A junior systems engineer helps develop and maintain all computer systems for a business. As a junior systems engineer, your typical job duties involve installing, monitoring, and troubleshooting operating systems, software, hardware, and other computer infrastructure. For this career, you need a bachelor’s degree in computer science or a related field. Additional qualifications include system administrative experience, excellent technical skills, and familiarity with common programming languages. A junior systems engineer is an entry-level position that often serves as a stepping stone for this career.