Summer Intern 2026 - Propulsion bei Mach Industries

About Mach Industries

Founded in 2022, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 180 employees, we operate with startup agility and ambition.

Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security.

Mach offers an advanced engineering internship program with hands-on opportunities to design and build cutting-edge autonomous defense systems. You will play a crucial role in the development of innovative solutions for complex systems. Please only apply to the most relevant posting for your background. Our interns are mentored by industry experts to solve challenging real-world engineering problems across various teams. This is a 12 week internship at our propulsion facility in San Luis Obispo, CA.

The Role

Mach is seeking an exceptional Propulsion Engineering Intern to help us build next generation defense systems. You'll be a key player in developing innovative propulsion solutions that redefine the boundaries of technology and engineering. Your role will be crucial in the conception, development, and integration of advanced propulsion systems that are at the core of our disruptive technologies.

Required Qualifications

• Must be enrolled in a Bachelor's or Master’s degree program from an accredited college or university in mechanical engineering, aerospace engineering, or other related engineering disciplines.

• 3+ months of applied engineering experience (internship, laboratory, and personal/team project experience is applicable).

• Ability to work full-time onsite in San Luis Obispo, CA.

Preferred Qualifications

• GPA of 3.5 or above.

• 6+ months experience of application of technical skills outside of the classroom (examples: laboratory, research, extracurricular project teams, volunteering, personal projects or prior internship/work experience).

• Proficiency in Solidworks, NX, or similar CAD software.

• Strong analytical and problem-solving skills with attention to detail.

• Excellent communication skills and the ability to work collaboratively in a professional team environment.

• Eagerness to learn and adapt in a dynamic startup environment.

• Engineering problem solving capabilities.

• Self-directed with a positive attitude and team spirit.

Disclosures

This position may require access to information protected under U.S. export control laws and regulations, including the Export Administration Regulations (EAR) and the International Traffic in Arms Regulations (ITAR).  Please note that any offer for employment may be conditioned on authorization to receive software or technology controlled under these U.S. export control laws and regulations without sponsorship for an export license.

Mach participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.

The salary range for this role is an estimate based on a wide range of compensation factors, inclusive of base salary only. Actual salary offers may vary based on (but not limited to) work experience, education and training, critical skills, and business considerations. Highly competitive equity grants are included in most offers and are considered part of Mach’s total compensation package. Mach offers benefits such as health insurance, retirement plans, and opportunities for professional development.

Mach is an equal opportunity employer committed to creating a diverse and inclusive workplace. All qualified applicants will be treated with respect and receive equal consideration for employment without regard to race, color, creed, religion, sex, gender identity, sexual orientation, national origin, disability, uniform service, Veteran status, age, or any other protected characteristic per federal, state, or local law, including those with a criminal history, in a manner consistent with the requirements of applicable state and local laws. If you’d like to defend the American way of life, please reach out!