Sean C. Breese

**** ***** **** **. ***. F** Atlanta, GA. 30339 Mobile: 770-***-**** advin5@r.postjobfree.com

Senior Tier 3 Team Lead Engineer

Network Administrator/ Operating Systems Administrator

Solutions-oriented IT Professional with proven success designing, implementing, and integrating cost-effective, high-performance technical solutions to meet challenging business needs.

25+ years of supporting Windows environments

Detailed experience with Windows Operating Systems and network architecture

Design and implementation of corporate surroundings. Including 2008 business servers to 2019 enterprise servers, disaster recovery solutions and network topologies using WatchGuard, SonicWALL, FortiGate,, HP, Dell, and Cisco equipment

LAN/WAN/WLan Engineer with extensive experience in the construction, application, administration, and troubleshooting of Windows Networks

Design and purpose several VoIP solutions including 3cx, Jive, Altgen, and Fonality

Extensive use with Microsoft Office 365 including small office to enterprise migrations of Exchange and other mail services. Using Microsoft native tools, PowerShell, and 3rd party applications.

Office 365 integrations with Azure Active directory and Azure Active Directory Business integration with group policy

.

Certifications

A+, Net+, Wireless#, CWNA, CWSP, StorageCraft Master (SCME), WatchGuard Essentials w/ Protection Subscriptions, HP Hardware Specialist, Progress Database Specialist

Pursuing Azure Cloud Technology Certifications.

Technical Summary

Hardware:

Servers, Desktops, VoIP Phones, Switches, and Firewalls

Software:

Microsoft Windows Server 2008 - 2019, Microsoft Windows XP – Windows 11, Red Hat Linux, VMWare, Hyper-V, ESXI, StorageCraft, Backup Exec, Datto, AppAssure, Microsoft Office, Microsoft Exchange 2010 - 2016, Microsoft Office 365 kiosk to E5 with Azure and protection services. Office 365 ATP, DLP, and extensive reporting

Networking:

WatchGuard, SonicWALL, Cisco Firewalls. FortiGate, IPsec, SSL, VLan, Wi-Fi, Public Wi-Fi, and Layer 3 switching

Professional Experience

Frontline Professional Services January 2018 – December 2022

Senior Tier 3 Team Lead

Managed 52+ employees remotely

Taught them Office 365 and Azure. Showing them how to access Azure and how to configure Azure active directory.

Instructed them on Datto backups. Had them learn how to restore backups.

Taught the team how to work on servers and workstations. Showed them how to configure operating systems.

Showed them how to configure group policies

Showed them how to configure printer policies.

Installed phone systems. Including 3cx, Ring Central,and Jive.

Worked with each employee with individual client issues

Showed the team about time management and update their tickets

Worked with upper management on resetting the call system with the T1 – T3

Installed and configured network devices. Including, Sonicwall, Watchguard, and Fortinet

Taught the team how to use GreenShot and do full documentation.

NetCom Systems Inc. September 2015 – January 2018

Senior Systems Engineer

Migration of Windows Servers 2008SBS to 2016 including Exchange 2003 to 2016

Office 365 migrations form 365 Kiosk to E5. Including using native Microsoft for Exchange hybrid tools, 3rd party packages including MigrationWiz and SkyKick, and individual PST implementation

Converting Windows servers from standalone to Hyper-v with offsite replications and clustering

VoIP design of 3cx

Ransomware / Malware disaster recovery

Office 365 ATP, MFA, and DLP security tools

Azure Active Directory Migrations

Tier3MD, Atlanta, GA April 2012– September 2015

Formerly known as MDTechPro

Senior Field Engineer

Administer Windows Servers 2000 - 2012 and Windows Desktops XP - 10

Manage WatchGuard, SonicWALL, and Cisco firewalls

Install and support VMware, ESXi, and OracleVM

Implement and maintain many solutions for backup / disaster recovery solutions including: StorageCraft, Backup Exec, and AppAssure

Remotely monitor hardware and operating systems for functionality

Create, design, and install VoIP systems

Oversee the internal workings of a full time help desk

Full-time on-site technician

VITERA HEALTHCARE SOLUTIONS, Atlanta, GA August 1999 – April 2012

Formerly known as Medical Manager, WebMD, Emdeon, and Sage Software

Senior Field Engineer VI

Administrator for healthcare practices including quick cares, local physicians, and minor hospitals

Windows engineer on multiple platforms including Windows Server 2000 – 2008 and Windows 98 -XP

Created network solutions from simple static to advanced TCP/IP network topologies

Researched and implemented wireless networks

Setup and installed firewalls such as SonicWall and Lynksys

Created IPSec and SSL vpn tunnels

Utilized disaster recovery solutions using BackupExec and Lone-Tar backup software

Break/Fix engineer on most hardware platforms including Acer, HP, IBM, and Dell

Intergy installation and database engineer

Installation and recovery specialist for Progress databases

Medical Manager installation, execution, and recovery professional

Provided hardware help desk support

INFOCURE, Atlanta, GA June 1996 – August 1999

Lead Field Engineer

Led the installation and ongoing support of operating systems in several accounts throughout the U.S:

oSet up multi-server systems with Windows Terminal Server and SQL.

oInstalled Thin Client systems at customer’s site, and provided immediate support to resolve customers’ system issues

Built servers and workstations for doctors’ offices to include loading operating systems, installing 3rd party software, and packaging the systems to be shipped to doctor’s offices

Built and burned Infocure’s proprietary software packages for distribution to customers

Created and implemented a solution for CD burning and printing systems for newer company-specific products

Education

Graduate, George C. Walton High School, Marietta, GA

Activities and Awards

March of Dimes “Walk for Babies”, Coordinator Atlanta Route, Volunteer, 2022 - present

WebMD peer-nominated “Certificate of Excellence for Outstanding Job Performance,” 2004

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