It Infrastructure Data Center
Resume:
DAVID BOLEJACK
248-***-**** **********@*****.***
Professional Summary
Microsoft Certified Professional (MCP) with 25+ years of experience in Systems Administration and Engineering, specializing in Office 365, VMware, and multi-data center environments. Proven ability to manage large-scale IT infrastructure, support 60,000+ users, and drive system improvements. Strong expertise in virtualized systems, cloud technologies, and root cause analysis, with a focus on efficient IT operations and project leadership.
Areas of Expertise
Office 365 Administration
VMware vSphere, ESX, vCenter
SAN & iSCSI Configuration
Windows Server (NT-2022), Active Directory
Group Policy, DNS, DHCP
VMware Horizon, XenApp, Citrix XenDesktop
PowerShell Scripting
Backup Solutions (Veeam, Veritas)
SQL Server & ODBC
Data Center Buildout & Network Configuration
Email Migration (Exchange to Office 365)
VMware DRS, P2V Migrations
ITIL Framework & Change Management
Server Hardware Management (Dell, HP)
Disaster Recovery & Backup Planning
Cloud Services (Azure, Intune, Teams)
Vendor Support & Relationship Management
Capacity Planning & Monitoring (SolarWinds)
Professional Experience
IT Manager 10/2022 to 06/2024
University Of West Florida Center for Cyber Security
As the IT Manager, I led the development and implementation of robust IT systems, ensuring seamless operations and security within a dynamic educational environment.
Managed daily IT operations, ensuring system uptime and support.
Oversaw procurement of IT equipment and services, optimizing costs.
Created and implemented IT processes to improve efficiency.
Led server and SAN installation, configuration, and cabling.
Network Admin 07/2021 to 10/2022
Excell\CompuCom\Florida Power and Light
As a Network Administrator, I managed and optimized network infrastructure, ensuring reliable connectivity and security across multiple sites.
Managed nationwide infrastructure, ensuring consistent performance.
Coordinated with ISPs to resolve connectivity issues across sites.
Provided second and third-level support, resolving complex issues.
Administered Exchange and O365 email support, minimizing downtime.
Exchange SME 04/2021 to 07/2021
Excell\CompuCom\Florida Power and Light
As Exchange SME, I specialized in managing and supporting Exchange and O365 environments, ensuring optimal performance, security, and seamless email communication across the organization.
Exported emails to Florida Power and Light's Exchange servers for smooth integration.
Migrated email systems from Exchange to Office 365 for better performance.
Streamlined migration to minimize downtime and user impact.
Provided post-migration support, ensuring system stability.
System Engineer 02/2019 to 11/2019
Fahrenheit IT/Lansing Board of Water and Light (BWL)
As a System Engineer, I managed and optimized IT infrastructure, ensuring seamless system performance and security.
Managed O365, Intune, Power BI, Azure, and Exchange for seamless integration.
Configured Intune for secure corporate and BYOD device deployment.
Migrated from onsite Exchange to cloud for efficiency and savings.
Led data center buildout to expand infrastructure for growth.
Capacity Management for the US Treasury 08/2017 to 08/2018
Insight Global/DXC/Perspecta
As a Capacity Manager for the US Treasury, I oversaw the monitoring and optimization of IT infrastructure capacity, ensuring resources met the needs of critical government operations.
Obtained security clearance to monitor Treasury computer resources for compliance.
Monitored CPU, storage, and data center resources, optimizing performance.
Delivered capacity reports to the Secretary of the Treasury for decision-making.
Recommended hardware upgrades to enhance the IT infrastructure.
Sr. IT Administrator 07/2012 to 05/2017
Dakkota Integrated Systems
As Sr. IT Administrator, I managed and maintained IT infrastructure, ensuring system reliability and security to support manufacturing operations.
Administered VMWare vSphere and 7 virtual environments for performance and availability.
Designed SAN with site-to-site replication for storage and disaster recovery.
Built racks for new sites, including servers, switches, and UPS.
Managed Office 365, PowerShell, Intune, and email/mailbox support.
IT Administrator 10/2010 to 07/2012
Stefanini
As an IT Administrator, I managed and supported IT infrastructure, ensuring system reliability and performance across the organization.
Managed 500 virtual servers and 30 ESX hosts for system reliability.
Configured VMWare Distributed Resource Scheduling for high availability.
Designed VMWare View/Horizon for 150+ VDI sessions across companies.
Installed SAN, HP Blades, and fiber connections in the new data center.
Sr. Windows Administrator at Meadowbrook Insurance 05/2010 to 06/2010
Brooksource
As a Sr. Windows Administrator, I managed and maintained Windows-based systems, ensuring high availability, security, and performance across the organization.
Resolved critical Cisco VoIP issues, ensuring uninterrupted communication.
Diagnosed and fixed VoIP connectivity problems, minimizing downtime.
Worked with network and telecom teams to improve VoIP performance.
Provided support and training to end-users for better system use.
Sr. Windows Administrator 05/2008 to 01/2010
J&B Medical Supply
As a Sr. Windows Administrator at J&B Medical Supply, I managed and optimized Windows server environments, ensuring high availability, security, and performance for critical business operations.
Managed and upgraded Windows Servers, ensuring stability and performance.
Installed and configured switches and firewalls, optimizing network security.
Deployed Windows and SQL Servers, improving database management efficiency.
Administered Shortel VoIP and implemented a fax server, enhancing communication systems.
Tech Lead/System Administrator 10/1997 to 02/2008
Electronic Data Systems
As Tech Lead/System Administrator, I led the administration and optimization of IT systems, ensuring high availability and security.
Administered 500 Windows Servers and 11 Clusters, ensuring system stability.
Deployed software through MSI scripting in Active Directory, improving deployment efficiency.
Managed 600 printers across North America, ensuring reliable service.
Led desktop support for 60,000 desktops, enhancing support efficiency and user satisfaction.
Sargent Non-commissioned Officer (NCO) 03/1987 to 03/1997
US Air Force/Firefighter
As a Sargent Non-commissioned Officer (NCO), I led and trained personnel while ensuring the safety and security of airbase operations.
Managed day-to-day fire station operations, ensuring efficiency and readiness.
Led truck crew operations, ensuring proper execution during emergencies.
Trained new Airmen, enhancing team performance and firefighting skills.
Participated in fire prevention and emergency preparedness programs, boosting community safety.
Education
VMware 6.0
VMware 6.0 Operations
Windows Server 2008
Active Directory Domain Services
ITIL v3 Foundation
Certifications
MCP, 10/03
Windows Server 2003 Professional
Websites, Portfolios, Profiles
https://www.linkedin.com/in/davidbolejack/
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