Tessera Defense Systems builds secure identity infrastructure for the US and NATO defense ecosystem. We are hiring a Lead Rust Engineer to own our Rust core as we grow the engineering team. You will own the Rust codebase end to end: its architecture, its cryptographic core, and the decisions behind them, written down so the rest of the team can build on them. You will set the engineering practices that keep a growing team moving without breaking the cryptography underneath. You will work closely