System Administrator Resume
Savannah, GA
SUMMARY
- Experience implementing VMware Virtual Infrastructure environment that consisted of ESXi Server, multiple Virtual Center, vMotion, HA, DRS, VCB, Update Manager.
- Managed large virtual server farms running VMware ESX Infrastructure (24 hosts, 6 clusters, 2 sites)
- Expertise in installation and managing Virtual servers VMware ESX and VMware vSphere clients.
- Experience working in VMWare Cluster environments and performing vMotion at ESX level and Storage vMotion at SAN level.
- Experience in installation, configuration of Linux virtual server using VMWare Infrastructure.
- Experience in Installation and Configuration of multipathing software (Powerpath& MPXIO).
- Experience in UNIX shell scripting.
- Experience in implementing application servers like apache Tomcat and JBOSS.
- Experience in troubleshooting and resolving network issues related to the servers.
- Hands on experience with EMC DMX, SymmetrixandClariionseries.
- Extensive Experience in Disaster Recovery Exercises (DR).
- Experience working in Production and Testing Environment.
- Knowledge of Performance Tuning and Capacity Planning.
- Excellent problem solving and analytical abilities.
- Excellent Communication and Inter - personal skills.
- Expert in Managing NAS devices like NetApp Filers FAS 2020 & 2040, FAS 3040, FAS 6140 & 6210 & 6080 and EMC Celerra NS120.
- Expert in performing tasks on DATA ON TAP like creating volumes and involved in NFS and CIFS for UNIX and Windows servers.
- Managed the entire Netapp Storage Infrastructure of a sizable healthcare organization with multiple sites (350+ TB, 3 CF clusters, 2 sites)
- Was a single point of contact for all storage related aspects within the organization
- Experienced in ONTAP 7.x, 8.x 7-mode, CF clustering, NDU and takeover/giveback procedures with minimal disruption to a running production environment
- Expert in performing upgrades on DATA ON TAP 7.x to 8.x.
- Expert in Server Builds, Installs, Upgrades, Patches, Configuration and Performance Tuning.
- Expert in maintaining a secure, integrated heterogeneous computing environment.
- Experience in managing total site responsibility and monitoring IT projects for the entire life cycle.
TECHNICAL SKILLS
Operating Systems: ESX, ESXi 5, VMware ESX 3.5, 4.1,RHEL(4/5/6), Sun Solaris 10/9/8/7 UBUNTU, Novell 4.0, Windows NT 4.0/98/XP/Vista.
Software Tools: VERITAS Volume Manager, Logical Volume Manager Veritas Cluster, Solstice DiskSuite, Samba, HP Service Guard,Open Migrator, Tivoli MAESTRO, VMware, Crystal Reports
Hardware: Confidential UCS, G5, Sun Microsystems SPARC & ULTRA servers/ workstations (E450, E3500, E6000, E10K), IBM P595F & HP UX systems, 3650 switches2900 Series routers, Confidential Nexus 4k & 5k.
Languages: PERL, C, C++, C#, Java, PL / SQL, HTML, Shell Scripting, ANT, .
RDBMS: Oracle, MySQL, Sybase, DB2 and MS Access.
Storage: EMC Power Path 4.0, VERITAS SAN Point Manager, VVM 3.1/3.2/4.0, RAID Manager NetAppFAS 2040, FAS 3170, FAS 3270 & FAS 6210, Data ONTAP6.x, 7.x & 8.x.
PROFESSIONAL EXPERIENCE
Confidential, Savannah, GA
System Administrator
Responsibilities:
- Implemented VMware, ESX server to provide multiple virtual platforms.
- Built servers with Raid Configuration RAID 5 and Raid 1+0 on HP ProLiant DL380,360,580,ML370
- Involved in HW and VMWare upgrades from ESX 2/3 to 4.x versions and also experience working HA in ESX environment.
- Implementation, Integration, Problem Resolution, Root Cause Analysis, Quality Assurance, Disaster Recovery, Audits, Hardware/Software OS & Application Maintenance, Performance Tuning, Upgrades, OS Backups, Migrations, User Account Maintenance, Storage Management and all other daily system administration functions.
- Building HP-UX (11i, 11i v2 and 11i v3) Servers and RHEL(4/5) Servers from scratch.
- Creating the patch depots for HP-UX with the patches from the monthly Threat Horizon Reports.
- Organized the patch depots and act as POC for the patch related issues.
- Handled patch upgrades and firmware upgrades on HP-UX and RHEL Servers.
- Worked with storage and DB teams for successful hand-over of the projects.
- Configuration & Installation of Red hat Linux 5 by using Kick Start.
- Extensively used HP-UX IGNITE for installation of OS on the HP-UX target systems.
- Ran EMC grabs and performed staging for migration.
- Creation of various user profiles and environment variables to ensure security.
- Attended team meetings, change control meetings to update installation progress and for upcoming changes in environment.
- Troubleshooting the Hung VM Sessions on ESX Host and sending the files to VMware support for resolutions.
- Manage the Citrix Web Servers by giving permissions to the users to access the Applications through Web Interface.
- Supported and Managed VMware ESX 4.1 Infrastructure for production/non production environments including HA/DRS Clustering.
- Creating and managing security groups and reconciliation of the same regularly.
- Involved in On Call rotation for supporting production strictly maintaining SLA’s.
- Created documentation for Server Builds, Application Installations, Mapping the drives and Issues which occur during software upgrades.
- Worked extensively with Active Directory Services, Web Services (IIS Servers), DNS, DHPCP, SQL Database Servers and Business Application Servers.
- Building new VMware virtual machines to meet the specifications provided by the Client.
- Server hardening and security configurations as per the client specification.
- Developed startup scripts using Bash and Perl.
Confidential, Timonium,MD
System Administrator
Responsibilities:
- Generating report summary and performance for ESX servers and VM’s. Creating a snapshots for the VM’s and creating new folders, data centers, clusters and resource pools in VC.
- Deployed VMware vSphere by upgrading VMwareinfrastructure 3 tovSphere 4.
- Upgraded theVMwaretools, VM hardware 8 on all the VM's as a part Upgrade process.
- User and Application Access Management.
- Creating and Maintaining VM templates.
- Responsible for maintaining inventory for all Linux servers at corporate and remote locations.
- Configuration & Installation of Solaris 9&10 on SUN SPARC.
- Technical Trouble Shooting and Issue Resolution.
- Supporting Disk Management using VERITAS Volume Manager, solaris volume manager, and logical volume manager.
- Patching, User Administration, Security on Solaris 9.
- Upgrade of Solaris 9 to 10.
- Created Solaris Zones/Containers.
- Installation and Implementation of JBOSS Application Server.
- Planning and Deployment of Local Area Network administration.
- Scheduling cron jobs for job automation.
- Linux installation using Kick start and PXE.
- Worked with LDAP implementations.
- Tuning of kernel parameters.
- Created volumes on storage for VMAX array on RHEL and Solaris machines.
- RAID Configuration.
- Performed data migration at host level leveraging Red hat LVM, VxVM and Sun LVM.
- Configuring and implementing Linux kernel recompilation.
- Migration of data on Veritas cluster and Red Hat Cluster environments.
- Worked on VeritasNetbackup 6.5 version for data backup and restoration.
- Configured NIC bonding on RHEL Servers.
- Network based installation on huge number of machines using Jumpstart.
- Installation of logical domains (LDoms) manager and security packages.
Confidential, SAN Jose, CA
System Administrator
Responsibilities:
- Planning of OS upgrades for existing infrastructure.
- Worked extensively on VMware (virtualization).
- Created Logical Volumes (LVM) for Linux operating system.
- Planning and Implementation of Kernel patches on Solaris and Linux Servers.
- On-call support using the Remedy Ticket System for routine system administration issues.
- Tuning of the TCP/IP stack for troubleshooting application and OS issues.
- Responsible for installation and maintenance of the Confidential UCS Servers.
- Responsible for downloading and upgrading the patches as per the system requirements.
- Support the PeopleSoft/Weblogic team by helping in the OS and Application upgrades and installation of new SSL certificates for Weblogic 10.1
- Maintenance of VERITAS Cluster Server.
- Used NetBackup for backing up & restoration of file systems.
- Built new servers using Custom jumpstart installation and Kick start.
- Securing services using TCP wrapper and SE Linux.
- Worked with Firewalls using IP Tables.
- Open SSH configuration.
- Sudo Configuration.
- Repairing the corrupted file system using FSCK.
- Network Interface configuration.
- Responsible for managing the OS test, release and push process.
- Maintained, updated and audited system documentation.
- Installation and Implementation of Apache Tomcat Application Server.
- Responsible for adding and maintaining users on the network.
- Supported and implemented system standards, processes and security to maintain corporate IT standards.
- Planning, scheduling and implementing OS patches on both Solaris & Linux boxes as a part of proactive maintenance.
- Responsible for configuring NFS &AutoFS.
- Performed and maintained the corrupted file system.
- Worked with Configuring and troubleshooting NIS.
- Help and troubleshoot user accessibility problems.
- Responsible for Monitoring network statistics of various network related data structures.
- Designing, Planning, Implementing and Troubleshooting a LAN.
- Configured and maintained Confidential switches 2900 series.
- Responsible for preparing architectural flow diagrams, topology and presentations.
- Responsible for Documentation of UNIX environment and configuration details.