Other than teach something in the line of designing they are probably looking for new ship designs with the carriers they want to build so maybe malakhit or rubin may take you.
Security is a good one driving jobs (not recomended BTW and advised against driving in moscow!), but also think of the nessesitys what do people need in services?
Always need people to read water gas electric meters here always looking for shop keepers or perhapse start up your own buisness.
Most of this most likely sounds crap and far fetched but never know.
P.S im your carry on btw
