SUMMARY:

• 4 years of IT experience as a Red Hat Enterprise Linux/Unix Admin and Windows.
• Involved in installation, configuration, upgrading, patching and administration of Linux, UNIX and windows Servers.
• Performance Monitoring, resolving network issues & Tuning the system using tools such as - top, iostat, vmstat, netstat, nfsstat, truss, sar, ndd, ethtool, Dtrace, Strace.
• Managed Active Directory and Group Policy objects for three service locations with 600 total users mixed Windows and Mac clients.
• Experience with Openstack Services such as Compute, Network, Storage, Dashboard,
• Knowledgeable in Logical Volume Management on Linux with LVM Knowledgeable in HTTP, HTTPS, FTP, SFTP, DHCP, DNS, SNMP TCP/IP, UDP, ICMP, VPN, POP3 protocols.
• Knowledge in setting up SSH, SCP, SFTP connectivity between UNIX hosts.
• Knowledge in DNS, NIS, NFS, FTP, NIS, Samba Server, LDAP, remote access, security management, and system troubleshooting skills.
• Troubleshooting and packet capture with Net scout probes, Sniffer Pro, and tcpdump. Use of network monitoring tools including CiscoWorks and Wire shark/Ethereal.
• Good sound knowledge in analyzing the traffic packets using snoop on Solaris and TCPdump on Linux also wire shark on windows.
• Batch scheduling, batch scripting, nightly backups and network troubleshooting.
• Experience in Setting up Chef Workstation, boot strapping various enterprise nodes, setting up keys.
• Experience in setting up puppet master, Google cloud and puppet agents for managing enterprise policies, configurations.
• Comfortable in working in a Data center environment - swapping of disks, Attaching/Detaching storage, increasing Utilization.
• Experience in writing Scripts in Bash for performing automation of various tasks.
• Experience in writing UNIX Shell Scripts using commands like awk, sed, tcsh, bash, Ksh and Perl to automate system admin jobs.
• Responsible for the operation, maintenance and integrity of a distributed, networked AIX based environment.
• Content Management Systems Knowledge with e-commerce integration into CMS Experience with Linux/Apache/MySQL (Database Management).
• Good exposure to Configuration Management policies and practices with regards to SDLC along with automation of scripting using BASH/Shell, Perl scripting.
• Maintaining reliable backups of corporate data including email communications for disaster recovery and backup verification.
• Participated in configuring and monitoring distributed and multiple platform servers using Puppet. Used Puppet server and workstation to manage and configure nodes.
• Implemented Switch port security using Telnet, SSH, and PING
• Configuration and installation of Cisco Routers and Switches.
• Installing, configuring, administering, troubleshooting VMware server on ESX platform and VMware client, workstation.
• Excellent knowledge and understanding of MPLS VPN for both IPV4 and IPV6 and configuration of both VPNV4 and VPNV6 VRF instances.
• Creating clusters in VMware VCenter.
• Designed and developed test cases using JUnit and integrated the code using Git Version control.
• Configuring High Availability (HA) and Distributed Resource Scheduler (DRS) Creation of template
• Setup and configured network TCP/IP on AIX including RPC connectivity for NFS.
• Knowledge in working with SAN, and NAS, storage systems, Cisco SAN gear and SAN volume controller.
• Maintained high availability clusters and standalone server environments and refined automation components with scripting and configuration management (Ansible).
• Build servers using AWS: Importing volumes, launching EC2, RDS, creating security groups, auto-scaling, load balancers (ELBs) in the defined virtual private connection.
• Deployment and management through AWS cloud formation on EC2 instances and maintaining Amazon S3 storage.
• Knowledge in HP-UX system implementation and administration, including hardware setup, OS install and Filesystem management.
• Responsible for automating build and monitoring tasks across AWS and Rackspace using a variety of tools such as Mongo DB, NginX, Jenkins, and JIRA.
• Used GIT for version control and JIRA for defects tracking and reporting.
• Administered moves, adds, and changes for Cisco Unified Communications Manager and Cisco Unity Connection.

TECHNICAL SKILLS:

Operating systems: Red Hat Linux (RHEL 5/6/7), CentOS, Oracle Enterprise Linux, Ubuntu, IBM AIX (6.1/5.3), Sun Solaris, 9/10, HP-UX

Server hardware: Sun Fire … IBM/HP/DELL Blade Server r710

Storage Hardware: SAN /NASNet App Filers, Brocade silk worm 3200, iSCSI/ FC Storage arrays, RAID Storage arrays.

Networking Services: NIS, NFS, AutoFS, DNS, SSH and Send mail.

Ticketing Tools: HP Service Manager, Remedy, Service Centre and OPAS.

PROFESSIONAL EXPERIENCE:

Confidential, Seattle, WA

System admin

Responsibilities:

• Installing, tuning, troubleshooting and patching of Red Hat Enterprise Linux servers.
• Installation, configuration, and maintenance of web servers, application servers, and database servers on Linux Servers.
• Implemented Bash, Perl, Python Scripting.
• Scheduled various regular, periodic, future and queue tasks by using crontab.
• Processes administration and management like monitoring, start/stop/kill various processes/sub processes.
• Write Ansible playbooks to automate server provisioning, configuration management, and application deployment.
• Experience in setting up the chef repo, chef work stations, chef nodes, Hadoop and saltstack.
• Used Ansible server and workstation to manage and configure nodes.
• Developed automation scripting in Python (core) using Ansible to deploy and manage Java.
• Created and updated Ansible playbooks and files, and packages stored in the GIT repository.
• Connected continuous integration system with GIT version control repository and continually build as the check-in's come from the developer.
• Build and deploy virtual machines using Microsoft Client Hyper-V and Oracle VM Virtual Box.
• Managed windows updates for both servers and workstations via WSUS & GPOs.
• Involved in Bash shell scripting for doing manipulations of the flat files, given by the clients.
• Installation, configuration of Veritas Volume Manager and file systems.
• Deployment of VMware VMotion, VCenter Converter to migrate virtual workloads.
• HP-UX System Administration support.
• Installation and configuration of Windows including Active Directory Services, IIS, DHCP on several Dell and HP servers.
• Monitor system performance parameters using iostat, vmstat, and fine-tuning.
• Installation, configuration and support of DHCP, SSH, SCP, FTP services.
• Installing Blade Logic agent and registering servers to Blade Logic server and run the Blade Logic jobs for patching, compliance, audit and remediation.
• Kernel OS patching, installation and troubleshooting third party tools like Net backup client, EMC power path, Scom tool, NetIQ software.
• Install new UNIX (Redhat Linux, AIX, HP-UX) Systems using Kickstart Server/ NIM/ Ignite-UX server.
• Provisioned and build CHP (compute host platform) Red hat Linux 6.1 virtual machines, these servers-based cloud computing.
• Performed for SCCM client remediation on client and server OS for security updates and to maintain PCI compliance in retail
• Packaged applications for SCCM distribution to clients / servers including Citrix servers
• Provide reporting from SCCM for inventory, software metering, and update compliance
• Implemented Shavlik Protect patching solution for all application servers
• Migrated Systems from Lumension patching to Shavlik Protect
• Performed NIC bonding to data redundancy.
• Monitoring running stacks including events & resources on Openstack Cloud.
• Knowledge in Implementation of horizontal auto-scaling use cases using Open stack components - Heat, Ceilometer, Lbaas.
• Automated Build and deployment to Wildly server using Jenkins and Rundeck.
• Utilized Amazon Web Service (AWS) including EC2 in order to maintain, configure, and install/scale servers and systems in the Amazon Cloud - Datapipe Managed AWS.
• Installed and configured application like NFS under VCS control for HA capability
• Expanded file system using Logical Volume Manager.
• File System Management on Sun Solaris & Linux environments
• EMC disk configuration for Web, Application and Database servers
• Performance Tuning and Troubleshooting Web/Application/Database Servers
• Planned, scheduled and Implemented OS patches on both Solaris & Linux boxes as a part of proactive maintenance.
• Providing technical support to the customers on all Unix server related issues within the SLA
• Automated server backups on a monthly, weekly and daily basis using Shell Scripts
• Writing shell scripts for automation of log activity of application process and CRON jobs.
• Creating and maintaining user accounts, profiles, and security rights.
• Monitored daily backups and maintained offsite backup for recovery in case of a system crash.
• Resolved system errors and crashes, disk space problems, huge file sizes, and file system full errors.
• Documented various regular administrative tasks and backup procedures.

Confidential, Santa Clara, CA.

LINUX/UNIX Administrator

Responsibilities:

• Installation and configuration of Operating System such as Sun Solaris, Linux, AIX.
• Configuring and Administrating NFS client/server.
• Configuring and Administrating Telnet and FTP.
• Viewing and controlling the Processes running on the system and automating repetitive tasks.
• User Administration by creating, maintaining User’s accounts and groups, setting up User environments.
• Installation and configuration of Windows including Active Directory Services, IIS, DHCP on several Dell and HP servers.
• Installation and configuration of VMware Vcenter Configuration Manager
• System efficiency and Performance monitoring, Disk and Network usage.
• Formatting and partitioning of hard disk.
• Mounting file system and Administrating.
• Implemented Native Mode in SCCM for sites that will support IBCM
• Migrated APAC retail from Altiris to SCCM
• Upgraded IE 11 globally with minimal issues
• Upgraded 4 SCCM primary servers from Windows 2003 R2 to Windows 2008 R2
• Maintaining file systems, Checking and repairing file systems and monitoring file system usage.
• Implementing various security tools like SETUID, SETGID and STICKY BIT on file system for providing secure access
• Implementation & Managing of RAID levels like RAID 0, RAID 1, RAID 5 using Solaris Volume Manager
• Carrying out Solaris Zones and Administration.
• Troubleshooting NFS related issue.
• Configuring and administrating of Swap space.
• Device configuration and administration.
• Troubleshooting boot related problems.
• Implemented a Continuous Delivery framework using Jenkins, Ansible, Maven & Nexus in Linux environment.
• Automated daily tasks using Shell and Ansible.
• Automated OS builds and Application Installation through Ansible
• Using Maven, Ansible Scripts with Gradle to build the application and deploy.
• Administrating software Package like adding, deleting of software packages in Solaris.
• Adding software patches in Solaris.
• Root password recover for in the UNIX servers.
• Configuring FTP, Telnet and SSH services on the machine
• Network concepts like configuring the hosts with name and IP, Enabling IP
• User account administration and management.
• Networking - NFS, Telnet, FTP, ifconfig.
• Monitoring the critical servers.
• NFS, DNS and DHCP servers.

Confidential, West Sacramento,CA.

System Administrator

Responsibilities:

• Working as a System administration, maintenance and monitoring various day-to-day crontab.
• Installing and upgradation of Packages and patches according to the requirement.
• Installation, configuring, modifying & Managing DNS Servers.
• Windows Server (2003/2008/2012 ) Installations, Configuration, Migrations and design Planning
• Perform Active Directory administration of Users, Groups, and DNS.
• Application Migrations which include Environment setup, Compatibility Testing and Installation.
• Mapping shared drives as needed to user Laptop and Desktop for future Access
• Handling support tickets from L1 to L3 from user creation, giving permissions, creating groups & managing ACLs to monthly CR created by business.
• Analyze and resolve conflicts related to merging of source code for SVN and Git.
• Installed, administered and managed Red Hat Linux, SLES, Solaris, HP-UX and AIX servers.
• Exporting a file system for systems, NFS Server/Client.
• Configuring YUM Server and installing packages by using rpm and YUM.
• Configuration and troubleshooting SSH and providing user level and system level trusting.
• Changing file permissions as per the client request.
• Handling hardware related issues like fault detection and disk replacement.
• File system managing and trouble shooting.
• Monitoring and analyzing using log files.
• Security implementation through ACL and SUDO.
• Security implementations as setuid, setgid, sticky bit
• Resolving booting problems.
• DNS & NTP configuration & administration.
• Taking Backup and Restoring Ignite Images on the HP Servers.
• Managing upgrade of Linux servers.
• Taking backups using tar, bzip2, gzip, zip.
• Process administration and management like monitoring, start/stop/kill various processes.

Confidential

Linux/Unix System Administrator

Responsibilities:

• Installing and configuring SUN Solaris 10 on Sun Servers using jumpstart and Red Hat Linux 5.x using kick start installation.
• Used Golden Gate with unidirectional setup for Replicating SQL Server New Homeowner Data to

  Oracle RAC

• Use Blade Logic Configuration Manager to upgrade Solaris and Linux operating Systems as well as update firmware, HBA, EMC power and Bank tools through Blade logic.
• Written NSH script in Blade logic to create Fair image and Tar file backups for Solaris and Linux Servers.
• Developed Cron jobs and Shell Scripts (Perl, Python) for automating administration tasks like file system management, process management, Server reboots etc.
• Performed patching and OS upgrades (rebuilds) and associate hardware break/fix, triage and software Installations related to the patching and OS upgrade activities.
• Developed Perl, Shell Scripts to take back up of entire applications Environment in web Sphere (WAS 7.0) before making changes in date roll in Oracle db 11G.
• Oracle Database architectures including Real Application Clusters (RAC), Data Guard and Golden Gate deployments
• Provide supports for (SAP, Web Sphere, ERP Lawson, Demantra, Oracle, Db2, TWS),
• Provisioned and build CHP (compute host platform) Red hat Linux 6.1 virtual machines, these servers-based cloud computing.
• Curved out NFS volumes from NetApp Storage Manager and mounted those volumes on to virtual machines by adding storage NIC.
• Plan and administer NetApp Storages capacity by adding disk arrays, cabling, aggregates reconfiguration and reallocation LUN's.
• Configured LAMP Stack on Unix/Linux servers.
• Negotiated and delivered first large quantity of IPTV terminals for the company to major overseas customer.
• Installed, configured, and maintained application servers Oracle WebLogic 11g/12c, Tomcat, and Web Servers Oracle HTTP Server (OHS), WebSphere, IIS.
• Creating modifying and maintaining file system on Redhat and Solaris servers.
• Creating root disk mirroring using zfs file system on Solaris servers
• Creating root file system mirroring on Solaris servers
• Configuring NFS on Solaris and Linux(Redhat) servers
• Updating patches /kernel on Solaris /Linux servers to avoid vulnerabilities
• Installing / Configuring Storix backup software in Linux servers
• Building Oracle RAC cluster nodes in Linux
• Installing VERITAS volume manager on Solaris servers
• Creating vxfs file system on Solaris and Linux servers.
• Installed and configured Solaris 10 servers with Zones and containers on SUN M5000 and T2000 Servers with SUN ZFS.
• Provide support to development team, setting up and configuring Apache-PHP, Tomcat, MySQL, Send-mail, and wide range of open source solutions.
• Installed Mysql, SAP Dataservices3.2, 4.1, PHP, Java and Websphere.
• Administration and configuration of Amazon AWS cloud systems, LAMP based Ubuntu servers with Drupal 7.x CMS systems. Drupal Installs, core module upgrades, security upgrades.
• Install, maintain and upgrade Drupal and Word press on LAMP stack.
• Managed Code versions on via AWS, Github, bit bucket and other methods.
• Support the BBG on-line cloud storage services on Amazon AWS by virtual creation of servers such as Linux (Ubuntu and Redhat), Windows
• Gained experience working with VSphere, VMWare, VMWare Orchestrator, working with templates and ISO Linux configurations.
• Experience working with Solaris Zones/Containers and new features of Solaris 10, zone reconfiguration and file system layout modification of the containers supporting the Sybase and Oracle database.
• Installed and upgrade HBA Drivers, Firmware, Power Path and SAN Agents like NAVIAGENT, NAVICLI and NAVISCLI for EMC SAN storage.
• Experience in configuration of Brocade Switches
• Exposure on firmware upgradations of Brocade Switches.
• Experience in performing Brocade Zoning and Trunking.
• Worked and performed data-center operations including rack mounting, cabling.