Computing Graduate Student Intern - Fall 2026

Join us and make your mark on the world! Lawrence Livermore National Laboratory (LLNL) advances science and technology to strengthen U.S. security and promote global stability. Our mission spans nuclear deterrence, threat preparedness, energy security, and multi-domain defense, empowering teams to tackle today’s and tomorrow’s toughest challenges. With a culture built on innovation and operational excellence, LLNL is where your expertise can drive real impact.

About the role

We have multiple openings for our Computing Fall Graduate Internship Program, taking place from September 1, 2026 through December 18, 2026. These positions are intended for students who have earned their bachelor’s degree and will be enrolled in a graduate program by Winter/Spring 2027. Interns will participate in hands-on research supporting their educational and professional development, playing a key role in providing technical and/or research support to projects in computational science, cyber defense, computer science, numerical methods, mathematics, and related STEM disciplines. Depending on your assignment, this position may offer a hybrid schedule, blending in-person and virtual presence with flexibility to work from home one or more days per week.

Responsibilities

• Provide technical and/or research support to projects in computational science, cyber defense, computer science, numerical methods, mathematics, and related STEM disciplines, collaborating with scientists, engineers, and technical staff.
• Support documentation, testing, creation, or modification of Laboratory software, hardware, or computer operating systems.
• Conduct research in assigned area under limited direction and supervision.
• Perform technical assignments of basic to moderate complexity and provide technical support to scientists working on scientific research and development projects.
• Attend relevant seminars (at least one per week).
• Present work through presentations and/or poster sessions.
• Perform other duties as assigned.

Requirements

• Must be eligible to access the Laboratory in compliance with Section 3112 of the National Defense Authorization Act (NDAA).
• Must be a continuing college student in good standing at an accredited institution pursuing a graduate degree by Winter/Spring 2027 in Computer Science, Mathematics, Data Science, Machine Learning, Cybersecurity, or other related STEM fields.
• Proven ability to adapt and thrive in challenging situations, demonstrating resilience and problem-solving skills.
• Ability to apply computational science and/or mathematical principles to solve technical problems.
• Demonstrated academic achievement in a scientific curriculum.
• Effective communication skills and ability to present concepts and ideas.
• Experience applying advanced computational science and/or mathematical principles to solve technical problems.
• Experience working with computers and familiarity with Microsoft Word, Excel, and PowerPoint.
• Ability to work in a team environment.
• Must be age 18 or older at the start of the internship.
• Must have a GPA of 3.0 or higher.

Pay

$10,215 monthly. Pay is determined by California’s Computer Professional Exemption.

Benefits

• Included in 2026 Best Places to Work by Glassdoor.
• Holiday pay.
• Sick leave accrual.
• Individual 401(k) contributions.

Additional Information

Security clearance: None required. However, if your assignment exceeds 179 days cumulatively within a calendar year, you must complete the Personal Identity Verification process, including an online background investigation form and approval of the background check.

The 2025 National Defense Authorization Act (NDAA), Section 3112, generally prohibits citizens of China, Russia, Iran, and North Korea without dual U.S. citizenship or legal permanent residence from accessing specific non-public areas of national security or nuclear weapons facilities. This restriction applies to this position.

External applicants selected for this position must pass a post-offer, pre-employment drug test, including testing for marijuana use as federal law applies to us as a federal contractor.

Depending on job duties, you may be required to work in Limited Areas where personal and/or laboratory mobile devices (e.g., cell phones, tablets, fitness devices, wireless headphones) are not permitted. Medical devices that pair with mobile devices must still comply with these restrictions unless wireless capabilities are disabled. Hearing aids without wireless capabilities are allowed in Limited Areas, Secure Space, and Transit/Buffer Space within buildings.