Active Directory System Administrator

RANDY L. MOSSBARGER

**** ****** ***, ********** **. OHIO, 43160

*****.**********@*****.***

740-***-****-HOME

740-***-****-CELL

Network Administrator * System Administrator

Professional Systems and Network Administrator with extensive leading-edge IT experience in delivering exceptional customer satisfaction and improving overall operations. Accomplished IT professional with demonstrated success implanting IT initiatives that improve business functionality with positive impacts on the bottom line. Proficient in front-end and back-end operations, development and support with an unexcelled record of bringing mission critical projects in on schedule and within budget. Intuitive analytical ability to attain network, system, and application level solutions. Project management proficiency including analysis, design, development, implementation, documentation and evaluation. I am also an Air Force Veteran.

EXPERTISE HIGHLIGHTS

Network & Systems Administration

Server/LAN/WAN Optimization

Technical/User Support

Network Design

Systems Application Software

Hardware/Software Troubleshooting

Active Directory Design & Support

VoIP Design/Support/Administration

VMWare Virtualization Support

IIS Install/Support

Help Desk Management

Major Software/Systems Implementations

Systems Security & Disaster Recovery Planning

Project Management

Technical Writing (Manuals/System Specs)

Network Analysis & Administration

Exchange/Email System Administration

Backup System Management

Asset Management

EDUCATION

Bachelor of Information Technology August 2013-Present

American Intercontinental University, Hoffman Estates, Illinois

Expected date of completion November 2014

GPA 4.0

Dean’s List

EXPERIENCE

Network Administrator/System Administrator 2015-Present

Ohio Willow Wood Mt Sterling, Ohio

Providing day-to-day support for entire company across the nation utilizing 100% Amazon Cloud Services with locations in California, Ohio, New York, and India.

220 Windows servers and 35 Linux services are supported on AWS EC2 instances, utilizing their Route 53 DNS services, and S3 for storage Services Amazon Data center/help desk systems with 400 physical servers

All facilities are completely wireless, utilizing Aerohive access points with the wireless less controller and phone systems utilizing cloud technology. Philosophy of the company is to be 100% cloud based.

Network Administrator/System Administrator 2010-2015

Heath Technical Services Columbus, Ohio

Providing day-to-day support for data center/help desk systems with 400 physical servers, 250 virtual servers in our datacenter and network/server support for 65 customer data center locations (across 4 state region); and supervises 8 technicians/Citrix VDI environment (VMWare infrastructure)

Manage and administrate Windows 2008 Active Directory network for 1245 employees in tri-state area/established held desk system

Provided network support using Cisco 6509 router, 3750 managed switches, Cisco ASA 5500 series firewall and VPN, and Cisco 4400 series wireless control server management system

Manage Exchange email system and Barracuda email spam filter system

Providing support for 100+ clients for network and data centers (NetApp SAN)

Supporting company 400+ servers/backup management and network/IIS support

Virtual environment included VMWare infrastructure/VDI technology

Network Administrator/System Administrator 2006-2010

Clinton Memorial Hospital/McKesson, Wilmington, Ohio

Configured, installed and administered network infrastructure, data center and telecommunications systems that supported staff of 1400 personnel, 640 workstations, and 290 servers (Windows, Linux, Unix and AIX)

Designed, developed, configured and maintained entire network infrastructure (internet and intranet); Active Directory/Windows 2000/2003/2008, TCP/IP subnetting, DNS, DHCP, WINS, Active Directory, and domain controllers; Remote Access (RAS), VPN experience (Netscreen, Cisco); Anti-virus software management (Trend Micro, Symantec and McAfee); Security patch upgrades; Exchange 2003 administrator; Network Administrator and Network Security Administrator

Supported and administered HP and Dell SAN and backup system (backup exec)

Installed VMWare and converted 50 physical servers to HP blade server system creating a smaller footprint and energy savings

Functioned as Lead System Administrator to support Windows Active Directory infrastructure of eight domain controllers and user accounts. Successfully updated the entire Active Directory network to streamline processes and eliminate corrupted policies that were not working properly

Managed and supported entire network infrastructure of two Cisco 6500 catalysts router/switch chassis, 85 Cisco 3750 switches, two redundant Cisco ASA 5515 firewall, and twelve off-site networks

Designed and migrated the older Active Directory structure to 2008 AD structure

Updated and managed the Microsoft Exchange 2003 email system (Exchange Administrator)

Managed and supported the security of the information systems/infrastructure to maintain data integrity and managed all remote access to the network via VPN using Cisco ASA 5515 and Juniper Netscreen products

Successfully designed and implemented Cisco wireless system using 150 LWAPP access points controlled by Cisco 4400 WCS wireless controllers. Implemented the Cisco Access Control System to manage the security between Active Directory user accounts and the wireless system

Network/System Administrator 1996-2006

Westwood Homestead Savings Bank, Cincinnati, Ohio

Provided network and system support for 600 user/65 locations across 3 states Local Area Networks (LAN), Wide Area Network (WAN), hardware, and software

Designed and implemented the bank’s first Wide Area Network and a new Active Directory network in 2000 to all 65 sites, then migrated to Active Directory 2003 in 2003

Installed the bank’s email system using Microsoft Exchange 5.5

Organized and implemented a new help desk system

Designed and installed Cisco Callmanager Voice Over IP voice system/Unity Voice Mail to all 65 sites. This eliminated the company’s internal long distance for a monthly $150,000 savings

Project manager and lead for all new projects including consolidation of six bank companies into one banking system

Certifications

MCSE

MCSA

MCP, MCP+I

CCNA

CEH

Skills

OPERATING SYS

Windows AD

(NT, 2000, 2003, 2008) Linux/Unix

Redhat

Windows XP/7/8/10

NETWORK

Network Mgt

Firewall

Router/Switch Support

VPN Mgt

VOIP

Wireless Mgt

Wireless Controller

OTHER

Server Mgt

AWS Cloud Services

Datacenter Mgt

Active Directory

Exchange Admin

Server Clustering

IIS Support

SANS (HP/EMC/NetApp/Dell)

Security Patch Mgt

Anti-virus Mgt

Help Desk Support

Desktop Support

MS Office Expert

SQL Support

IIS Support

RSA Authentication

Email Spam Mgt

SSL Certificate Mgt

VMWare ESX (3.5/4.0/5.0/5.1)

Virtual Servers

Virtual Desktops

VMSphere

VDI/Citrix

Xen Server

Websense

Skills Continued

HARDWARE

Cisco

Juniper

HP

IBM

Dell

EMC

Barracuda Network

Cisco Routers

Cisco Nexus

Entarasys

F5 Load Balancer

Cisco CallManager

Cisco Unity

Wireless Access Pt

Cisco Router/ASA

(EIGRP, OSPF, BGP)

KVM

Cisco Mesh, LWAPP, Autonomous and WCS controller

FLUKE

NetApp

SOFTWARE

MS Office/Office 365

Exchange (20032007/2010)

Windows Server (2000/2003/2008/2012)

Terminal Services

MS IIS Server

Backup Exec

McAfee

Symantec Endpoint

PCAnywhere

Sharepoint

Endpoint Protect

Solarwinds

EtherPeek

Access Control Server (ACS)

Intrusion Detection

LanGuard

Citrix Receiver/VDI

HP Device Mgr/

Thin Client

Solarwinds LEM

PRTG

HELPDESK SYSTEM

Remedy

Altiris

Unicenter

Track-It

Salesforce

Synergy

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