He has taught at the university for many years.
I plan to take up a teaching position at a high school next year.
Standard kanji spelling.
Mixed kana-kanji spelling; 鞭 is a non-jōyō kanji, so this form is sometimes used for readability.
From 教 (teaching) + 鞭 (whip/cane). Originally referred to the pointer or cane used by teachers, now mainly used in the idiom 教鞭をとる.