Jimmy Diaz
San Antonio,TX
Summary
Experienced professional with a strong background in technology-related roles. Proficient in software development, system administration, and technical support. Skilled in problem-solving and optimizing performance. Capable of managing projects and collaborating effectively with teams. Committed to continuous learning and staying current with industry trends to contribute to organizational success.
Overview
17
17
years of professional experience
1
1
Certification
Work History
Senior Systems Administrator
Leidos
02.2024 - Current
- Supported Air Force operators of Cyber Vulnerability Assessment/Hunt weapon system (CVA/H).
- Assisted in developing, testing, and evaluating enhancements focused on cybersecurity.
- Ensured quality and reliability of weapon system components through thorough testing and validation.
- Contributed to creating and refining technical documentation and operational procedures.
- Prepared servers, switches, firewalls, and devices by applying pre-approved software configurations.
- Trained team members across multiple departments, enhancing proficiency with weapon system components.
Systems Administrator
Technica Corporation
06.2019 - 02.2024
- Maintained software baseline, configuration control, security compliance, and operational functionality of CVA/H weapon system components.
- Coordinated configuration and maintenance of servers, laptops, security sensors, storage arrays, and network infrastructure.
- Led collaborative testing sessions to identify and address findings from new CVA/H releases.
- Collaborated with third-party vendors to resolve issues and distribute software updates.
- Provided support across infrastructure, network, and workplace services to enhance capabilities.
- Coordinated deployment of SecureView SDC and VDI updates for over 500 systems.
- Created an image to mitigate a critical vulnerability on 280 systems and patched them within six days.
- Facilitated implementation of a password bug fix, enabling continued operations for five missions.
Senior Capabilities Manager
National Security Agency
01.2016 - 04.2019
- Managed Agency's IT infrastructure to ensure peak performance and minimal downtime.
- Served as Lead Network Manager for Global Enterprise Command Center.
- Provided situational awareness to NSA leadership regarding global IT network outages.
- Coordinated restoration of site-wide power outages affecting mission-critical systems.
- Resolved mission-critical server outage impacting over 30,000 users in under eight hours.
- Mitigated mobile device failure, reinstating access for Director of NSA within one hour.
- Restored failed Exchange server, ensuring IT availability for over 40,000 members.
- Facilitated communication among six teams to resolve outages, safeguarding U.S. forces.
Client Systems Technician
US Air Force
04.2015 - 01.2016
- Executed client systems administration duties to support personnel on NIPRNet/SIPRNet.
- Ensured operational capability of AF base’s data, voice, video, and cryptographic infrastructure.
- Performed effective troubleshooting, repair, and performance analysis to sustain systems.
- Installed and supported diverse computing systems including LANs, WANs, servers, and desktops.
- Managed account and access landscapes to ensure security compliance and efficient user privileges.
- Tracked and recorded mission-impacting incidents for operational awareness.
- Deployed over $75,000 in new IT equipment for multiple fighter aircraft missions.
- Developed work center database that identified over 350 device anomalies for system administrators.
Systems Administrator
Brownsville ISD
08.2008 - 07.2014
- Administered core services, managing user accounts, passwords, email, and network permissions.
- Oversaw installation and maintenance of IT equipment and assets to ensure optimal performance.
- Authored Knowledge Base Articles to assist technicians with software installation and common issue resolutions.
- Managed inventory control database, ensuring compliance with established policies and procedures.
- Deployed upgrades and patches across workstations to meet security standards.
- Conducted campus surveys to enhance WAP installation and upgrades for improved security and coverage.
Education
Bachelor of Science - Network Operations and Security
Western Governors University
01.2021
Skills
- Cybersecurity
- Network configuration
- Server administration
- Technical documentation
- Vulnerability assessment
- System performance
Certification
- CompTIA Certified Advanced Security Practitioner CASP+ (SecurityX) -(Active), CompTIA Security+ CE- CompTIA (Current), CompTIA Network+ CE- CompTIA (Active), and CompTIA A+ CE - CompTIA (Active).
- Cisco- CCNA Certification
Timeline
Senior Systems Administrator
Leidos
02.2024 - Current
Systems Administrator
Technica Corporation
06.2019 - 02.2024
Senior Capabilities Manager
National Security Agency
01.2016 - 04.2019
Client Systems Technician
US Air Force
04.2015 - 01.2016
Systems Administrator
Brownsville ISD
08.2008 - 07.2014
Bachelor of Science - Network Operations and Security
Western Governors University
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