We have multiple openings for undergraduate students to join the Cyber and Critical Infrastructure Summer Institute (CSI) and to work on topics related to critical infrastructure security and resilience that align with LLNL’s national security missions. The 2027 CSI program will run during the summer with a range of start dates between May 17, 2027, and June 21, 2027, and flexible end dates through September 24, 2027. CSI is designed to provide selected candidates an opportunity to apply their skills to projects in areas of national importance such as critical infrastructure risk analysis and security, energy infrastructure modernization and resilience, and defense critical infrastructure. The program will include opportunities to participate in professional and technical development activities with lab Subject Matter Experts, network with fellow interns and lab employees, and learn about the breadth of LLNL’s support to US national security. In this role, you will Provide technical and/or research support to projects in the areas of critical infrastructure analysis, modeling, and simulation; cybersecurity; and other related fields working with scientists, engineers, and technical staff members. Support development, testing, and documentation of Laboratory methodologies and capabilities. Participate in research under close supervision in one or more of the following areas, as assigned: risk and/or decision analysis infrastructure modeling and/or simulation threat and/or hazard modeling data analysis open-source research and analysis systems engineering system decomposition operations research and/or optimization artificial intelligence/machine learning Perform technical assignments of a basic degree of complexity and provide technical support to scientists in scientific research and development projects. Attend relevant on-site seminars and training classes (at least one per week). Present work through presentations and/or poster sessions. Perform other duties as assigned.