Controller

Vannevar is a defense technology company building AI to deter our adversaries. In the 21st century, conflict moves at algorithmic speed and foresight equals firepower. Our agentic AI is purpose-built to compete with China—from cross-Strait conflict to gray zone coercion. Trained on the most mission-relevant datasets in defense, our technology models adversary behavior, simulates campaigns, and recommends the best course of action to decision makers. Our AI systems are some of the most trusted in the industry and actively used on the front lines of the Indo-Pacific to keep the peace and save lives. Exceptional technology starts with exceptional people. Vannevar is a small agile team combining world-class engineers with veteran strategists who bring deep expertise in defense and tradecraft. We’re building a company defined by mission impact, user empathy, and disciplined growth. In just three years, we grew from $3M to $80M in ARR, achieved early profitability, and reached unicorn status—proving that disruption doesn’t require an ego, and staying power doesn’t mean standing still. About the role We're looking for our first controller to help us bring order to chaos. You are ambitious and thrive in a fast-paced and quickly evolving environment, but are also detailed, process oriented, and organized. You are strategic. You’re focused on where we’re going and build the plans and processes to support our goals. You are analytically rigorous. You have a deep bias towards using data and analyses to drive decisions. Your second language is performance metrics and you have a deep understanding of how to continue improving those metrics. You’re excited to iterate. At this point we’re still learning. You’re energized by the prospect of creating new tools and processes to make the company operate more effectively, and not afraid to make changes when the first, or second, attempt can be improved. As the Controller, you’ll work not only on traditional accounting tasks – monthly cl