Erlan Antelo Castro

· Fiber Optic installation

· Troubleshooting

• Reduced downtime with proactive monitoring of network devices and rapid troubleshooting.
• Delivered end-user support by troubleshooting connectivity issues and providing guidance on proper usage of networking equipment.
• Provided network support services for devices such as hubs, bridges, routers, and other hardware.
• Structural Wired

• Managed network and system performance, conducting troubleshooting, security patching, and maintenance.
• Optimized helpdesk performance through process improvements, enabling faster response times and increased user satisfaction levels.
• Configured all hardware devices and software settings to optimize network Performance (Cisco, Juniper, Fortinet).
• Operating Systems: Windows and Mac. Linux Server, Centos, Red Hat, SMB Server
• Data Center Administrator, Structural Wired

• Handled network configurations after hours and on weekends to alleviate downtime and maintain smooth operations.

• Updated hardware and software upon availability and supervised network to eliminate bottlenecks immediately.

• Established policies and procedures for publishing Web pages and applications in conjunction with content creators and sales staff.

• Monitored system upgrades, which included patches, service packs, hot fixes and new configurations.

• Configured all hardware devices and software settings to optimize network Performance (Cisco, Juniper)

• Handled troubleshooting tasks related to the components for Local Area Networks, Wide Area Networks and voice systems.

• Installed wiring, cabling and devices to establish, repair and improve network operations.

• Operation and maintenance DNS server (Infoblox, Akamai, Bind), Active directory (Windows 2012, 2016).

• Exchange Server 2012, Office365, SMTP server, Sendmail, postfix server, POP server, FTP, TFTP server, VPN connections.

• Operating Systems: Windows and Mac. Linux Server, Centos, Red Hat. □ Protocols: OSPF, BGP

• Strong knowledge: STP, MPLS, IPv4/IPv6, VLAN.

• Helpdesk to more than 40 users.
• Preventive and corrective maintenance of hardware and software. Installation and update of operating systems (Windows).
• Configured new employee workstations, including all hardware, software and peripheral devices.
• Updated software versions with patches and new installations to close security loopholes and protect users.
• Collaborated with support team to assist client stakeholders with emergent technical issues and develop effective solutions.
• Consulted via telephone to understand user problems, run through testing scripts and ask probing questions to locate root causes.
• Reviewed support cases for technical and troubleshooting accuracy and identified needed improvements in processes.
• Conferred with vendors to obtain replacement hardware or software and escalate more complex concerns.
• Set up new desktop systems and configured laptops for incoming employees, loading required software and server permissions.
• Disassembled computer systems to troubleshoot and resolve hardware issues.
• Data Center Administrator, Structural Wired.

• Preventive and corrective maintenance of hardware and software. Installation and update of operating systems (Windows, Asterisk).
• Configured new employee workstations, including all hardware, software and peripheral devices.
• Updated software versions with patches and new installations to close security loopholes and protect users.
• Reviewed support cases for technical and troubleshooting accuracy and identified needed improvements in processes.
• Disassembled computer systems to troubleshoot and resolve hardware issues.
• Investigated technical issues using knowledge base and personal experience to complete timely resolutions.
• Data Center Administrator, Structural Wired.
• Asterisk IP telephony.
• Firewall Juniper Administrator.

• Explained technology-related details in easy-to-understand terms to individuals from all walks of life and in various job positions.
• Advocated for end-users, performing tests and problem analysis for server, desktop and IT infrastructure work.
• Consulted via telephone to understand user problems, run through testing scripts and ask probing questions to locate root causes.
• Updated software versions with patches and new installations to close security loopholes and protect users.
• Removed malware and viruses from laptops and desktop systems using specialized software.
• Configured new employee workstations, including all hardware, software and peripheral devices.
• Disassembled computer systems to troubleshoot and resolve hardware issues.
• Worked with clients to analyze computing and network needs and installed appropriate solutions.
• Data Center Administrator, Structural Wired. Switches and Routers Administrator.