Information System Security Engineer (ISSE) Mid - TS with SCI Eligibility Required

Location: Washington, D.C.; on-site

Company

hirify.global provides cybersecurity and information technology support for federal and national security customers.

What you will do

• Design and maintain a methodology for categorizing FBI IT systems by architecture, technology stack, risk, hosting environment, data sensitivity, mission function, and operational dependencies.
• Assess on-premises, hybrid, and cloud-based systems, including Azure and AWS environments, to determine security engineering and ISSO/ISSE support requirements.
• Analyze security architecture, control implementation, inheritance, boundaries, system interconnections, and authorization documentation within RMF activities.
• Translate technical system attributes into labor mapping, staffing, reporting, chargeback, and cost-recovery recommendations.
• Partner with ISSOs, system owners, architects, and program leadership to document repeatable categorization decisions and maintain a compliant framework.
• Support automation, workflow, reporting, and continuous-improvement efforts as policies, technologies, and organizational requirements change.

Requirements

• Active Top Secret clearance with SCI eligibility is required to start.
• Bachelor’s degree in information security, computer science, engineering, information systems, or a related technical field; equivalent experience may be considered.
• At least 5 years of experience in cybersecurity engineering, information assurance engineering, system security engineering, or ISSE support in a federal environment.
• Strong knowledge of FIPS-199, NIST SP 800-37, NIST SP 800-53, CNSS 1253, RMF, and system security engineering principles.
• Experience assessing complex systems, security architecture, control implementation, risk categorization, and technical security documentation.
• One of the following certifications is required: CISSP, CASP+, CISM, CCSP, CAP, or an AWS/Azure security certification.

Nice to have

• Experience supporting FBI, DOJ, DoD, Intelligence Community, or other federal national security customers.
• Experience with classified systems, cross-domain solutions, or National Security Systems.
• Experience with GRC platforms, structured security-data repositories, workflow orchestration, automation, or cybersecurity reporting tools.

Culture & Benefits

• Regular employment with an on-site work arrangement.
• Values emphasize helpfulness, honesty, humility, continuous improvement, and mission-focused execution.