To Aim At, To Aim
transitive verb, godan verb
Remember 狙い and how it means "aim"? Make that into a verb, and you have to aim at.
ねらう
The reading comes from 狙い, so if you know that you'll be able to aim at knowing this word's reading as well.
一応忠告しておくと、奴はお前のポジションを狙ってるみたいだぞ。
Just a word of advice, it looks like he’s aiming to take over your position.