Certification demonstrates commitment to excellence in these specialized areas of nursing. Here are some additional perks that certification can bring: Upgrades your resume: Certification shows your employer that you’re an expert in your specialty, making your PICU or NICU resume a stand out among other candidates. Increases salary potential: Certification opens up opportunities for career growth and advancement and higher salaries. Expertise enhancement: Certification deepens the skills that allow you to confidently handle complex medical conditions, procedures, and emergencies.