Infiltrator

An infiltrator can break into places others wouldn't dream of,
find what it's looking for, and get back out again while eluding
or evading anyone who would try to stop him. An infiltrator is
a master of stealth, breaking and entering, and second—story
work.

Bonus Proficiencies

When you choose this archetype at 3rd level, you gain
proficiency with the disguise kit and hacking tools.

Sweep

Starting at 3rd level, you know how to size up an area and get
the lay of the land in a single sweep of your eyes that often
isn't perceptible to those around you.
You can use your bonus action granted by your Cunning
Action to make the Search action. You also gain advantage on
the check when looking for alarms, surveillance devices,
escape routes and any expensive objects that can easily be
concealed and carried away.

Infiltration Adept

At 9th level, you have a number of infiltration dice equal to
your Dexterity modifier, which are d8s. You regain all of your
expended infiltration dice when you finish a long or short
rest. You can expend an infiltration dice and add it to the
result for the following checks after you roll, but before the
DM says whether the roll succeeds or fails.
Whenever you make a Dexterity (Stealth) check.
Whenever you make an attack roll while hiding.
Whenever you make a check using, disarming or repairing
an electrical or mechanical device.

Engineer

At 13th level, you understand how machines and electrical
devices work. You gain advantage on checks to use, disarm or
repair an electrical or mechanical devices.
Additionally, when you fail to deactivate a trap, explosive or
alarm, you can use your reaction to avoid triggering the effect
(activating the trap, detonate an explosive or trigger an
alarm). You can use this feature once per short or long rest.

Master Infiltrator

At 17th level, your infiltration dice are now d10s, and you can
expend up to two infiltration dices for each check instead of
only one.
Additionally, whenever you make a check using tools you
are not proficient, you can add half your proficiency bonus to
the check.