Information Systems Security Officer; ISSO

Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what's happening now and shape what's coming next. Vantor is a place for problem solvers, changemakers, and go-getters-where people are working together to help our customers see the world differently, and in doing so, be seen differently. Come be part of a mission, not just a job, where you can:
Shape your own future, build the next big thing, and change the world.

To be eligible for this position, you must be a U.S. Citizen. This position requires an active U.S. Government security clearance, applicants who do not currently hold the required clearance will not be eligible for consideration. Employment for cleared roles is contingent upon verification of clearance status.

Export Control/ITAR:
Certain roles may be subject to U.S. export control laws, requiring U.S. person status as defined by 8 U.S.C. 1324b(a)(3).

Please review the job details below.

This position requires an active U.S. Government security clearance at the TS/SCI level with CI polygraph.

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.

The ISSO will support the security authorization, operation, and continuous monitoring of information systems throughout the system development and operational lifecycle. This position will work closely with Government stakeholders, the Information Systems Security Manager (ISSM), security engineers, system owners, developers, Dev Sec Ops  personnel, data engineers, and mission users to implement security controls, manage risk, and ensure systems remain compliant with applicable security requirements.

The ideal candidate is experienced in Risk Management Framework (RMF) activities, security documentation, vulnerability management, continuous monitoring, incident response, and working in Agile or Dev Sec Ops  environments.

Responsibilities:

• Support the implementation and maintenance of security programs for classified information systems throughout the system lifecycle.
• Support RMF activities, including system categorization, control implementation, assessment preparation, authorization support, and continuous monitoring.
• Develop, maintain, and update security documentation, including System Security Plans (SSPs), Plans of Action and Milestones (POA&Ms), security assessment materials, contingency plans, configuration management documentation, and related artifacts.
• Coordinate with the ISSM, Information System Security Engineer (ISSE), system owners, Government security personnel, and Authorizing Official representatives to address security requirements and risks.
• Monitor system security posture and ensure security controls are implemented, documented, tested, and maintained.
• Track vulnerabilities, POA&Ms items, security findings, configuration issues, and corrective actions through closure.
• Support vulnerability scanning, compliance assessments, security testing, penetration testing, and remediation activities.
• Review system changes, software releases, infrastructure updates, and configuration modifications for security and compliance impacts.
• Partner with Dev Sec Ops , software development, platform, cloud, data, and infrastructure teams to integrate security throughout the development and deployment lifecycle.
• Support secure implementation of enterprise ontologies, knowledge graphs, semantic data services, APIs, data integrations, and mission applications.
• Monitor security-relevant events, logs, alerts, and system activity; support investigation, documentation, escalation, and reporting of security incidents.
• Support incident response, cybersecurity event handling, and coordination with Government security and cybersecurity organizations.
• Prepare for and support security inspections, audits, authorization reviews, and Government assessments.
• Ensure system users, administrators, and project personnel complete required security training and comply with established security procedures.
• Provide security guidance to technical teams and stakeholders while balancing mission needs, operational risk, and compliance requirements.
• Maintain accurate security records, metrics, status reports, and briefings for technical leadership and Government stakeholders.
• Participate in Agile ceremonies, technical reviews, operational…