This phrase often implies a power imbalance, where one person has control over another. You'll work here at my pleasure, and I can let you go at any time.
Pro Tip 2/3
Implicit Threat
Sometimes used to subtly express a threat or warning in a polite manner. You may hold that position at the board's pleasure, so tread carefully.
Pro Tip 3/3
Legal Context
Frequently found in legal or contract language, indicating conditional rights or privileges. The license is granted at the authority’s pleasure and may be revoked.