SUMMARY

• Around 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 withOpenstackServices 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, andtcpdump. Use of network monitoring tools including CiscoWorks and Wire shark/Ethereal.
• Good sound knowledge in analyzing the traffic packets using snoop on Solaris and TCPdumpon 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, networkedAIXbased 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 scriptingusing 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 onESXplatform and VMware client, workstation.
• Excellent knowledge and understanding of MPLSVPNfor 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 GitVersioncontrol.
• Configuring High Availability (HA) and Distributed Resource Scheduler (DRS) Creation of template
• Setup and configured network TCP/IP onAIXincluding 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 inHP-UXsystem 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 forversioncontroland 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 HatLinux(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, West Sacramento

LINUX/UNIX Administrator

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.
• WriteAnsibleplaybooks to automate server provisioning, configuration management, and application deployment.
• Experience in setting up the chef repo, chef work stations, chef nodes, Hadoop and saltstack.
• UsedAnsibleserver and workstation to manage and configure nodes.
• Developed automation scripting in Python (core) usingAnsibleto deploy and manage Java.
• Created and updatedAnsibleplaybooks 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 usingMicrosoftClientHyper-Vand Oracle VM Virtual Box.
• Managed windows updates for both servers and workstations via WSUS & GPOs.
• Involved in Bashshell scriptingfor doing manipulations of the flat files, given by the clients.
• Installation, configuration of Veritas Volume Manager and file systems.
• Deployment of VMware VMotion,VCenterConverter to migrate virtual workloads.
• HP-UXSystem 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-UXserver.
• Provisioned and build CHP (compute host platform) Red hat Linux 6.1 virtual machines, these servers-based cloud computing.
• Performed forSCCMclient remediation on client and server OS for security updates and to maintain PCI compliance in retail
• Packaged applications forSCCMdistribution to clients / servers including Citrix servers
• Provide reporting fromSCCMfor inventory, software metering, and update compliance
• ImplementedShavlikProtect patching solution for all application servers
• Migrated Systems from Lumension patching toShavlikProtect
• Performed NIC bonding to data redundancy.
• Monitoring running stacks including events & resources on Openstack Cloud.
• Knowledge in Implementation of horizontal auto-scaling use cases usingOpen stack components - Heat, Ceilometer, Lbaas.
• Automated Build and deployment to Wildly server using Jenkins andRundeck.
• 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 underVCScontrol forHAcapability
• Expanded file system using Logical Volume Manager.
• FileSystemManagement on SunSolaris& 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 bothSolaris& 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

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 VMwareVcenterConfiguration Manager
• System efficiency and Performance monitoring, Disk and Network usage.
• Formatting and partitioning of hard disk.
• Mounting file system and Administrating.
• Implemented Native Mode inSCCMfor sites that will support IBCM
• Migrated APAC retail from Altiris toSCCM
• Upgraded IE 11 globally with minimal issues
• Upgraded 4SCCMprimary 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 andAnsible.
• Automated OS builds and Application Installation throughAnsible
• Using Maven,AnsibleScripts 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

LINUX/UNIX 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 andAIXservers.
• 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 theHPServers.
• Managing upgrade of Linux servers.
• Taking backups using tar, bzip2, gzip, zip.
• Process administration and management like monitoring, start/stop/kill various processes.