Senior IT Security Auditor

About APTNEXUS Since our founding 2012, APTNEXUS has empowered federal agencies and commercial enterprises to navigate the complexities of the digital landscape. As a quality-driven small business, we specialize in the seamless delivery of IT modernization and elite cybersecurity solutions. We help our clients modernize and fortify their technology stacks —ensuring their most critical data and assets remain resilient, optimized, and secure in an evolving threat environment. Clearance: Ability to obtain and maintain a Minimum Background Investigation (MBI) for our Department of Treasury customer. Candidates must reside in, and perform all work from, the continental United States or its outlying territories. Location: Remote (United States) Work Schedule: Full-time, remote. Must be available during core business hours (Eastern Time) to support scheduled audit activities. Travel to audited organization sites may be required on occasion, with advance notice. Salary Range: $115,000 to $140,000 annually, commensurate with experience Position Overview: AptNexus is seeking a Senior IT Security Auditor to perform cybersecurity compliance audits for our Department of Treasury customer. The program audits federal, state, and local government organizations that receive sensitive federal data, evaluating their information systems against security requirements tailored from NIST SP 800-53. In this role, you will plan and conduct audits of technical and management controls, perform hands-on