Modernization Engineer (Mid-level)

We’re seeking a skilled Modernization Engineer to design, build, and modernize the next generation of combat systems for the U.S. Navy. Spear AI is a growing defense contracting company dedicated to delivering cutting-edge solutions that support our nation’s security. As we expand, we’re building a culture where innovation meets mission-critical work. We operate with a flat organizational structure that empowers every team member to make an impact, collaborate directly with leadership, and contribute to projects that matter. Whether you’re joining our Hardware, Software, or Services division, you’ll work alongside talented professionals who are committed to excellence and advancing the capabilities that keep our nation safe and secure. Spear AI builds sonobuoy sensors that are deployed into the water and collect edge data. We also work with the U.S. Navy to collect and process their SONAR data. You’ll have an opportunity to work on real-world projects that directly impact warfighter capabilities and mission success. WHAT YOU’LL DO We’re a small team wearing many hats, and you’d have a wide variety of responsibilities that include: - Translate C/C++ code to memory-safe Rust. - Ensure code is formatted, linted, and tested with code coverage. - Containerize legacy codebase with Docker and Kubernetes. - Replace antique messaging systems with Redpanda and Protobuf. - Set up services using Infrastructure as Code. - Bring modern tooling to local development workflows. - Design and build CI/CD pipelines with GitHub Actions. WHO YOU ARE We’re looking for someone with strong Software Engineering skills who shares our most important values: - You’re fanatical about polish. Every detail matters. You love to make sure your code is linted, formatted, fully typed, and has 100% test coverage. - You care about correctness. You take pride in the fact that downstream consumers trust libraries and services you build. - You obsess over performance. You daydream about Lighthouse scores a