Defense Science and Technology Internship Graduate Student - Summer 2026

Must be currently enrolled in an accredited university and actively pursuing a graduate degree or completed a Bachelor's or Master's degree with a focus in Physics, Engineering, Mathematics, Computer Science or a related field.

Must have experience applying basic principles of physics, engineering and/or computer science to solve technical problems.

Must possess excellent written and oral communication skills.

Must be able to work effectively in a team environment.

Math, Physics and Engineering majors should intend to complete a Ph.D.

Students should have a track record of achievement in their field of study.

All your information will be kept confidential according to EEO guidelines.

Why Lawrence Livermore National Laboratory?

Included in 2026 Best Places to Work by Glassdoor!

Holiday Pay

Sick leave accrual

Individual 401(k) contributions

We have multiple openings for graduate students and for students who have received their Bachelor's or Master's degree, to engage in practical research experience to further their educational goals. You will conduct research in the fields such as nuclear physics, radiation transport, hydrodynamics, astrophysics, plasma dynamics, numerical methods and computer science. Research projects combine theory with computation and are geared to further the students’ educational goals. This position is in the Strategic Deterrence Directorate.

Depending on your assignment, this position may offer a hybrid schedule, blending in-person and virtual presence. You may have the flexibility to work from home one or more days per week.

You will

Develop and/or employ high performance scientific software to complete novel research tasks.

Work with mentors under limited supervision on your assigned project.

Present an oral presentation of each project at the end of the summer.

Join us and make YOUR mark on the World!

Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability.

Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact.