In Perimeter, retrieve a NuCal ID from a tick-infested building. Use the nearby workstation, then head northeast of the infested building to find the DCON on a rooftop.
In a single run:
Find NuCal Employee ID in building east of OVERFLOW [1]
THEN Download employee data from workstation nearby [1]
THEN Deliver NuCal Employee ID to DCON northeast of OVERFLOW [1]