Senior Propulsion Engineer, Combustion Devices
Company websiteursamajor.com (Ursa Major, opens in new tab)
Base salary $121K to $152K
Employer-published annual base salary, USD. Advertised base range in Berthoud, CO
You apply on the employer's own site. Six Figure Work does not handle applications.
- LocationBerthoud, CO
- WorkplaceWorkplace not stated
- Status at last checkSource accepting applications when checked
- Last checked (57 min ago) · observed since
About this job
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’s teams moves fast and do a lot with little. We are looking for a skilled, fast-learning individual who will serve as a central member of the team and take immediate ownership of rocket engine design efforts as a responsible engineer. This role will be part of the technical organization, responsible for clean sheet system design, development, and validation of a variety of propulsion hardware, as well as technical guidance and mentoring of a team responsible for engine hardware. Candidates will be expected to have ownership from the initial concept phase to a production-ready design.
Responsibilities:
- Liquid rocket engine system design and analysis, including performance predictions and packaging to meet requirements
- Clean sheet design and system integration of engine components
- Design modifications of existing components and prototypes to increase performance, improve manufacturability, or resolve limitations
- Mentor other engineers at Ursa Major on topics including design of components, system sizing, component testing, and system-level architecture and development for multiple engine programs
- Derive requirements from top level engine and test objectives
- Write, review, and update work instructions for the assembly of engine components as well as establish appropriate acceptance and qualification tests
- Assemble and test first article prototypes
- Work closely with interfacing teams to ensure successful integration of component designs into the engine system. Support validation and recursive design during engine development.
Required Qualifications
- Bachelor’s degree in engineering
- 5+ years of relevant mechanical design experience
- Liquid propellant rocket engine design, test, or analysis
- 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 aerospace and defense industry standards and requirements
- Desire to take ownership and help wherever needed on the team
- Able to delegate tasks and lead large project scope
- Ability to work in a fast-paced environment and stay flexible based on customer demands and company priorities along with daily firefighting
Desired Experience
- Master's or PhD in mechanical or aerospace engineering
- Prior track record leading technical teams
- Demonstrated proficiency with basic principles of design for additive manufacturing
- Demonstrated proficiency with fundamental manual or CNC machining equipment and processes (milling, turning)
- Familiarity with closed cycle rocket engines
- Experience operating in ISO 9001 or AS9100 certified organizations
- Experience with SMC-S-016 Test Requirements
- Experience with structural, fluids, and thermal analysis using Ansys FEA software
- 5+ years of PTC Creo or Siemens NX CAD programs and Windchill PLM software
- Component testing and validation experience in both low and high energy states
- Direct experience with flight qualification and flight support
Colorado law requires us to tell you the base compensation range of this role, which is $121,000 - $152,000, 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.
Classification: Full-time Exempt
Benefits Include: (Please note, Interns are not eligible for benefits)
- Unlimited PTO - Vacation, Sick, Personal, and Bereavement
- Paid Parental and Adoptive Leave
- Medical, Dental and Vision Insurance
- Tax Advantage Accounts (HSA/FSA)
- Employer Paid Short and Long Term Disability, Basic Life, AD&D
- Additional Benefit Options Including Voluntary Life and Emergency Medical Transport
- EAP Program
- Retirement Savings Plan - 401k with Company Match
How To Apply:
Interested candidates are encouraged to apply by filling out the application below and clicking "Submit Application". This position will be posted for a minimum of 3 days and will remain open until filled or adjusted based on the volume of applicants.
NOTE: Research suggests that women and BIPOC individuals may self-select out of opportunities if they don't meet 100% of the job requirements. We encourage anyone who believes they have the skills and the drive necessary to succeed here to apply for this role.
Must be a U.S. Person (this includes U.S. Citizens and Permanent Residents).
Eligibility to obtain and maintain a U.S. Security Clearance.
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.
Source: Ursa Major on Greenhouse · View original posting (opens in new tab)
Pay in context
This role's base floor ($121,000) is above 37% of the 179 Engineering (non-software) roles in Colorado listed on this site; 1 other lists the same floor. Their median floor is $129,776; the middle half runs from $114,000 to $144,179.
Only jobs on this site count, and each one publishes a base salary of $100,000 or more, so this compares six-figure jobs with each other, not with the whole market. Computed Nov 7, 2026.
This listingSenior Propulsion Engineer, Combustion Devices$121K to $152K
Senior Propulsion Engineer, Fluid & Mechanical Systems$121K to $152K
Senior Design Engineer, Solid Rocket Motor Ignition Systems$120,720 to $150,900
Senior Project Manager$120K to $150K
Senior Mission Engineer$120K to $150K
Senior Structural Analyst, Propellant Grain$122K to $152K
Senior Mission Integration Engineer$120K to $150K
Chart as a table
| Role | Published base |
|---|---|
| Senior Propulsion Engineer, Combustion Devices (this listing) | $121K - $152K |
| Senior Propulsion Engineer, Fluid & Mechanical Systems | $121K - $152K |
| Senior Design Engineer, Solid Rocket Motor Ignition Systems | $120,720 - $150,900 |
| Senior Project Manager | $120K - $150K |
| Senior Mission Engineer | $120K - $150K |
| Senior Structural Analyst, Propellant Grain | $122K - $152K |
| Senior Mission Integration Engineer | $120K - $150K |
Observed changes
- First observed on the employer's board
- Began meeting the published-salary criteria
- Observed since
- Employer-stated posting date
- 2026-08-11
Where this pay comes from
Location as the employer wrote it: Berthoud, Colorado
Colorado law requires us to tell you the base compensation range of this role, which is $121,000 - $152,000, determined by your education, experience, knowledge, skill
- Method
- Employer text, read with fixed rules and re-verified
- Checked
- Rule set
- us-base-v2
The pay passage appears in the employer's own job text. Fixed, deterministic rules located it, and the passage below was checked against the stored copy of the posting.
What we verified
- The pay figures come from the employer's own listing, quoted exactly above.
- The pay is an annual base salary in US dollars with a minimum of at least $100,000.
- The role was publicly listed on the employer's job board when last checked.
We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.
