# Senior Software Engineer - Defense Simulation

**Company:** [Applied Intuition](https://hotfix.jobs/companies/applied-intuition)
**Location:** Fort Walton Beach, FL
**Role:** Fullstack Engineering
**Salary:** $140k – $180k/yr
**Experience:** 5+ years
**Skills:** C++, Python, dis, hla, dseep, dds, zeromq, Kafka, Redis, protocol buffers, Docker, Linux, Git, afsim, ngts
**Posted:** 2026-08-05

> Leads development of live, virtual, and constructive simulation integrations for tactical AI experimentation, testing, and training. Requires modern C++, defense modeling and simulation interoperability experience, Linux and containerized development skills, and eligibility for a U.S. Secret clearance.

## Job Description

## Responsibilities
- Develop integrated live, virtual, and constructive simulation solutions for experimentation, testing, and training of multi-agent autonomy software.
- Design and document LVC architectures and simulation scenarios.
- Write interface code, conduct code reviews, and resolve integration roadblocks.
- Translate requirements into technical solutions while mentoring junior engineers and providing technical leadership.
- Research and learn modeling, simulation, and communication tools, including prototype software.
- Work with third-party vendors to incorporate proprietary models while respecting intellectual property boundaries.
- Write, modify, test, and debug efficient code in C++ 2017+, Python 3.10+, and other languages as needed.
- Design robust LVC integrations meeting performance, scalability, and security requirements.
- Contribute to continuous innovation, testing, debugging, documentation, CI/CD pipelines, and security compliance.
- Travel between company offices and customer sites approximately 25% of the time.

## Requirements
- Master's degree or equivalent experience in modeling and simulation, computer science, or software engineering.
- Experience using simulation interoperability standards including DIS, HLA, and DSEEP, along with custom methods and technologies, to build LVC federations.
- Knowledge of communication protocols and serialization mechanisms such as DDS, ZeroMQ, Kafka, Redis, and protobuf.
- Experience configuring, integrating, extending, and using defense modeling and simulation tools such as AFSIM, NGTS, and flight simulators.
- At least 3 years of hands-on experience developing performant modern C++ (2017+).
- Experience with Docker and containerized development environments.
- Experience working with Linux-based operating systems such as RHEL and Ubuntu.
- Experience with Git, Visual Studio Code, GitLab, SonarQube, and Artifactory or Azure Container Registry.
- Must be a U.S. Citizen.
- Must hold or be eligible for a U.S. Secret security clearance.

## Nice to Have
- PhD in a related engineering field.
- 7+ years of software development experience across multiple programming languages.
- Experience with government interoperability architectures such as OMS/UCI.
- Experience with model-based systems engineering artifacts, hardware-in-the-loop testing environments, and multi-level security environments.
- Experience with high-performance computing (HPC) environments.
- Experience with flight test readiness and airworthiness processes.

## Compensation and Benefits
- Base salary range: $140,000–$180,000.
- Eligible compensation may also include equity in the form of options or restricted stock units.
- Benefits may include comprehensive health, dental, vision, life, and disability insurance; 401(k) retirement benefits with employer match; learning and wellness stipends; and paid time off.

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