Johnny Oh

Platform Operations Supervisor at Grant County Public Utility District (ArchStaffing)
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Contact Information
us****@****om
(386) 825-5501
Location
US
Languages
  • Korean -

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Credentials

  • MCP: Microsoft Certified Professional
    Microsoft
    Apr, 2012
    - Sep, 2024
  • MCSE: Microsoft Certified Solutions Expert
    Microsoft
    Jan, 2012
    - Sep, 2024
  • MCTS: Windows 7 and Office 2010, Deployment
    Microsoft
    Jan, 2012
    - Sep, 2024
  • MCTS: Windows Server 2008 R2, Server Virtualization
    Microsoft
    Jan, 2012
    - Sep, 2024
  • MCSA: Windows 2000
    Microsoft
    Mar, 2002
    - Sep, 2024
  • MCP: Microsoft Certified Professional
    Microsoft
    Jun, 1999
    - Sep, 2024

Experience

  • Grant County Public Utility District (ArchStaffing)
    • Platform Operations Supervisor
      • Aug 2020 - Present

      • Managed Platform Operations Team consisting of 4 Systems Engineers, 1 DBA and 1 Developer. • Managed and facilitated VMWare 6.5 migration to Nutanix AHV for GENETEC project. • Managed and facilitated renewal and refresh of over 800 HPE servers for multiple datacenters. • Hold weekly ADO meeting with staff to facilitate completion of projects and tasks using ITIL methodologies. • Build, supervise and direct team and ensure the staff are properly trained so they can perform their designated responsibilities. • Manage vendors CDW, Centered Networks, Right Systems and IS Outsource. • Manage Software Assurance, True Up and Licensing Microsoft, VMWare, TSG and ETS. • Manage annual performance evaluation for staff members for all three technical towers. • Host Change Advisory Board for Standard, Urgent and Emergency Production Changes. • Present IT Projects and Roadmaps to Executives and Board Members.

  • CoreLogic
    • United States
    • Information Services
    • 700 & Above Employee
    • Sr. IT Delivery Manager
      • Dec 2019 - Aug 2020

      • Managed multiple towers SharePoint, Office365 and Intel (NTT Data, Cognizant) • Managed and facilitated SharePoint On Premise to SharePoint Online Migration Project. • Managed and facilitated On Premise Exchange to Office365 Migration Project. • Hold weekly meetings with technical towers to understand project and task status. • Introduce and integrate new technologies to improve and support business units. • Provide International Support Australia, Canada, Romania, UK and India. • Maintain vendor management Microsoft, Shi, CDW, EMC, Verizon and Cognizant. • Manage Software Assurance, True Up and Licensing TSG and ETS. • Manage annual performance evaluation for staff members for all three technical towers. • Host Change Advisory Board for Standard, Urgent and Emergency Production Changes. • Provide and Present Project and Major Updates to Executives and C Levels.

  • At Home
    • Individual and Family Services
    • 1 - 100 Employee
    • Lead Systems Engineer
      • Oct 2014 - Nov 2019

      • Managed 4 Systems Engineers, 5 Technical Operations staff and 5 Help Desk staff members. • Administered quarterly and annual staff personnel evaluation and goals. • Set technical training requirements and goals for the IT staff. • Administered and maintained operations and health of Nimble SAN. • Administer VM environment which consists of 10 hosts, 28 Data Stores and over 160 guest servers. • Utilized VRealize to monitor, maintain and forecast multiple VMWare Environments. • Installed and configured data center video surveillance system Visiontech for cages located in CyrusOne. • Built and configured Microsoft SQL 2012 and SQL 2014. • Administered Commvault, Arcserve and VeamOne backup systems. • Administered Mobile Device Management (MDM) Microsoft Intune. • Migrated and Administered Hybrid Exchange (DAG) 2010 and Office 365 Environment for over 1,700 users. • Installed, configured and administered Orion Solarwinds. • Administered and maintained Mimecast email filtering software. • Managed and administered two data centers Plano, TX (HQ) and Austin, TX (CyrusOne).

  • Glazer's Distributors
    • United States
    • Wine & Spirits
    • 1 - 100 Employee
    • Sr. Systems Engineer
      • Jun 2012 - Oct 2014

      • Migrated over 5,600 user’s mailboxes from Domino 7 to Microsoft Office 365. • Provide tier III user support for over 6,200 users located within the United States and US Virgin Islands. • Administer VMWare environment which consists of over 17 hosts, 138 Data Stores and over 290 servers. • Administer Enterprise SAN NetApp 8.2P6 and EMC CX4. • Administer Office 365 and Active Directory Federated Services for over 4,200 users. • Manage day to day backup utilizing EMC Avamar backup. • Monitor Windows, AIX and Linux servers utilizing SolarWinds Orion and Xymon. • Completed Citrix migration from Citrix XenAPP 5.0 to Xenapp 7.5. • Administer email filtering by utilizing Google Postini. • Migrated over 25 liquor distribution centers from acquisitions.

  • United Surgical Partners International
    • United States
    • Hospitals and Health Care
    • 1 - 100 Employee
    • Sr. Systems Engineer
      • Mar 2007 - Jun 2012

      Provide tier II and III user support for over 3,000 users located within the United States as well as the UK. • Provide operational management support for USPI’s complex server and network environment. • Identify and resolve systems and network problems for over 180 servers. • Administer Microsoft Servers running: Windows Server 2003/2008, Exchange Server 2003/2007. • Administer over 50 Presentation 4.0 servers in a complex Citrix environment. • Manage and Administer 21 VM Hosts and over 180 VM Servers. • Support medical billing applications ADP, ETIME and Advantx. • Administer Barracuda email filtering software for USPI. • Perform backup duties using EVault I365 and LiveVault 6. • Migrated over 160 ambulatory surgical centers (ASC's) for Foundation Project. • Collapsed and migrate over 50 domains spanning across the continental US.

  • CapitalOne Auto Finance
    • Project Engineer
      • Apr 2006 - Apr 2007

      • Manage, coordinate, develop and implement project plans with CapitalOne Auto Finance partners. • Create detailed technical documentation such as the TOSS guide which is submitted to COAF partners after completion of a project. • Manage change control procedures for development, preproduction and production network environment. • Coordinate firewall implementation between partners and COAF. • Engineer, develop and implement Windows 2003 and Exchange 2003 migration strategy of newly acquired financial firm called Onyx Financial Services. Migration consisted of over 2,500 users.

  • National Geographic
    • United States
    • Book and Periodical Publishing
    • 700 & Above Employee
    • Sr. Technical Specialist
      • Apr 2003 - Mar 2006

      • Designed, planned and implemented Active Directory migration from NT 4 and Novell 5 to Windows 2003. • Migrated over 3,500 users from ccMail to Exchange 2003. • Used VMWare and IBM Blade Servers to consolidate over 100 NGS servers. • Designed, planned and implemented Citrix XP solution for NGS. • Planned and implemented Foglight 4.1 network monitoring tool to monitor servers, network devices and applications such as PeopleSoft and Oracle. • Implemented IP printing for NGS users. • Provide tier three support for over 3,500 users at NGS. • Provide support for custom applications such as Agent, Jaguar and Cognos.

  • EDP Contracting Services
    • Sr. Network Engineer
      • Jun 2002 - Mar 2003

      • Implemented Windows 2000 Active Directory and Exchange 2000 network design for the United States Senate. • Built and configured over 150 domain controllers and message stores in a multi-domain model network. • Configured secure network design by using native Windows 2000 security tools. • Configured Outlook Web Access and SSL using Exchange 2000 and IIS 5. • Configured and implemented backup scheme using Veritas Backup Exec 8.6. • Configured Windows 2000 Terminal Services in remote administration mode as well desktop application mode. • Configured and implemented anti-virus solution using Sybari Antivirus as well as Norton Antivirus.

  • Comsys Technical Services
    • Sr. Network LAN Engineer
      • Jun 2000 - May 2002

      • Designed and implemented Windows 2000 Active Directory for Comsys. • Planned, implemented and migrated 20 legacy (Cotelligent) Exchange 5.5 / NT 4 sites to Windows 2000 and Exchange 2000. • Migrated over 3,000 ccMail users to MS Exchange 2000. This included setting up SSL for Outlook Web Access. • Documented and trained corporate users in the use of the new email system which included Outlook 2000 client configuration, installation and basic use. • Planned and implemented Citrix Metaframe 1.8 solution on an enterprise wide network for an application called EZAccess. This included installation and configuration of ten Citrix Metaframe servers in a Citrix farm. • Administered Novell 4.11 and 5 servers. • Beta tested Windows XP an then implemented XP operating system on 50 client workstations headquarters only. • Installed and configured video teleconferencing on an Exchange 2000 server for FAA contract.

  • RS Information Systems
    • United States
    • Software Development
    • Sr. Systems Administrator
      • Dec 1998 - May 2000

      • Managed overall network for the Department of Commerce, National Marine Fisheries Service (NMFS), which included (22) Windows NT 4 Servers (2) Novel Servers. • Managed Ethernet segments, which include Hubs, Switches and NIC cards. • Configured Dell, Compaq and Micron servers with RAID 5 configuration, which provides fault tolerance for NMFS servers. • Administer Lotus Notes Domino Server, Database and client software. • Provide alternative dial-up solution using Citrix Winframe / ICA Client. • Provide backup and disaster recovery solution using Seagate Backup Exec. • Administered NMFS IIS server, which includes configuration and security. • Manage and monitor disk usage on all primary servers using Quota Advisor. • Provided security / management for NMFS using Checkpoint Firewall 1. • Provided fax server solution using VSI-Fax for Notes. • Provided both hardware and software upgrade for Y2K compliance.

  • National Naval Dental Center US NAVY
    • Senior PC Specialist / Network Engineer
      • Jul 1989 - Oct 1998

      • Responsible for 135 microcomputers and 10 Servers for Branch Dental Clinic’s (over a 4,500 square mile area and 3 states). • Established comprehensive help-desk for users. Assisted over 450 users with drive mapping, hardware, and software problems. • Responsible for field service functions such as installation, repair and maintenance of microprocessor based computer systems in multi-state area. • Created database on Excel to manage $3,000,000 of ADP equipment inventory ensuring accountability for all systems. • Provided technical expertise for LAN implementation, performance tuning, server backups, appropriate security controls, and file / print sharing. • Performed Life Cycle Management on ADP equipment; researching and analyzing new equipment, telecommunications and program purchase requirements for long term needs of a NNDC command. • Provided email support, which ran on an ATT 3B2 Server running Unix system 5. • Provided support for DENMIS (Dental Management Information Systems), which ran on a XENIX operating system.

Education

  • Southern Illinois University, Carbondale
    Health/Health Care Administration/Management, 3.8
    1998 - 2000
  • Central Texas College
    Art/Art Studies, General, 3.8
    1996 - 1996
  • Montgomery College
    Art/Art Studies, General, 3.5

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