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Sr. Systems Administrator Resume

San Jose, CaliforniA

SUMMARY:

  • 14+ years’ experience in VMware design, architecture and implementation utilizing VMware ESX/ESXi and Redhat Linux technologies.
  • Implementation and administration of vSphere ESXi, and vCenter versions 6.5, 6.0, 5.5, 5.0.
  • Configured new virtual/physical windows/linux servers using Cisco UCS B200 M3/B420 blades, IBM x3550 M3, 3650 M2, HX5 blades and HP DL360G5/C7000 Blade Chassis.
  • Performed automated firmware upgrades on Cisco UCS environments with FabricICs.
  • Performed automated OS installs using Cobbler on bare metal hardware.
  • Performed automated package upgrades and user creation using Chef Infrastructure.
  • Deployed EC2 servers using AWS technologies (deploying EC2 servers, S3 and Glacier storage). Moving EC2 instances, EBS volumes, RDS instances across regions.
  • Hosted Static Websites/WordPress websites and launched a LAMP stack web app in AWS.
  • Designed and Architected completed Citrix VDI environment for 300 users in Manila using XenDesktop 7.0/7.5/7.6, PVS, Machine Catalogs and NetScaler version 10.5.
  • Involved in quick critical package rollout’s using Redhat Satellite servers across 1000 + Linux VMware/physical environments.
  • Configured CVS/SVN/GIT repositories for developers in the Linux environment and in prod configured chroot jails for external vendors requiring to drop sftp files.
  • Performed security remediation’s on virtual and physical servers and patching on Windows 2003/2008 physical and virtual servers using VMware Update Manager and Windows Update using SCCM 2012 R2.
  • Experience in scripting using PowerShell CLI and Linux bash.
  • Excellent communication skills, capable of working in a team/group or at individual capacity managing vendors and different support teams across a fast paced environment.

TECHNICAL SKILLS:

Operating Systems: Redhat, Centos, Windows Server 2012.

Hardware: UCS, Fabric Interconnect, HP, IBM.

Networking: NetScaler 10.5, Cisco L2/L3 Switches, Juniper FWs.

Cloud: Amazon AWS.

Databases: MySQL, Postgres, MariaDB.

Automation: Cobbler Kickstart, Chef, PowerCLI and Bash.

Versioning: Git, Cvs, Svn.

Monitoring Tools: VMware Log Insight, Check MK.

Patching: WSUS, SCCM 2012, Redhat Satellite 6.0

Virtualization: VMware ESXi 6.5/6.0/5.5/5.0.

VDI Solutions: Citrix XenDesktop 7.5, Director, PVS, mCatalogs.

PROFESSIONAL EXPERIENCE:

Confidential, San Jose, California

Sr. Systems Administrator

Responsibilities:

  • Designed, deployed and administered virtual infrastructure solutions based on VMware ESXi 6.5, 6.0 5.5, 5.1, 5.0 for development and production environments.
  • Designed, deployed and monitored Citrix XenDesktop 5.0/7.0 environments along with Citrix NetScaler and Citrix Director.
  • Configured Cobbler for kick starting bare metal hardware with Linux and Ubuntu OS.
  • Used Vcenter Log Insight for monitoring the production portion of VMware Infrastructure.
  • Installed and configured Chef Infrastructure and automated package updates, user creations using cookbooks and recipes.
  • Upgrade virtual Infrastructure in phases from ESXi 5.5 to 6.0/6.5 and same for vCenter.
  • Designed and Implemented Cisco UCS Blade Infrastructure with Netapp supporting more than 1000 + vms.
  • Hosted Static Websites/WordPress websites and launched a LAMP stack web app in AWS.
  • Administer, maintain and troubleshoot multiple VMware installations using Netapp Network Attached Storage (NAS) and Citrix Catalogs on XenDesktop 5.0 and 7.0.
  • Configured UCS service profiles, templates and vem installation. Automated creation of ESX Server Setup using Host Profiles and DV Switches.
  • Proficient with CVS/SVN/GIT source control.
  • Managed complete patching from SCCM 2012 R2 for Windows and Redhat Satellite version 5.0 for Linux systems.
  • Performed ESXi and VM troubleshooting and go - Live Production support.
  • Documentation of installing/configuring/post installation tasks for Windows Server 2012 from templates and for Redhat Linux systems using Wiki system.

Confidential

Systems Administrator

Responsibilities:

  • Experience working with AWS technologies (deploying EC2 servers, S3 and Glacier storage).
  • Familiarity with storage hardware, installation and scaling as per requirements (setting hardware RAID, LVM, XFS filesystems).
  • Experience working with VMWare Infrastructure Proficiency in system security, installation of open source and software and configuration and fine-tuning of services for optimal use of resources.
  • Performed linux systems administrative tasks for our customers which will include debugging system and network issues related to labs.
  • Written bash shell scripts to automate tasks and streamline operations.
  • Investigated and determined root cause for intermittent and complete outages of network traffic.
  • Worked with partners in bringing up new labs and services.
  • Installed and configured networks, including cable patching, equipment installation, and configuring (and securing) network hardware.
  • Configured Cisco, NetScaler, F5, Nexus and Juniper SRX devices.
  • Hands-on experience of VMware administration in an enterprise scale environment, which consists of more than 1,000 virtual servers or 100 hypervisor hosts.
  • Hands-on experience in Cisco UCS and HP ProLiant hardware models.

Confidential, San Jose, California

Sr. Systems Administrator

Responsibilities:

  • Designed, deployed and administrated complex virtual infrastructure solutions based on VMware ESX/ESXI 3.0, 3.5, 4.1, 5.0 for development and production environments using VMware Auto Deploy.
  • Provide support in performance monitoring, back-ups, reporting, problem identification, management, and resolution.
  • Monitored and administered Citrix XenDesktop 5.0 Environments.
  • Installation, deployment, administration, configuration, troubleshooting and maintenance of Windows core infrastructure services. AD, DNS, IIS, SQL, Systems Center.
  • Designed and Implemented Cisco UCS Blade Infrastructure and Flex Pod using Cisco and Netapp supporting more than 3000 + vms, 200 + ESX/ESXI HP 685 blades between two Datacenters running RHEL 4.5/5.4/5.7 and Windows Server 2008 vms.
  • Administered, maintain and troubleshoot multiple VMware installations using Network Attached Storage (NAS) Implementations and Catalogs on XenDesktop 5.0.
  • Configured HP 585, 685 G7 Blades chasse profiles, ILO, and network VLAN’s using Virtual Connect. Automated creation of ESX Server Setup using Host Profiles and DV Switches.

Confidential, San Jose, California

Windows/Linux/VMware Systems Administrator

Responsibilities:

  • Managed a large VMware based implementation consisting of 700+ Physical host and 8,000 VMs in multiple locations using VMware ESX 3.5 Update1.
  • Participated in the implementation of vShield App, Netapp, and Splunk for VMware.
  • Maintained and enhanced automation using PowerCLI Script’s based on self-provisioning service.
  • Used Cobbler with kick start for automating Red Hat Enterprise Linux Installations.

Confidential

Windows/VMware Engineer

Responsibilities:

  • Windows / ESX system engineer for large scale ERP consolidation and implementation. Trained the permanent support team in ESX management.
  • Created Crystal Reports report to track project specific service tickets from Perot wide help desk database. Developed remedy reports that became standard in Perot systems.
  • Acted as third level support to the Help Desk on hardware and software troubleshooting.

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