Senior Information System Security Engineer - TS

Insight Global is seeking an experienced Information Systems Security Engineer (ISSE) to support a leading defense contractor focused on national security and Department of Defense initiatives. This individual will serve as a key cybersecurity subject matter expert responsible for supporting Risk Management Framework (RMF) efforts, Assessment & Authorization (A&A) activities, and information assurance engineering throughout the system lifecycle.

The ideal candidate will have extensive experience implementing cybersecurity requirements within DoD environments, developing security documentation, supporting system accreditation efforts, and collaborating with engineering and program teams to ensure compliance with federal cybersecurity standards.

Day-to-Day Responsibilities

Lead coordination and maintenance of Assessment & Authorization (A&A) documentation and activities.

Support the design, development, implementation, and integration of secure system architectures.

Serve as the program office cybersecurity subject matter expert for Information Assurance (IA) and security compliance requirements.

Develop, review, and maintain RMF artifacts, security controls, and authorization package documentation.

Identify, assess, and track vulnerabilities through remediation efforts and POA&M management.

Support technical reviews, security audits, inspections, and compliance assessments.

Partner with engineering teams to implement security controls across hardware, software, operating systems, and applications.

Conduct cybersecurity risk assessments and vulnerability analyses.

Provide guidance on DoD and federal cybersecurity policies, RMF implementation, and accreditation strategies.

Assist in developing mitigation strategies and corrective actions to address identified security findings.

BA/BS in related field

-Active TS /SCI clearance and ability to obtain SAP

-10+ years of progressive cybersecurity, information assurance, or security engineering experience.

Experience supporting DoD Risk Management Framework (RMF) processes and Assessment & Authorization (A&A) efforts.

-Strong understanding of cybersecurity architecture, security controls, requirements development, and secure system implementation.

-Experience developing and maintaining RMF documentation, security plans, and authorization artifacts.

• Knowledge of operating system security features, vulnerabilities, and hardening practices.

DoDD 8140 compliant certification meeting IAT Level II requirements or higher.

-Active CISSP certification.

-Vulnerability assessment and remediation experience

DoD environment experience