Propulsion Design Engineer

Lafayette, Colorado
The journey to space starts with the engines. 

Ursa Major was founded to bring a new model to space access: one in which every link in an enormous value chain isn’t limited by those around it. We design rocket engines and propulsion solutions.  

Our products and technologies require an extraordinary team. A team who will mold tomorrow’s technologies while deploying today’s best. We are comprised of intrinsically motivated individuals who have a passion for solving problems and empower each other every day to develop our skills, knowing that there is always room for growth.

Ursa Major’s teams moves fast and do a lot with little. We are looking for a skilled, fast learning individual who will support our design efforts. This role will be part of the technical organization, responsible for clean sheet designs of a variety of propulsion hardware. Candidates will be expected to have ownership from the initial concept phase to a production-ready design and may need to support multiple programs simultaneously.
Colorado law requires us to tell you the base compensation range of this role, which is $80,000 - $120,000, determined by your education, experience, knowledge, skills, and abilities. What we can’t quantify for you are the exciting challenges, supportive team, and amazing culture we enjoy. Click here for more information about our awesome benefits.


We’re an equal opportunity employer. You will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.

No outside recruiters please.


As a U.S. government contractor, Ursa Major is subject to President Biden’s September 9, 2021 Executive Order on Ensuring Adequate COVID Safety Protocols for Federal Contractors requiring federal contractors to be fully vaccinated from COVID-19. As such, Ursa Major requires employees to either show proof of vaccination or demonstrate an exemption for medical or religious reasons by December 8, 2021. Per the executive order, “fully vaccinated” means two weeks after a final dose of a one- or two-dose COVID-19 vaccine approved for regular or emergency use by the U.S. Food and Drug Administration or World Health Organization.
Primary Responsibilities
  • Clean sheet design of fluid & mechanical engine components including gimbals, actuators, valves, igniter and fluid systems
  • Design modifications of existing components and prototypes to increase performance, improve manufacturability or resolve limitations
  • Collaborate with team members to write, review, and update work instructions for the assembly of components as well as establish appropriate acceptance and qualification tests
  • Assembly and testing of first article prototypes
  • Bachelor’s degree in engineering
  • 2+ years of relevant mechanical design experience
  • Fluid system design experience
  • Demonstrated proficiency with computer aided design and drafting 
  • Experience with geometric dimensioning and tolerancing per ASME Y14.5
  • Working knowledge of and hands-on experience with fluid, mechanical, and electrical systems
  • Strong understanding of industry standards and requirements
  • Desire to take ownership and help wherever needed on the team
Desired Experience
  • Demonstrated proficiency with fundamental manual or CNC machining equipment and processes (milling, turning)
  • Demonstrated proficiency with basic principles of design for additive manufacturing
  • Experience leading design reviews to communicate design decisions and trades. Well versed in documenting those reviews
  • Coordination with analysis and lead engineers to quickly mature designs
  • Experience with structural and thermal analysis using Ansys FEA software
  • 1+ years of PTC Creo or Siemens NX CAD programs and Windchill PLM software
Benefits Include
  • Unlimited PTO - Vacation, Sick, Personal, and Bereavement
  • Paid maternity/paternity/adoptive leave
  • Medical, dental and vision insurance; STD; Life and AD&D
  • Retirement Savings Plan - Traditional 401(k) and a Roth 401(k)
  • Company stock options

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