I make systems that help people stop ships from banging into each other. Essentially, I write computer stuff that lets people play "video games" with real life

I make systems that help people stop ships from banging into each other. Essentially, I write computer stuff that lets people play "video games" with real life 80,000 tonne tankers, the idea being to help them go efficiently while keeping them out of places they shouldn't go, and keeping them apart. Oh, and we help find the bad guys too.