Spacecraft Thermal Analysis Engineer

Amentum company; Houston (TX); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Health insurance

Paid time off

Retirement benefits (401(k) matching)

Educational reimbursement

Parental leave

Employee stock purchase plan

Tax-saving options

Disability and life insurance

Pet insurance

Job summary

Amentum in Houston seeks a Thermal Analysis Engineer to support development, analysis, and verification of thermal control systems for NASA human spaceflight missions.

You will collaborate with NASA customers, subsystem teams, and cross-disciplinary engineers to deliver reliable thermal solutions for crewed and uncrewed vehicles, using Thermal Desktop, SINDA/FLUINT, COMSOL, and ANSYS Fluent. Join a diverse team focused on innovation, safety, and mission success.

Qualifications

• Bachelor's degree in Engineering from an accredited institution.
• 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.
• 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

Heat transfer principles

Cross-disciplinary coordination

Oral and written communication

Problem solving

Team collaboration

Education

Bachelor's degree in Engineering

Tools

Thermal Desktop

SINDA/FLUINT

COMSOL

ANSYS Fluent

Job description

Amentum in Houston seeks a Thermal Analysis Engineer to support development, analysis, and verification of thermal control systems for NASA human spaceflight missions.

You will collaborate with NASA customers, subsystem teams, and cross-disciplinary engineers to deliver reliable thermal solutions for crewed and uncrewed vehicles, using Thermal Desktop, SINDA/FLUINT, COMSOL, and ANSYS Fluent. Join a diverse team focused on innovation, safety, and mission success.