Showcase your achievements
Mentioning your accomplishments, such as 'designed and implemented power systems for over 50 commercial buildings', shows that you've done this before and can do it again. Plus, quantifying your achievements gives a clear picture of your capacity.
Highlight proprietary knowledge
Having a unique skill or knowledge (like a 'proprietary energy-efficiency algorithm') is a powerful way to demonstrate your added value. You're implicitly saying that you bring something unique and valuable to the table.
Speak the role language
When you specifically mention your career title like 'Electrical Engineer', it's like saying you understand the language of the role. It indicates that you're not only familiar with what the job entails but also competent in it.