Defense Science and Technology Internship Graduate Student - Summer 2026

Join Lawrence Livermore National Laboratory (LLNL) to contribute to US security. This graduate student internship offers practical research experience in fields like nuclear physics, radiation transport, hydrodynamics, astrophysics, plasma dynamics, numerical methods, and computer science. You will develop scientific software, work with mentors, and present your research. The role may offer a hybrid schedule, blending in-person and virtual presence, allowing flexibility to work from home.

Must Have

• 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.
• Present your work at a poster session.
• Work on projects of greater complexity and given more freedom and responsibility to come up with fundamental solutions.
• Currently enrolled in an accredited university pursuing a graduate degree or completed Bachelor's/Master's in Physics, Engineering, Mathematics, Computer Science or related field.
• Experience applying basic principles of physics, engineering and/or computer science to solve technical problems.
• Excellent written and oral communication skills.
• Ability to work effectively in a team environment.
• Math, Physics and Engineering majors should intend to complete a Ph.D.
• Track record of achievement in their field of study.

Good to Have

• Coding experience (e.g., Python, C++).
• GPA of 3.5 or above.

Perks & Benefits

• Holiday Pay
• Sick leave accrual
• Individual 401(k) contributions

Company Description

Join us and make YOUR mark on the World!

Are you interested in joining some of the brightest talent in the world to strengthen the United States’ security? Come join Lawrence Livermore National Laboratory (LLNL) where our employees apply their expertise to create solutions for BIG ideas that make our world a better place.

We are dedicated to fostering a culture that values individuals, talents, partnerships, ideas, experiences, and different perspectives, recognizing their importance to the continued success of the Laboratory’s mission.

Pay

$9,950 Monthly

Please note that the pay is determined by California’s Computer Professional Exemption.

Job Description

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.
• Present your work at a poster session.
• Work on projects of greater complexity and given more freedom and responsibility to come up with fundamental solutions.
• Perform other duties as assigned.

Qualifications

• 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.

Qualifications We Desire

• Coding experience (e.g., Python, C++).
• GPA of 3.5 or above.

Application Deadline March 06, 2026

Additional Information

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

Why Lawrence Livermore National Laboratory?

• Included in 2025 Best Places to Work by Glassdoor!
• Holiday Pay
• Sick leave accrual
• Individual 401(k) contributions
• Our values - visit https://www.llnl.gov/inclusion/our-values

Security Clearance

None required. However, if your assignment is longer than 179 days cumulatively within a calendar year, you must go through the Personal Identity Verification process. This process includes completing an online background investigation form and receiving approval of the background check. (This process does not apply to foreign nationals.)

National Defense Authorization Act (NDAA)

The 2025 National Defense Authorization Act (NDAA), Section 3112, generally prohibits citizens of China, Russia, Iran and North Korea without dual US citizenship or legal permanent residence from accessing specific non-public areas of national security or nuclear weapons facilities. The restrictions of NDAA Section 3112 apply to this position. To be qualified for this position, Candidates must be eligible to access the Laboratory in compliance with Section 3112.

Pre-Employment Drug Test

External applicant(s) selected for this position must pass a post-offer, pre-employment drug test. This includes testing for use of marijuana as Federal Law applies to us as a Federal Contractor.

Wireless and Medical Devices

Per the Department of Energy (DOE), Lawrence Livermore National Laboratory must meet certain restrictions with the use and/or possession of mobile devices in Limited Areas. Depending on your job duties, you may be required to work in a Limited Area where you are not permitted to have a personal and/or laboratory mobile device in your possession. This includes, but not limited to cell phones, tablets, fitness devices, wireless headphones, and other Bluetooth/wireless enabled devices.

If you use a medical device, which pairs with a mobile device, you must still follow the rules concerning the mobile device in individual sections within Limited Areas. Sensitive Compartmented Information Facilities require separate approval. Hearing aids without wireless capabilities or wireless that has been disabled are allowed in Limited Areas, Secure Space and Transit/Buffer Space within buildings.