Summary
Overview
Work History
Education
Skills
Certification
Work Availability
Work Preference
Languages
Interests
Websites
Timeline
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Sean Charlson

South San Francisco,CA

Summary

Professional with experience in desktop support and IT infrastructure. Proven ability to troubleshoot and resolve technical issues, ensuring seamless user experience. Strong focus on team collaboration, adaptability, and delivering results. Skilled in hardware and software installation, network configuration, and system maintenance. Respected for reliability and effective communication.

Overview

24
24
years of professional experience
1
1
Certification

Work History

Cloud & Infrastructure Administrator

LTI Mindtree, Inc.
05.2022 - 02.2025
  • Created custom application packages using PowerShell (PSAppDeployToolkit), VBScript, Intune, SCCM, Advanced Installer, Citrix Xen Desktop, MSIX, and Flexera AdminStudio.
  • Delivered Tier 3 technical support for complex end-user issues using the ServiceNow ticketing system.
  • Supported and maintained infrastructure and services, including Microsoft 365, Remote Desktop Services, and Microsoft Azure AD.
  • Managed custom task sequences for various deployment scenarios, including new hardware deployments and software installations.

Sr. Lead

Zensar Technologies, Inc.
09.2020 - 05.2022
  • Senior technical support for ServiceNow incidents, resolving complex technical issues for more than 15,000+ devices.
  • Track support tickets, document solutions, and create user guides as needed.
  • Collaboration with for clients, support teams, and management for all technical support related inquiries.
  • Configure Intune policies, manage Azure AD, and troubleshoot cloud-based applications.
  • Apply patches, updates, and antivirus protection using SCCM.
  • Windows 11 Imaging and Deployment using SCCM, MDT, Windows Autopilot, and managed devices using MIcrosoft Intune Endpoint polices.

Desktop Management

BreezeIT, Inc.
San Francisco, CA
09.2017 - 09.2020
  • Proactive 24/7 monitoring, network management, desktop and server administration, and IT support services for 89 regional client company offices locations.
  • Deploy, monitor, and optimize cloud environments for new and existing client companies.
  • Cloud computing control and administration using tools such as; Microsoft Azure, Microsoft 365, AWS, Crowdstrike, and Google Cloud.
  • Provide senior expert technical support for Windows and iOS devices, authorized desktop applications, hardware, and peripheral equipment for all client organizations.
  • Create and update support documentations, workflows, and checklists for all client organizational I.T. processes.
  • Maintained IT asset inventory and performed routine system maintenance.

Senior Application Packager

Raytheon Missile Systems
08.2014 - 08.2017
  • Collaborated with developers, application owners, and subject matter experts to ensure successful automated software installations using Wise Package Studio, JAMF, and Flexera AdminStudio; deployed packages via SCCM Management Console.
  • Ensured packaged applications were compatible with the organization's standard Windows image and performed application package remediation when necessary.
  • Conducted comprehensive testing across multiple system configurations and user profiles prior to production deployment.
  • Troubleshot installation failures, software conflicts, and performance issues related to deployed packages.
  • Delivered Tier 3 support for application-related issues and worked with end users to resolve escalated concerns.
  • Provided ongoing support and communication to end users throughout the application packaging and deployment lifecycle.

Desktop Design Engineer

Chevron Corporation
San Ramon, CA
11.2010 - 06.2014
  • Prioritized and resolved incidents, change requests, and service tickets in alignment with defined SLA deadlines.
  • Performed QA testing of software packages using SCCM to validate application builds and ensure deployment readiness.
  • Packaged and deployed mobile applications through Intune and maintained the enterprise application repository.
  • Managed user and device collections, develop automation scripts for routine maintenance, and troubleshot deployment and configuration issues.
  • Delivered desktop support services, assisting end users with hardware, software, and application-related issues.

Desktop Engineer

Bank of America Corporation
09.2000 - 06.2010
  • Senior Desktop Engineering support for Bank of America Online Banking department.
  • Manage over 10000+ devices and monitored over 374 applications using SCCM.
  • Performed monthly patch management duties.
  • Worked on various IT related projects and upgrades, such as: OS migration, server upgrades, and enterprise level security enhancements.
  • Created standardized protocols for documenting processes and technical tasks, enabling consistently repeatable results.
  • Streamlined deployment of new workstations by creating standardized images and automated installations.
  • Developed schedule for software maintenance and updates.
  • Conducted comprehensive testing on new software applications before deployment to ensure compatibility with existing systems.
  • Improved end-user satisfaction with efficient troubleshooting and timely resolution of hardware and software issues.
  • Inspected ticket resolution performance, identifying areas of possible improvement and directing identified weaknesses to engineering supervisor.

Education

Associate of Science - Computer Networking

Clark College
Vancouver, WA
08.2002

Certificate of Completion - Information Systems

Washington State University
Vancouver
07-2004

Skills

  • Deep understanding of Microsoft Windows 7/10/11 Environments, Windows Registry, User Profiles, Active Directory, GPO, security/permissions, and networking concepts
  • Core understanding of Microsoft Windows Server environments, configurations, and administration tools
  • Experience with enterprise level application packaging and scripting techniques for internal and third-party software Utilizing technologies such as AdminStudio, App-V, Wise Package Studio, JAMF, SCCM, Microsoft Endpoint Manager, MSIX, MSI, PowerShell and VBScript
  • Experience with SCCM architecture, design, administration, deployments, patching, OSD Imaging, collections, driver packages, task sequences, custom policies, software metering, and reporting
  • Advanced understanding of virtualization concepts and functional working skills with various virtualization technologies (create/modify virtual machines, create storage groups, snapshot, clone/export, etc)
  • Able to demonstrate a high standard of professionalism to all clients to ensure complete problem resolution and customer satisfaction
  • Cloud infrastructure management using Azure AD

Certification

  • Microsoft Certified Systems Engineer (MCSE) - 2009-09
  • CompTIA Certification - A+ Certified Professional - 2009-03
  • Microsoft 365 Certified: Endpoint Administrator Associate

Work Availability

monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Work Preference

Work Type

Full TimeContract WorkGig Work

Work Location

On-SiteRemoteHybrid

Important To Me

Work-life balanceHealthcare benefitsCareer advancementPaid time offPaid sick leave

Languages

English
Native or Bilingual

Interests

Career Advancement Learning

Family

Travelling - Ocean Beaches

Timeline

Cloud & Infrastructure Administrator

LTI Mindtree, Inc.
05.2022 - 02.2025

Sr. Lead

Zensar Technologies, Inc.
09.2020 - 05.2022

Desktop Management

BreezeIT, Inc.
09.2017 - 09.2020

Senior Application Packager

Raytheon Missile Systems
08.2014 - 08.2017

Desktop Design Engineer

Chevron Corporation
11.2010 - 06.2014

Desktop Engineer

Bank of America Corporation
09.2000 - 06.2010

Associate of Science - Computer Networking

Clark College

Certificate of Completion - Information Systems

Washington State University

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