• Basic forms
• 就く — take up; enter / base form
• 就きます — takes up; enters / masu form
• 就いた — took up; entered / ta form
• 就いて — taking up … / te form
• 就かない — do not take up / negative
• 就けば — if (one) takes up / conditional
• Common expressions
• 仕事に就く — take up a job
• 職に就く — enter a profession
• 席に就く — take one’s seat
• More
• 就いている — is engaged in; holds a position / state

就く（つく） is a godan intransitive verb. It means to enter or take up a position, role, or place, often used with jobs, professions, or seats.

• Basic forms
• 就ける — appoint; assign / base form
• 就けます — appoints; assigns / masu form
• 就けた — appointed; assigned / ta form
• 就けて — appointing … / te form
• 就けない — do not appoint / negative
• 就ければ — if (one) appoints / conditional
• Common expressions
• 役職に就ける — appoint to a post
• 責任ある立場に就ける — assign to a responsible position
• 部下を仕事に就ける — put someone to work
• More
• 就けたい — want to appoint / 〜たい form
• 就けている — has appointed; has assigned / state

就ける（つける） is an ichidan transitive verb. It means to cause someone to take up a role or position, often implying authority or responsibility.