This position will work closely with Government stakeholders, the Information Systems Security Manager (ISSM), security engineers, system owners, developers, DevSecOps personnel, data engineers, and mission users to implement security controls, manage risk, and ensure systems remain compliant with applicable security requirements. Vantor is seeking an Information Systems Security Officer (ISSO) to support secure, compliant, and mission-focused systems serving Object-Based Intelligence (OBI) requirements, enterprise ontologies, knowledge graphs, semantic data integration, and advanced analytics.