Description from original post (created 2016-03-04 19:06):
w/ shield head
Tyl Regor is the final boss of the Uranus system and the head researcher focusing on Grineer gene repair in an attempt to reverse the negative effects from excessive cloning. He was targeted by the Lotus in order to slow down this progress, ensuring that the Grineer do not become more powerful. He can be found on the mission
Titania. After defeating him and finishing the mission, players receive
a blueprint for either Night Aspect, Day Aspect, Day Helmet, Day
Chassis, Day Systems, Night Helmet, Night Chassis, or Night Systems of
the Equinox Warframe.
http://warframe.wikia.com/wiki/Tyl_Regor