Principal Software Engineer - Modeling & Simulation - AFSIM

Strativ Group; United States; On-site; USD 100,000 - 130,000; Full time

Job summary

Strativ Group is searching for a Senior Software Engineer specializing in Modeling & Simulation in the United States. As part of a Series B AI startup, you'll help build systems for edge modernization in defense and national security.

Ideal candidates have a strong software engineering background and experience in modeling, simulation, distributed systems, and related fields like aerospace or robotics. This role offers a unique chance to engage in technically challenging projects with significant real-world impact.

Qualifications

• Minimum 4 years of experience in Software Engineering.
• Strong experience with modeling, simulation, digital twins or synthetic environments.
• Proficiency in Python, C++, Rust, Go or similar engineering languages.

Responsibilities

• Lead the development of modeling and simulation capabilities.
• Work closely with AI researchers and platform engineers.
• Create high-fidelity simulation environments and scalable infrastructure.

Skills

Software Engineering

Modeling and Simulation

Distributed Systems

Python

C++

Rust

Go

Job description

Senior Software Engineer – Modeling & Simulation

A Series B AI startup is hiring a Senior Software Engineer to help build agentic systems that enable edge modernization across defense and national security applications. Founded by a team from OpenAI, Microsoft, Google, and other leading technology companies, the business is developing next-generation AI platforms that support autonomous decision-making in complex operational environments.

The company is looking for an experienced engineer to lead the development of modeling and simulation capabilities used to train, evaluate, and deploy advanced AI systems. This individual will work closely with AI researchers and platform engineers to create high-fidelity simulation environments and scalable infrastructure.

The ideal candidate will have a strong background in software engineering, distributed systems, and simulation technologies, with experience building complex platforms in defense, aerospace, robotics, autonomy, or related domains.

Key Requirements

• 4+ Years' experience in Software Engineering
• Strong experience with modeling, simulation, digital twins, or synthetic environments
• Proficiency in Python, C++, Rust, Go, or similar engineering languages
• Experience building distributed systems and scalable software platforms
• Background in defense, autonomy, robotics, aerospace, or mission-critical environments

This is a rare opportunity to join a world‑class team at an early stage and help shape the future of agentic AI, working on technically challenging problems with real-world impact.