Sphinx Defense

Sphinx Defense builds the kind of software that keeps satellites talking to the ground when the scheduling gets ugly. Their core business is high-performance platforms for secure satellite operations and ground data transport - domains where a dropped contact window or a misrouted data stream isn't an inconvenience, it's a mission failure. They serve space missions, government defense, and commercial space operations, which means the threat model spans from sophisticated nation-state actors probing SATCOM links to the mundane but persistent risk of resource contention in ground station networks. Their flagship product, SCOPe (Sphinx Contact Optimization & Planning Engine) , tackles a concrete bottleneck: coordinating limited ground station resources so that satellites can downlink data when they need to. It's SATCOM planning and network operations compressed into a coordination problem - optimize the schedule, secure the transport, keep the mission on track. The company's technical domains run deep across software engineering, command and control, cybersecurity, and the full stack of satellite-to-ground communications. Founded by experienced software engineers with a stated focus on replacing outdated technology, Sphinx Defense positions itself as an engineering-first operation. The cybersecurity surface here is nontrivial: you're protecting data in transit between orbital assets and ground infrastructure, hardening command-and-control interfaces, and securing the planning tools that determine which satellites get bandwidth and when. For security engineers, that means working at the intersection of space systems and adversarial environments - where the protocol layers are specialized and the consequences of getting it wrong are measured in lost payloads, not lost packets.