Senior Systems Administrator Resume PA - Hire IT People

SUMMARY:

Network Administration | Windows and Linux Administration | Server Virtualization
Creative, result driven IT professional with over 20+ years of proven hands - on experience and expertise in systems administration, network administration, and server virtualization. I am an IT professional with a passion for continuous learning and, as well as using my experience to mentor others.
I thrive at identifying and solving business challenges through technology, processes and relationships. I am skilled in grasping the big picture, conceptualizing, developing, and implementing technical solutions, while aligning information technology to meet the operational needs of the organization, and staying abreast of new technologies and best practices.

TECHNICAL SKILLS:

EXPERIENCE:

Confidential, PA

Senior Systems Administrator

Responsibilities:

Install, configure, update and manage 200+ Windows Server 2008 R2, 2012 R2 and 2016 R2, and Ubuntu 18.04 and Ubuntu 20.04 servers in a VMware 6.5 cluster environment.
Manage and maintain two VMware 6.5 clusters: 4 ESXi hosts in Chicago and 6 ESXi hosts in Philadelphia.
Manage and maintain Active Directory for two sites supporting 150 employees and 10,000+ external users.
Support and maintain the production, development and QA environments for Microsoft SharePoint, WordPress web servers, Oracle databases, and Apache Tomcat portal systems.
Manage the systems backups and restores, including air-gap solutions, using Dell Avamar and Clonezilla.
Manage scheduled system outages, and apply hotfixes and upgrades for the software engineering team, according to change management practices and agile methodology.
Perform scheduled server and workstation patch management using Microsoft WSUS and PDQ Deploy.
Collaborate with the network security team in vulnerability scans and email security to mitigate cyber risks.

Confidential - Newark, NJ

Systems Administrator

Responsibilities:

Install, configure, update and manage 500+ Windows Server 2000, 2003 and 2008 R2 servers, and Solaris 8, 9 and 10 servers.
Configured and maintained the Citrix environment for SSL offloading and application publishing.
Supported end users as I troubleshot and resolved networking issues impacting desktops and servers.
Configured and maintained the VMWare 3.5 environment, as physical servers were migrated into the virtualized environment.
Collaborated with the development team as I installed and maintained IIS servers and .Net applications.
Performed inventory, and physical upgrades and break-fixes, on servers and desktops.
Performed and maintained enterprise backups and restores using Veritas Net Backup.
Participated in the on-call schedule providing 24x7 support for the entire organization.