Customer Success Engineer, Battle Road [Ft. Leavenworth]

ABOUT ONEBRIEF Onebrief is collaboration and AI-powered workflow software designed specifically for military staffs. By transforming this work, Onebrief makes the staff as a whole superhuman - meaning faster, smarter, and more efficient. We take ownership, seek excellence, and play to win with the seriousness and camaraderie of an Olympic team. Onebrief operates as an all-remote company, though many of our employees work alongside our customers at military commands around the world. Founded in 2019 by a group of experienced planners, today, Onebrief’s team spans veterans from all forces and global organizations, and technologists from leading-edge software companies. We’ve raised $320m+ from top-tier investors, including Battery Ventures, General Catalyst, Sapphire Ventures, Insight Partners, and Human Capital, and today, Onebrief is valued at $2.15B. With this continued growth, Onebrief is able to make an impact where it matters most. POSITION OVERVIEW At Battle Road, we’re building the next generation of military modeling and simulation technology through AtomEngine, our modern, game-engine-based platform. We are replacing decades-old legacy systems with a more accurate, flexible, and operationally relevant simulation environment. Our technology is already being used in major U.S. military training exercises and command environments. We are seeking a Customer Success Engineer who wants their technical work to directly influence how military leaders train, plan, and make decisions. This is not a traditional customer success role. This is mission-facing engineering. ABOUT THE ROLE As a Customer Success Engineer, you operate at the intersection of engineering and mission execution. You will deploy into real-world military training environments, including Secret and air-gapped systems. You will configure, extend, and troubleshoot AtomEngine in high-visibility settings while also contributing directly to engineering improvements that support customers. You may be standing in front of senior officers, fielding questions, adapting simulations live, and ensuring the platform performs under pressure. You are the last mile between cutting-edge simulation technology and the warfighter. If you take pride in how you show up, remain composed in challenging environments, and enjoy earning trust and building advocates, this role will challenge and reward you. WHAT YOU WILL DO You will operate at the tip of the spear between technology and mission execution. - Deploy AtomEngine into live military training environments, including classified and air-gapped systems - Work directly onsite at Ft. Leavenworth embedded with customers to learn their needs and iterate alongside them. - Support integration and connectivity between AtomEngine and partner systems, including troubleshooting APIs, networking, and infrastructure dependencies - Configure and extend entities, features, behaviors, sensors, and operational scenarios through AtomEngine tooling and scripting to reflect real-world requirements - Troubleshoot technical issues in real time during high-visibility exercises, sometimes in front of large audiences - Implement technical fixes to ensure software functions optimally for upcoming customer exercises - When not supporting active exercises, proactively identify and implement improvements from the enhancement backlog. This role will contribute directly to the coding backlog along side Software Engineering team using coding languages like Godot, C++, C# and Python - Explain technical concepts clearly to military stakeholders, partners, and internal teams when supporting deployments, troubleshooting, and exercise execution - Engage constructively with key stakeholders and respond to challenging questions with clarity and professionalism - Translate real-world friction into actionable feedback for Product and Engineering by articulating not just what is needed, but the military context and operational priority of that feature so software engineer