Summary
Overview
Work History
Education
Skills
Certification
References
Work Availability
Languages
Generic

David McCallister

Wheaton,IL

Summary

Friendly Help Desk Technician with four years quickly and effectively resolving customers' technical issues. Dedicated to exceeding client expectations by verifying satisfactory resolutions for every submitted ticket. Skilled at maintaining positive communications even in stressful situations. Ready to leverage deep technical knowledge and amiable personal interactions to provide superlative technical responses. Over 150 reviews from end users, with nothing less than a positive rating.

Overview

4
4
years of professional experience
1
1
Certification

Work History

IT Help Desk Technician

The Isidore Group
05.2021 - Current
  • Responded to support requests from end-users and patiently walked individuals through basic troubleshooting tasks.
  • Configured hardware, devices, and software to set up work stations for employees.
  • Configured and maintained firewalls and other network infrastructure from multiple vendors including Cisco and Unifi
  • Maintained daily backups using several types, including Axcient Replibit and Veeam with replication to off-site vault for safekeeping
  • Took on training of new technicians in daily tasks as well as ongoing education for current team on newly-deployed systems
  • Daily work in Active Directory, Office 365 administration, Virtualized and physical servers, network administration and security analysis


Help Desk Support Intern

Alera Group, Inc
07.2020 - 03.2021
  • Assisted end-users with software installation and troubleshooting, increasing productivity.
  • Monitored network activity for security breaches or potential threats, contributing to a safer digital environment.
  • Assisted with migration team as new clients were onboarded to ensure a seamless transition of emails without disruption

Education

High School Diploma -

Notre Dame High School For Boys
Niles, IL
05.2006

Skills

  • Active Directory/Azure AD
  • Office 365 Administration
  • VPN Configuration
  • Hardware Repair
  • Self Motivation
  • Friendly and Patient
  • Security Protocols
  • Server Administration
  • VMWare and Hyper-V
  • Virtualization Technologies
  • Customer Service
  • Ticket management

Certification

  • Cisco CCENT
  • CJIS Certification
  • Kaseya Certified Technician
  • CompTIA A+ Part 1
  • SentinelOne Partner

References

Travis Zavorotny - System Admin, WRA Engineering 

Zavorotnytravis@gmail.com (443) 226-7209


J. Scott Petersen - Onboarding Specialist, Alera Group, Inc. 

jayespea@gmail.com (231) 383-2603

Work Availability

monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Languages

Spanish
Upper intermediate (B2)

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David McCallister