Spacecraft Thermal Analysis Engineer

Amentum; Georgia; On-site; USD 95,000 - 140,000; Full time

Benefits offered by this job

Health insurance

401(k) matching

Educational reimbursement

Parental leave

Employee stock purchase plan

Disability and life insurance

Pet insurance

Job summary

Amentum seeks a Thermal Analysis Engineer to develop, analyze, and verify thermal control systems for NASA human spaceflight missions. You will model with Thermal Desktop and related tools, perform steady-state and transient analyses, and collaborate across teams to deliver reliable thermal solutions for crewed and uncrewed systems.

The role requires 2–5 years of experience and a BS in Engineering, with strong heat transfer knowledge and communication skills to coordinate with multiple

Qualifications

• Typically requires a bachelor’s degree in Engineering and a minimum of 2-5 years of experience in the field or in a related area.
• Bachelor’s degree in Engineering from an accredited institution.
• Experience with thermal analysis tools such as Thermal Desktop, COMSOL, ANSYS Fluent, or similar industry-standard software.
• Strong understanding of heat transfer principles and spacecraft thermal environments.
• Excellent oral and written communication skills, with the ability to coordinate across multiple technical disciplines.
• Ability to assess and validate thermal designs for technical accuracy and compliance with requirements.

Responsibilities

• Develop and maintain simplified to high-fidelity thermal models using Thermal Desktop, SINDA/FLUINT, and related tools.
• Perform steady-state and transient thermal analyses for spacecraft components, subsystems, and integrated vehicle configurations.
• Evaluate thermal performance across mission phases, including ascent, cruise, lunar orbit, surface operations, and off-nominal scenarios.
• Perform thermal sensitivity studies in support of vendor vehicle designs, GFE designs or requirement development.
• Support thermal verification and validation activities, including test planning, thermal vacuum testing, data analysis, and model correlation.
• Collaborate with design teams to optimize PTCS and ATCS architectures.
• Provide guidance on thermal design considerations and ensure compliance with NASA requirements and best practices.
• Participate in design reviews, technical interchange meetings, and anomaly investigations.
• Review NASA and vendor thermal designs for technical accuracy and requirement compliance.
• Document analysis results, prepare technical reports, and present findings to internal stakeholders and NASA customers.
• Support integration with systems engineering, mission operations, and hardware development teams throughout the engineering lifecycle.

Skills

Strong communication

Team collaboration

Problem solving

Education

Bachelor's degree in Engineering

Tools

Thermal Desktop

COMSOL

ANSYS Fluent

Job description

Amentum seeks a Thermal Analysis Engineer to develop, analyze, and verify thermal control systems for NASA human spaceflight missions. You will model with Thermal Desktop and related tools, perform steady-state and transient analyses, and collaborate across teams to deliver reliable thermal solutions for crewed and uncrewed systems.

The role requires 2–5 years of experience and a BS in Engineering, with strong heat transfer knowledge and communication skills to coordinate with multiple