Senior ISSO - Hybrid (Ashburn) AWS/Linux Security Lead

Science Applications International Corp.; Ashburn (VA); Hybrid; USD 120,000 - 160,000; Full time

Job summary

SAIC is seeking a senior-level Information System Security Officer (ISSO) and/or Alternate ISSO (AISSO) to support federal IT systems. You will leverage RMF, NIST SPs, and continuous monitoring to maximize security and ensure FISMA compliance.

The role is hybrid-remote with one on-site day per week in Ashburn, VA. Responsibilities include continuous monitoring, vulnerability management, audit support, and developing essential security documents.

Qualifications

• B.S. in Information Assurance / Cybersecurity or related field.
• 8+ years of IT security experience.
• 6+ years as primary ISSO or security compliance lead.
• CISSP or CCSP certification.
• Experience creating and tracking POAs/Ms for security controls.
• Experience with audits and providing artifacts to auditors.
• Experience completing a new or renewed C&A package.
• Strong communication with technical and management POCs.
• Significant security experience with Linux (on premises) or AWS.

Responsibilities

• Perform continuous monitoring and self-inspections to ensure security compliance.
• Review vulnerability scans and drive remediation actions.
• Report security status to management and support audit responses.
• Develop and update security documentation (SSPs, Contingency Plans, ISAs, etc.).
• Review and approve/deny Change Requests as needed.
• Ensure configuration management per DoD STIGs and best practices.
• Conduct SIEM log reviews using Splunk, Kibana, and similar tools.
• Draft policies and procedures for directorate systems as needed.
• Support data calls and reporting for DHS CIO, CISA, and HQ offices.

Skills

RMF expertise

Security auditing

POA&M management

C&A process

Auditor liaison

Cloud security

Team leadership

Education

B.S. in Information Assurance / Cybersecurity

Tools

Splunk

Kibana

AWS

Linux

Job description

SAIC is seeking a senior-level Information System Security Officer (ISSO) and/or Alternate ISSO (AISSO) to support federal IT systems. You will leverage RMF, NIST SPs, and continuous monitoring to maximize security and ensure FISMA compliance.

The role is hybrid-remote with one on-site day per week in Ashburn, VA. Responsibilities include continuous monitoring, vulnerability management, audit support, and developing essential security documents.