CHRISTIAN KIYOKO

Summary

Experienced and customer-focused IT Support Specialist with proven expertise in troubleshooting technical issues, managing IT infrastructure, and delivering exceptional customer service. Proficient in hardware, software, and network support across Windows, macOS, and Linux environments. Skilled at translating technical concepts for non-technical users and optimizing system performance in fast-paced, high-demand settings. Seeking to leverage strong problem-solving skills and technical knowledge to support enterprise IT operations.

Overview

Certification

years of professional experience

Work History

IT Technical Support Specialist

McLane Company

Arlington, TX

08.2022 - Current

Provide Tier 1 and Tier 2 technical support for internal employees across desktops, laptops, mobile devices, printers, and enterprise applications.
Install, configure, and maintain operating systems and software applications in a corporate environment.
Perform DNS add/change/delete requests, maintain record types, and DNS troubleshooting tasks.
Troubleshoot network issues, including connectivity, DHCP, and escalate complex issues to Tier 3 or vendors.
Manage user accounts, permissions, and password resets within Active Directory.
Perform VLAN configuration in support of add/change/delete requests.
Knowledge of TCP/IP routing protocols( OSPF, RIP, EIGRP and BGP).
Working with Hardware: Routers and Cisco networking equipment 6500/2750/3650/3550/3400 ME/2950LRE Switches.
Knowledge of Network design, Routing, and IP Subnetting.
Ability to work independently, prioritize tasks, and meet deadlines in a fast-paced environment.
Perform other duties as needed or assigned by the supervisor.

VoIP Analyst

Spectrum VoIP

Plano, TX

05.2021 - 07.2022

Experience with IT ticketing systems (e.g.,ServiceNow, Zendesk).
Strong Customer Service and technical support background.
Comprehensive understanding of the OSI Model and TCP/IP protocol suite.
Troubleshooting of network VoIP equipment, handsets, and other peripherals.
Provide basic system Network Security support.
Assist in performing network analysis and monitoring.
Troubleshooting Customers VoIP Fax connection problems.
Installed, configured, and managed VoIP systems and equipment for small to medium-sized businesses.
Collaborated with vendors and internal teams to escalate and resolve service disruptions.
Provide remote customer support for Network and Data services and solutions.
Train end users on software and hardware usage via phone and Email.
Maintained detailed records of customer interactions and solutions.

Education

Associate of Science - Network Administration And Support

Tarrant County College

Fort Worth, TX

Bachelor of Science - Mathematics & Statistics

The University of Texas At Dallas

Richardson, TX

Skills

Operating Systems: Windows, macOS, Linux (Ubuntu, CentOS)
Networking: TCP/IP, DNS, DHCP, Firewall,VPNs, network security, Routing/ Switching and other network components
Tools: Active Directory, Microsoft Office,Remote Desktop Tools( AnyDesk,TeamViewer), Ticketing Systems( Zendesk,ServiceNow),

Hardware: PC/Laptop Repair, Printer Troubleshooting
Software: Antivirus Solutions, Backup Software
Other Skills: IT Help Desk Support, Troubleshooting, Customer Service, documentation, multitasking abilities, organizational skills, and attention to detail