Information Systems Security Officer (ISSO) Lead

SOSi • Ashburn, VA

14h • Hybrid

About The Position

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.

Requirements

• 8+ years supporting RMF, ATO, and continuous monitoring in federal environments.
• Tools: eMASS or equivalent, vulnerability scanners, POA&M tracking tools, and security compliance platforms.
• Clearance: Secret (TS-eligible).

Nice To Haves

• CISSP, CISM, or CAP preferred.

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.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed