Defense Science and Technology Internship Undergraduate Student - Summer 2026

Company Description

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.

Job Description

We have multiple openings for undergraduate students 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 Principal 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 close supervision on assigned projects.
• Present a required oral presentation of each project at the end of the summer.
• Present your work at a poster session.
• Perform other duties as assigned.

Qualifications

• Must be currently enrolled in an accredited university and actively pursuing an undergraduate degree in Physics, Engineering, Mathematics, Computer Science or a related field.
• Ability to apply basic principles of physics, engineering and/or computer science to solve technical problems.
• Effective written and oral communication skills.
• Ability to work effectively in a team environment.

Qualifications We Desire

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

Application Deadline March 06, 2026

Pay Range

$23.26 - $31.62 Hourly for the 705.1 level
$26.22 - $33.38 Hourly for the 714.0 level

This position is under a step structure.  Please note that the step placement is determined by your most recent completed academic year. 

Additional Information

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
• Our values - visit https://www.llnl.gov/inclusion/our-values 

Security Clearance

None required.  However, this position involves U.S. Export Control; this work must be performed by a U.S. person (U.S. citizen, U.S. lawful permanent resident, U.S. national, or U.S. protected individual (e.g., refugee, asylee)).

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.)

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.

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