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System Administrator Resume

PROFESSIONAL EXPERIENCE

System Administrator

Confidential

Responsibilities:

  • Providing support to help desk team and assisting the help desk team supervisor to resolve tier II and III trouble tickets.
  • Replaced and migrated data from networked attached server (NAS) to Storage Area Network (SAN).
  • Migrated Microsoft Windows Server 2012 R2 to Microsoft Windows Server 2016.
  • Managed vSphere, creating virtual machines and managing EMC2 SAN for any trouble alerts.
  • Managed Active Directory, DHCP, GPO, WSUS, Print Management, cloud ADFS and other network devices.
  • Utilized SCCM for image and patch deployment.
  • Used PowerShell to archive user’s email and other administration tasks.
  • Managed and ensuring availability of Office365 services Team/Skype for Business, Exchange Online.
  • Managed O365 distribution list, shared mailboxes, mail flow, O365 (email, calendar, tasks).
  • Managed mailbox like mailbox permission, delegation, quota management, mail tracking, and mail transport rule creation/modification.
  • Scanning the network devices and workstations for any vulnerabilities using Tenable Nessus.
  • Responsible for making sure all servers and workstations are patched using WSUS.
  • Providing support to remote users during business hours and outside of business hours for any urgent support.
  • Providing support to VoIP POLYCOM IP phones, and any other mobile devices.
  • Dealing with vendors for issues regarding the software and hardware and mobile devices.
  • Maintaining system performance by performing system monitoring and analysis, and performance tuning; troubleshooting system hardware, software, any operating system and escalating application problems to vendors.
  • Performing periodic system back - ups and developing/documenting standard operating procedures for these activities.

System Administrator

Confidential

Responsibilities:

  • Responsible for taking phone calls from end clients and resolving computer and network issues.
  • Utilized Connect Wise to connect remotely to client servers and computers to perform maintenance and repairs.
  • Installed and configured W2K16 Windows Servers for clients.
  • Used PowerShell to archive user’s email and other administration tasks.
  • Responsible for Office 365 Tennant Administration.

System Administrator

Confidential

Responsibilities:

  • Planned and implemented Windows Server 2003 R2 retirements upgrading to Windows Server 2008 R2 and Windows Server 2012 R2 both physical and virtual systems.
  • Consistently met deadlines and requirements for all tasks assigned.
  • Utilized SCCM for image and patch deployment.
  • Used VMware for Windows Server 2K3, Windows Server 2K8 R2 and Server 2012 R2 Administration.
  • Ensured network security, system and data availability and integrity.
  • Used PowerShell to archive user’s email and other administration tasks.
  • Created scripts using PowerShell for ease of administration.
  • Managed COTS and GOTS upgrade projects from concept to completion.
  • Managed firewall, network monitoring and server monitoring.

System Administrator/Microsoft SQLDBA

Confidential

Responsibilities:

  • Administered existing MS SQL 2005 - 2008 R2 databases.
  • Performed in place system upgrades to W2K3 32-bit environment upgrading to W2K8 R2 64-bit infrastructure.
  • Planned and implemented security measures to safeguard data.
  • Used VMware for Windows Server 2K3 and Windows Server 2K8 Administration.
  • Created scripts using PowerShell for ease of administration.
  • Utilized SCCM for image deployment and Windows Updates
  • Administered a 2-node cluster in the environment.
  • Wrote and maintained technical standard operating procedures.
  • Recommended network security enhancements to management.

IT Systems Specialist

Confidential

Responsibilities:

  • Upgraded Microsoft Dynamics Version 7.0 to Microsoft Dynamics SL 2011 successfully.
  • Trained end users on the new Microsoft Dynamics SL 2011 version.
  • Added and removed users from Microsoft Dynamics SL 2011 as requested by management.
  • Created scripts using PowerShell for ease of administration.
  • Administered a 2-node cluster in the environment.
  • Used Nagios for monitoring of MdTA network security.
  • Used VMware for Windows Server 2K3 and Windows Server 2K8 Server Administration.

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