Development Engineer II
- Salary
- $90,000 - $115,000
- Level
- Mid
Not stated in the posting: work type, visa.
Open. First seen 2 October 2026.
About the role
Ursa Major's standard text
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.
As Ursa Major continues it's growth within the realm of solid propulsion, we’re assembling an innovative and nimble team in order to bring needed improvements to the SRM industry. Applying the latest technologies to an outdated business model, we are able to improve cost, lead time, and flexibility without impacting reliability. Ursa Major prioritizes engineering excellence, building in-house capabilities in energetics, ballistics, and composites with an emphasis on novel designs focused on manufacturability and high-rate scalability.
Development engineers are primarily responsible for all aspects of the design, fabrication and test of development prototype hardware for Ursa Major’s solid motor program as well as process development for new and novel approaches to manufacturing. Success on this team requires an understanding of solid rocket propulsion fundamentals, mechanical and fluid systems, strong critical thinking skills, attention to detail, organization, and effective communication across discipline groups.
Responsibilities
- Clean sheet design of novel solid rocket motor elements with limited guidance from subject matter experts, including relevant analysis.
- Lead cross-functional communications to ensure designs satisfy the needs of each stakeholder.
- Maintain proper documentation of all designs including design reviews, drawings, test plans, requirements verification, etc.
- Evaluate novel manufacturing approaches and support experimentation to validate conceptual approaches.
- Coordinate with procurement team to identify potential supply chain risks and mitigate appropriately.
- Evaluate new materials for SRM design solutions, including material properties, manufacturability, and supply chain availability
- Support the design, fabrication and assembly of prototype hardware and tooling.
- Provide dispositions for discrepant hardware including supporting analysis if required.
- Develop test plans including required instrumentation and coordinate with test team to execute.
- Review test data to ensure the product is operating as expected and support design changes as needed.
- Own failure investigations as needed.
- Develop and maintain aggressive but achievable product schedules that proactively identify and mitigate high-risk design decisions.
- Generate CAD models and drawings that are consistent with internal best practices and ASME Y14.5-2009 using Siemens NX software
Required Qualifications
- Bachelor’s degree in Aerospace Engineering, Mechanical Engineering, or other applicable discipline
- 2-4 years of professional rocket propulsion experience
- Knowledge of solid rocket motor fundamentals
- Programming competency in any language
- This position requires that the employee be eligible and maintain eligibility for a Secret Clearance.
Desired Experience
- 4-6 years of rocket propulsion experience (e.g., professional experience, university design team, personal project)
- Experience handling and testing energetic materials
- Experience with energetic material properties testing
- Experience with ablative material composition, design, and testing
- Programming competency in Python and/or MATLAB and FORTRAN
- Experience with CAD modeling (NX preferred)
- Experience with chemical kinetics solvers (CEA, CLWire, ProPEP)
- Experience with FEA/CFD software packages (ANSYS preferred)
- Hands-on hardware experience with fluid/mechanical systems, including design and safety review
- DoD Secret Security Clearance or higher.
Colorado law requires us to tell you the base compensation range of this role, which is $90,000 - $115,000, 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)
Ursa Major's standard text
- 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.
Ursa Major's standard text
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.
What this role asks for
Particular to this role
MATLAB
Rare in Ursa Major's other 63 open postings.
Standard for software engineering roles
Python
Common in software engineering postings at any company.
70% of this description is written for the role. The rest is Ursa Major's standard text, folded away below.
Read against Ursa Major's other open postings on this site.
The team: Engineering HIRES STEADILY
This role is one of 40 open in Engineering. 12 were posted in the last 30 days and the oldest in February: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
ANSYS (17 of 40), Siemens NX (13 of 40), FEA (12 of 40), GD&T (10 of 40), Creo (8 of 40), Python (4 of 40), LabVIEW (2 of 40)
OTHER ROLES ON THIS TEAM
- Manufacturing Engineer II posted Oct 16
- Senior Mission Integration Engineer posted Oct 14
- Staff Systems Engineer – Safety & Reliability posted Oct 14
- Ballistics Analyst, II posted Oct 7
- Systems Engineer posted Oct 7
- Loads and Dynamics Analyst, II posted Oct 7
- Senior Structural Analyst posted Oct 7
- Senior Design Engineer, Solid Rocket Motor Ignition Systems posted Oct 7
- Avionics Test Manager posted Sep 29
- Senior Systems Engineer, In-Space posted Sep 29
- Senior Propulsion Engineer, Tanks posted Sep 29
- Development Research Engineer I, Energetics posted Sep 22
- Electromechanical Engineer II posted Sep 15
- Staff Design Engineer, Solid Rocket Motor Cases posted Sep 14
- Turbomachinery Engineer II posted Sep 9
- Staff Design Engineer, Solid Rocket Motor Nozzles posted Sep 3
- Senior Design Engineer, Solid Rocket Motor Cases posted Aug 26
- Design Engineer II, Solid Rocket Motors posted Aug 26
- Senior Maintenance Engineer posted Aug 26
- Senior Systems Engineer posted Aug 18
- Senior Mission Engineer posted Aug 18
- Propellant Development Engineer II posted Aug 18
- Staff Instrumentation & Controls Engineer posted Aug 18
- Industrial Engineer II posted Aug 17
- Staff Fluid System Manufacturing Engineer posted Aug 13
- Senior Manufacturing Engineer posted Aug 13
- Propulsion Engineer, Fluid & Mechanical Systems posted Aug 11
- Senior Propulsion Engineer, Combustion Devices posted Aug 11
- Senior Propulsion Engineer, Fluid & Mechanical Systems posted Aug 11
- Chief Engineer, Hypersonic Missile and Interceptor posted Aug 6
- Senior Turbomachinery Engineer posted Jul 16
- Staff Turbomachinery Engineer posted Jul 16
- Senior Manufacturing Engineer - AP Milling posted Jul 16
- Propulsion Engineer (Vehicle) posted Jul 14
- Program Chief Engineer, Solid Missile Systems posted Jun 26
- Propulsion Engineer II (Vehicle) posted Jun 19
- Senior Materials Engineer posted Jun 5
- Propellant Tank Responsible Engineer - In-Space posted May 29
- Senior Systems Engineer posted Feb 2
From the team and dates on Ursa Major's own job board.
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