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Systems Administrator Data Center

Location:
Woodstock, GA, 30188
Posted:
August 31, 2025

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Resume:

Robert Sleeman

Woodstock, GA 678-***-**** or 470-***-**** ******.*******@**********.***

https://www.linkedin.com/in/robert-sleeman-2711793

Professional Summary

I am a highly experienced Systems Administrator with broad experience in Active Directory, Windows Server, Microsoft Exchange, and PowerShell. I have experience collaborating with different vendors on server hardware within a data center setting. I have expertise in PowerShell scripting, SCCM administration, and managing enterprise-level security and access. I can bring proactive problem-solving, system monitoring, and effective team leadership to drive efficiency and system reliability. My first position was as a desktop technician starting 10/01/1997.

Skills

Active Directory Management

Windows administration

Data Center Operations

High Availability Solutions

Server Hardware Maintenance

DNS Management

Patch management

Backup and recovery

Software Deployment

Storage Area Networks

Virtualization Technologies

Group Policy management

Work History

IT & SUPPORT COORDINATOR RCB INDUSTRIES BALL GROUND, GA 07/25 – 08/25

Maintain documentation of IT processes, device setup instructions, and vendor contacts.

Audit, catalog, organize, and maintain the server room.

Manage the ordering, tracking, and setting up of new equipment purchases.

Management of RingCentral for internal phone system support.

Windows Server 2022 setup, troubleshooting, and maintenance.

Windows 10 and 11 setup, support, and troubleshooting.

Assisting and training employees in IT functions and systems as needed, helping team members become more self-sufficient with everyday technology.

Dell Server hardware setup, configuration, and support.

Primary point of contact for all internal IT requests and liaise with our external IT support partner as needed.

Fortinet FortiGate support and troubleshooting.

Camera and security system management and maintenance.

HP switch support and troubleshooting.

Google Workspace support and administration.

CAREER BREAK HEATH AND WELLBEING ATLANTA, GA 05/22 - 4/25

I had to take a leave from work due to a serious medical condition that I was suffering from. Due to this condition, I had a long hospital stay, including surgery, which required a very long recovery period with daily home treatment. During this time, I did my best to keep up to date on tech, I used Udemy and Pluralsight to keep my skills sharp and up to date. I have since completely recovered and am ready, able, and available to get back to work immediately.

SENIOR SYSTEMS ADMINISTRATOR ATLANTA CANCER CARE ATLANTA, GA 07/16 - 5/22

Supervisor for 2 system administrators and 2 desktop technicians.

Daily administrative tasks performed with Active Directory, including creating groups, users, group policies, and configuring permissions.

Troubleshooting of all aspects of Active Directory

Windows server 2012, 2016, and 2019 setup, configuration, troubleshooting, and monitoring.

Setup and management of guest Wi-Fi for each clinic.

Dell Server hardware setup, configuration, and support.

Microsoft SCCM administration and management.

Daily upkeep and monitoring of Exchange 2019.

Used ServiceNow to track support tickets.

Setup and configuration of SCOM for monitoring of all servers and networking equipment.

EXCHANGE SUPPORT ENGINEER 3 MICROSOFT CHARLOTTE, NC 02/16 - 07/16

Member of Messaging On-Prem Tier 3 Support Team.

Delivered tier 3 support for Microsoft Exchange Server versions 2010 to 2019 through phone and Remote Desktop.

Daily creation and modification of PowerShell scripts to automate Microsoft Exchange daily administrative tasks, and to troubleshoot customer issues with Exchange.

Completed a comprehensive 4-week Microsoft training program covering Exchange, PowerShell, SQL scripting, log analysis, Outlook connectivity, and Outlook Web Access.

Advanced Windows Server Administration.

INFORMATION SECURITY ANALYST 2 WELLS FARGO CHARLOTTE, NC 08/15 - 02/16

This was a 6 month that was completed.

Member of the Enterprise Access Management Team.

Clean up and standardization of privileged access groups in Active Directory using PowerShell scripts, Active Directory Users and Computers, and Windows Server 2012 administrative tools.

Maintained detailed documentation of all my activity relating to the Active Directory Remediation Project.

SENIOR SYSTEMS ANALYST BANK OF AMERICA ATLANTA, GA 10/12 - 05/15

Offered Tier 2 support to Outlook users across the bank’s community.

Member of the divestiture team, ensuring proper integration of new assets to the company including integrating users into existing Active Directory environment.

Assisted with support for Microsoft Communicator and Microsoft Lync.

Trained in Maximo to track all trouble tickets for messaging related issues

Previous employment on request

Education

ITT Technical Institute, Knoxville, TN

Bachelor’s of Applied Science in Electronics Engineering Technology Graduated 2000

Associates of Applied Science in Electronics Engineering Technology Graduated 1999



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