A systems engineer designs and maintains computer systems on a daily basis. They focus on how complex engineering projects are designed and managed. Systems engineers need to understand both computer hardware and software as well as how networks and operating systems function. Qualifications for systems engineers include a degree in an engineering or scientific discipline, knowledge of information security, and experience using systems engineering lifecycles and tools like Windows 2000 server. Career opportunities are available after studying systems engineering at universities for 4-5 years. The average salary for a systems engineer is around $90,000 Australian dollars but salaries can range from $83,000 to $113,000 depending on skill level and position.