SME Security Control Assessor

Imagineeer is a fast-growing SBA 8(a) Small Disadvantaged Business headquartered in Arlington, VA, delivering federal AI modernization across health, defense, homeland security, and transportation. We design, test, and deploy secure, AI-ready systems that move agencies from pilots to production without breaking governance, compliance, or mission continuity. Our Mission Studio model creates shared environments where policy, data, security, and operations come together. We are capability-driven and competitive by design, not program-dependent. Our leadership has operated inside the federal systems we now transform, bringing institutional knowledge that accelerates delivery and reduces risk. If real delivery motivates you more than slides, and you want your work to compound across programs and agencies, Imagineeer is growing and we are building the team to match. About the role We are looking for a SME Security Control Assessor that supports security control assessment activities for HHS-ACF information systems by applying NIST security controls and frameworks to evaluate control implementation and effectiveness. This role is responsible for gathering, organizing, and documenting assessment evidence; conducting security testing and evaluations; and assisting with vulnerability scanning and analysis. The assessor leads security control interviews, supports continuous monitoring activities, and contributes to the development of assessment reports, briefings, and formal deliverable