Senior Thermal Engineer - Lead Aerospace Thermal Systems

CesiumAstro; El Segundo (CA); On-site; USD 140,000 - 168,000; Full time

Benefits offered by this job

Stock options

Health insurance

Dental insurance

Vision insurance

HSA

FSA

Life insurance

Disability insurance

Retirement plans

Job summary

CesiumAstro is seeking a Senior Thermal Engineer to design, analyze, and verify thermal systems for spacecraft and aerospace platforms. You will lead thermal solutions, perform analyses, and drive validation across product lifecycles, working with mechanical, electrical, systems, manufacturing, test, quality, and program teams.

You will develop thermal models, conduct tests, and provide engineering documentation to support decisions, design changes, and continuous improvements in thermal

Qualifications

• Bachelor's degree or higher in aerospace or a related technical field with 0–3 years (PhD) to 8 years (Bachelor's) of experience.
• Experience with thermal modeling, analysis, and hand calculations for aerospace hardware.
• Experience with CAD/FEA software to support thermal design and analysis (SolidWorks, Ansys preferred).
• Advanced knowledge of heat transfer, thermodynamics, fluid mechanics, and aerospace thermal control requirements.
• Understanding of thermal system architectures and multidisciplinary product development processes.

Responsibilities

• Develop thermal architectures, heat transfer analyses, models, and cooling solutions for complex products.
• Evaluate thermal performance using analytical and simulation methods and optimize designs.
• Lead thermal testing, data collection, and validation against requirements.
• Review drawings and specs to ensure compliance with thermal and system requirements.
• Collaborate with cross-functional teams to integrate thermal solutions into designs.
• Prepare technical reports, design documents, and test summaries for decisions.

Skills

CAD software

FEA software

SolidWorks

Ansys

Heat transfer

Thermodynamics

Fluid mechanics

Thermal analysis

Problem solving

Education

Bachelor's degree in a related technical field

Master's degree in a related field

PhD in a related field

Tools

SolidWorks

Ansys Mechanical

Ansys Icepak

Job description

CesiumAstro is seeking a Senior Thermal Engineer to design, analyze, and verify thermal systems for spacecraft and aerospace platforms. You will lead thermal solutions, perform analyses, and drive validation across product lifecycles, working with mechanical, electrical, systems, manufacturing, test, quality, and program teams.

You will develop thermal models, conduct tests, and provide engineering documentation to support decisions, design changes, and continuous improvements in thermal