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Sr. Systems And Network Administrator Resume

SunnyvalE

SUMMARY:

  • 12 years of Experience as an IT Computer Network, Security, Storage and Cloud Systems Engineer/Analyst/Administrator - Windows 2000/2003/2008/2012/2016/ RHEL 4.5/5/7.3, CentOS 5/6.3/7.
  • Experience with VMware VSphere Suite 4/5/5.1/5.5, ESX 3.5/4.0/4.5, ESXi 5.0/5.1/5.5 and VMware VCenter 4/5/5.1/5.5/6.0/6.5.
  • Microsoft Hyper-V Administration.
  • Installation, configuration and troubleshooting Network issues.
  • Proficiency in advanced features of ESX/ESXi, VMotion, Storage VMotion, HA, DRS, VApp.
  • Expertise in creating Client VM Templates, Cloning and managing VM Snapshots.
  • Citrix Presentation Server 4.5/5.0 (Xen App Server) Administration.
  • Networking Administrator experience - Experience with Tracert, Netstat, HTTP, FTP,SFTP, SCP, TFTP, Router, Switches, Hubs, Routing protocol OSPF, IGRP, EIGRP,RIP,RIP v3, LAN, MAN, WAN.
  • Troubleshooting Network/Telecom Protocols using the PGA/Analyzers/Wireshark.
  • Experience in Windows 2000/2003/2008/2012/2016 Active directory (AD) and GPO Administration.
  • Involved in Active Directory User Objects migrations and Setup, architect of Active Directory on Windows Server 2008.
  • Experience in Managing Network Shares Server, Print Server, NFS, NIS, DFS.
  • Experience in Implementing Active Directory Infrastructure.
  • Administration of production Windows Servers infrastructure that includes Domain Controllers, IIS Web Servers, File and Print and FTP/SFTP servers.
  • Experience in Administrating of Microsoft Cluster Servers on windows 2003/2008/2012.
  • Installation and Configuration of Oracle 10g/11i,MySQL,MS SQL 2000,2005,2008,2013,2016.
  • Administering VMs and Servers through VC. Installed, configured and maintained Windows 2000, 2003, 2008, 2012 and 2016 Operating Systems.
  • Extensive experience in installation, configuration and administration of Redhat 9/8.7.x, CentOS, Windows 2012/2008.
  • Experience in implementation and maintenance of VMware.
  • Day - to-day administration of RHEL 5/7, Windows Servers includes installation, testing, tuning, upgrading and loading patches, and troubleshooting server issues.
  • Implemented RAID levels Raid 0, 1, 5, 6, 1+ 0 for Disk management.
  • Proficient in handling Hardware issues, Migration and Data Center Operations.
  • Replacing the Server Hardware components like RAM, CPU, and Controller Cards.
  • Configured Networking Concepts DNS, DHCP, WINS, NIS and NFS.
  • Expertise in WINS, DNS, DHCP and Active Directory services in Windows 2003 servers.
  • Experience in Implementing and Administration of Active Directory Services, replication, Forest Trust Relationship and Enforcing Domain Group Policy.
  • Knowledge of Microsoft PowerShell Scripts, Shell Scripts and Python Scripts to automate business process.
  • Strong Windows Administration skills on windows 2016/2012/2008/2003/2000/ NT 4.5.
  • Storage Administration - Creation of LUNs, Allocation of LUNs, Administration and troubleshooting Storage related issues.

TECHNICAL SKILLS:

Operating Systems: RHEL 4.x/5.x/6.x, Solaris 9/10, CentOS 5/6.x/7.x, Fedora 7, Windows Servers NT/ 2000 /2003 /2008/2012/2016, Ubuntu 14.x/ 16.04.2/16.10

Network Operating Systems: Cisco CatOS 8.6, JUNOS 16.1R1.7,Cisco IOS 12.2

Network Hardware: Cisco 2901/2911/2951 routers, Cisco Nexus Switch 3000/5000/7000/9000 Series, Cisco Catalyst 2960/3560/3650/3750 and Cisco Catalyst 6500/6500-E, Juniper EX4200/6200,Spirent Test Center Chassis N11U/N9U

Virtualization Technologies: VMware ESX 3.5,4.5,5.1,5.5,6.0,6.5 Hyper-V on Windows Servers 2012,2016, KVM on CentOS 6.3/7.0 and Linux-V Server on RHEL

Cloud Computing: Amazon Web Services (AWS), Microsoft Cloud Services, Google Cloud Services, Open Stack.

Server Hardware: Cisco UCS C220 M3, Dell PowerEdge 1890/1920/2920, HP ProLiant DL360 DL380/DL 380 G4-G9 /DL385, HP Blade Servers, Super Micro Servers, IBM Blade Servers

Volume Management Tools: Veritas Volume Manager 4.0, 5.0, Logical Volume Manager, RAID, Veritas Cluster, Microsoft Cluster services.

Server Management: Sun management console, HP open View, Network node manager, Compaq insight server manager, HP ILO/ILO2/ILO3 Console, RIB, Dell DRAC/iDRAC Console, IBM IMM Console, Cisco UCS CIMC.

Database Servers: Oracle 9i, 10g, 11g,11g express Edition on Red Hat Linux /Cent OS and SQL Server 2000, 2005,2008,2013,2016 on Microsoft OS, MySQL server on Linux.

Network Services: DNS, DHCP, SMTP, SNMP, SMB, CFS, iSCSI, NIS, NFS, FTP/SFTP, TFTP, ARP/RARP, SSH, TCP/IP, NTP, TELNET, SCP, LDAP, Active Directory, Microsoft Exchange Server, WSUS.

Web Technologies: Apache 2.0 and Tomcat on Linux, IIS 6/7/7.5 on Windows OS,Java Webservers

Storage: EMC Unisphere VSA, NetApp ontap 8.x/9.x, EMC PowerPath, Symmetric/Clariion & Celerra and Hitachi Storage.

IT Security and Compliance: McAfee Endpoint Security 10.0, IBM Bigfix 9.5.4, Checkpoint R77.0/R77.3 firewall, ISA 2014 Firewall and Cisco ASA, Kloudless Enterprise v1.21.1, Arcsight Connectors, SCCM Endpoint Protection 2012,WSUS, McAfee ePO 5.3.2, McAfee Drive encryption 7.1 SP3, McAfee NSM 8.3,Skyformation

Data Technologies: Hadoop Administration

Automation Technologies: Powershell and Python

Configuration Technologies: SCCM 2012 - System Center Configuration Manager, IBM Bigfix 9.5.4

PROFESSIONAL EXPERIENCE:

Sr. Systems and Network Administrator

Confidential, Sunnyvale

Responsibilities:

  • Systems Design as per the requirements, Security events generation and audit logs.
  • Installation, Configuration and Setup of System and Network Devices.
  • Research on IT Networks and Systems Design implementation as per the requirements.
  • Windows Operating Systems Administration - Design, Setup, Installation, Configuration and troubleshooting of Windows OS related Systems and Network.
  • Linux Operating Systems Administration - Design, Setup, Installation, Configuration and troubleshooting of Linux OS related Systems and Network.
  • Network Installations and Configurations, Network Administration of Cisco and Juniper routers, Switches and firewall.
  • Storage Administration - EMC/Unisphere VSA, NetApp ontap 8.x/9.x Storage, EMC Networker 7.6/8.0/Clariion
  • VMware Administration - ESX/ESXi Servers Setup, Installation, Configuration and troubleshooting Systems.
  • Hyper-V Administrator - Windows Hyper-V Servers Setup, Installation, Configuration and troubleshooting Systems.
  • Cloud Administration - AWS Cloud Administrator.
  • IT Security and Compliance Administration - Cisco ASA firewall, Checkpoint Firewall, McAfee ePO 5.3.2, McAfee Endpoint Security 10.0, IBM Bigfix 9.5.4, McAfee NSM 8.3, Kloudless Enterprise v1.21.1,Skyformation, SCCM Endpoint Protection 2012 and Audit of Security Logs and Administration.

Resident Systems Engineer

Confidential, San Jose

Responsibilities:

  • Deliver onsite technical service and support for Spirent customers.
  • Diagnosing, troubleshooting, and debugging systems (Windows/Linux/VMWare/Network/Spirent Test Center - PGA/Analyzer)
  • Troubleshooting issues related to Network/Telecom Protocols.
  • Customer system installation and training.
  • Promote and educate customers on Spirent support processes and SLAs.
  • Keep stakeholders (e.g. sales, customer, technical peers, and management) informed of actions, and progress on technical product issues.
  • Respond to customer inquiries either in person or via telephone, online networks and email.
  • Communicate with product teams regarding bugs and proactively conduct follow-ups to ensure fixes are received and tested by customers.
  • Advice management on product development issues arising from product problems identified through customer service and product experiences.
  • Process and maintain pertinent information within our support CRM systems.

Systems Administrator

Confidential, San Mateo

Responsibilities:

  • Deployment of Windows Server 2012 servers, Hyper-V Servers and VMs as per requirements.
  • Windows Server 2012 Administration.
  • AD Administration - Windows Server 2012 R2 Servers.
  • Building Windows Server 2012 R2 Servers.
  • Creating VM’s on Hyper-V
  • Installation and Configuration of Windows Server 2012 R2 Servers
  • Patching the Servers using WSUS
  • Hardware RAID Configuration.
  • HP ILO Configuration.
  • Firmware and drivers update using HPSUM.
  • Troubleshooting Server Hardware Issues.
  • Coordinating with HP for the Server Hardware replacements.

Datacenter Administrator

Confidential, San Jose

Responsibilities:

  • Installation, Configuration and performing administrative tasks related vSphere 5.1
  • VMware ESXi 5.1 Servers Administration
  • Installation, Configuration and administration of Windows 2008/2012 Servers.
  • AD implementation and administration on Windows 2012 R2 Enterprise Edition.
  • RHEL5 installation configuration and Administration.
  • Installed and configured DNS, DHCP and WINS on Windows Server 2012 R2.
  • Cloning virtual machines as per Engineering Team requirements.
  • Installation, Configuration and monitoring of APC UPS equipment.
  • Installation, Configuration and administration of PDU remote Power ON/OFF.
  • Network Port configuration and vlan changes on Juniper switches.
  • Configuration of new Juniper switches in Data Center.
  • IP address management using Solarwinds.
  • Monitoring the network objects using Solarwinds.
  • Network share creation on NetApp Storage.
  • Managing Clustered Fileservers.
  • Backup drives creation on the Storage systems using EMC Unisphere.
  • Avamar backup configuration and administration.
  • Troubleshooting Hardware devices in Data Center.
  • Performed CentOS 7 Administration.

Computer Systems Analyst

Confidential, Fremont

Responsibilities:

  • Virtual Machine design and cloning and deployments.
  • Solutions provider in VM Environment, architecting VM as per requirement on Open Source Software’s.
  • Deploying customized application and creating VM template clone.
  • CentOS 5/6.3/7 Administration.
  • RHEL 5 Server Administration.
  • Apache Tomcat Application Server 7 Installation and Configuration.
  • Oracle 11g XE Installation and configuration on Linux.
  • VMWare Administration.
  • VM creation and creating template to propagate the template on other Physical Machines.
  • Installation and configuration of application on Linux Servers.

VMware Administrator

Confidential, San Jose

Responsibilities:

  • Installation, configuration and performing administrative tasks related vSphere 5.0/5.1/5.5
  • Installation, Configuration and administration of vShield 5.0/5.1/5.5 Manager.
  • Installation and Configuration of Apache / Tomcat Webserver.
  • VMware ESXi 5.1/5.5 Servers Administration.
  • Troubleshooting the Operational Issues and fixing the same.
  • Cloning virtual machines as per Engineering Team requirements.
  • Working on Python Scripts to perform automation.
  • Performed CentOS 6.3 Administration.
  • Administration of RHEL 5 including installation, configuration, testing on both physical and virtual machines.
  • Configuration of Cisco Nexus Switches and Terminal Consoles.
  • Created/cloned VMWare Virtual machines for Dev, Test and Prod environments.
  • Windows Server 2003/2008/2012 Administration.
  • Handling issues related to Hardware Devices, OS.
  • Worked with Python scripts to automate the Virtualization process.

Systems Administrator

Confidential

Responsibilities:

  • VMWare vSphere 5.0, Citrix PS 5.0, Widows 2008/2012 and RHEL 5 Administrator.
  • Administration of RHEL 5 including installation, configuration, testing on both physical and virtual machines.
  • Installation and Configuration and Administration of IIS6 web server.
  • Resolving Citrix profile related issues.
  • Ensuring all the production systems are properly backed up, initiating backup job for failed backups.
  • Fixing User Virtual Machine and cloning them as per the requirements.
  • Build, tune, troubleshoot and document systems in high availability clusters.
  • Configuration of Microsoft Cluster Services and fix the failover of these Clusters.
  • Installed, Configured and Administration of Linux Servers (Redhat and Centos) both on Physical and Virtual machines.
  • Created/cloned VMWare Virtual machines for Prod environments.
  • Windows Server 2003/2008/2012 Administration.
  • Troubleshooting the Application server base OS related issues and fixing the same.

System Administrator

Confidential

Responsibilities:

  • Administration of 25000+ Servers and managing large AD Forest.
  • Maintaining highly Critical Servers both Windows and VMware servers of AMRS, EMEA and PACRIM regions.
  • Handling issues related to hardware, OS.
  • VMWare Administration.
  • Troubleshooting Microsoft Cluster related issues.
  • Provisioning and building Linux servers both Physical and Virtual using VMware Provisioning and support of Production, QA and Developers environment.
  • Deployment and Build of various environments.
  • Worked with the Release team to build and support various environments.
  • Remote administration of the Microsoft Windows 2000/2003/2008 Servers which involves break fix and troubleshooting of the production issues on servers.
  • Monitoring the server’s hardware using HP SIM server and IBM Director/IMM.
  • Hardware troubleshooting on HP/IBM/DELL Servers using ILO/IMM /RIB.
  • Administration of Web based Internet/Intranet Client/Server multi-tire distributed applications; Installing Patches & packages on Unix/Linux Servers.
  • Installation, Configuration and maintenance of Hosted VMware products.
  • Checking the OS backup and security patches on daily basis and updating the same as per the release cycles.

Team Lead

Confidential

Responsibilities:

  • Provisioning and support of Production, QA and Developers environment.
  • Deployment and Build of various environments including Linux.
  • Performed Citrix Servers Administration, VMware Servers Administration.
  • Remote administration of the Microsoft Windows Servers in production environment.
  • Deploying the VMware virtual desktops.
  • Responsible for Antivirus updates.
  • Managing the Citrix Metaframe XP 1.0 Servers using the Console.
  • Troubleshooting the Citrix Client side issues.
  • Administrated server consolidation program through installation/configuration/design of VMware ESX server and VMware Virtual Center using Virtual Center, ESX, creating VMs, using/building VM templates and customization files, Storage vMotion, vMotion of ESX hosts, monitoring activities through alerts and scheduling tasks.
  • Configured High Availability (HA), DRS, FT and design/test DR solutions.
  • Creation of template and deploy VMs using template.
  • Analyze and suggest corrective methods on performance issues.
  • Upgrading the Application as per Application team requirements.
  • Performed workstation and server installations and upgrades, standardized workstation configuration, automounter, sendmail, and hardware upgrades; administration support.

Asst. Systems Engineer

Confidential

Responsibilities:

  • Windows 2003 Server administration.
  • To provide ongoing support in systems management and administration of LINUX/UNIX/Windows in global-scale environment.
  • Provisioning and support of Production, QA and Developers environment.
  • Deployment of Linux, VMWARE and Builds of various environments.
  • Hardware troubleshooting on HP/DELL Servers using ILO management Card/DELL DRAC/RIB Card.
  • Installation of Microsoft Clusters Services.
  • Installation, Configuration and troubleshooting the Windows Active Directory.
  • Performed the AD Migration from Windows 2003 to Windows 2008 using ADMT v3.0, Profwiz3.
  • File Shares Administration & User Account Management.
  • Software up-gradation and troubleshooting.
  • WSUS Administration.
  • Trouble shooting issues related to ESX host, VC, HA, DRS.
  • Performed Data Center Migration of Physical Application Servers to Virtual Servers (P2V) Using VMware Converter.
  • Responsible for Security Auditing of Active Directory Objects including OU,GPO, Group membership- creation, deletion, modification.
  • Configure, troubleshoot and monitor core services such as Active Directory, TCP/IP, DNS, WINS, DHCP and group policy.
  • Weekly meeting to discuss change management, datacenter and infrastructure approvals/issues.
  • Installed and maintained web servers Jakarta Tomcat and Apache HTTP (1.3, 2.2) Web server in Red Hat Linux.

Customer Support Engineer (Systems)

Confidential

Responsibilities:

  • Active Directory, GPO’s configuration and design.
  • Smart hands on for the network gears.
  • Configuration of Cisco Lab routers and switches depending on client requirements.
  • Installed, configured and administering Windows 2000/2003 servers.
  • Maintained Software deployment and management solution and ensure proper patching on client systems.
  • Maintained the Domain environment, including setting up the policies as per the security settings.
  • Administered DNS, DHCP, WINS in Active Directory Environment.
  • Coordinated with Application, Network and Security Teams and Vendor Management.
  • Responsible for setting up Windows 2003/2000/NT Servers.
  • Installed and configured Microsoft Windows 2003, Active Directory.
  • Upgraded Windows 2000 to Windows 2003 .
  • Defined group permissions and created local and global groups with account policies using.
  • Created user rights and defined local and roaming profiles.
  • Installed and Configured DNS, DHCP and WINS.
  • Administer the data center servers in production environment.
  • Install, configure, maintain and troubleshoot Microsoft Windows Server 2003 servers.
  • Remote administration of the Servers.
  • Installation of patches and other software packages Disk and File system management Configuration of Hardware and Software RAID.
  • Disk Management Utility. Used daily for file system creation and file system management.
  • Troubleshooting Server Hardware issues.

Systems Administrator

Confidential

Responsibilities:

  • Installation of the Windows, Linux, Solaris, IBM AIX and Iris operating system on the desktops and servers.
  • Administration of Windows NT4 server that holds the FoxPro2.0 database.
  • Systems support for over 200+ computers and 10 network printers.
  • Configuration of Proxy settings.
  • Maintaining accounts for Internet and e-mail purposes, and managing system back-ups and recovery for servers.
  • Installation of Windows NT 4/2000 Servers.
  • Troubleshooting the issues related the OS and Application software.
  • Taking data Backups on Tape Drives with Windows Systems and Restoring on user requirement.
  • Maintaining DNS and DHCP Server on Windows 2000 Advanced Server.
  • Installation and configuration of the oracle 8i databases.
  • Creating the users in the Oracle DB server and granting the required rights on the database.
  • Taking the regular backup of the Oracle DB using the Windows NT Backup utility.
  • Day to day server related activities, regular maintenance like reading the log files.
  • Event viewer messages and also trouble shooting and documentation.
  • Performed desktop migration from Windows 95/NT4 to Windows 2000.
  • Linux Lab Administration.
  • Troubleshooting LAN.

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