Jobs for network and computer systems administrators are expected to increase by more than 27% over the next seven years, according to the U.S. Bureau of Labor Statistics. If you're interested in beginning or advancing a career as a network or computer systems administrator, Cisco certifications offer you a powerful résumé booster and could help take your IT career to the next level. Whether you get your CCNA (Certified Cisco Network Associate) or CCIE (Certified Cisco Internetwork Expert), this certification is a career tool that you'll rely on for years.