AI Engineer, U.S. Government | Washington, DC | $200k-$300k total compTop Secret Clearance is a must Build AI that is deployed directly into the Pentagon, at startup pace, with one of the fastest-growing AI companies in the US.The Company A fast-growing AI company, supplying the training data and pipelines the leading frontier AI labs use to post-train their modelsEntered the US Government with three contracts live and government central to its long-term strategyHolds a facility clearance and works on senior-level, high-visibility national security programmesThe RoleJoin a forward-deployed AI engineering team embedded with the Chief Digital and AI Office on a rapid prototyping programmeWork directly with Pentagon departments to understand their problems and translate them into AI solutionsBuild and deploy AI agents and applications in sprints of a couple of months, from prototype to productionOwn systems end to end, from discovery and architecture through deployment, security and iterationJoin a team of three scaling to ten or more, reporting to the Director of ResearchWhat We’re Looking ForHands-on experience building AI agents, deep learning models and fine-tuned LLMs, deployed into productionStrong Python engineering, with a track record of shipping systems that people useCustomer-facing engineering or forward deployed experienceDefence tech, Intelligence Community, military or US Government backgroundExperience delivering applications into DoW, IC or government environmentsActive TS/SCI clearance preferred; Secret consideredBased in, or willing to relocate to, the DC area, and able to work from the Pentagon three to four days a weekHow to ApplyApply with an up-to-date CV, or contact Tom Brammer at tombrammer@harnham.com for a confidential conversation.