Ernesto Jay De Vera
Chino
Summary
IT professional transitioning into cybersecurity, bringing 10+ years of system administration, secure configuration, and network operations center experience. Skilled in hardening systems, patching, AD management, VMware, and providing technical support. U.S. Navy veteran with proven leadership, training, and troubleshooting abilities. Active security clearance.
Overview
10
10
years of professional experience
1
1
Certification
Work History
Senior System Administrator
Raytheon
04.2023 - Current
- Managed system configurations and updates to ensure optimal performance and security compliance.
- Implemented backup strategies to safeguard critical data and maintain system integrity.
- Mentored junior administrators, fostering skill development and knowledge sharing within the team.
- Administered user access controls, maintaining security protocols while facilitating user productivity.
- Designed scalable infrastructure to support organizational growth while minimizing costs and maintaining performance standards.
- Applied STIG guidelines to harden Linux and Windows operating systems, ensuring systems met required security compliance, and audit standards.
Information Systems Technician
United States Navy, USN
08.2015 - 04.2023
- Installed and configured hardware and software for various systems and applications.
- Monitored network performance, identifying issues, and implementing solutions to enhance reliability.
- Provided technical support to personnel, troubleshooting system errors and optimizing user experience.
- Training Petty Officer responsible for onboarding and training personnel on Navy regulations and IT procedures.
Education
Master of Science - Cybersecurity
University of Maryland Global Campus
Hyattsville, MD05-2027
Bachelor of Science - Computer Networks And Cybersecurity
University of Maryland Global Campus
Hyattsville, MD12-2021
Skills
- Network Operations Center (NOC)
- Active Directory management
- Windows administration
- System upgrades
- Backup and recovery
- IT security management
- Linux administration
- VMware vSphere management
Certification
CompTIA Security+
Timeline
Senior System Administrator
Raytheon
04.2023 - Current
Information Systems Technician
United States Navy, USN
08.2015 - 04.2023
Master of Science - Cybersecurity
University of Maryland Global Campus
Bachelor of Science - Computer Networks And Cybersecurity
University of Maryland Global Campus