It Support Systems Administrator

Warren D. Harley

***** * ****** ****, ********, AZ 85338

602-***-**** ******.******@*****.***

Professional Summary

Experienced IT professional with 25+ years in system administration, specializing in Microsoft Office 365, Azure Directory Sync, Hyper-V, and network security. Proven track record of managing enterprise IT infrastructure, optimizing system performance, and ensuring compliance with industry security standards (HIPAA, PCI). Adept at troubleshooting, team leadership, and executing system migrations with minimal downtime.

Areas of Expertise

System Administration: 25+ years of experience managing Windows servers and enterprise IT systems.

Cloud & Virtualization: Microsoft Office 365, Azure Directory Sync, Microsoft Hyper-V, VMware.

Security & Compliance: Security audits (PCI & HIPAA), Active Directory Group Policy, Enterprise Antivirus.

Networking: LAN/WAN, VPN, Router Configuration, Remote Desktop (RDP), Network Attached Storage (NAS).

Server Management: Microsoft Server 2019–NT, Windows Software Update Services (WSUS), Small Business Server (SBS).

IT Support & Troubleshooting: End-user support, system upgrades, IT infrastructure maintenance.

Professional Experience

Comprehensive Integrated Care

Network Administrator

September 2021 – Present

Installed, maintained, and updated servers in a Hyper-V environment.

Migrated the EMR software on the ASC from eClinicalWorks to SiS.

Provided daily IT support, resolving user issues efficiently.

CMOC (China Molybdenum Company)

Systems Administrator

September 2019 – May 2021

Maintained servers on a Hyper-V cluster for the U.S. division.

Managed legacy systems on VMware and ensured international connectivity.

Provided standard system administration support and troubleshooting.

Cruise America

Systems Administrator

October 2016 – September 2019

Managed IT infrastructure for 130 locations with 300+ users.

Ensured PCI compliance and maintained security protocols.

Led the migration to a hybrid Office 365 environment.

Set up and maintained a Hyper-V clustered environment with 30+ servers.

Greenloop IT Solutions

Senior Engineer

September 2015 – September 2016

Managed IT infrastructure for 75+ clients.

Led major IT projects and system migrations.

Conducted HIPAA and PCI security audits.

Team Logic IT

Lead Engineer

August 2011 – September 2015

Managed a team of four engineers, providing escalation support.

Oversaw IT infrastructure for 100 companies and 1,100 users.

Led planning and execution of IT projects and migrations.

Intertech (Now part of All Covered, a division of Motorola)

Network Engineer

April 2010 – August 2011

Acted as an on-site consultant and provided high-level technical support.

Handled complex IT troubleshooting and system escalations.

West Valley Technology

Owner / Network Engineer

May 2009 – March 2010

Provided IT services to small and mid-sized businesses.

Managed Active Directory domains and Exchange servers.

Certifications

Microsoft Certified System Engineer + Security (MCSE) – December 2004

Microsoft Certified System Administrator (MCSA) – December 2004

Microsoft Certified Professional (MCP) – December 2004

Dell Certified System Expert (Tech ID# 525940)

CompTIA A+ Service Technician – April 1999

CompTIA Network+ – November 2004

CompTIA Security+ – December 2004

Education

Columbus State Community College – Columbus, OH

1997 – 1999 (Majored in Microcomputer Technology, 4.0 GPA in major)

Pennsylvania State University – State College, PA

1984 – 1986

Technical Skills

Microsoft Windows (10, 8, 7, XP, 2000, NT)

Microsoft Exchange Administration

Windows Server 2019, 2016, 2012, 2008, 2003

Virtualization: Microsoft Hyper-V, VMware

Network Security & Compliance (HIPAA, PCI)

Active Directory & Group Policy Management

VPN, Remote Desktop, Firewall Configuration

Enterprise Antivirus & Web Content Filtering

IT Infrastructure Design & Implementation

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