SUMMARY:

• Over 8 years of experience specialized in System Administration working on Redhat Linux, Suse Linux, AIX, Cent OS, OEL and Windows environments.
• Good Experience with Linux Servers builds and Automation of server builds
• Knowledge of Dell servers and IBM P - Series.
• Experience in administering & Linux. Experience in Installation, Configuration, Backup, Recovery, Maintenance, Support of Sun & Linux.
• Experience in Installing, upgrading and configuring RedHat Linux 3.x, 4.x, 5.x using Kickstart Servers and Interactive Installation.
• Knowledge in Maven and Ant.
• Knowledge of version control software's GIT and SVN. knowledge in Unix, RDBMS Concepts, Oracle Database, SQL and PL/SQL
• Experience in Installing, upgrading and configuring SUN 2.6, 7, 8, 9 and 10 on Sun Servers using Jumpstart Servers, Flash Archives and Interactive Installation.
• Experience in installing, configuring and implementing the RAID technologies using various tools like VxVM and volume manager.
• Experience in Creation and managing user accounts, security, rights, disk space and process monitoring in and Redhat Linux.
• Installation and upgradation of Packages and Patches configuration mgmt, version control, service pack. & reviewing connectivity issue regarding security problem.
• Experience in configuration of NIS, NIS+, DNS, DHCP, NFS, LDAP, SAMBA, SQUID, postfix, sendmail, ftp, remote access, security management and Security trouble shooting skills.
• Experience on Webservers such as iPlanet Webserver 6.0 /Sun one web server 6.3, 6.5, Tomcat 3.x, 4.x, 5.x & Apache Server 1.x,2.x and integrating them with Weblogic 10.x servers.
• Worked with Database administrators to tune kernel for Oracle installations.
• Experience with Veritas Volume Manager (VxVM), Veritas File System (VxFS), Veritas Net Backup, Veritas Clustering with SAN, NAS environment.
• Experience in administering VMware Infrastructure Client 3.5 and Vsphere 4.0.
• Experience in Installation of Oracle and MYSQL.
• Experience writing shell scripts to automate the administrative tasks and management using cron and at.
• Expertise in scripting for automation, and monitoring using Shell, PHP, Python & Perl scripts.
• Experience Sun 10(Creation of Zones, Service Management Facilities, Virtualization, Container).
• Experience working in SAN environment like EMC Symmetrix DMX3, DMX4 and Clariion CX3 series arrays.
• Creating Linux Virtual Machines using VMware Virtual Center and AIX LPARs on P550 and P570.
• Exposure to CI tools like Jenkins, Bamboo, Cruise Control.
• Experience in Installing Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.
• Good understanding of F5’s Big IP hardware to load balance web and middle-tier servers.

TECHNICAL SKILLS:

Operating Systems: RHEL 3/4/5/6, Ubuntu, Release 2.10/2.9/2.8/2.7, IBM-AIX 5.X, Windows 98, Windows 2000 and NT.

Hardware: HP Proliant, Blade servers, Sun Servers E450, E3500, E4500, E5000, E6500, E10k, E15k, E25k, Sun Ultra s, V210, V280, V490, V880, V6800 SUN Ray (1g Ultra Thin Client) SUN Desktops (SPARC 10, 5), DMX3 and DMX4 Storage Arrays, F5.

Software: Veritas Volume Manager 3.5/4/5, Veritas File System, Veritas Cluster Server 3.5, Veritas Netbackup 6.0, MS-Office/MS-Project.

Web/ Application Server: Tomcat, Apache DB2, SQL, Oracle.

Network Protocols: DHCP, DIG, DNS, SNMP, SMTP, Ethernet, IOS, netstat, NFS, NIS, nslookup, RIP, OSPF, BGP, TCP/IP, and tcpdump..

Cluster Environment: Sun Cluster Servers 2.2, 3.1, 3.2 and VERITAS Cluster Servers 4.1.

Programming Languages: C, SQL, HTML, PHP, XML, Perl and Shell Programming, JSP, Python

PROFESSIONAL EXPERIENCE:

Confidential,Charlotte,North Carolina

Linux Admin

Responsibilities:

• Hands on experience with installing and configuring Ansible.
• Working on tools like Filer view and Netapp system manager.
• Installation and troubleshooting on VMware 5.5 running Linux (Redhat 3/4/5/6) .
• Experienced in Virtualization on Zones and VMware ESX Server environments.
• Experience in administration of enterprise applications with emphasis on IBM WebSphere Application Server 3.5/4.0/5.0, IBM HTTP Web Server Workload Management (WLM) in AIX, Sun, IBM Devops, RED HAT Linux and Windows NT/2000/XP environment.
• Installation, configuration, administration of 9, 10 on SPARC based servers using Jumpstart.
• Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 3.5 and migrating servers between ESX hosts.
• Experience on Integration of logs and events sources (systems, network devices and applications) with SIEM tool.
• Administration of RHEL and AS 4, 5, 6 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual server issues.
• Implemented automated Backup management solution through Shell scripting (Linux environment - SSH & RSYNC)
• Hands on experience in troubleshooting with hardware and software support resources locally and remote to diagnose issues .
• Installation of various different flavours of Linux operating system like redhat, fedora, centos, ubuntu.
• Hands on experience with EMC VNX and Brocade fiber switches.
• Worked on Fiber networks and cabling.
• Good understanding of architecture and administration of Distributed File Systems for handling BIG DATA
• Automating configuration management using SaltStack.
• Worked as AIX administrations and providing maintenance support to multiple IBM machines p5-520, p5-550, p5-570, p5-595, p7 750s and 770s running AIX 5.3/6.1/7.1.
• Disk Replacement Strategy on AIX.
• Integrate log and event sources (systems, network devices and applications) with SIEM tool.
• Hands on experience in deployment, administration, and operational support of Linux systems
• Hands on experience with installation of SVN client tools in linux machines.
• Experience in Solaris Volume Manager (SVM).
• Using On command Management tool for managing the NetApp resources.
• Hands on experience with AS/400, RISC and Windows servers
• Experience with F5 load balancers and Cisco load balancers (CSS and ACE)
• Installing RedHat Linux using kickstart and applying security polices for hardening the server based on the company policies.
• Experience with F5 load balancer configurations, including migrating configurations and general troubleshooting of the F5 load balancers
• Administration, package installation, configuration of Oracle Enterprise Linux 5.4.
• Hands on experience in Scripting languages (e.g. shell, bash, perl)
• Good experience with GITHUB.
• RPM and YUM package installations, patch and other server management.
• Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
• Worked on Openstack (Havana) which includes installation, configuration, administration of Virtual Machines, creating security groups, tenants, adding resources.
• Worked and performed data-center operations including rack mounting, cabling.
• Installation of 9, 10 on Sun Fire and Enterprise server using Jumpstart, custom configuration like installing packages, configuring services.
• Worked on 10 container technology, created local and global zones, modified local zone parameters, created file systems on local and global zones.
• Creating Zones, containers, LDOMs on servers, creating zpools, ZFS file system installing Oracle, Java based applications on them.
• Tech, non-tech refresh of Linux servers including new hardware, OS upgrade, application installation.
• Experience with technology incidents, coordinating/running a bridge call, and bringing the correct resources.
• Hands on experience in SQL tuning and Re-writing SQLs
• Worked on Networking concepts, IETF standards.
• Installing, configuring Redhat servers via Cobbler, automating scripts, tasks using Cobbler.
• Installation, configuration of MySQL 5.1 which includes creating database tables, updating table entries.
• Creating profiles, manifests for new servers, and pushing them to servers using puppet.
• Creating policies, jobs in HP Opsware, deploying them on linux, windows, servers.
• Working on Volume management, Disk Management, software RAID solutions using VERITAS Volume manager & Volume Manager. File system Tuning and growing using VERITAS File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.
• Set up user and group login ID's, printing parameters, network configuration, password, resolving permissions issues, user and group quota.
• Worked on KVM, installing, Devops environment, configuring Linux VMs.
• Installing, configuring Jboss 4.3 on Linux, Unix servers, integrating it with Apache server.
• Configuring multipath, adding SAN and creating physical volumes, volume groups, logical volumes.
• Experience in open stack and puppet configuration tool.
• Gathering requirements from customers and business partners and design, implement and provide solutions in building the environment.
• Installing and configuring Apache and supporting them on Linux production servers.
• Worked on E-commerce based application products related to internet marketing, credit card transactions, inventory management.
• Troubleshooting Linux network, security related issues, capturing packets using tools such as IPtables, firewall, TCP wrappers, NMAP.
• Preparing servers for Oracle RAC installation which includes tuning the kernel, agent installation, adding NAS storage on 2,3, 4 node clusters.
• Designing Firewall rules for new servers to enable communication with application, Oracle 10g servers.
• Monitored server and application performance & tuning via various stat commands (vmstat, nfsstat, iostat etc) and tuned I/O, memory, etc.
• Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
• Installation and configuration of VxVM 5.0 and creating disk groups, volumes, increasing volumes.
• Coordinated with the Storage, Network and Hardware teams on server provisions (HP Proliant DL385/585 G5, G6 servers, and HP BL 465C G5 blade centers).
• Installing, configuring Weblogic 10.3, Apache and integrating them.
• Experienced in Troubleshooting critical hardware and software issues and day-to-day user trouble tickets.
• Adding servers to the domain and monitoring them using spectrum, sitescope, cacti.
• Developed automated processes that run daily to check disk usage and perform clean up of file systems on UNIX environments using shell scripting and CRON.

Environment: Red-Hat Linux Enterprise servers (HP Proliant DL 585, BL 465/485,ML Series, SAN(Netapp), BladeLogic, Veritas Cluster Server 5.0, Windows 2003 server, Shell programming, Jboss 4.2, JDK 1.5,1.6,, VMware Virtual Client 3.5, RHEL 5.x, VMware Insfrastructure 3.5.

Confidential,Rochester,NY

Unix/Linux Administrator

Responsibilities:

• Hands on experience in Incident Management.
• Applied appropriate support packages/patches to maintain system integrity.
• Performed capacity analysis, monitored and controlled disk space usage on systems.
• Monitored system activities and fine tuned system parameters and configurations to optimize performance and ensure security of systems.
• Pushing files, updates using CFEngine.
• Create and maintain watch lists and threat feeds to SIEM.
• Hands on experience on Python and Shell scripting.
• Adding servers to domain and managing the groups and user in AD, installing and configuring sendmail.
• Installation and administration of RHEL 4, 5., 6.2 and Cent OS 5.
• Configured kickstart server and updating/applying patches to the servers using Redhat Satellite server.
• Remote system administration using tools like SSH, Telnet, and Rlogin.
• Planning and implementing system upgrades including hardware, operating system and periodical patches.
• Managed installation, configuration, upgrades, and patch systems running OS such as Redhat and Centos.
• Wrote programs in UNIX / Linux shell scripting (ie: Korn, Bourne or Bash).
• Custom build of Windows 2003 and Windows 2008 servers which includes adding users, SAN, network configuration, installing application related packages, managing services.
• Creating profiles, manifests for new servers, and pushing them to servers using puppet.
• Responsible for maintenance of development tools, utilities and to maintain shell, Perl automation scripts.
• Installed, configured AIX 5.3, 6.1 on IBM p,x series servers using NIM, creating LPARs using HMC on p series servers.
• Creating virtual machines using Xen and deploying OS, managing hardware.
• Creating, installing, Weblogic Application servers, deploying WAR, JAR files on them installed on both Linux, servers.
• Installing, configuring Jboss 4.3 on Linux, Unix servers, integrating it with Apache server.
• Worked with project manager and auditing teams to implement PCI, SOX compliance.
• Jumpstarting 9, 10 on Sun servers, configuring servers. Configured/Maintained Zones, LDOMs, ZFS filesystem Sun 10 Servers.
• Monitoring of various services using Service Management Facility and Service Administration.
• Installing, configuring Veritas Netbackup 6.5 on linux, servers, creating backup polices.
• Designing Firewall rules for new servers to enable communication with application, Oracle 10g servers.
• Working on Volume management, Disk Management, software RAID solutions using VERITAS Volume manager. File system Tuning and growing using VERITAS File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.
• Worked on resolving production issues and documenting Root Cause Analysis and updating the tickets using BMC Remedy.
• Fine tuning of Servers and configuring networks for optimum performance.
• Organized various meetings with teams as mentioned above for tracking their requirements as inputs to get this done and designed the plan/steps involved and took user approvals.
• Setting up network environments using TCP/IP, NIS, NFS, DNS, SNMP agents, DHCP and Proxy.
• Installation, maintenance and administration of Oracle and Db2 Server on Sun Servers.
• Set up user and group login ID's, printing parameters, network configuration, password, resolving permissions issues, user and group quota.

Environment: 2.9 / 2.10, Red Hat Linux AS/EL 4.0, AIX 5.2, 5.3, Sun E10k, E25K, E4500, SunFire V440/880, DMX 3 & DMX4, Siteminder, SonicMQ 7.0, VxFS 4.1, VxVM 4.1, SVM.

Confidential,Scotts valley,CA

Systems Administrator

Responsibilities:

• Installation and configuring of SUN and Linux servers.
• Involved in Building and configuring 8/9/10 using Jump start server and Red Hat Linux Servers using KickStart server as required for the project. Maintained maximum uptime and maximum performance capacity for Enterprise Production, QA, and UAT/Staging.
• Incident management for Unix Servers (, Linux).
• Administration of Filers using NetApp CLI and GUI.
• Installed and configured 10 servers with Zones and containers with Sun ZFS.
• Primary responsibility includes building and supporting / Redhat Linux 3,4 servers.
• Monitoring CPU, memory, iSCSI disks, disk controllers, physical disk, HW and SW RAID, multipath, file systems, network using the tools NAGIOS and BMC Tools.
• Extensive experience in installing, integrating, tuning and troubleshooting Apache, Tomcat, WebSphere and Weblogic application server.
• Implemented SUDO, SSH, security tools and implemented SOX (Sarbanes Oxley) security compliance.
• Assisted in configuring the application servers with other components such as database, web servers, LDAP directory, Active Directory, BEA Web logic etc.
• Extensive use of Veritas Volume Manager for Disk management, file system management on Sun environment.
• Created Zetabyte file system (ZFS) in 10. Created zpools. Exported ZFS from local zones to local zones.
• Managing Filers through putty NetApp CLI, NetApp Management Console and OnCommand Management tool.
• Installation and configuration Veritas NetBackup on Sun Severs and Backup using Veritas Net Backup.
• Extensive use of Korn shell, Bash for scripting.
• Expertise in Linux backup/restore with tar including disk partitioning and formatting.
• Involved in Planning, building and Administration of various High Availability clusters and heart beat checking on Sun using VCS in heterogeneous SAN environment.
• Regular disk management like adding / replacing hot swappable drives on existing servers/workstations, partitioning according to requirements, creating new file systems or growing existing one over the hard drives and managing file systems.
• Planned, scheduled and Implemented OS patches on both & Linux boxes as part maintenance.
• Worked with IT teams, users and other managers in helping build and implement systems and standards.
• Involved in migration of projects from one flavor to another one.
• Involved in development, user acceptance, and performance testing, production & disaster recovery server.

Environment: 8/9/10, Red Hat Linux 4/5, BMC Tools, NAGIOS, Veritas NetBackup, Korn Shell, Bash Scripting, Veritas Volume Manager, web servers, LDAP directory, Active Directory, BEA Web logic servers,SAN Switches, Apache, Tomcat WebSphere, Weblogic application server.