Information Systems Security Officer (ISSO) Lead

**This position is contingent upon contract award**

SOSi is seeking a highly qualified Information Systems Security Officer (ISSO) Lead to support a DHS enterprise cybersecurity program providing 24×7 Security Operations Center (SOC) services. These roles deliver leadership, operational oversight, and technical expertise across cyber defense, incident response, intelligence, engineering, and modernization activities.

Job Description

Leads RMF and continuous monitoring activities; ensures systems maintain authorization posture and comply with DHS and CBP security requirements.

Responsibilities

• Manage RMF lifecycle activities including ATO support, POA&M tracking, and continuous monitoring.
• Coordinate with system owners, engineers, and cybersecurity teams to maintain compliant security posture.
• Develop and maintain security documentation, SSPs, and assessment artifacts.
• Support change control and configuration reviews impacting system authorization.
• Provide compliance reporting and audit support to CBP stakeholders.