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
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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 -
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