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.

Role Overview

As a Senior Thermal/Ablation Analyst, you will be responsible for performing high-fidelity thermal analyses to ensure the performance and reliability of our products. You will work closely with design, manufacturing, and test teams to support development, qualification, and production programs.

Key Responsibilities

Conduct thermal modeling and analysis for components and systems under extreme operating conditions.

Perform transient and steady-state thermal analyses to evaluate heat transfer, thermal gradients, and material response.

Develop and validate analytical models using industry-standard software (e.g., Thermal Desktop, SINDA/FLUINT, ITRAC).

Assess insulation performance, ablative material behavior, and thermal protection system effectiveness utilizing analytical tools and hands-on inspection methods.

Correlate analytical predictions with test data and refine models accordingly.

Work with design and manufacturing teams to optimize thermal performance and ensure feasibility.

Prepare technical reports, presentations, and documentation for internal and external stakeholders.

Participate in design reviews, failure investigations, and continuous improvement initiatives.

Required Qualifications

Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related field.

4+ years of experience in thermal analysis of aerospace components.

Note: Ursa Major is considering candidates for this position at multiple levels. Based on your experience, we may be able to adjust the level of the role along with the associated compensation range accordingly.

Proficiency in finite element and computational thermal analysis tools.

Strong understanding of heat transfer principles, thermal expansion, and high-temperature material behavior.

Ability to interpret engineering drawings, specifications, and test data.

Strong problem-solving skills and ability to work in a fast-paced development environment.

Preferred Qualifications

Master’s degree in a relevant engineering discipline.

Experience with CFD, FEA, or other multidisciplinary analysis

Experience with solid rocket motors, propulsion systems, or high-temperature materials.

Knowledge of ablative materials, insulation systems, and thermal protection systems.

Hands-on experience with testing and data correlation.

Experience testing and evaluating materials for use in engineering applications

Colorado law requires us to tell you the base compensation range of this role, which is $128,000 - $160,000, 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
Equity Grants in the Company

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.