Staff Game Engine Engineer

Onebrief Inc.

Job Overview

Location

United States | Remote

Job Type

Full-time

Full Job Description

📋 Description

• Serve as a technical leader for AtomEngine, Onebrief’s proprietary cloud-based game engine, defining its technical vision and architectural direction to support simulation, AI, and modeling capabilities across the organization.
• Own and drive the design and evolution of core engine systems including runtime, editor tooling, performance infrastructure, and platform scalability to ensure long-term extensibility and performance.
• Establish and champion engineering standards, architectural principles, and development best practices across the entire engine codebase to improve maintainability and developer productivity.
• Lead complex, cross-functional technical initiatives that span simulation, AI, platform, and product engineering teams, aligning stakeholders and driving execution from concept through delivery.
• Identify and prioritize high-leverage investments that enhance engine performance, reliability, scalability, and developer workflows in large, distributed codebases.
• Partner closely with engineering leadership and cross-functional teams to balance short-term product delivery needs with long-term platform strategy and technical debt reduction.
• Proactively identify architectural bottlenecks, technical risks, and scaling challenges, developing pragmatic, forward-looking strategies to mitigate them before they impede growth.
• Mentor and guide junior and mid-level engineers through design reviews, technical guidance, and knowledge sharing to elevate team capabilities and foster a culture of excellence.
• Ensure AtomEngine remains performant and scalable as the platform evolves to support increasing complexity in military simulations and modeling applications.
• Contribute to the development of developer tooling and asset pipelines that enable multiple teams to build effectively on the engine platform.
• Maintain deep technical ownership of game engine subsystems including rendering, ECS frameworks, data-oriented design, and runtime systems.
• Ship and support complex live-service products with high availability and reliability requirements in a production environment.
• Communicate technical tradeoffs clearly to non-technical stakeholders and translate organizational priorities into actionable engineering roadmaps.
• Collaborate with teams working alongside military commands to ensure engine capabilities meet operational and mission-critical requirements.
• Drive adoption of modern game engine technologies and patterns, leveraging experience with Unity, Unreal Engine, Godot, or equivalent platforms to inform AtomEngine’s evolution.
• Balance rapid iteration and delivery with sustainable engineering practices to maximize both engineering velocity and system health over time.

🎯 Requirements

• 9+ years of professional software engineering experience, including significant experience developing game engines, simulation platforms, or other performance-critical systems
• Demonstrated experience owning the architecture and technical direction of large-scale engine, platform, or infrastructure systems
• Deep understanding of game engine architecture, including rendering, ECS frameworks, data-oriented design, tooling, asset pipelines, or runtime systems
• U.S. Citizenship is required due to federal contract requirements
• Proven track record leading complex technical initiatives that require alignment across multiple teams and stakeholders
• Strong experience optimizing performance, scalability, reliability, and developer workflows in large codebases

🏖️ Benefits

• Work as part of an all-remote company with a team spanning veterans from all military forces and technologists from leading-edge software companies
• Contribute to a $2.15B-valued company backed by top-tier investors including Battery Ventures, General Catalyst, Sapphire Ventures, Insight Partners, and Human Capital
• Apply state-of-the-art innovations from the video game industry to build the future of military simulations and modeling
• Opportunity to work alongside customers at military commands around the world

Skills & Technologies

Senior

Remote

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Onebrief Inc.

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About Onebrief Inc.

Onebrief develops AI-driven software that creates, updates, and synchronizes military campaign plans across classified and coalition networks. Its platform ingests doctrine, intelligence, and logistics data to generate living briefings, timelines, and risk assessments for joint and allied forces. Designed for secure environments, the system replaces static slide decks with interactive, version-controlled plans that adapt to real-time information, enabling faster decision cycles and unified command intent during multi-domain operations.

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