Ronald O.

About Ronald O.

With over 17 years of cybersecurity and intelligence experience in the federal and defense sectors, I specialize in leading security programs that balance mission requirements with compliance and risk management. My expertise spans system accreditation, enterprise vulnerability management, and secure architecture design for classified environments.Currently, I serve as an Information Systems Security Officer (ISSO) at Leidos, where I lead RMF and NIST 800-53 compliance initiatives across multiple classified DoD systems. I have driven successful Authority to Operate (ATO) approvals, guided red/blue team engagements, and implemented STIGs at scale — ensuring mission readiness while reducing risk exposure.Core Competencies: RMF • NIST 800-53 • ATO & C&A • Vulnerability Management • STIG Implementation • Secure Architecture • Risk Management • Cyber Threat Analysis • SIGINT • Red/Blue Team Support • DoD & Federal Security • Insider Threat • Security Policy Development • Team Leadership • Compliance Oversight • Critical Infrastructure Protection • Information Assurance • ISSO/ISSM SupportIn parallel, I serve as a Senior Intelligence Analyst with the U.S. Navy Reserve, supporting SIGINT, targeting, and cyber threat analysis for global defense operations. This dual perspective strengthens my ability to align cybersecurity strategy with real-world threat landscapes and national security priorities.I hold a B.S. in Management, an A.S. in Criminal Justice, and advanced certifications including CASP+ and CySA+, with CISSP in progress. I am also pursuing my Master’s in Cybersecurity and Information Assurance at Western Governors University, with anticipated graduation in February 2026.My leadership philosophy centers on mentoring junior analysts, shaping security policy, and building resilient teams that deliver secure mission outcomes under pressure.Active TS/SCI with CI Polygraph | Cybersecurity Leadership | DoD & Federal Risk Management | Mission-Focused Security

Experience

1. Information System Security Officer

   Leidos

   Jan 2023 — Present · Adelphi, MD, US

   Lead RMF-based ATO efforts for classified DoD systems, ensuring compliance with NIST 800-53 and FedRAMP/FISMA frameworks.Conduct security control assessments and maintain POA & Ms, SSPs, and associated artifacts within XACTA.Support vulnerability scanning and remediation using ACAS and SCAP tools across multiple enclaves.Collaborate cross-functionally with engineering and cybersecurity teams to align security posture with mission and compliance requirements.Support incident response planning, risk analysis, and continuous monitoring for mission-critical environments.

Education

• Berkeley College

  Associate's degree, Criminal Justice

  2016

• Western Governors University

  Master of Technology - MTech, Cybersecurity and Information Assurance

• University of Phoenix

  Bachelor of Science - BS, Management