundamentals background, CAD and analysis tool proficiency, and the drive to deliver high-quality results in a fast-paced, mission-focused environment.