Information Systems System Engineer

William Santos

Union City, CA ***** 510-***-**** *******.*******@*****.***

PROFESSIONAL SUMMARY

Knowledgeable, passionate System Engineer with vast technical experiences with compute, storage, Linux and virtualization. Supported on-call 24/7 service in a fast-paced operation schedule for mission critical infrastructure Data Centers globally. Clear Communicator and collaborative team player willing to listen and learn and can work independently and patiently and in team environment. Maintain technical knowledge and versatile team player with a passion for learning and growing within an organization.

SKILLS

Unified Cisco Systems (UCS)

Storage Configuration (NetApp NVMe,EMC, Tintri)

Linux infrastructure technologies utilized with Satellite Server

VMWARE/Citrix VDI

Deployed Linux builds (CentOS, RHT 5.5-8.0, Ubuntu)

Supported Win10, Win11 clients

Supported MAC IOS,Sonoma, Ventura, Monterey, Catalina Versions.

Windows Server delivering LAN/WAN connectivity.

Performance Monitoring and Tuning

Enterprise Server Design

Cloud Infrastructure Management

IT Security Best Practices

Storage NFS/iSCSI

System Administration

WORK HISTORY

SR. SYSTEM ADMINISTRATOR / UCS ENGINEER 01/2011 to 03/1/2024

Cisco Systems San Jose, CA

12+ years of experience as a Infrastructure Engineer in administration, installation and support of VMware, Cisco UCS technology server hardware, software, peripherals, and networked systems for ESXi, Linux, Windows Server,

Proven success delivering LAN/WAN connectivity Administration, installation and support of VMware, Cisco UCS, NetApp, EMC, VMware & Linux using Satellite Server

Physical Storage maintenance for rack and cabling of network interface for proper Fail-Over Experience with Cisco UCS, Virtual infrastructure on VMware, installation, Upgrade/Patching Worked on Cisco UCS Manager,

Promoted local UCS domain to global domain and register to Intersight/UCS Central Upgraded UCS domain firmware versions from 2.2(3f) to most current 4.3(2b) UCS C Series, C220, C240 M5 hybrid or all-flash.

Deployed over 5 instances of HyperFlex installations throughout USA, Asia, and Europe regions.

Built Hyperflex infrastructure to support over 2000 VDI customers with Citrix Virtual Desktop

Installed Intersight Management and deployment in all regions.

Implement new deployments globally and locally.

Cisco UCS 5100 Chassis and Fabric Interconnect implementations (physical install/cabling) & (software design/Implementation) UCS Firmware patching and backups of UCS domains

Configured UCS profiles for better management of blades during maintenance and upgrades.

Utilizing UCS SAN boot for diskless systems

VMware infrastructure ESXi 6.x/7.x vSphere installation & configuration

Design, implementation, testing and deployment of VMware infrastructure.

Creation, management and configuration of virtual machines, clones and templates Customizing quest operating systems for Virtual Machines Patch management using VMware update management for ESX server.

Testing and Deployment of VMware Infrastructure 8.0 (started 12/23)

Strong foundation and experience in VMware 6.x/7.x virtualization technology, vMotion, Storage vMotion, vSphere replication, HA, DRS, ESXi Cluster etc Installed and configured vCenter 6.x/7.x

Installed/Configured EMC Powerstore 5000, 7000 & 9000 and NetApp models, AF220, AF250 AF400 NVMe

Experience with Data Center relocation projects and power down/up (compute, storage, network) Resolve Storage issues High availability of data wherever required data migration.

Worked on Active Directory, DNS, DHCP and Group Policy Objects Active Directory maintenance of Organizational Units

Installed/Configured Windows patch management through WSUS server.

Installed and configured Red Hat Linux / CentOS on physical/virtual environments.

Coordinated with vendors for equipment procurement, installation, maintenance contracts, ensuring optimal service levels at competitive pricing points.

Provided Tier-3 support to resolve complex issues for clients and maintain high customer satisfaction levels. (MAC OS/Win10,11)

Optimized network performance by implementing advanced infrastructure solutions and monitoring tools.

Installed and configured Citrix 6.x/7.x XenServer and XenCenter

Reduced downtime by proactively identifying and addressing potential issues in the IT infrastructure.

Implemented best practices in change management to minimize disruptions during critical system updates.

Provided 2nd and 3rd level technical support and troubleshooting to internal and external clients.

Worked effectively in fast-paced environments.

Demonstrated strong organizational and time management skills while managing multiple projects.

Worked flexible hours across night, weekend, and holiday shifts.

SYSTEM ADMINISTRATOR 06/2009 to 12/2011

TethysBio

Maintained Active Directory of 500 users

Created Group Policies, OU audits

IT Support/Infrastructure Support Maintained Development-Research labs

Maintained and configured CLIA lab of over50 users

Provided support to Win7,10/MAC OS end users.

Configured Roche Cobas, BioRad Turbo devices

Troubleshoot and configure Centralink Server Installs Troubleshoot and configure Epicor ERP Software

Calibrated Biotech Instruments for proper measurements

SYSTEM ADMINISTRATOR 01/2007 to 12/2009

Amgen Bioscience

Maintained Development and Research labs

Maintained and configure along with CLIA lab

Provided support to Win7,10 MAC OS end users.

Configured Roche Cobas, BioRad Turbo devices

Configured Centralink IT Server Installs (Win2k) Configured Epicor ERP Software Administered VMWare environment with Windows rollouts IT Server Support/Infrastructure Support

EDUCATION

Computer Information System, General Ed

Chabot College, Hayward, CA

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