The companion Rafael can be obtained after the mission Entangled if you choose to side with him.
Rafael
Skills
Outpost Management
While constructing an outpost offers its own challenges, properly managing that outpost takes a special personality type, and specialized training.
Outpost Engineering
Proper construction of habitation modules is essential to one's survival on any alien world.
Starship Engineering
It takes skilled hands to not only make a ship's systems more resistant to damage, but to repair those systems efficiently when damage does occur.