Spacecraft Thermal Engineer - Hands-on Modeling & Analysis

Codematix; Sydney; On-site; AUD 90,000 - 120,000; Full time

Job summary

Codematix is seeking an experienced Thermal Engineer to develop and run thermal models for complex systems, conducting analyses across diverse operating conditions and environments. You will define cases, support thermal control sizing, and perform first-principles calculations to validate results.

You will collaborate with mechanical, electrical, systems, and test teams throughout the product development lifecycle, including design, analysis, and validation to ensure robust thermal performance.

Qualifications

• Bachelor's degree or higher in Mechanical, Aerospace, Space Systems, or a related engineering discipline.

Responsibilities

• Develop, run, and maintain thermal models for systems, subsystems, and components.
• Perform thermal analysis across a range of operating and environmental conditions.
• Define thermal cases and assumptions that support engineering and design decisions.
• Support the design and sizing of active and passive thermal control solutions.
• Perform first-principles calculations, hand calculations, and first-order analysis to validate results.
• Conduct thermal trade studies considering performance, mass, power, cost, manufacturability, and operational requirements.
• Support thermal testing and validation activities and correlate analysis with test results.
• Prepare technical reports, analysis documentation, design notes, and review materials.
• Work closely with multidisciplinary engineering teams to resolve thermal issues and support system-level decisions.
• Develop and improve thermal analysis tools, models, databases, and post-processing workflows.
• Contribute to continuous improvement of engineering methods, processes, and tools.

Skills

Hands-on engineering

Analytical problem solving

Multidisciplinary collaboration

Independent decision making

Education

Bachelor's degree in Mechanical, Aerospace, Space Systems or related

Tools

Thermal Desktop

Systema/Thermica

ESATAN-TMS

NX Space Systems Thermal

Job description

Codematix is seeking an experienced Thermal Engineer to develop and run thermal models for complex systems, conducting analyses across diverse operating conditions and environments. You will define cases, support thermal control sizing, and perform first-principles calculations to validate results.

You will collaborate with mechanical, electrical, systems, and test teams throughout the product development lifecycle, including design, analysis, and validation to ensure robust thermal performance.