SUMMARY

• Over 8 years of experience specialized in System Administration working on Redhat Linux, Oracle Enterprise Linux, Solaris, SUSE Linux, AIX, Cent OS, HP - UX 10.2x, 11.3x and Windows environments.
• Experience in administering, Installation, Configuration, Backup, Recovery, Maintenance, Support of Sun Solaris & Linux.
• Experience in Installing, upgrading and configuring RedHat Linux 4.x, 5.x, 6.x using Kickstart Servers and Interactive Installation.
• Experience in Installing, upgrading and configuring SUN Solaris 2.6, 7, 8, 9, 10, 11 on Sun Servers using Jumpstart Servers, Flash Archives and Interactive Installation.
• Experience in working with IIS 8.7 installation, configuration and migrating information.
• Worked with Database administrators to tune kernel for Oracle installations.
• Experience with Veritas Volume Manager (VxVM), Veritas File System (VxFS), HP MC Service Guard, Veritas Net Backup, Veritas Clustering with SAN, NAS environment.
• Experience in installing, configuring and implementing the RAID technologies using various tools like LVM, VxVM and Solaris volume manager.
• Experience in Creation and managing user accounts, security, rights, disk space and process monitoring in Solaris 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 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.
• Experience in administering VMware Infrastructure Client 3.5 and Vsphere 4.0.
• Experience in Installation of Oracle and MYSQL.
• Experience in working with Oracle R12 (EBusiness)
• Experience as a lead Linux engineer in developing and testing the system recovery plans.
• Experience in writing shell scripts to automate the administrative tasks and management using cron and at.
• Installing, configuring, and maintaining a cloud computing environment using Red Hat Enterprise Linux OpenStack Platform.
• Configuring the Red Hat Ceph Storage as a back end for Red Hat Enterprise Linux OpenStack Platform.
• Experience in working with Informix and 4GL.
• Experience in working with rapid development and interactive development capabilities.
• Expertise in scripting for automation, and monitoring using Shell, PHP, Python & Perl scripts.
• Team player with good management, analytical, communication and interpersonal skills.
• Experience in Installing Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.
• Experience in Sun Solaris 10(Creation of Zones, Service Management Facilities, Virtualization, Container based.
• Experience in working with Sun Solaris 11( managing, administrating and implementing system software)
• Experience working in SAN environment like EMC Symmetrix DMX3, DMX4 and Clariion CX3 series arrays.
• Experience in managing 24/7 application delivery environment.
• Installation and configuration of Jboss, Web Sphere 5.1/6.0 Application Server on Solaris and Linux boxes.

TECHNICAL SKILLS

Operating Systems: RHEL 3/4/5/6, Solaris Release 2.10/2.9/2.8/2.7 , IBM-AIX 5.X, HP-UX, 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, HP 9000, HP Net Server L series.

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

Web/ Application Server: Tomcat, Apache DB2, Oracle, OracleR12, java.

Network Protocols: DHCP, DIG, DNS, SNMP, SMTP, Ethernet, IOS, netstat, NFS, NIS, LDAP, BIND, 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, Virginia Beach, VA

Unix/Linux Administrator

Responsibilities:

• Administration of RHEL and AS 4, 5, 6 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual server issues.
• Worked with Oracle R12 ( supply chain management).
• Creating and scheduling methods with oracle R12.
• Installation of Solaris 11 and implementing operating system zones using oracle Solaris Zones.
• Installation, configuration, administration of Solaris 9, 10 on SPARC based servers using Jumpstart.
• Creating, cloning Linux Virtual Machines, templates using VMware Vsphere 4.0 and migrating servers between ESX hosts.
• Installing RedHat Linux using kickstart and applying security polices for hardening the server based on the company policies.
• Installing and upgradingHPUXon HP PA-RISC and Itanium Servers 5 on HP DL 380 G3, 4 and 5 & Dell Power Edge servers.
• Experience in working with puppet, centralizing and automating configuration management.
• RPM and YUM package installations, patch and other server management.
• Experience in performing the intermediate to advanced skills to design and develop Informix database applications.
• Experience in working with high performance production environment
• Leveraging existing 4GL code to web services for applications written in other programming languages.
• Experience in working with python scripting.
• Design, build, and maintain efficient, and reliable python code.
• Maintaining code quality, organization and automation.
• 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 and performed data-center operations including rack mounting, cabling.
• Worked on HP-UX servers in an MC Service Guard high availability cluster.
• Experience working with HP LVM, creating physical, volume groups, logical volumes both physical and SAN disks.
• Worked on Openstack (Havana), installing, configuring VMs, installing Tomcat, MySQL, Apache servers and integrating them.
• Installation and deployment of a Red Hat Network Satellite Server 5.4.1.
• Installed and configured GNUPG to encrypt file and ftp to remote ftp server.
• Decommissioning of the old servers and keeping track or decommissioned and new servers using inventory list.
• Troubleshoot various systems problems such as application related issues, network related issues, hardware related issues etc.
• Provision operation system in Logical Domain Manager (LDOM) v 1.2 and provisioning resources to the logical domains.
• Creating policies, jobs in HP Opsware, deploying them on Linux, windows, and Solaris servers.
• Working on Volume management, Disk Management, software RAID solutions using VERITAS Volume manager & Solaris 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.
• Configuring multipath, adding SAN and creating physical volumes, volume groups, logical volumes.
• 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.
• 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.
• Adding servers to the domain and monitoring them using spectrum, site scope, and cacti.
• Administered SMTP and DNS infrastructure ( Sendmail 8.14 and BIND SPLIT DNS version 9.6.1)

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

Confidential, Orlando, FL

Linux/Unix Administrator

Responsibilities:

• Installation and administration of RHEL 4.0/5.0/6.0 and Cent OS 5.
• Installation, configuration, administration of Solaris9, 10 on SPARC based servers using Jumpstart, worked on T. M series servers.
• Experience in working with oracle R12. Creating shop floor transactions, creating discrete jobs.
• 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 patch upgrades.
• 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.
• Adding servers to domain and managing the groups and user in AD, installing and configuring sendmail.
• Using python experience in working with architectural patterns.
• Identifying bottlenecks and bugs, and devise solutions to these problems.
• Proficient understanding of code versioning tools (GIT).
• Creating profiles manifests for new servers, and pushing them to servers using puppet.
• Responsible for maintenance of development tools and utilities and to maintain shell, Perl automation scripts.
• 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, Solaris servers.
• Checking the quality, security and performance of the customer’s applications.
• Using command line tools to diagnose network issues and message queue problems.
• Maintaining a commitment to providing the best experience possible for red hat customers using Open stack.
• Worked with project manager and auditing teams to implement PCI, SOX compliance.
• Jumpstarting Solaris 9, 10 on Sun servers, configuring servers. Configured/Maintained Zones, LDOMs, ZFS file system Sun Solaris 10 Servers.
• Management and monitoring of various services using Service Management Facility and Service Administration.
• Installing, configuring Veritas Netbackup 6.5 on Linux, Solaris servers, and creating backup polices.
• Working on Volume management, Disk Management, software RAID solutions using VERITAS Volume manager & Solaris 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: Solaris 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, Hackensack NJ

Systems Administrator

Responsibilities:

• Installation and configuring of SUN Solaris and Linux servers.
• Involved in Building and configuring Solaris 8/9/10 using Jumpstart server and Red Hat Linux Servers using Kick Start 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 (Solaris, Linux).
• Installed and configured Solaris 10 servers with Zones and containers with Sun ZFS.
• Primary responsibility includes building and supporting Solaris/ 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 and other 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 Solaris environment.
• Created Zeta byte file system (ZFS) in Solaris 10. Created zpools. Exported ZFS from local zones to local zones.
• Installation and configuration Veritas NetBackup on Sun Severs and performing 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 Solaris 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 Solaris & Linux boxes as a part of proactive maintenance.
• Responsible for maintenance of development tools and utilities and to maintain shell, Perl automation Scripts.
• Worked with other IT teams, customers (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: Solaris 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, AN Switches, Apache, Tomcat WebSphere, Weblogic application server.

Confidential, Beaverton OR

Unix Administrator

Responsibilities:

• Installation and administration of RHEL 4.0/5.0 and SUSE 10.x.
• 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 patch upgrades.
• Installation, configuration and administration of VMware, Solaris Zones, Containers and Ldoms.
• Automation of jobs through crontab and autosys.
• Monitoring and troubleshooting the system performance as a lead linux admin
• Installing, configuring and documenting new servers and applications .
• Installation of packages, patch management, volume management on Suse servers using YaST.
• 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.
• Adding servers to domain and managing the groups and user in AD, installing and configuring sendmail.
• Responsible for maintenance of development tools and utilities and to maintain shell, Perl automation Scripts.
• Expertise in VMware vSphere 3/4/5 version ESXi and vCenter operations Management.
• Worked with project manager and auditing teams to implement PCI compliance.
• Integrating Weblogic 10.x and Apache 2.x and deploying EAR, WAR files in Weblogic Application servers.
• Installed, configured, cloned VMs on VMware 5, Vsphere 4.0, configured ESX hosts, adding data stores to ESX hosts, creating vswitches, templates, migrating VMs across ESX hosts.
• 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 & Solaris Volume Manager. File system Tuning and growing using VERITAS File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.
• 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, and user and group quota.
• As a member of the team, monitored the VERITAS Cluster Server 4.1 in SAN Environment.

Environment: SUN Servers (6500, 4500, 420, Ultra 2 Servers), Solaris 2.6/2.7/8, Veritas NetBackup, Veritas Volume Manager, Samba, NFS, NIS, LVM, Linux, Shell Programming.

Confidential

Systems Administrator

Responsibilities:

• Installation, Configuration, Upgradation and administration of Sun Solaris, RedHat Linux.
• User account management and support.
• Jumpstart & Kick-start OS integration, DDNS, DHCP, SMTP, Samba, NFS, FTP, SSH, LDAP integration.
• Network traffic control, IPSec, Quos, VLAN, Proxy, Radius integration on Cisco Hardware via Red Hat Linux Software.
• Responsible for configuring and managing Squid server in Linux.
• Responsible for maintenance of development tools and utilities and to maintain shell, Perl automation Scripts.
• Configuration and Administration of NIS environment.
• Managing file systems and disk management using Solstice Disksuite.
• Log file was managed for troubleshooting and probable errors.
• Responsible for reviewing all open tickets, resolve and close any existing tickets.
• Document solutions for any issues that have not been discovered previously.

Environment: Sun Solaris 2.6/7, SUN Ultra Enterprise 6000/450, SUN Ultra 10/5/2/1, Windows NT 4.0, RHEL 3.x.