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INTERNSHIP DETAILS

Prompt Engineering Intern

CompanyAnduril Industries

LocationCosta Mesa

Work ModeOn Site

PostedDecember 19, 2025

Internship Information

Core Responsibilities

The intern will work with the Thunderforge team to build better prompts and agent architecture for AI-enabled wargaming. Responsibilities may include developing classical optimizers, geospatial AI benchmarks, and evaluation tools for LLMs.

Internship Type

full time

Company Size

6443

Visa Sponsorship

Language

English

Working Hours

40 hours

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About The Company

Anduril is not a traditional defense contractor. We are shaping the future of defense, transforming US & allied military capabilities with advanced technology. We emphasize speed and results and control our products from start to finish, including funding R&D to selling finished products off the shelf. Today, Anduril is in a rapid growth phase, deploying technology in diverse locations and developing path-making products that will change defense forever. We believe that everyone at Anduril can be a catalyst. Your perspective can change lives, and we want to help you make your mark. Our team includes thinkers and doers working interdependently. We bring the brightest minds and best-in-class talent together with veterans who have lived the problems of our warfighters. If you like building quickly and seeing your work deployed in the real world, we want you at Anduril. With offices in Orange County, Washington DC, Seattle, Boston, Atlanta, London, and Sydney, our reach is wide. Check out our careers page at https://www.anduril.com/careers or send us an email at careers@anduril.com.

About the Role

<div class="content-intro">Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century’s most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril’s family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and control center. As the world enters an era of strategic competition, Anduril is committed to bringing cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not years.</div>The Thunderforge team aims to augment and enhance the wargaming process at the DOW Headquarters level using modern AI and ML technologies. This is a cutting edge team working on projects that have high visibility by key military decision makers, Anduril leadership, and may be one of the most impactful use cases of AI in the US DOW. <a href="https://spectrum.ieee.org/thunderforge-ai-wargames-dod">https://spectrum.ieee.org/thunderforge-ai-wargames-dod</a> <a href="https://sentry-magazine.com/u-s-militarys-new-ai-project-aims-to-speed-commander-decisions/">https://sentry-magazine.com/u-s-militarys-new-ai-project-aims-to-speed-commander-decisions/</a> <a href="https://www.govconwire.com/articles/thunderforge-dod-scale-ai-prime-prototype-contract">https://www.govconwire.com/articles/thunderforge-dod-scale-ai-prime-prototype-contract</a> The Prompt Engineer Intern role is a one-of-one position that will embed in the Thunderforge team to build better prompts and agent architecture in support of AI enabled Wargaming. This role converts to a Junior Applied ML Engineer position based on return offer. WHAT YOU’LL DO (will be one or two of the below): <ul> <li>Classical optimizers and non-LLM ML algorithm</li> <li>Geospatial abilities of AI and creating benchmarks</li> <li>Building test and evaluation tooling to measure the effectiveness of LLMs applied to the Wargaming problem space.</li> </ul>   REQUIRED QUALIFICATIONS: <ul> <li>Must be a 3rd or 4th year undergrad student, or Masters or PhD student, with a focus in machine learning/artificial intelligence</li> <li>Must have taken at least 1 upper division machine learning class</li> <li>Must have previous Applied ML or LLM adjacent internship</li> <li>Must have previously worked with LLM Agent Graphs, Classical optimizers, or Fine tuned an LLM</li> <li>U.S. Person status is required as this position needs to access export controlled data</li> <li>Bonus: you have worked in GIS/geospatial</li> </ul><div class="content-conclusion">  The salary range for this role is an estimate based on a wide range of compensation factors, inclusive of base salary only. Actual salary offer may vary based on (but not limited to) work experience, education and/or training, critical skills, and/or business considerations. Highly competitive equity grants are included in the majority of full time offers; and are considered part of Anduril's total compensation package. Additionally, Anduril offers top-tier benefits for full-time employees, including:  Healthcare Benefits  <ul> <li>US Roles: Comprehensive medical, dental, and vision plans at little to no cost to you. </li> <li>UK & AUS Roles: We cover full cost of medical insurance premiums for you and your dependents. </li> <li>IE Roles: We offer an annual contribution toward your private health insurance for you and your dependents. </li> </ul> Additional Benefits  <ul> <li>Income Protection: Anduril covers life and disability insurance for all employees. </li> <li>Generous time off: Highly competitive PTO plans with a holiday hiatus in December. Caregiver & Wellness Leave is available to care for family members, bond with a new baby, or address your own medical needs. </li> <li>Family Planning & Parenting Support: Coverage for fertility treatments (e.g., IVF, preservation), adoption, and gestational carriers, along with resources to support you and your partner from planning to parenting. </li> <li>Mental Health Resources: Access free mental health resources 24/7, including therapy and life coaching. Additional work-life services, such as legal and financial support, are also available. </li> <li>Professional Development: Annual reimbursement for professional development </li> <li>Commuter Benefits: Company-funded commuter benefits based on your region. </li> <li>Relocation Assistance: Available depending on role eligibility. </li> </ul> Retirement Savings Plan  <ul> <li>US Roles: Traditional 401(k), Roth, and after-tax (mega backdoor Roth) options. </li> <li>UK & IE Roles: Pension plan with employer match. </li> <li>AUS Roles: Superannuation plan. </li> </ul> The recruiter assigned to this role can share more information about the specific compensation and benefit details associated with this role during the hiring process.  To view Anduril's candidate data privacy policy, please visit <a href="https://anduril.com/applicant-privacy-notice/">https://anduril.com/applicant-privacy-notice/</a>. </div>

Key Skills

Machine LearningArtificial IntelligenceApplied MLGeospatialGISWargamingData StreamsAIML AlgorithmsTest and Evaluation ToolingLattice OSSensor FusionComputer VisionNetworking TechnologyAutonomy