David Hernandez
Gerald Auto Group
Aurora,IL
Work History
IT Support Manager
2 Years 7 Months- Managed system maintenance by troubleshooting hardware and software issues, collaborating with department heads to assess IT needs, ensuring optimal network performance.
- Managed system maintenance by troubleshooting hardware and software issues and implemented solutions to optimize operations. Collaborated with department heads to assess information technology needs to ensure network performance.
- Installed, configured, and monitored hardware and software across 20 stores statewide, achieving 23% reduction in downtime through preventive maintenance and software deployments.
- Establish and maintain test/development environments, ensuring accurate production simulations; coordination efforts improved business continuity, met compliance needs, and reduced recovery time by 27%.
Senior System Administrator
3 Years 1 Month- Implemented system upgrades, troubleshot complex IT problems, and led disaster recovery planning; coordinated with support staff to enhance operational efficiency and support company growth.
- Implemented system upgrades, troubleshot complex IT problems, and led efforts in disaster recovery planning. Additionally, coordinated with support staff to optimize the company’s growth and operational efficiency.
- Assisted in evaluating hardware, firewall, and vendor solutions, improving system performance by 21% and reducing security vulnerabilities; cost-effective efforts led to saving 10% in procurement costs with integrations.
- Evaluated hardware, firewall, and vendor solutions, enhancing system performance by 21% and reducing security vulnerabilities; achieved 10% savings in procurement costs through cost-effective integrations.
System Administrator
11 Months- Managed and maintained the information technology infrastructure of a 35-person auto sales and financial team location. Implemented upgrades, managed backups, and supported the security of all systems.
- Set up servers across 8 separate company locations, ensuring system performance and security; ensured all operating systems had uninterrupted network connectivity through regular system upgrades and maintenance.
- Delivered office area upgrades, completing projects 10% under budget while exceeding performance requirements, optimizing operational efficiency and user satisfaction.
- Set up servers across 8 company locations, ensuring system performance and security while maintaining uninterrupted network connectivity through regular upgrades and maintenance.
- Managed server configurations and maintenance for optimal performance and reliability.
Help Desk Technician
10 Months- Provided technical support to dealership staff, resolving hardware, software, and network issues, while maintaining user accounts and device configurations to ensure seamless connectivity for point-of-sale systems.
- Provided technical support to dealership staff, resolving hardware, software, and network issues. Maintained user accounts, device configurations, and ensured connectivity for dealership point-of-sale systems.
- Diagnosed and repaired hardware failures, software conflicts, and connectivity issues, ensuring minimal disruption to daily operations; implemented preventive measures, reduced by 18% recurring technical issues.
- Documented system improvements, issues, and resolutions for future reference and audits, enhancing on-time scheduled maintenance and ensuring compliance of software upgrades.
1
Language
1
Certification
8
years of professional experience
Results-driven Department Supervisor and Systems Administrator with 6 years of experience managing IT infrastructure and optimizing system performance. Led system upgrades, maintained network security, and resolved complex hardware and software issues. Focused on server management, virtualization, and disaster recovery planning, while collaborating with cross-functional teams to enhance operational efficiency and align with business objectives.
Education
Bachelor of Science - Cyber Security
Skills
Server administration
Server administration
VMware and Hyper-V expertise
Virtualization expertise
Firewall configuration
Disaster recovery planning
Network setup
Technical support
Analytical problem-solving
Problem solving
Accomplishments
- Network and System Administration - Led the design, implementation, and management of a company-wide network infrastructure upgrade, improving system performance and security across multiple locations.
- Cross-functional collaboration - Worked closely with department heads to identify technological needs, leading to the successful implementation of a new company-wide communication system that improved interdepartmental efficiency.
- System Upgrades and Migrations Planning - Expert in assessing legacy systems, orchestrating cross-functional teams, and implementing new technologies that enhance performance and security, while maintaining compliance standards.
Certification
Voice-over IP Telephone Specialist Certification, Computer and Internetworking Technologies Certificate, Cisco Certified Network Associate Security Certification
Personal Information
Title: DEPARTMENT MANAGER | SYSTEMS ADMINISTRATOR | HELP DESK TECHNICIAN
Languages
Spanish
Native or Bilingual
Timeline
IT Support Manager
Gerald Auto Group
02.2024 - CurrentRead More
Senior System Administrator
Gerald Auto Group
12.2020 - 01.2024Read More
System Administrator
Gerald Auto Group
12.2019 - 11.2020Read More
Help Desk Technician
Gerald Auto Group
01.2019 - 11.2019Read More
Rasmussen College
Bachelor of Science from Cyber Security
Read More