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Systems Administrator Resume Example

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SYSTEMS ADMINISTRATOR
Accomplishments
  • LinkedIn - My Profile Summary.
  • An IT Professional with almost 5 years of experience in Building out and Supporting VMware, Linux and Windows Server Physical and Virtual Environments.
  • Expertise is Managing and Troubleshooting the whole Virtual and Physical infrastructure in a Data Center that includes Servers, Routers, Switches, Firewalls, Load balancers, Terminal Servers and Power Distribution Units.
  • Experience in deploying the Azure Cloud infrastructure and Integrating it with Cisco ACI Fabric for better Network Performance and Manageability.
  • Experience in Basic Configurations and usage of the IXIA/Spirent Traffic Generators.
  • Experience in Planning & Building out ACI Labs for QA/Development Groups.
  • Experience providing 24/7 support in a Production Environment to maintain maximum uptime and ensure server reliability using Monitoring Tools.
  • Expertise in deployment of Applications from various different Vendors on Windows and Linux Platforms.
  • Expertise in Configuring, Maintaining and Troubleshooting different Server Hardware that includes Cisco UCS B-Series & C-Series Servers, HP C7000 Enclosures, BL series blades and DL series Rack mount Servers as well as managing them using the Cisco UCS Manager and HP Onboard Administrator.
  • Experience in Configuring and Managing NFS server on Linux as well as basic Management of NetApp and EMC Storage Solutions.
  • Expertise in Setting up and Managing the Windows Virtual Machines, Hypervisors and Windows Azure pack using the System Center VMM.
  • Experience in implementing VMware Virtual Infrastructure Environment that consisted of VMware products such as ESX/ESXi hosts, multiple Virtual Centers, VMware Orchestrator & VMware Update manager and included features such as vMotion, HA, DRS, vDS.
  • Experience in setting up the VMware VDI and Integrating it with the Microsoft Active Directory for Authentication and Cisco ACI for Network.
  • Experience in Server Provisioning, Upgrades, Patching, Configurations and Performance Tuning of Linux, VMware and Windows Servers.
  • Experience in basic Configurations and Management of Cisco Nexus 9K/7K/5K/3K Switches.
Professional Summary
Certifications
Certified AWS Solutions Architect - Associate *Preparing for VMware VCP6 - DCV
Skills
  • Hardware : HP Proliant DL 585 G6/G7, HP C-7000, BL 460 G6/7,
  • Cisco UCS 5108, B200's, B250's M1's M2's, M3's
  • Server OS : Red Hat 4/5/6/7, CentOS 6/7, Windows Server 03/08/12
  • Virtualization : VMware ESX/ESXi 3.5/4/5, VMware vCenter, VMware VDI
  • Microsoft HyperV and SCVMM
  • SAN : NetApp Filers, OnCommand Manager
  • EMC VMAX, VNX, Net App 6240s
  • Database : MSSQL, MySQL, Oracle
  • File System tools : LVM and Windows Disk Management Utility
  • High Availability : Red Hat Cluster and Microsoft Failover Cluster
  • Network Servers : DNS, DHCP, NIS, NFS
  • Web Server : Apache & IIS
  • Scripting : Shell
  • Cloud : Microsoft Azure & AWS
  • Switches/Routers : Cisco Catalyst 3750/3560, Nexus 9K/7K/5K/3K/2K
  • Firewalls : Cisco ASA, Juniper SRX, IPTABLES, Windows Firewall
  • Ticketing Tools : JIRA, Remedy and ServiceNow
  • Backup : Symantec & Acronis
  • Log management : Splunk & VMware Log Insight
  • Change Control : github
  • Automation Tools : Puppet & Ansible
Work History
Systems Administrator, 04/2014 to 02/2017
Cisco Systems (Insieme BU) – San Jose, CA

Role: Provide IT Support to the ACI QA team on a day to day basis

Responsibilities include:.

  • Responsible for Capacity planning, design, installation and configuration of newly provisioned VMware, RedHat and CentOS servers.
  • Installing and updating packages using YUM (custom YUM Servers/repositories), Red Hat Satellite Server.
  • Deploying and Provisioning New Virtual/Bare metal Servers using PXE Boot/Kickstart Profiles and Post-install scripts written in Perl/Python Languages.
  • Write and Run Bash scripts to collect any data from several Linux Servers in the Datacenter.
  • Leverage Configuration Management Tools Such as Puppet/Ansible and Monitoring tools Such as Nagios/Zabbix for Configuration Consistency and Performance Monitoring of RedHat/CentOS Servers
  • Configure High Availability (HA), Distributed Resource Scheduler (DRS) and vSphere Distributed Switch (VDS).
  • Configure and Manage NFS servers running on CentOS/NetApp.
  • Update Kernels Parameters, deploy security patches and package management on Red Hat Enterprise Servers.
  • Bring up ACI Fabric including the APIC Cluster, Leaf and Spine Switches and integrate them with different Cisco and Non Cisco Products.
  • Occasionally help with Platform testing of Nexus 9K switches.
  • Troubleshoot L1/L2 issues in the Lab Network and assist Cisco IT in identifying and fixing any other Lab Network issues.
  • Purchase Cisco and Non-Cisco Equipment for QA/Dev Groups and Manage the hardware/software inventories as well as the Licenses.
  • Build out and Manage the Windows/VMware Virtual and Cloud Infrastructures and Integrate them with Cisco ACI.
  • Basic Configurations of Nexus 9K/7K/5K and 3K Switches.
  • Occasionally rack any new equipment and make connections between different devices.
  • Document Procedures, Create Topologies using Visio and Create/Maintain spreadsheets of Access details and IP Management.
  • Train new employees on how to bring up the ACI fabric and Basic configurations of Tenants/BDs/EPGs/VMM Networking and OOB Management configurations of Leaf/Spine Switches.
  • Diagnose and troubleshoot Linux and Windows processing problems and apply solutions to increase company efficiency.
  • Monitor network performance and provided network performance statistical reports for both real-time and historical measurements.
  • Ensure network, system and data availability and integrity through preventative maintenance and upgrades.
  • Implement company policies, technical procedures and standards for preserving the integrity and security of data, reports and access.
  • Recommend architectural improvements, design solutions and integration solutions.

VMware/Linux Administrator, 10/2012 to 03/2014
ViaSat Inc – Carlsbad, CA
  • Role: Provide Technical Support, build out and Maintain three new server farms that included over thousand Virtual/Physical VMware, Linux and Windows Servers Responsibilities Included:.
  • Lead a team of Four System Admins in Cloning and Replicating a server farm using the Acronis Backup and Recovery Software.
  • Setup and Configure/Optimize Red Hat Satellite and Kickstart Servers for Red Hat Enterprise Linux 5/6 installs and RHN Push Updates to minimize manual efforts.
  • Provide Tier 3 support for ESXi servers running on HP ProLiant BL460's, DL360's and DL380's.
  • Configure Linux multipath and Linux device mapper to configure multipathed LUNs from HP 3Par Storage.
  • Installation of ESXi 5.1/5.5 Hosts, vCenter Server, vCenter update manager and administering VM's across multiple datacenter's.
  • Create any specific LVM's for middleware developers as well as Database teams.
  • Configuring and Administering NFS, DNS, NIS, NIS+ and LDAP on RHEL server environment.
  • Upgraded the VMware tools, VM hardware 8 on all the VM's as a part of Upgrade process.
  • Troubleshoot, engage in incident calls, and define RCA's as part of the tier 2/3 support team.
  • Installation, Configuration and Administration of VMware ESXi 5.1/vCenter 5.1,.
  • Assessment, design and Implementation on the vSphere Upgrade, 200+ ESXi hosts upgraded from VMware ESX 5.0 to ESXi 5.5.
  • Part of the implementation team that configured and deployed new patches, upgrades, bug fixes on both physical and virtual windows servers.
  • Building VM's and new Templates for new Projects and allocating them to appropriate Resource pools.
Systems Administrator, 03/2012 to 08/2012
Juniper Networks – Sunnyvale, CA
  • Role: Provide L3 Support to the Development Team Responsibilities Included:.
  • Maintain and deploy High End applications developed in Java using Weblogic/Tomcat Application Server.
  • Provide support to the Java development team to help develop Java based applications.
  • Install and configure RICCI agents to deploy RHCS and manage the entire cluster environment utilizing LUCI and clustat.
  • Create and maintain ACL's to allow only specific LAN computers to use squid, as well as utilizing access.log to test squid proxy.
  • Design and implement mechanisms for handing on-off technical issues to other technical teams for resolution.
  • Write and Deploy bash/perl scripts using crontab to perform daily backups, audit collection, and push new changes out to manage and maintain consistency across Redhat Enterprise Linux servers.
  • Configured and deployed patches, upgrades, bug fixes on both physical and virtual Red Hat Linux servers using Satellite Server/Spacewalk.
  • Review and remediate software distribution failures and to eliminate the problems that causes those failures.
Education
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Resume Overview

Companies Worked For:

  • Cisco Systems (Insieme BU)
  • ViaSat Inc
  • Juniper Networks

Job Titles Held:

  • Systems Administrator
  • VMware/Linux Administrator

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