David Liese Email & Phone Number

- Maintained server and network infrastructure - Resolved teacher questions and enhanced student instruction - Cleaned up the Active Directory domain structure - Modernized 3 computer labs - Reconfigured DNS and DCHP properly - Built Hyper-V network and virtual servers

Twinsburg, Ohio, United States

- Surveyed current environment to build plan of action which assures business continuity and scalability

- Migrated clients to Keystone Managed Services- Ensured integrity of client’s data during migration- Educated end users on new features and technologies- Improved data security and availability in client networks- Recommended and implemented improvements for client’s networks

Cleveland/Akron, Ohio Area

Maintained:- Active Directory Domain, including group policies- VMWare ESXi 5.5, 4 hosts- Windows Server 2008r2, 2012, 2012r2, and 2016- EMC Celerra SAN- Exchange 2010 on-premiseImproved:- Backups and restore procedures- P2V high utilization file server- WDS and MDT deployment of new workstations

Cleveland/Akron, Ohio Area

Supported Client's IT Needs:- Backup and restore- Office 365 and Exchange on-premise- Sharepoint- End user workstation componants

- Deployed new Sophos antivirus managed services - Managing security policies, and training end users on security best practices- Documented support, installation, and maintenance procedures - Cleaning and securing systems flagged as infected with malware- Improving and maintaining VMWare based virtual machines for our server infrastructure- Backed up.

Brookpark, OH

Provided onsite and remote support to GXS employees on multiple platforms including VPN services. Responsible for supporting the Network Operations Center team using standard Microsoft tools in a roaming profile environment.

Built an excellent rapport with customers by finding them the perfect camera.

Facilitated student housing by coordinating resident move-in, assisting residents with problems, and maintaining order.