Senior Information Systems Security Officer

This role requires an Active Top Secret/SCI with Polygraph and begins immediately. The position leads cybersecurity policy development, compliance efforts, and security oversight across the full system lifecycle., * Develop and maintain security policies, procedures, and protocols.

• Ensure compliance with NIST SP 800-53, RMF, FISMA, JSIG, DAAPM; support and maintain ATO.
• Conduct risk assessments and vulnerability scans (ACAS, SCAP, STIGs); manage POA&Ms; oversee configuration and change control.
• Integrate security requirements into the SDLC; maintain SSPs and authorization documentation; manage systems in eMASS or equivalent.
• Coordinate incident response and reporting; monitor logs and network traffic; investigate breaches and recommend corrective actions.
• Advise system owners and stakeholders; collaborate with ISSMs, ISSEs, PMs, and AOs; deliver security awareness training.

• Active Top Secret/SCI with Polygraph.
• Bachelors degree in Computer Science, Cybersecurity, or related field.
• Senior-level experience supporting classified systems as an ISSO or similar role.
• Strong knowledge of RMF, NIST frameworks, and federal cybersecurity requirements.
• Experience with ACAS, SCAP, STIGs, configuration management, and eMASS.