Senior System Administrator Resume

PROFESSIONAL EXPERIENCE:

Confidential, Texas

Responsibilities:

Migrated all 1500 employees to O365 from multiple on - prem Exchange servers.
Installed and configured Rapid Recovery on-prem and deployed an offsite backup to Azure using Rapid Recovery.
Retired/Upgraded 50 servers from Windows server 2003/2008 to 2016.
Upgraded 25 VMWare server to the latest Software and updates.
Install, configure and maintain new hardware and software for: servers, data/voice networks, storage systems.
Maintain security of the internal network and servers.
Contribute to and maintain system standards and document configurations of the network.
Administer and maintain the VMWare, O365, Windows, Active Directory, and Linux environments.
Work with the IT manager in planning and implementing IT projects.
Maintain and configure Cisco IP phone system.
Manage daily backup operations and ensure offsite backups are viable.

Senior System Administrator

Confidential

Responsibilities:

Closed 150 projects in one year period.
Upgraded 53 servers from Server 2003 and 2008 to Server 2012.
Implemented Kaseya and Lansweeper software to 5000 computer systems.
Implemented Dell Data Protection server and software to 3000 laptops.
Installed and configured VMware on 27 hosts. This included the initiation of the SANs, DataStores, and the client operating system.
Installed, configured, and deployed a Mitel Cloud Phone VOIP system to 60 locations that included 3500 phones, vmail boxes, day greetings, and directories.
Installed and deployed encrypted CrashPlan on-prem backup server to 35 servers and 50 user systems.
Migration of on-prem system to cloud based system. This Kronos Timekeeping, Office 365, Mitel Phones, Microsoft Dynamics.
Designed and implemented the network infrastructure for 25 new locations.
Deployed and maintained 37 separate firewalls with BOVPN and Mobile VPN at each location.
Manage and maintain the domain administration including Active Directory/Group Policy and email accounts for the enterprise.
Implement system and network performance tuning and maintenance.
Install, configure and maintain the server, desktop, laptop as well as network hardware and software.
Monitor and maintain system security to include maintaining Firewalls, antivirus, spyware & system software updates and monitoring security logs.
Coordinate with vendors of internet and telecommunications services to have appropriate services installed and maintained at program locations; assists in resolving internet and phone issues.
Administer all applications servers; proactively monitors, troubleshoots, reports, resolves, and escalates issues identified with the Exchange email server, SQL, Domain Controllers, backup and restore.
Perform disaster recovery planning, and is responsible for managing the Southwest Key data backup and recovery systems; proactively monitors, troubleshoots, reports, resolves, and escalates issues.
Oversee cabling and cable management installation and maintenance including layer 2, layer 3 and fiber optics.

IT Consultant - Self Employed

Confidential

Responsibilities:

Upgraded the servers from Windows 2003 SB, 2008, and 2008 R2 to Windows Server 2012 R2.
Determining the company needs and propose a managed services company for the daily IT needs.
Provide support and customization for CRM’s and Accounting software as needed.
Provide all customization and maintenance for software as needed.
Determine viability of current Managed Services Provider.
Create plan for upgrading aging equipment.
Provide desktop and server support as needed.

Confidential

Media Manager

Responsibilities:

Opened two new data centers simultaneously. Deployed 150 tape libraries.
Managed a staff of four who eventually went on to be managers.
Provided backup support for 20 companies in the Data Center.
Manage teams at two separate Data Centers.
Ensure the tapes get changed daily.
Provide daily inventory of tapes changed.
Ensure tapes are sent to the offsite storage vendor daily.

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