Charles Gabriel
Cybersecurity Engineer
New Braunfels,TX
PROFESSIONAL SUMMARY
Cybersecurity Leader with 10+ years of experience securing enterprise, cloud, and healthcare environments. Specialized in cybersecurity risk management, cloud security, vulnerability management, and enterprise security operations. Proven ability to lead security programs, strengthen organizational security posture, and drive measurable risk reduction across large, complex environments. Adept at partnering with engineering, leadership, and cross‑functional teams to implement scalable security controls and improve operational resilience.
CORE COMPETENCIES
Cybersecurity Governance & Risk
- Cybersecurity Risk Management
- Security Compliance (NIST 800-53 / RMF)
- Security Control Assessments
- Security Policy Development
- Security Audits & Compliance Reviews
Security Operations
- Incident Response Coordination
- Vulnerability Management
- Threat Intelligence Analysis
- Security Monitoring & Risk Mitigation
Cloud & Infrastructure Security
- AWS Cloud Security
- Azure Cloud Security
- Secure System Authorization
- Enterprise Security Architecture
Security Tools
- eMASS | Xacta | Nessus | ACAS
- Fortify | OpenVAS | Nmap
- Checkmarx | Sophos
KEY ACHIEVEMENTS
- Strengthened enterprise security posture by leading compliance and authorization efforts for 50+ enterprise systems.
- Performed 1,000+ security assessments, identifying critical vulnerabilities and driving remediation across large portfolios.
- Reduced enterprise risk by implementing vulnerability scanning and remediation programs using ACAS/Nessus.
- Improved security maturity for healthcare environments protecting PHI/ePHI across multiple hospital networks.
Overview
12
12
years of professional experience
Work History
Team Lead/ Cyber Security Analyst
Smartronix
San Antonio
10.2023 - 11.2025
• Led cybersecurity analysts supporting enterprise security and compliance initiatives.
• Directed security authorization and compliance activities for 50+ enterprise systems.
• Developed security documentation and implemented scalable security controls.
• Conducted vulnerability analysis and coordinated remediation with engineering teams.
• Executed risk mitigation strategies to protect mission critical infrastructure.
ISSO / Senior Security Analyst
Oasis Systems
San Antonio
03.2020 - 09.2023
• Managed cybersecurity risk and compliance for enterprise applications.
• Implemented security controls and coordinated authorization activities.
• Led continuous monitoring and vulnerability remediation processes.
• Oversaw POA&M management and risk reduction initiatives.
• Provided cybersecurity guidance to technical teams and leadership.
Senior Security Analyst
Leidos Inc
Austin
03.2020 - 03.2022
• Supported cybersecurity governance and compliance for cloud based enterprise applications.
• Developed security documentation aligned with enterprise policies.
• Conducted vulnerability assessments and security monitoring.
• Coordinated remediation actions addressing identified risks.
Army Futures Command – Information Specialist IV / Alt Lead ISSO
Kaihouna LLC
Austin
11.2019 - 03.2020
• Reviewed security controls for 53 cloud systems supporting enterprise operations.
• Conducted ACAS/Nessus vulnerability analysis and supported remediation.
• Trained cybersecurity personnel on control implementation and compliance.
• Supported enterprise cloud migration initiatives.
Information System Security Manager
Diligent
San Antonio
07.2019 - 09.2019
• Developed cybersecurity policies, procedures, and system documentation.
• Implemented AWS cloud security controls supporting secure deployments.
• Conducted vulnerability assessments and compliance reviews.
• Coordinated system authorization efforts with senior leadership.
PMH National IT Security Analyst (West Region)
Prospect Medical Holdings
Los Angeles
04.2018 - 03.2019
• Managed cybersecurity operations supporting hospital networks and healthcare systems.
• Served as SME for HIPAA and security compliance.
• Led incident investigations and coordinated response with SOC teams.
• Developed security policies protecting PHI and sensitive healthcare data.
Earlier Roles (2014 - 2018)
Information Assurance Specialist – DTSI Information System Security Officer – FWG Solutions Information Assurance Manager – Phacil Security Control Assessor – Scientific Research Corporation
Education
Master of Management -
Webster University
Bachelor of General Studies -
University of Nebraska at Omaha
Associate of Information Management -
Community College of the Air Force
Certification
Security+
CASP+
Security X
Training Certificates
AWS AI Practitioner • AWS Cloud Practitioner Zero Trust • CISM (Training) CompTIA CySA+ Microsoft Azure Fundamentals (AZ‑900) Microsoft 365 Fundamentals Python Foundation
Timeline
Team Lead/ Cyber Security Analyst
Smartronix
10.2023 - 11.2025
ISSO / Senior Security Analyst
Oasis Systems
03.2020 - 09.2023
Senior Security Analyst
Leidos Inc
03.2020 - 03.2022
Army Futures Command – Information Specialist IV / Alt Lead ISSO
Kaihouna LLC
11.2019 - 03.2020
Information System Security Manager
Diligent
07.2019 - 09.2019
PMH National IT Security Analyst (West Region)
Prospect Medical Holdings
04.2018 - 03.2019
Master of Management -
Webster University
Bachelor of General Studies -
University of Nebraska at Omaha
Associate of Information Management -
Community College of the Air Force