Staff Physics Programmer, C++ – Modeling & Simulation

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Stellenbeschreibung:

Architect and implement the core C++ runtime behind a large-scale, interactive wargaming platform

Own the structure, performance, and long-term health of a substantial engine codebase

Design and evolve an entity-component-system architecture for large numbers of heterogeneous simulation entities

Build data-oriented component storage, entity lifecycle management, system queries, execution graphs, and dependency-aware scheduling

Define engine interfaces for physics, AI, sensor, weapon, behavior, and environmental models

Create stable extension points for model developers without destabilizing the engine core

Design simulation loops, time stepping, event processing, system ordering, state transitions, and deterministic replay

Develop multithreaded and task-based execution systems

Optimize memory layout, allocation, cache locality, component access, serialization, and data movement

Profile and improve CPU utilization, memory use, latency, throughput, and simulation rate against explicit performance budgets

Build spatial indexing, broad-phase query, collision-candidate, visibility, and proximity-query infrastructure

Integrate externally developed physics and mathematical models into a consistent runtime

Develop checkpointing, snapshotting, state replication, save-and-restore, and reproducible replay systems

Establish architecture for networked and distributed simulation, including ownership, synchronization, prediction, and state transfer

Build tooling for entity inspection, system debugging, model-cost profiling, and simulation-state analysis

Identify and eliminate architectural bottlenecks as scale and complexity increase

Lead engine design reviews, mentor programmers, and raise standards for C++ architecture and performance engineering

Remain hands-on in implementation, profiling, debugging, and code review

Work on Code Metal's next-generation wargaming and decision-support platform used to help the Department of War make force-design decisions

Requirements

Extensive professional C++ development experience, or equivalent experience, building performance-critical production software

Significant experience in commercial game development, game-engine development, or a similarly performance-constrained real-time environment

Experience shipping at least one commercial game, engine, platform, or interactive real-time product

Demonstrated ownership of foundational engine systems rather than primarily gameplay features, scripting, tools, or application-level integrations

Experience building or substantially extending a physics engine, game engine, simulation runtime, ECS, job system, or comparable core technology

Expert command of modern C++, including object lifetimes, ownership, templates, concurrency, synchronization, profiling, and low-level debugging

Strong understanding of data-oriented design, memory layout, cache behavior, allocation strategies, and performance-sensitive data structures

Experience designing or extending an entity-component system or comparable composition-based runtime architecture

Experience with engine loops, execution graphs, task systems, event systems, dependency management, or runtime scheduling

Demonstrated ability to optimize against hard CPU, memory, latency, and frame- or tick-time budgets

Experience using commercial profiling and debugging tools to diagnose CPU stalls, memory issues, thread contention, allocation problems, and cache inefficiencies

Working knowledge of real-time physics concepts such as coordinate systems, numerical integration, collision detection, spatial partitioning, constraints, and simulation stability

Experience designing APIs, plugin systems, SDKs, or extension frameworks used by other programmers

Experience maintaining and improving a large C++ codebase while continuing to deliver production capabilities

Experience leading major technical initiatives while remaining an active individual contributor

Active Secret clearance or eligibility to obtain one

7+ years of experience for Staff level

Strongly preferred: experience with SIMD, GPU compute, custom allocators, job systems, lock-free structures, or platform-specific optimization

Strongly preferred: experience supporting very large worlds or simulations containing large numbers of active entities

Strongly preferred: experience with engine-level serialization, snapshotting, replay, world partitioning, or streaming

Strongly preferred: familiarity with aerospace, robotics, autonomy, and defense simulations

Strongly preferred: experience supporting Air Force, Space Force, joint, or broader DoW acquisition and mission-analysis programs

Strongly preferred: experience developing models for sensors, weapons, electronic warfare, jamming, communications, logistics, or command and control

Strongly preferred: active U.S. security clearance (Secret, Top Secret, or SCI/SAP)

U.S. work authorization and security-clearance eligibility may be required for certain project assignments

Core Competencies

Demonstrates extensive expertise in C++ development, particularly in performance-critical environments, with a strong focus on engine architecture, optimization, and real-time simulation. Capable of leading technical initiatives while actively contributing to the implementation and maintenance of complex systems.