Cybersecurity Engineer

SAIC is seeking an Information System Security Officer (ISSO) to support its NGA N2W customer in St. Louis, MO (onsite). In a cleared environment, you will advise on network and information system security principles, help maintain IT/IA/IM policy compliance, and perform periodic security scanning along with continuous monitoring activities.

The role includes supporting assessments, RMF documentation, security control support, and ongoing reviews that help ensure corrective actions are tracked through closure.

Responsibilities

• Operate within cleared environments to perform Information Assurance activities aligned to customer needs and timelines.
• Assess systems and networks within the networking environment or enclave, identifying deviations from acceptable configurations, enclave policy, and applicable Agency policies and guidelines.
• Conduct compliance audits (passive evaluation) and vulnerability assessments (active evaluation).
• Develop Risk Management Framework (RMF) process operating procedures, policies, and related documentation.
• Perform duties in line with NIST SP 900-137 Continuous Monitoring and audit for anomalous or malicious user activity.
• Periodically review audit results across systems and monitor corrective actions to ensure action items reach closure.
• Manage media handling and control, including labeling, virus-scanning solutions, and data transfers between classification domains via manual and automated processes.
• Create and enforce strict program control processes to support risk mitigation, system accreditation, and certification attainment.
• Provide support across process, analysis, coordination, security certification test support, security documentation support, investigations, software research, hardware introduction and release, emerging technology research inspections, and periodic audits.

Requirements

• Active TS/SCI with Polygraph.
• Meet requirements for DoD 8570 IAT Level 1 Professional Certification.
• 9+ years of related overall professional experience.
• Meet requirements for or possess DoD 8570 IAT Level 2 Professional Certification.
• Demonstrated ability to conduct research and analysis for network and information system security principles and best practices.
• Knowledge of information security program management and project management principles and techniques.
• Familiarity with security violation mitigation measures and incident reporting actions.
• Proficiency in computer networking concepts and protocols and network security methodologies.
• Familiarity with host and network access control mechanisms, plus knowledge of cybersecurity principles to manage data risks tied to use, processing, storage, and transmission.

Key Technologies

• NIST SP 900-137
• Risk Management Framework (RMF)
• DoD 8570 IAT Level 1 Professional Certification
• DoD 8570 IAT Level 2 Professional Certification

Schedule: Full-Time, Shift: Day Job, Travel: No. Clearance: TS/SCI (must be able to obtain TS/SCI with Poly). Date Posted: 2026-09-22. Category: Engineering and Sciences (Subcategory: Systems Engineer). Potential for remote work is listed as ORA_ON_SITE.