Prompt Engineering Intern

Anduril Industries
Costa Mesa, California, United StatesPosted 24 February 2026

Job Description

<div class="content-intro"><p>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.</p></div><p>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. <br><br><a href="https://spectrum.ieee.org/thunderforge-ai-wargames-dod">https://spectrum.ieee.org/thunderforge-ai-wargames-dod</a><br><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><br><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></p> <p>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.<br><br><strong>WHAT YOU’LL DO </strong>(will be one or two of the below):</p> <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> <p> </p> <p><strong>REQUIRED QUALIFICATIONS:</strong></p> <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"><p><span data-contrast="auto">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:</span><span data-ccp-props="{"134233117":false,"134233118":false,"335551550":0,"335551620":0,"335559738":240,"335559739":240}"> </span></p> <p><strong><span data-contrast="auto">Healthcare Benefits </span></strong></p> <ul> <li><strong><span data-contrast="none">US Roles:</span></strong><span data-contrast="none"> Comprehensive medical, dental, and vision plans at little to no cost to you.</span><span data-ccp-props="{"134233117":false,"134233118":false,"335551550":0,"335551620":0,"335559738":0,"335559739":0}"> </span></li> <li><strong><span data-contrast="none">UK AUS Roles:</span></strong><span data-contr ... (truncated, view full listing at source)