Modern Technology Solutions, Inc. (MTSI) is hiring an Information Systems Security Officer (ISSO) in Alexandria, VA. Qualified candidates must have an active TS/SCI with SAP experience. Responsibilities: Perform day-to-day maintenance of systems, including auditing and patch management. Perform technical security assessments of complex systems. Identify points of vulnerability, non-compliance with established Information Assurance (IA) standards and regulations, and recommend mitigation strateg…