SMX is seeking a highly skilled Information Systems Security Officer (ISSO) – Sr (Cloud) to support a mission-critical federal program in Huntsville, AL. This individual will serve as a senior cybersecurity and cloud security resource responsible for supporting the security posture, compliance activities, and operational security requirements for enterprise cloud environments and associated information systems. The ideal candidate will have extensive experience supporting classified environments, implementing cybersecurity best practices, and working within complex federal IT infrastructures.

The selected candidate will work closely with engineering, cloud, infrastructure, and government stakeholders to ensure systems remain compliant with federal cybersecurity requirements while supporting operational mission needs. This role requires strong technical expertise across cloud security, vulnerability management, continuous monitoring, incident response support, and security asse...