System Administrator Resume
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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.