Senior official or executive with the authority to formally assume responsibility for operating an information system at an acceptable level of risk to organizational operations (including mission, functions, image, or reputation), organizational assets, individuals, other organizations, and the Nation (CNSSI 4009).

Conducts independent comprehensive assessments of the management, operational, and technical security controls and control enhancements employed within or inherited by an information technology (IT) system to determine the overall effectiveness of the controls (as defined in NIST 800-37).

Plans, prepares, and executes tests of systems to evaluate results against specifications and requirements as well as analyze/report test results.

Develops and maintains business, systems, and information processes to support enterprise mission needs; develops information technology (IT) rules and requirements that describe baseline and target architectures.

Designs enterprise and systems security throughout the development lifecycle; translates technology and environmental conditions (e.g., law and regulation) into security designs and processes.