David To
System Engineer at SK Telecom Americas- Claim this Profile
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Topline Score
Bio
Credentials
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F5
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Isilon
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Juniper
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Microsoft
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Experience
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SK Telecom Americas
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United States
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Telecommunications
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1 - 100 Employee
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System Engineer
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Nov 2010 - Present
• Broad experience with Fibre SAN/iSCSI SAN/NAS (IBM, Tintri, Isilon and HP) storage technologies • Designed and implemented VMware ESX enterprise solution with IBM SAN environment • Set up and maintain Data Domain DD430 network storage devices • Participated in VMWare version upgrade from 3.5 to 4.1 to 5.0 • Configure and maintain vMotion, HA, DRS, and related VMware products such as VM Workstation, P2V converters, and Snapshots. • Maintain all corporate and satellite office VMware hosts and virtual instances • Manage corporate network environment • Responsible for installing, configuring and troubleshooting Windows 2003 and 2008 servers. • Provide technical recommendations, identify administrative standards, issues and refine existing processes • Install, troubleshoot and administrate ShoreTel VoIP system • Manage Backup Exec data backup and disaster recovery. Show less
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Terrapin Systems
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United States
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Computer Networking Products
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1 - 100 Employee
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System Engineer
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2007 - 2010
• Supported pre-sales and post- sales engineering activities for all Isilon and Juniper products. • Setup customer pre-sales evaluations on Isilon clusters for customer evaluations including software upgrades for customers such as Imeem and Nvidia. • Performed post-sales installation work on Isilon, Netapp and Juniper networking equipment. • Some post-sales configuration required travelling to Los Angeles, Austin, Dallas, Phoenix Arizona and Culpeper, Virginia. • Fulfilled vendor partner certification requirements by self studying, passing and maintaining 10 different certifications. Show less
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JustDeals.com
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United States
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Retail
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1 - 100 Employee
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IT Manager
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2004 - 2007
• Managed 5 technicians locally who were responsible for daily RMA testing. • Managed 20 overseas technicians responsible for production line refurbishing. • Designed and maintained internal network for corporate users.• Designed and maintained backend servers for “Text to Buy” project, a project for PayPal.• Setup and maintained VPNs between Fremont, Utah, Ireland, Vietnam / Site-to-Site and Remote Access VPN. • Performed installation of software applications, upgraded service and security patches. Show less
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System Administrator
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1999 - 2004
• Administered, maintained and responsible for performance tuning NT/SQL, and Linux servers.• Responsible for setting up new NT/SQL servers, creating new database accounts and configuring RAID levels.• Responsible for all support issues including all software, hardware and customer support.• Built mail server on Linux for multi-user environment.• Monitored and maintained SQL database performance.• Responsible for backing up Just Deals.com critical data and restoring corrupted database/server and lost file(s)/directory(s).• Created disaster recovery plan. Show less
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ABS Computer Supply Inc.
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San Francisco Bay Area
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Technical Support
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1998 - 1999
• Responsible for desktop support. • Maintained all PC’s hardware, software and configuration. • Responsible for hardware testing. • Responsible for answering customer’s technical questions by phone and email. • Migration from Novell to NT fileserver • Built and maintained Windows NT domain controllers and fileservers. • Responsible for desktop support. • Maintained all PC’s hardware, software and configuration. • Responsible for hardware testing. • Responsible for answering customer’s technical questions by phone and email. • Migration from Novell to NT fileserver • Built and maintained Windows NT domain controllers and fileservers.
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