Here is the full list of all 17 Hired Ops achievements.
Kill 10 enemies
3 w-tasks
100 kills with knife
150 grenadekills
25 team wins
50 triplekills
25 w-tasks
Complete 3 w-tasks
100 quadkills
10 quadkills
300 VIPKills
500 PROKills
50 PROKills
5 PROKills
50 double headshots
500 double headshots
500 double kills