ROBERT J. KELLEYRIGSBY
Information Assurance Engineer | Cybersecurity Expert | U.S. Navy Veteran

EXECUTIVE SUMMARY
Highly accomplished Information Assurance specialist with 10+ years of experience securing defense, government, and enterprise infrastructures. Expert in RMF navigation, ATO facilitation, and vulnerability management. Proven success in managing security for AWS cloud and VMware environments while translating complex mandates into technical execution.

CORE COMPETENCIES
• Cybersecurity: RMF, NIST SP 800-53, DAAPM, NISPOM, ATO, Continuous Monitoring, DISA STIGs
• Security Tools: Nessus, HBSS, Splunk, XACTA
• Cloud & Virtualization: AWS, VMware, OpenShift
• Infrastructure: Windows, Linux (Red Hat), Cisco Networking, PKI, PowerShell

PROFESSIONAL EXPERIENCE

CACI International Inc. | Information Assurance Engineer
October 2023 – Present
• Oversee security for nine systems with independent ATOs across AWS, VMware, and physical sites.
• Author RMF documentation (System CONOPS, monitoring plans, and network diagrams).
• Reduced ATO approval timelines from 30 days to under one week.
• Implemented 1,000+ security controls and conducted 2,600+ test procedures.
• Align technical software requests with strict cybersecurity compliance standards.
• Mentor junior staff on RMF methodologies and information assurance protocols.

Internal Revenue Service | Cybersecurity Technical Advisor
May 2023 – October 2023
• Advised on technology procurement and federal information system hardening.
• Assessed technical security requirements during planning and acquisition phases.
• Provided strategic guidance to technical leads and non-technical stakeholders.

Sierra Nevada Corporation | Information Systems Security Manager
November 2019 – May 2023
• Directed RMF activities for high-stakes classified information systems.
• Validated 316 security controls and 1,413 Control Correlation Identifiers (CCIs).
• Managed audits via DISA STIGs, Nessus, HBSS, and network monitoring tools.
• Secured inaugural DCSA/NISPOM ATO and successful annual re-authorization.

World Wide Technology | Project Manager / Server Systems Analyst
August 2018 – November 2019
• Managed DoD infrastructure modernization for 4,000+ global servers.
• Orchestrated hardware deployments and VMware configurations.
• Executed HP-UX patching and enterprise-grade hardware integration.

United States Navy | Information Technology & Cybersecurity Roles
August 2012 – August 2018
• Achieved a 98% cybersecurity inspection score (East Coast record) leading 17 personnel.
• Remediated 2,140+ CAT-1 vulnerabilities and managed 18 IA controls.
• Maintained network continuity during the 2017 global ransomware crisis.
• Reduced CANES system migration downtime from three weeks to 72 hours.
• Administered classified Windows/Linux networks and Cisco/PKI security.

EDUCATION
Associate of Science in Cybersecurity
Trident University International | Summa Cum Laude (GPA: 3.93)

CERTIFICATIONS
• CompTIA Security+
• CompTIA A+
• VMware Certified Associate
• ADNS Routing and Configuration
• HBSS Configuration and Administration

AWARDS & RECOGNITION
• Navy and Marine Corps Achievement Medal
• Joint Service Achievement Medal
• Admiral's Letter of Commendation
• Information Dominance Warfare Specialist