Onebrief

Consequential Work. Dedicated People. About Onebrief Onebrief builds collaboration and AI-powered workflow software for military planning and operational coordination. Today, many critical planning workflows still rely on fragmented systems, static documents, and disconnected tools that make collaboration and decision-making unnecessarily difficult. Onebrief brings modern software, AI, and real-time collaboration into those environments, helping teams operate with greater clarity, coordination, and adaptability in situations where decisions carry real-world consequences. We are a distributed team of builders from military, operational, and technology backgrounds who care deeply about improving how important work gets done. Some team members work remotely, while others work directly alongside customers in operational environments around the world. Founded in 2019, Onebrief is backed by leading investors including General Catalyst, Battery Ventures, Insight Partners, Sapphire Ventures, and Human Capital. Valued at more than $2 billion, we continue to invest in product innovation, AI capabilities, and team growth. Battle Road Digital, part of Onebrief, applies state-of-the-art innovations and experience from the video game industry to build the future of simulations, modeling, and operations with AtomEngine – our proprietary cloud-based game engine that’s making the world playable. Security Clearance, Location, and Onsite Notice:This role requires regularly working on-site at customer locations in Fort Leavenworth, Kansas. If you are not currently within commuting distance, you must be willing to relocate (note that Onebrief will provide relocation assistance). Eligibility to obtain a Secret Clearance is required. We’re looking for a highly motivated, technically minded Game and Hardware Tester to help us build the Atom Engine - a new generation of game engine that's cloud first. AtomEngine brings turnkey solutions for simulating millions of entities in a persistent, comprehensive, planet-scale sandbox. Specifically, we are looking for a game developer hobbyist or tinkerer type that is comfortable and proficient in writing gameplay scripts or has a passion for creating mods for games. This role will focus on testing AtomEngine’s ModKit that customers use to customize and extend AtomEngine for anything they can dream up! Come join our small, expert team of technologists, game developers, and innovators as we shape the future! What You'll Do Learn to use and master AtomEngine to create and run war-game scenarios in single-player and multi-player configurations. - Identify bugs, provide feedback, and identify opportunities for improvement in AtomEngine and in Battle Road’s processes. - Perform a variety of Testing tasks in a timely, efficient, and thorough manner. - Tasks include Load Testing, Stability Testing, Functionality Testing, and other tasks as needed. - Communicate effectively with team members to learn new systems quickly, get & stay unblocked, and provide actionable test results in real time. - Be agile and adaptive to the demands of fast-moving workflows, priorities, and deliverables. - Work with Test leadership to create and maintain clear, detailed test plans and procedures. - Test AtomEngine’s Developer Mod Kit, identifying and reporting bugs as well as providing feedback to ensure the best user experience possible. What we look for - Experience as a game developer hobbyist, using scripting and visual scripting tools like Unreal Blueprints and/or preferably, GDScript. - Familiarity with PC gaming hardware - Strong organizational skills - 3 to 5 years of experience in video game quality assurance, with a strong understanding of QA principles, methodologies, and processes. - Proficiency in using industry-standard testing tools and software, such as version control systems, bug tracking systems, and test management tools. - Strong attention to detail and analytical skills, with the ability to identify and prioritize testing activities based on project requirements and objectives. - Concise, effective communication skills (spoken and written). - Requirement to be on-site in Fort Leavenworth, Kansas 3 days per week - Active Secret Clearance - Due to federal contract requirements, U.S. Citizenship is mandatory for this position. Notice to Third Party Recruitment Agencies Please note that Onebrief does not accept unsolicited resumes from recruiters or employment agencies. In the absence of an executed Recruitment Services Agreement, there will be no obligation to any referral compensation or recruiter fee. In the event a recruiter or agency submits a resume or candidate without an agreement Onebrief explicitly reserves the right to pursue and hire those candidate(s) without any financial obligation to the recruiter or agency. Any unsolicited resumes, including those submitted to hiring managers, shall be deemed the property of Onebrief.

Consequential Work. Dedicated People. About Onebrief Onebrief builds collaboration and AI-powered workflow software for military planning and operational coordination. Today, many critical planning workflows still rely on fragmented systems, static documents, and disconnected tools that make collaboration and decision-making unnecessarily difficult. Onebrief brings modern software, AI, and real-time collaboration into those environments, helping teams operate with greater clarity, coordination, and adaptability in situations where decisions carry real-world consequences. We are a distributed team of builders from military, operational, and technology backgrounds who care deeply about improving how important work gets done. Some team members work remotely, while others work directly alongside customers in operational environments around the world. Founded in 2019, Onebrief is backed by leading investors including General Catalyst, Battery Ventures, Insight Partners, Sapphire Ventures, and Human Capital. Valued at more than $2 billion, we continue to invest in product innovation, AI capabilities, and team growth. Battle Road Digital, part of Onebrief, applies state-of-the-art innovations and experience from the video game industry to build the future of simulations, modeling, and operations with AtomEngine – our proprietary cloud-based game engine that’s making the world playable. Security Clearance, Location, and Onsite Notice:This role requires regularly working on-site at customer locations in Orlando, Florida (UCF area). If you are not currently within commuting distance, you must be willing to relocate (note that Onebrief will provide relocation assistance). Eligibility to obtain a Secret Clearance is required. We’re looking for a highly motivated, self-driven, and technically minded Game and Hardware Tester to help us build AtomEngine, a next-generation, cloud-first game engine. AtomEngine delivers turnkey solutions for simulating millions of entities within a persistent, planet-scale sandbox environment. Specifically, we’re looking for someone with a passion for game development, modding, or technical tinkering; someone comfortable writing gameplay scripts, working with visual scripting systems, or creating game mods as a hobby or profession. In this role, you will focus on testing AtomEngine’s Developer Mod Kit and customer-created Mods used to customize and extend the platform in creative and innovative ways. Join our small, expert team of technologists, game developers, and innovators as we shape the future. What You’ll Do - Learn and master AtomEngine to create and execute war-game scenarios in both single-player and multiplayer environments. - Identify bugs, provide actionable feedback, and recommend improvements to AtomEngine and Battle Road’s internal processes. - Perform a variety of testing tasks in a timely, efficient, and thorough manner. - Execute load testing, stability testing, functionality testing, and other testing activities as needed. - Communicate effectively with team members to quickly learn new systems, remove blockers, and provide actionable test results in real time. - Adapt quickly to fast-moving workflows, shifting priorities, and evolving deliverables. - Partner with test leadership to create and maintain clear, detailed test plans and testing procedures. - Test AtomEngine’s Developer Mod Kit by identifying and reporting bugs, validating functionality, and providing feedback to improve the user experience. - Test AtomEngine with and without customer-created Mods, documenting performance impacts, compatibility issues, and overall functionality changes. What We Look For - Experience as a game development hobbyist or technical tinkerer, including scripting or visual scripting experience with tools such as Unreal Blueprints and, preferably, GDScript. - Familiarity with PC gaming hardware. - Strong organizational skills and a high degree of self-direction. - Extensive experience in video game quality assurance across multiple titles, with a strong understanding of QA principles, methodologies, and processes. - Proven proficiency with industry-standard testing tools and software, including version control systems, bug tracking systems, and test management tools. - Strong attention to detail and analytical skills, with the ability to identify and prioritize testing activities based on project requirements and objectives. - Clear and effective written and verbal communication skills. - Ability to work autonomously and asynchronously while providing regular progress updates and test results to test leadership. - Willingness and ability to obtain a Security Clearance. - Due to federal contract requirements, U.S. citizenship is required for this position. Onsite in Orlando, Florida. Notice to Third Party Recruitment Agencies Please note that Onebrief does not accept unsolicited resumes from recruiters or employment agencies. In the absence of an executed Recruitment Services Agreement, there will be no obligation to any referral compensation or recruiter fee. In the event a recruiter or agency submits a resume or candidate without an agreement Onebrief explicitly reserves the right to pursue and hire those candidate(s) without any financial obligation to the recruiter or agency. Any unsolicited resumes, including those submitted to hiring managers, shall be deemed the property of Onebrief.

• Manage a complex, shifting calendar and coordinate comprehensive travel arrangements to fully optimize the executive's daily schedule. • Ensure the executive is thoroughly prepared for all internal and external engagements by assembling meeting materials, presentations, and coordinating preparatory reviews. • Serve as the primary point of contact and liaison for internal teams and high-profile external stakeholders, managing sensitive correspondence with diplomacy and a clear understanding of the executive's voice. • Track ongoing priorities, align stakeholders, surface potential roadblocks early, and simplify decision-making processes across the enterprise and governance portfolio. • Establish repeatable administrative workflows to reduce friction and improve day-to-day operational efficiency across the team. • Provide hands-on assistance with special projects, research tasks, and corporate organizational initiatives as needed. • Maintain the highest level of confidentiality and discretion when handling sensitive legal, enterprise, and corporate governance information.

• Own RMF authorizations across Department of War components and FedRAMP High, alongside CMMC 2.0 and SOC 2 compliance for corporate systems • Maintain authorization and audit evidence, including SSPs, SARs, POA&Ms, STIGs, and control mappings • Partner with Engineering, Product, and Security to embed compliance requirements into system design and CI/CD workflows, not bolt them on afterward • Coordinate internal assessments and external audit readiness across all applicable frameworks • Track regulatory and contractual changes and advise leadership on what they mean for Onebrief • Run risk assessments and vendor/supply chain risk reviews across both federal and corporate environments

• Implement strategies that improve release integrity — from automation in CI/CD pipelines to validation processes that increase confidence in deployments. • Instrumenting quality health metrics and dashboards that give teams clear visibility into product stability, release readiness, and test effectiveness. • Driving internal tooling initiatives that improve the developer experience and enable teams to test, measure, and ship with higher confidence. • Partnering across engineering, infrastructure, and product to identify opportunities for system-level quality improvements and advocate for automation-first approaches. • Using data and experimentation to continuously refine our approach to quality and ensure we’re focusing on the most impactful areas. • Working with your fellow engineers to develop first class quality measures that align with overall quality strategy, with a focus on monitoring and observability

• Implement strategies that improve release integrity — from automation in CI/CD pipelines to validation processes that increase confidence in deployments. • Validate spatial algorithms, data accuracy, and system performance within our mapping platform. • Instrumenting quality health metrics and dashboards that give teams clear visibility into product stability, release readiness, and test effectiveness. • Driving internal tooling initiatives that improve the developer experience and enable teams to test, measure, and ship with higher confidence. • Partnering across engineering, infrastructure, and product to identify opportunities for system-level quality improvements and advocate for automation-first approaches. • Using data and experimentation to continuously refine our approach to quality and ensure we’re focusing on the most impactful areas. • Working with your fellow engineers to develop first class quality measures that align with overall quality strategy, with a focus on monitoring and observability

• Own the People partnership for assigned teams, advising leaders and managers on the people, team, and organizational needs required to build healthy, high-performing teams. • Build a deep understanding of the teams you support, including their priorities, operating rhythms, team dynamics, and execution challenges, and translate that context into practical people strategies. • Provide coaching on org design, team health, performance, communication, manager effectiveness, and change management, including through re-orgs and structural shifts. • Partner with leaders on workforce planning, role clarity, manager capacity, team structure, and future talent needs. • Help leaders identify and address team effectiveness issues, including decision-making, ownership, collaboration across functions, communication gaps, and unclear expectations. • Coach managers to build stronger habits around feedback, accountability, employee development, role clarity, and difficult conversations. • Partner with leaders and managers on career development, leveling expectations, promotion readiness, and consistent application of growth frameworks. • Run performance and goal-setting cycles, including supporting calibrations and promotion discussions. • Support employee relations topics with discretion, fairness, and clear guidance. • Build trust with employees across supported teams, understand employee sentiment, and help leaders respond to themes with clarity and action. • Partner across the People team on manager capability, development needs, onboarding, skill gaps, and employee lifecycle programs. • Use people data, including engagement, performance, retention, and attrition signals, to surface trends and recommend action to leaders. • Proactively identify people-related risks, gaps, and opportunities, and take initiative to drive practical, scalable solutions.

• Define and drive the technical vision and architecture of AtomEngine, ensuring the platform can support current and future simulation, AI, and modeling requirements. • Lead the design and evolution of core engine systems, frameworks, and developer tooling, establishing patterns that enable multiple teams to build effectively on the platform. • Own architectural decisions spanning engine runtime, editor tooling, performance infrastructure, and platform scalability. • Identify and drive high-leverage investments that improve performance, reliability, maintainability, and developer productivity across the engine ecosystem. • Lead complex technical initiatives that span multiple teams, aligning stakeholders and driving execution from concept through delivery. • Partner with simulation, AI, platform, and product engineering teams to ensure engine capabilities effectively support higher-level systems and organizational priorities. • Establish and champion engineering standards, architectural principles, and development best practices across the engine codebase. • Serve as a technical mentor and force multiplier for other engineers through design reviews, technical guidance, and knowledge sharing. • Proactively identify technical risks, architectural bottlenecks, and scaling challenges, developing pragmatic strategies to address them before they become constraints. • Balance short-term delivery objectives with long-term platform strategy, making thoughtful tradeoffs that maximize both engineering velocity and system health.

• Own onboarding and offboarding operations: Coordinate employee onboarding and offboarding activities, including account provisioning, access management, hardware deployment, recovery, and documentation updates. • Manage the hardware lifecycle: Track, maintain, deploy, recover, and replace company hardware while ensuring asset records remain accurate and up to date. • Tier 1 IT support: Serve as the first point of contact for IT support requests, troubleshooting user issues across devices, applications, accounts, and collaboration tools. Escalate complex issues to senior IT staff when appropriate. • Documentation ownership: Create, maintain, and improve IT how-to guides, knowledge base articles, standard operating procedures, and internal support documentation. • Application access and activity audits: Assist with periodic reviews of user access, application activity, and access recertification efforts to support security and compliance requirements. • Legal hold process support: Act as a point of contact for legal hold processes, coordinating with stakeholders to ensure devices, accounts, and data are preserved according to company procedures. • Expense and procurement administration: Process and reconcile IT-related receipts and purchases through Brex while maintaining appropriate records and documentation. • Support Jira administration: Assist with Jira configuration changes, user requests, workflow updates, and ongoing platform maintenance. • IT communications: Draft and distribute end-user communications regarding IT changes, outages, maintenance activities, new tools, and process updates.

Role Description Onebrief's infrastructure team owns the platform that delivers our software to military staffs. Our charter spans: - Kubernetes clusters in commercial and government cloud - Application streaming for thin-client users on classified networks - A unified artifact pipeline that signs and ships the same builds to every environment we operate - Air-gapped appliances at forward sites We're hiring an Infrastructure Engineer who builds security into the systems they operate rather than treating it as a separate workstream. You'll architect, build, and run the platform end to end. This includes: - RFCs, PRDs, and reviewing and writing production code alongside Product and Engineering teammates - Cloud-native deployments, edge appliances, data platforms, and the application streaming layer that puts Onebrief on classified environments - Partnering with Governance, Risk, and Compliance (GRC) and mission owners on STIGs, CVE remediation, audit prep, and controls work Success means a platform that stays up under real operational load, ships trusted artifacts to every profile we run, and passes audits without fire drills. Qualifications - 8+ years operating production infrastructure in DevOps/DevSecOps, Platform, SRE, Cloud, or Infrastructure role - Full-stack engineering experience when necessary, e.g., production experience designing, building, and operating services in a modern backend language (e.g., Go, Python, Rust, TypeScript) - Deep production Kubernetes experience: operators, networking, storage, multi-cluster operations, and a feel for what breaks at scale - Expertise with major cloud providers (e.g., Amazon AWS, Microsoft Azure), with strong instincts for designing across providers and profiles - Strong application and infrastructure security fundamentals: identity, network segmentation, secrets management, common vulnerability classes, and sound security judgment under ambiguity - Demonstrated ability to build working solutions from scratch, connect disparate applications together, and jump into existing code bases to add value - Experience packaging and shipping workloads into disconnected or air-gapped environments - Demonstrated leadership/mentorship experience - Ability to obtain a SECRET clearance Requirements - Active US SECRET or TOP SECRET security clearance (nice to have) - Government cloud expertise (AWS GovCloud, Azure Government) (nice to have) - FedRAMP, IL4/IL5, IL6, or JWICS environment exposure (nice to have) - Audit experience (FedRAMP, SOC 2, or equivalent) (nice to have) - Big data and distributed data experience (nice to have) - Prior experience supporting defense, intelligence, or other regulated industries (nice to have) Company Description 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.