Technical Proficiency

noun the quality or state of being an expert; expertise

• Her expertness in the field of neuroscience is widely recognized by her peers.
• He showed off his expertness in fixing cars by quickly diagnosing the problem.
• I can't believe the expertness with which she handled that situation!
• His expertness in navigating difficult conversations made him a valuable asset to the team.

noun the quality of being skillful or adept at a particular task or activity

• Her adroitness in handling complex financial matters impressed the board of directors.
• I was amazed by his adroitness on the basketball court.
• She showed some serious adroitness in getting out of that sticky situation.
• His adroitness with words was like watching a skilled magician perform tricks.