Perform system administration functions for modern operating systems and applications, including installing and configuring operating systems, applying patches and updates, tuning security controls to meet federal requirements, monitoring operations, and managing system backups. Develop and document processes, procedures, and guidelines for protection requirements (e.g., e-mail labels, media labels), control procedures (e.g., discretionary access control, need-to-know sharing), incident management reporting, remote access requirements, system management, and use of encryption.