IT Security Specialist III

About the Opportunity

The IT Security Specialist III will lead and conduct in-depth assessments of security control effectiveness across classified and unclassified information systems, ensuring compliance with NIST SP 800-53A and applicable federal cybersecurity requirements in a remote and on-site work environment. You will evaluate technical and administrative controls, document assessment results, and clearly communicate risk findings and recommendations to technical teams, system owners, and senior leadership.

In this role, you will support Authorization to Operate (ATO) and risk management decisions by providing objective, evidence-based assessments that directly inform system risk posture. You will also contribute to the refinement and standardization of assessment methodologies, helping improve consistency, efficiency, and rigor across the cybersecurity assessment lifecycle. Your work ensures systems remain compliant, resilient, and aligned with evolving regulatory and organizational requirements.