Possible Clues:

• Copy round short piece of advice for new staff member
• Given the job and its pressure - what's the objective taking ecstasy in A&E?
• One assigned to a job
• Cabinet choice
• Take off last of cellophane, packaging item one's put in post
• Pick, of sorts
• Primate accepts position, beginning to entertain chosen candidate
• A lord almost without purpose has been given a role
• One assigned to manage the post?
• Tip for ballet dancer in copy one put in post