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to take (seat, position, course, office, etc.); to assume; to be hired; to be employed
to ascend (the throne); to accede
to start (on a journey); to commence; to depart
to study (under teacher); to be an apprentice
新しい社長が来月正式に職に即く予定だ。
The new company president will officially take office next month.
彼女は教師の職に即いてからもう十年になる。
It's been ten years since she took up a teaching position.
新しい役職に即くことになった。
I've been appointed to a new position.