Arnaldo Arcia Hernández
IT System Administrator
Naples,FL
Summary
Driven Systems Administrator with +10 years of experience in software implementation and maintenance. Proven history of managing complex infrastructures and data center operations. Expert in solutions-oriented business application problem-solving and dedicated to providing best-in-class service. Skilled at troubleshooting, communication and collaboration.
Overview
14
14
years of professional experience
2
2
Languages
Work History
Enterprise System Administrator
Caldic Latin America
03.2009 - 05.2023
- Installed important security and functionality patches to maintain optimal protections against intrusion and system reliability in more than of 100 server and + 1000 workstations.
- Analyzed complex project server issues and worked on large enterprise and business-critical applications.
- Performed software installations and OS upgrades to support layered software packages.
- Introduced management tools to create and manage virtual server computing environment.
- Worked with users to determine areas of technology in need of improved usability.
- Diagnosed and resolved hardware and software issues.
- Planned and implemented upgrades to system hardware and software.
- Managed onboarding and offboarding of employees.
- Implemented, developed and tested installation and update of file servers, print servers and application servers.
- Led server infrastructure development, quality assurance, staging and production systems.
- Established network specifications and analyzed workflow, access, information and security requirements.
- Maintained flexible schedule and responded to after-hours and weekend emergencies.
- Installed and configured network printers and other peripheral devices.
- Diagnosed and executed resolution for network and server issues.
- Developed and documented network policies, procedures and standards.
- Created and administered profiles and accounts, also maintaining systems documentation.
- Implemented standard software and hardware to promote server data integrity.
- Maximized system availability through development and testing of contingency plans.
- Devised scripts and automation tools to improve system efficiency.
- Evaluated software products to determine compatibility with existing systems.
- Analyzed network traffic and performance metrics to optimize system performance.
- Resolved network issues and equipment and software troubleshooting queries to maintain data accessibility.
- Monitored networks and network devices to resolve technical problems quickly.
- Designed and evaluated WAN and LAN connectivity technologies.
- Identified and resolved network congestion issues and bottlenecks.
- Researched and recommended new technologies and strategies for improving system performance.
- Developed comprehensive documentation for systems administration procedures, increasing team efficiency across knowledge sharing activities
- Coordinated with other IT departments on projects and initiatives that required enterprise system integration, ensuring seamless collaboration and timely project completion
- Provided exceptional customer service by responding promptly to user requests, addressing concerns professionally, and offering solutions tailored to their needs
Education
Science in Information Technology - Information Technology
Eduardo Garcia Delgado
La Habana, Cuba 05.2001 -
Skills
INTUNE, Microsoft Endpoint Manager: management and deploy of Office mobile app, PC app, data Protection, Windows UpdateServers Administration: Microsoft Windows Server (Active Directory services, AD infrastructure's); Linux Enterprise Internet Protocol Suite (TCP/IP), DNS, DHCP, SMB, HTTP, FTP, SMTP, SSLCloud Services: Microsoft Azure and O365, FundamentalsInformation and communications securitySecurity firewall and communications equipment: Fortinet, Cisco, WatchGuard, Ubiquity NetworksManagement with ISPs; Internet services, communications, other providers, and contractors Management of surveillance camera infrastructures, building security, perimeter accesses, othersGuarantee technological tools to users (computer equipment, IP telephony, others) guarantee their availability, reliability, and security Support to desktop to end usersManagement of local projects, management of annual budget programs, identification of opportunities for improvement; planning of preventive-corrective maintenance; technology purchasesAuditor of ISO Management Systems, ISO 9001 standards; 14001; OSHAS 45001
Configuration Management
Hardware Maintenance
Disaster Recovery
Capacity Planning
Security Protocols
Server Management
Incident Management
Patch Management
Application Support
Performance Tuning
Mobile Device Management
Hardware Installation
Monitoring Tools
Network Security
Startup and Shutdown Management
User Support
Vendor Relationship Management
Team Collaboration
Virus Protection
Technical Troubleshooting
PC Diagnostics
VoIP Systems
Connectivity Resolution
Decision-Making
Virtual Machine Operation
Permissions and Access Control
Workstation Maintenance
Cloud Management
Servers Expertise
Attention to Detail
System Upgrades
Firewall Management
System Updates
Studies
- 01/01/2002, 01/01/2005, Telecommunications Engineering, Havana - Cuba Institute Superior Polytechnic «José Antonio Echevarria.»
- 01/01/1997, 01/01/2000, Computer Technician, associate degree, Havana - Cuba Polytechnic Institute «Eduardo García Delgado»
- 01/01/1994, 01/01/1997, High School diploma, Havana - Cuba Institute « Celia Sánchez Manduley »
Training
- 01/01/2019, Computer Security
- 01/01/2018, Technical Support and Maintenance
- 01/01/2015, Microsoft Official Course, 20410D Configuring Advanced Windows Server 2012 Services
- 01/01/2015, Microsoft Official Course, 20411D Administering Windows Server 2012
- 01/01/2015, Microsoft Official Course, 20412D Installing and configuring Windows Server 2012 Services
- 01/01/2014, Seminar Legal Requirements in Quality, Health, and Occupational Safety and Environment
- 01/01/2013, Computer Security Workshop: The Dark Side of the Network
- 01/01/2013, Metrology workshop and control of monitoring and measurement equipment
- 01/01/2013, Seminar Planning Environmental Management Systems in Occupational Health and Safety
- 01/01/2012, Comprehensive Internal Auditors Training Seminar, ISO 9001, 14001, OSHA 18001
- 01/01/2012, Official course CISCO CCNA Exploration Accessing the WAN
- 01/01/2012, Official course CISCO CCNA Exploration LAN Switching and Wireless
- 01/01/2011, Official course CISCO CCNA Exploration Routing Protocols and Concepts
- 01/01/2011, Official course CISCO CCNA Exploration Network Fundamentals
- 01/01/2009, KPMG Seminar, Interpretation of ISO 27001, Information Security
- 01/01/2006, Linux Administration Course, GNU with TCP/IP
Timeline
Enterprise System Administrator
Caldic Latin America
03.2009 - 05.2023
Science in Information Technology - Information Technology
Eduardo Garcia Delgado
05.2001 -