Senior Mechanical Engineer

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 talented and driven Mechanical Engineer to support the manufacturing and assembly of subsystems, used in solid rocket motor manufacturing.

The ideal candidate will excel at delivering robust complex mechanical solutions to improve quality, efficiency, and safety across production. This role demands a strong ability to understand and generate Piping and Instrumentation Diagrams (P&), employ finite element analysis (FEA), and maintain ownership through the entire lifecycle of projects from initial requirements to operational activation.

• Design and Develop Support Systems related to the manufacturing of Solid Rocket Motors
• Upgrade and Improve Existing Equipment
• Lifecycle Project Ownership by leading project from initial requirement gathering through commissioning
• Integration with Tooling and Lifting Devices
• Component Selection and System Integration
• Structural Analysis using FEA
• Documentation & Work Instructions using SOPs and assembly processes
• Cross-functional Collaboration various technical skillsets
• Ensure Safety & Compliance standards are upheld

• Bachelor’s degree or higher in Mechanical Engineering or a related field.
• 5+ years of engineering experience, preferably in aerospace, automotive, or manufacturing environments.
• Demonstrated proficiency in mechanical system design and hands-on fabrication or assembly.
• Experience with P& and interpretation.
• Strong capability in Finite Element Analysis (FEA) using software such as ANSYS, Abaqus, or similar.
• Proficiency with CAD software (Siemens NX, Solid Works, Creo, CATIA, or equivalent).
• Familiar with design, specification, and integration of pneumatic, hydraulic, and electrical subsystems.
• Proven ability to generate clear technical documentation, work instructions, and SOPs.
• Self-starter with excellent problem-solving, organizational, and communication skills.
• Experience managing projects through complete product life cycles is highly preferred.

• Prior experience with rocket propulsion or energetics manufacturing.
• Knowledge of controls, automation, and instrumentation.
• Familiarity with quality systems such as AS9100 or ISO 9001.

Colorado law requires us to tell you the base compensation range of this role, which is $110,000 - $136,000, 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.

• 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

Classification:
Full-time Exempt

US CITIZENSHIP, PERMANENT RESIDENCY, REFUGEE OR ASYLUM STATUS IS REQUIRED.

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.