Spacecraft Thermal Engineer I

Firefly Aerospace

Thermal Engineer developing spacecraft thermal models for Firefly Aerospace. Collaborating with senior engineers to enhance thermal performance in demanding environments with associated testing and analysis responsibilities.

Posted 7/1/2026full-timeCedar Park • Texas • 🇺🇸 United StatesJuniorWebsite

Tech Stack

Tools & technologies

Python

About the role

Key responsibilities & impact

Support development of spacecraft thermal models under guidance from senior engineers.
Perform thermal analyses using established methods and document assumptions, inputs, and results.
Assist with subsystem and vehicle thermal trade studies.
Create and maintain Thermal Desktop models and supporting analytical tools.
Support thermal vacuum testing by preparing models, reviewing test data, and correlating analytical predictions.
Evaluate spacecraft thermal control hardware including MLI, coatings, heaters, insulation, and radiators.
Work closely with propulsion, structures, avionics, GNC, and systems engineers to understand thermal interfaces.
Present analysis results during internal design reviews and incorporate technical feedback.
Continuously improve technical knowledge of spacecraft thermal engineering methods and tools.

Requirements

What you’ll need

Required B.S. in Aerospace Engineering, Mechanical Engineering, Physics, or related field
03 years of relevant engineering experience
Fundamental understanding of heat transfer principles
Familiarity with engineering simulation software (Thermal Desktop, ANSYS, COMSOL, Simcenter, or similar)
Basic programming experience with Python or MATLAB
Strong written and verbal communication skills
Ability to work effectively on multidisciplinary engineering teams
Desired Internship or research experience involving spacecraft, aerospace, or thermal analysis
Exposure to thermal testing or laboratory instrumentation
Familiarity with CAD software
Experience with Thermal Desktop
Understanding of spacecraft thermal control concepts

Benefits

Comp & perks

🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account Firefly Aerospace Website LinkedIn All Job Openings 501 - 1000 employees Founded 2017 🚀 Aerospace 🚗 Transport 🏢 Enterprise Aerospace
Transport
Enterprise Firefly Aerospace is a space transportation company specializing in developing launch vehicles and lunar landers. They offer innovative and affordable launch options, including the Alpha small-lift vehicle and Blue Ghost lander, facilitating payload delivery to the Moon and beyond. Firefly Aerospace aims to provide end-to-end space transportation solutions and has made significant achievements such as landing on the Moon and securing missions for major organizations like NASA and the U. S. Space Force. Spacecraft Thermal Engineer I Job not on LinkedIn 🔥 6 hours ago 🏢 Cedar Park – Onsite ⏰ Full Time 🟢 Junior 👷🏻‍♀️ Engineer Python Apply Now Find Hiring Managers Customize resume + cover letter Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
Support development of spacecraft thermal models under guidance from senior engineers.
Perform thermal analyses using established methods and document assumptions, inputs, and results.
Assist with subsystem and vehicle thermal trade studies.
Create and maintain Thermal Desktop models and supporting analytical tools.
Support thermal vacuum testing by preparing models, reviewing test data, and correlating analytical predictions.
Evaluate spacecraft thermal control hardware including MLI, coatings, heaters, insulation, and radiators.
Work closely with propulsion, structures, avionics, GNC, and systems engineers to understand thermal interfaces.
Present analysis results during internal design reviews and incorporate technical feedback.
Continuously improve technical knowledge of spacecraft thermal engineering methods and tools. 🎯 Requirements
Required B.S. in Aerospace Engineering, Mechanical Engineering, Physics, or related field
03 years of relevant engineering experience
Fundamental understanding of heat transfer principles
Familiarity with engineering simulation software (Thermal Desktop, ANSYS, COMSOL, Simcenter, or similar)
Basic programming experience with Python or MATLAB
Strong written and verbal communication skills
Ability to work effectively on multidisciplinary engineering teams
Desired Internship or research experience involving spacecraft, aerospace, or thermal analysis
Exposure to thermal testing or laboratory instrumentation
Familiarity with CAD software
Experience with Thermal Desktop
Understanding of spacecraft thermal control concepts Apply Now 📊 Check your resume score for this job Improve your chances of getting an interview by checking your resume score before you apply. Check Resume Score 🌐 Worldwide Built by Lior Neu-ner. I'd love to hear your feedback — Get in touch via DM or support@remoterocketship.com Search Search Jobs by country Search jobs by city Search jobs by job title Search entry-level jobs Search junior-level jobs Search senior-level jobs Search jobs by tech stack Search jobs by contract type Search remote internships Search remote part-time jobs Remote jobs Anywhere in the World Companies Hiring Anywhere in the World Companies Hiring Sales People Anywhere in the World Companies Hiring Software Engineers Anywhere in the World Resources Advice Tips for finding remote jobs Interview questions and answers Resume examples Cover letter examples Post a job Affiliates Privacy policy Terms of service Job board SEO course AI Apply Copilot OpenClaw job finder Jobs by Country Remote jobs anywhere in the world (Worldwide remote jobs) Remote jobs United States Remote jobs Australia Remote jobs Brazil Remote jobs Canada Remote jobs France Remote jobs Ireland Remote jobs Germany Remote jobs Netherlands Remote jobs Spain Remote jobs UK Popular Jobs Remote data analyst jobs Remote customer support jobs Remote executive assistant jobs Remote marketing jobs Remote product designer jobs Remote product manager jobs Remote project manager jobs Remote recruiter jobs Remote sales jobs Remote software engineer jobs Jobs by Type Remote full-time jobs Remote part-time jobs Remote contract jobs Remote internship jobs Remote entry-level jobs Remote jobs with no experience required Remote junior jobs (1-3 years of experience) Digital nomad jobs Remote jobs with no degree required Freelance remote jobs Temporary remote jobs Remote jobs hiring now Stay at home mom jobs

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

Thermal AnalysisHeat Transfer PrinciplesBasic Programming (Python, MATLAB)Thermal TestingThermal Control Concepts

Soft Skills

Strong Written CommunicationStrong Verbal CommunicationTeam Collaboration