Ursa Major · 21 hours ago
Senior Engine Responsible Engineer
Berthoud, Colorado
Full-time
Onsite
Mid, Senior Level
$125K/yr - $155K/yr
5+ years expUrsa Major is revolutionizing how America and its allies access high-performance propulsion systems. They are seeking a skilled engineer to take ownership of rocket engine design efforts, focusing on system design, development, and validation of propulsion hardware while mentoring team members.
AerospaceNational SecuritySatellite CommunicationSpace Travel
No H1B
Security Clearance RequiredU.S. Citizen Only
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
Qualification
Required
Bachelor's degree in engineering
5+ years of relevant mechanical 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 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
US CITIZENSHIP, PERMANENT RESIDENCY, REFUGEE OR ASYLUM STATUS IS REQUIRED
Eligibility to obtain and maintain a U.S. Security Clearance
Preferred
Liquid propellant rocket engine design, test, or analysis
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
Master's or PhD in mechanical or aerospace engineering
Component testing and validation experience in both low and high energy states
Direct experience with flight qualification and flight support
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
Equity Grants in the Company
Company
Ursa Major
Ursa Major is an aerospace and defense company that provides a propulsion system for space launch, hypersonics, and national security.
201-500 employees
Funding
Current Stage
Late StageTotal Funding
$434.33MKey Investors
Eclipse VenturesExplorer 1 FundBlackRock
2025-11-18Series E· $100M
2025-11-18Debt Financing· $50M
2024-09-19Grant· $12.5M
Leadership Team
Daniel Jablonsky
Chairman and CEO
Recent News
2025-12-19
alleywatch.com
2025-11-24
Company data provided by crunchbase