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ExperiencedAerospace

Senior Propulsion Engineer, Tanks

Ursa Major · Berthoud, Colorado

Posted Sep 29, 2026

Est. total comp~$199K–$304K

Apply on Ursa Major's site ↗

From the posting

The future of aerospace and defense starts here.

Ursa Major was founded to revolutionize how America and its allies access and apply high-performance propulsion, from hypersonics to solid rocket motors, satellite maneuvering and launch. We design and deliver propulsion and defense systems that solve the most urgent and critical national security demands.

Ursa Major is seeking a Senior Propulsion Engineer, Tanks to lead the technical definition, integration, and execution of propulsion systems and take ownership of tank architecture from ideation to qualification.

The ideal candidate brings deep propulsion experience, strong systems thinking, and the ability to drive technical decisions in fast-paced, hardware-centric programs.

Key Responsibilities

Complete ownership of tank architecture from ideation to qualification

Clean sheet design of fluid & mechanical tank systems

Support rapid development cycles of new designs and changing requirements including testing, data analysis and hands-on hardware work

Collaborate with the manufacturing, analysis, and test teams to optimize performance, meet requirements and reduce part-to-part variation

Assemble and test first article prototypes

Lead propulsion subsystem architecture and requirements definition for hypersonic vehicles

Own trades, performance margins, and integration decisions

Serve as the technical authority for tanks and interfaces with vehicle structures, thermal and mission engineering …

Excerpt from Ursa Major's public job board. Read the full posting.

Job inventory

Required 3 items

Education: Bachelor's degree

Experience: 5+ years of experience

Clearance and work authorization: Security clearance

Preferred 5 items

Education: Master's degree

Skills and tools: CAD, Siemens NX

Clearance and work authorization: US person (ITAR / export control), US citizenship

We have not read this posting carefully yet, so it cannot show as Mission Ready. These items come from a keyword scan.

Get ready for this role

Crew department: Oxygen

Skills this kind of role usually asks for:

Thermal systems
Thermodynamics and chemistry
Cryogenic and high-pressure handling
Electrochemistry basics
Test stand operations

Related coursework: the Oxygen Track: Electrolysis, Gases and Pressure Systems. We study 4 core modules, take a quiz after each one and pass a final test to earn the Mars Mining Certificate in Oxygen and Industrial Gas Fundamentals. We can link its verification page from our resume. It records online learning, not professional licensing or work experience.

Join the crew and train for this role About Oxygen

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I can do Thermal systems on the job, or have used it in a class or project I can do Thermodynamics and chemistry on the job, or have used it in a class or project I can do Cryogenic and high-pressure handling on the job, or have used it in a class or project I can do Electrochemistry basics on the job, or have used it in a class or project I can do Test stand operations on the job, or have used it in a class or project I have a project or work sample I could show an interviewer My resume is tailored to this kind of role I've practiced answering interview questions for this kind of job

Free. The department comes from the job title and can be off. A Mars Mining certificate shows you studied and passed our test; it isn't a license or academic credit.

About this listing. Pulled automatically from Ursa Major's public job board and refreshed daily; closed roles are removed. Mars Mining Co. is not the employer, does not take applications and does not screen candidates. Field and level labels come from the job title and can be wrong.

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