Of these 21 roles, 8 require TS/SCI + CI Poly, 5 require Top Secret, 3 require Secret, 2 require TS/SCI + FS Poly, 1 requires TS/SCI, 2 do not list one.
Experience required ranges from 0+ to 20+ years, so there is room here for people at different points in a career.
Skills these roles ask for
Python 4 roles
C++ 3 roles
Detection and tracking algorithms 3 roles
Digital signal processing 3 roles
Linux 3 roles
MATLAB 3 roles
Radar signal processing 3 roles
System Administration 3 roles
System modeling and simulation 3 roles
Systems Engineering 3 roles
Employers with roles here include Elevi Associates (6), SoloPulse (5), Prodigy One (3), Gormat (2), 99999 Consulting (1), Brandes Associates (1).