Summary
Overview
Work History
Education
Skills
Timeline
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Jeannette  Ellis

Jeannette Ellis

Gardena,CA

Summary

Dedicated and versatile IT specialist with over 7 years of experience in technical support, systems administration, and customer service. Proven track record of streamlining IT processes, managing hardware and software lifecycles, and resolving complex technical issues. Combines deep technical expertise with strong office management and client relationship skills to enhance operational efficiency and user satisfaction. Adept at vendor coordination, inventory management, and cross-functional team collaboration.

Overview

18
18
years of professional experience

Work History

IT Specialist

20/20 Plumbing & Heating
Riverside, CA
08.2019 - 07.2026

Delivered comprehensive technical support to a 100+ user organization while driving process improvements and managing IT assets. Successfully streamlined help desk workflows and maintained a 100% system uptime rate.

  • Delivered Tier 1 and Tier 2 technical support for hardware, software, network connectivity, and end-user issues via phone, email, remote support, and in person.
  • Diagnosed and resolved desktop, laptop, printer, operating system, and application issues using structured troubleshooting and root cause analysis.
  • Installed, configured, and deployed computer hardware, operating systems, business applications, and peripheral devices for new and existing employees.
  • Managed user accounts, access permissions, security settings, and password resets while maintaining data security and system integrity.
  • Maintained IT asset inventory, software licensing records, and equipment lifecycle documentation to support operational compliance.
  • Created and maintained technical documentation, troubleshooting guides, and knowledge base articles to improve support consistency and reduce issue resolution time.
  • Performed preventative maintenance, software updates, antivirus deployment, and system health checks across workstations and IT infrastructure.
  • Documented incidents, resolutions, and troubleshooting procedures within the help desk ticketing system.
  • Collaborated with cross-functional teams and third-party vendors to resolve complex technical issues and minimize business downtime.
  • Assisted with onboarding by provisioning employee workstations, configuring user accounts, and providing end-user training on IT systems and support procedures.
  • Identified opportunities to streamline IT support processes, improving operational efficiency and service delivery.
  • Served as the primary point of contact for external IT vendors, coordinating hardware repairs and software license renewals.

Office Manager

ASC
El Segundo, California
04.2017 - 08.2019

Oversaw daily office operations, financial record-keeping, and administrative functions to optimize workflow and ensure compliance with company policies.

  • Managed accounts payable processes, invoice reconciliation, and billing inquiries while ensuring compliance with company policies.
  • Maintained financial records, reconciled account discrepancies, and prepared reports to support internal audits.
  • Collaborated with finance teams to improve billing accuracy and streamline administrative workflows.
  • Coordinated vendor communications and resolved account-related issues in a timely manner.

Sales Associate

Best Buy
El Segundo, California
03.2008 - 04.2017

Delivered exceptional customer service in a fast-paced retail environment, consistently exceeding sales targets through product expertise and client engagement.

  • Delivered customer-focused technical product recommendations based on individual business and consumer needs.
  • Troubleshot consumer electronics and provided product education to improve customer satisfaction.
  • Built strong client relationships while consistently meeting sales and customer service goals.
  • Collaborated with team members to maintain efficient store operations and inventory accuracy.

Education

Certifications: CompTIA A+
(In Progress,Expected Q4 2026)
08-2026

Some College (No Degree) - Psychology

Pima Community College
Tucson, AZ

Skills

*Operating Systems: Windows 10/11, macOS, iOS, Android

*Directory & Identity Management: Active Directory, Azure AD/Entra ID (User/Group Administration, MFA)

*Cloud & Collaboration: Microsoft 365 (Exchange, SharePoint, Teams)

*Ticketing & Documentation: ServiceNow, Issuetrak, Knowledge Base Creation

*Networking & Connectivity: TCP/IP, DNS, VPN Configuration & Troubleshooting

*Security & Endpoint Protection: Microsoft Defender, BitLocker, Trend Micro, Antivirus Deployment

*Hardware & Peripherals: Desktop/Laptop Deployment, Printer & Peripheral Support

*IT Operations: IT Asset Management, User Account Lifecycle Management, Technical Documentation, Remote Support Tools

Timeline

IT Specialist

20/20 Plumbing & Heating
08.2019 - 07.2026

Office Manager

ASC
04.2017 - 08.2019

Sales Associate

Best Buy
03.2008 - 04.2017

Certifications: CompTIA A+

Some College (No Degree) - Psychology

Pima Community College
Jeannette Ellis