Since cutting zip ties often involve twisting, which cuts them easier and safer than pull cutting, something tough. And durable over time.
If it were me, I'd be reaching for my ZT 0566. It's a little tank.
It has lock bars on each side of the blade that rest on stainless steel liners and reinforce the pivot. It is very ergonomic.
It also has good steel, Elmax. So it will hold an edge for awhile. And with steel liners, I trust their ability to handle a lot of stress over time vs. FRN.
I like FRN, don't get me wrong. But I'd be concerned with the blade pivot area getting loose over time with my Endura, but I haven't done that job with it daily so that would be a SWAG.
And I have a Civilian and a waved Matriarch, both AWESOME knives. But the Civilian is not made for that job. It's a SD tool, and a great one at that. Arguably the best at that.
Of the two the Matriarch would absolutely be better, but sharpening the serrations would be something to think about. People at work wouldn't mess with you, either, with that blade appearance!