Daniel Tang Email & Phone Number

New York, Ny, Us

New York, Ny, Us

• Engineered the migration from on-premises tape backups to cloud-based backups• Administered organization’s Google Apps for Work (Gmail, Drive, Vault, Admin) environment• Established backups for Google Apps for Work, enabling granular data restoration for Gmail and Drive• Redesigned the organization’s Windows Server Update Services infrastructure, resulting in improved Microsoft updates deployment• Enhanced the monitoring and alerting capabilities of a production EMC VNX 5400 and satellite VNXe 1600s• Upgraded existing ESX infrastructure to newer Cisco UCS hardware and VMware ESXi version• Implemented a centralized desktop management solution, which simplified system imaging, centralized software/patch distribution and improved asset management• Migrated the primary corporate file server to newer hardware, resulting in capacity, performance and reliability improvements• Enhanced redundancy of satellite offices by deploying EMC VNXe 1600 SAN storage and clustering ESX hosts• Strengthened AWS environment security through modifying IAM policies and reconfiguring security policies • Lowered AWS infrastructure costs 28% by adjusting instance tenancy and terminating obsolete resources

New York, Ny, Us

• Managed and maintained a production infrastructure consisting of Cisco UCS blades and EMC VNX storage to ensure 24/7 availability.• Installed and maintained Windows Server 2008 R2 servers running on HP Proliant servers or virtualized within VMware vSphere 5.• Created and maintained group policies, login scripts, DNS, DFS, user accounts, security and distribution groups within Windows 2008 Active Directory.• Managed messaging environment consisting of Microsoft Exchange 2007, Blackberry Enterprise Servers, and personal Android and Apple devices.• Maintained Symantec Enterprise Vault 8 for mailbox archiving.• Created and maintained RAID groups, RAID pools, LUNS, and file storage on EMC VNX 5500 and 5300.• Scheduled and maintained file and Exchange backups utilizing Evault.• Created and maintained virtual machines templates for server and VDI environments.• Consolidated 2 datacenters into 1 centralized, fully redundant datacenter with minimal downtime. • Participated in 24/7 rotating on-call global support.• Virtualized applications to run on VMware Horizon View 5.0.• Installed and configured new Windows print servers.• Participated in the evaluation, recommendation, and selection of hardware and software solutions.• Managed organization’s external DNS hosted on premise via BIND and externally on Amazon Route 53.• Designed and completed migration from Github Enterprise to Github.com• Implemented Mimecast for email journaling and archiving.• Deployed Windows domain controllers to Amazon EC2.• Migrated organization’s on-premises corporate Exchange to Microsoft Office365.

New York, Ny, Us

• Designed, configured and maintained a QA application environment which imitated production.o Installed and configured VMware ESX hosts and a vCenter server. o Performed domain controller upgrades from version 2003 to 2008.o Configured a Citrix Netscaler for load balancing and service group usage.• Configured and deployed Github Enterprise within the organization.• Designed and implemented Splunk infrastructure to provide centralized logging, alerting and reporting. o Educated developers on how to use Splunk for monitoring and troubleshooting issues.• Upgraded and managed proprietary automated deployment systemso Software developers can independently build and destroy Ubuntu instances in a private VMware vCloud.o Windows IIS-based applications deploy in an A-B configuration for minimal downtime and instant rollback capability.• Built and maintained a single sign-on application portal using Nginx and PHP for launching in-house applications.• Created a MongoDB replicated cluster with APIs for shared document-based data storage.• Built a Ruby application which allows end users to unlock their AD account via text message.