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What is the difference between Defense Modeling Simulation vs Defense Systems Engineer?

AspectDefense Modeling SimulationDefense Systems Engineer
Required CredentialsBachelor's or higher in engineering, computer science, or related fields; often certifications in modeling and simulationBachelor's or higher in engineering, systems engineering, or related fields; certifications in systems engineering may be preferred
Work EnvironmentResearch labs, defense contractors, government agencies; focus on simulation development and analysisDesign, develop, and integrate defense systems; work in engineering teams within defense companies or military organizations
Employer & Industry UsagePrimarily in defense research, simulation development, and testingInvolved in system design, integration, and lifecycle management of defense platforms

Defense Modeling Simulation specialists focus on creating and analyzing simulations to test defense concepts, while Defense Systems Engineers design and develop actual defense systems. Both roles require engineering backgrounds but differ in their core responsibilities and work environments.

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Senior Software Engineer, Simulation Platform

Anduril Industries

Costa Mesa, CA

$131K - $173K/yr

Full-time

Re-posted 19 days ago

Anduril rating

9.1

Company rating: 9.1 out of 10

Anduril

Based on 17 frontline employees who took The Breakroom Quiz

7.4

Company rating compared to similar companies: 7.4 out of 10

Manufacturers average

Based on 75,237 frontline employees who took The Breakroom Quiz

Job description

ABOUT THE TEAM 

The Simulation Platform team owns the core architecture and infrastructure of Anduril's high-fidelity, multi-domain military mission simulator. It models hundreds of entities--aircraft, ships, submarines, satellites, ground vehicles--moving, sensing, communicating, and engaging across realistic physical environments. The simulator powers training, mission planning, autonomy development, and hardware-in-the-loop testing across Anduril's product portfolio. It connects to live systems, integrates with Anduril's Lattice platform, and runs inside a GUI for interactive scenario authoring.  Mission Sim is a large, mature C++20 codebase with an Entity-Component-System architecture, a stable C ABI plugin system, embedded scripting, and a variety of physics-based models. Keeping this system fast, correct, extensible, and pleasant to develop against at scale, with a growing team of model developers is our job.

WHAT YOU'LL DO
  • Model authoring tools - an early effort you will help stand up to extend the Sim frontend with UI for authoring and tuning Mission Sim models. You will negotiate extension APIs with the GUI team and build an ergonomic UI atop them, working alongside Simulation Modeling engineers.
  • Custom Entity-Component-System architecture that underpins the entire simulator: entity lifecycle, component storage, and the update loop
  • Plugin and SDK development - maintaining a versioned C ABI, which enables external teams to extend the simulator
  • Performance and scale - keeping the simulation loop fast enough for real-time and faster-than-real-time execution with hundreds of concurrent entities; reasoning about memory layout, cache behavior and contention, as entity counts grow
  • Integration architecture - gRPC services, DIS protocol interoperability, networking messaging, and file recording for analysis and playback
  • Support domain experts in integrating new and enhancing existing capability models
REQUIRED QUALIFICATIONS
  • 3 years of professional experience with C++20 and strong C++ skills; you should be comfortable with templates, move semantics, smart pointers, and the kinds of design decisions that show up in framework code
  • Experience designing internal APIs and frameworks that other engineers build on, with focus on backwards-compatibility and ergonomics
  • Solid understanding of systems programming fundamentals: memory management, shared libraries, ABI stability, linking, interfacing with the operating system
  • Comfort with linear algebra and applied math
  • Familiarity with Linux-based C++ development toolchains
  • Ability to reason about performance-sensitive code - cache behavior, memory layout, algorithmic complexity
  • Clear technical communication and ability to work in a large, shared codebase and negotiate architectural decisions that affect a growing team
  • Eligibility to obtain and maintain an active U.S. Government Secret security clearance
PREFERRED QUALIFICATIONS
  • 5+ years of professional experience with C++20
  • Experience leading or mentoring engineers on a project - setting technical direction and bringing others along
  • Comfort operating in ambiguity - scoping the problem, the approach, and the interfaces when none exist yet, and driving them to a decision
  • Experience with military simulation, defense modeling & simulation, or related domains
  • Experience with Entity-Component-System architectures or game engine design patterns
  • Experience in designing and implementing GUI-supported workflows
  • Familiarity with gRPC, DIS (IEEE 1278.1) distributed simulation standard
  • Experience with Python/C++ interop (pybind11, embedded interpreters)
  • Familiarity with behavior trees or autonomous agent architectures
  • Developing in Nix
  • Experience with numerical simulation, physics modeling, or scientific computing

Working at Anduril

About Anduril, in their own words

From Anduril

As the world enters an era of strategic competition, Anduril delivers cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the warfighter in months, not years.

What Anduril employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

Anduril Industries logo

About Anduril Industries

Sourced by ZipRecruiter

Anduril Industries is a trailblazer in the technology industry based in Costa Mesa, CA, US. Founded in 2017 by Palmer Luckey, the creator of Oculus VR, the company focuses on developing innovative technology to equip and empower those in the defense sector. Its primary products include cutting-edge autonomous systems and AI software that assist in combating threats to national and global security. The mission of Anduril Industries is to integrate technology and defense by building transformative, scalable solutions that ensure a safer world.

Industry

Guided missile and space vehicle manufacturing

Company size

501 - 1,000 Employees

Headquarters location

Costa Mesa, CA, US

Year founded

2017

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