Dear [Hiring Manager's Name],

I am writing to express my interest in the Mechanical Engineer position at [Company Name], as advertised. With a Bachelor of Science in Mechanical Engineering and three years of experience in product development and systems engineering, I have a proven track record of driving innovation and improving efficiency.

At [Your Current/Previous Company Name], I contributed to the design and optimization of [mention any specific machinery or systems], which enhanced operational efficiency by 15%. My skills in CAD software and my practical experience in applying engineering principles to solve complex problems are well-suited to the innovative projects at [Company Name].

I am excited about the opportunity to contribute to [Company Name]'s continued growth and success by leveraging my technical skills and innovative thinking.

Thank you for considering my application. I look forward to the possibility of discussing how my engineering expertise and passion for problem-solving can contribute to the exciting projects at [Company Name].

Sincerely,

[Your Name]