REQUIRED SKILLS (RANK IN ORDER OF IMPORTANCE): 1. 5+ years of experience in IT working with and/or auditing IBM System 390/zSeries, Windows, Linux, Databases (Relational and Non-Relational), Networking Infrastructure and Web-based Applications. 2. 5+ years of experience in IT working with and/or auditing IBM System 390/zSeries, Windows, Linux, Databases (Relational and Non-Relational), Networking Infrastructure, and Web-based Applications.