Senior IT Security Auditor

AptNexus is seeking a Senior IT Security Auditor to perform cybersecurity compliance audits for the Department of Treasury customer, evaluating information systems against NIST SP 800-53 security requirements. The role involves planning and conducting audits of technical and management controls, performing hands-on configuration testing across various platforms, and delivering clear, defensible findings to stakeholders. This is a full-time, remote position requiring candidates to reside in the continental United States or its outlying territories.