Summary
Overview
Work History
Education
Skills
Timeline
Generic

Christian Trejo

Coram,NY

Summary

Senior IT Specialist with over 6 years of experience in networking and system
administration, providing advanced technical support and infrastructure solutions
in enterprise environments. Proficient in resolving complex issues, mentoring Tier 1
specialists, and ensuring system reliability.

Overview

10
10
years of professional experience

Work History

Senior IT Specialist

SightMD
Hauppauge, NY
01.2023 - Current
  • Promoted from IT Support Specialist in recognition of technical expertise and leadership.
  • Directly manage and provide IT support (on-site and remote) for 15 assigned locations across Suffolk and Nassau County.
  • Continue to assist in remote support and troubleshooting for an additional 50+ locations company-wide.
  • Configure and maintain PCs, printers, phones, and network equipment; respond to user issues and service requests in a timely manner.
  • Set up and manage Group Policies, users, and computers within Active Directory/Domain Controller environments.
  • Manage quarantines, perform investigations, and deploy Chrome extensions within Gsuite.
  • Conduct routine maintenance on servers, workstations, and medical diagnostic equipment.
  • Monitor and troubleshoot network performance, resolving connectivity and infrastructure issues across supported locations.
  • Collaborate with IT leadership on infrastructure upgrades, deployments, and policy implementation.

IT Specialist

SightMD
Hauppauge, NY
08.2019 - 01.2023
  • Delivered remote and on-site technical support for 65+ medical office locations across NY, NJ, CT, PA and MA.
  • Provided L1 and L2 support for clinical and administrative systems, including EMR software and medical hardware.
  • Configured, deployed, and upgraded desktops, laptops, and networking equipment.
  • Installed and maintained operating systems, software applications, patches, and updates.
  • Diagnosed and resolved hardware issues by disassembling and repairing PC systems and peripherals.
  • Responded promptly to support requests via phone, email, and internal messaging systems, ensuring high user satisfaction.

Install Sales Service Associate

Lowes Home Improvment
Stony Brook, New York
02.2016 - 08.2019
  • Manage, coordinate, and organize all products for customer project installation.
  • Interface with all departments to instill that products are pulled and staged for jobs.
  • Schedule and interact with installers to control and inventory product pick-ups.
  • In charge of all project inventory and control of all products by keeping the IMS system updated.

Education

Certificate of Completion - Cisco Switch And Router Training

Technical Institute of America
New York, NY
07-2018

Certificate of Completion - Interconnecting Cisco Network Devices,

Hofstra University
Hempstead, NY
06-2017

Certificate of Completion - Computer Electronics & Network Fundamentals

Wilson Tech
Deer Park, NY
06-2016

Some College (No Degree) - Computer Networking

Suffolk County Community College
Selden, NY
06-2015

Skills

  • Windows Server Administration
  • Active Directory & Group Policy
  • Microsoft 365 Administration
  • G Suite Configuration & Management
  • System & Peripheral Device Support
  • Print Server Management
  • Microsoft Office Suite (Excel, Outlook, Word)
  • Network Configuration (Cisco, Aruba, Fortinet, Unifi)
  • Unifi Cloud Controller Management
  • PBX System Administration
  • Business Phone Systems (incl VoIP & legacy)
  • Network Monitoring & Troubleshooting
  • End-User Training & Technical Support
  • Customer Service & Communication

Timeline

Senior IT Specialist

SightMD
01.2023 - Current

IT Specialist

SightMD
08.2019 - 01.2023

Install Sales Service Associate

Lowes Home Improvment
02.2016 - 08.2019

Certificate of Completion - Cisco Switch And Router Training

Technical Institute of America

Certificate of Completion - Interconnecting Cisco Network Devices,

Hofstra University

Certificate of Completion - Computer Electronics & Network Fundamentals

Wilson Tech

Some College (No Degree) - Computer Networking

Suffolk County Community College

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