Thermal Engineering Intern Spring 2026

Thermal Engineering Intern Spring 2026

Rocket Lab is an end-to-end space company delivering responsive launch services, complete spacecraft design and manufacturing, payloads, satellite components, and more – all with the goal of opening access space. The rockets and satellites we build, and launch enable some of the most ambitious and vital space missions globally, supporting scientific exploration, Earth observation and missions to combat climate change, national security, and exciting new technology demonstrations.

Our Electron rocket has become the second most frequently launched U.S. rocket annually and has delivered more than 230 satellites to orbit, all while we work to develop Neutron, our upcoming medium-lift, reusable launch vehicle for larger constellation deployment. Our Space Systems business designs and builds our extensive line of satellites, payloads, and their components, including spacecraft that have been selected to support NASA missions to the Moon and Mars and components used on the James Webb Space Telescope.

As a Thermal Engineering Intern based at Rocket Lab's site in Long Beach, California, you will have the opportunity to support the Space Systems Division on mission proposal through flight operations, and everything in between. The Thermal team splits their time between conducting thermal simulations and hands on work in the clean room, installing and operating hardware, as well as engaging with most subsystems of the spacecraft to provide thermal control.

What You'll Get To Do

• As an intern, you will work closely with your mentor and other employees within the department to apply your knowledge and grow your skills both technically and professionally
• Work with a fast-paced group of professionals to apply engineering and industry concepts to solve real challenges
• Attend frequent 1:1's with mentors and supervisors to facilitate success and learning while providing progress updates
• Enjoy tech talks and network with other interns and employees through social and professional events

You'll Bring These Qualifications

• Must be enrolled in a bachelor's, master's or doctorate degree program in an engineering, physics or math discipline and have at least one semester of school remaining post internship
• GPA of 3.0 or above
• 3+ months of applied engineering experience (internship, laboratory, and personal/team project experience is applicable)

These Qualifications Would Be Nice To Have

• GPA of 3.5 or above
• 6+ months of applied engineering experience (internship, laboratory, and personal/team project experience is applicable)
• Thermal engineering experience
• Experience using CAD/CAM
• Finite Element Analysis (FEA) machining experience
• Experience using a lathe machine

Additional Requirements

• Able to work full-time, on-site for a minimum of 12 consecutive weeks beginning January, February or March 2026.

Compensation And Other Benefits

• Pay Range CA: $28.00 USD Hourly
• You may be eligible for a stipend to subsidize relocation costs

Level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience.

Base salary is just one component of our total rewards package at Rocket Lab. Employees may also receive company equity and access to a robust benefits package including: top tier medical HMO, PPO & a 100% company-sponsored medical HSA plan option, dental and vision coverage, 3 weeks paid vacation and 5 days sick leave per year, 11 paid holidays per year, flexible spending and dependent care savings accounts, paid parental leave, disability insurance, life insurance, and access to a 401(k) retirement plan with company match. Other perks include: Discounted employee stock purchase program, subsidized EV charging stations, onsite gym, food and drinks, and other discounts.

Eligibility for benefits may vary based on employment status, please check with your recruiter for a comprehensive list of the benefits available for this role. Benefit programs are subject to change at the company's discretion.