SUMMARY

• 7+ years of experience as a System administrator in vmware and Windows platforms with hands on experience in Linux administration environment.
• Strong Knowledge of Rhel 5,6 and 7 and VMWARE.
• Good Experience with Real time messaging system, multithreading application and low latency and high performance system.
• Experience in Debugging TCP Dumps and OS core Dumps.
• Experience in Troubleshooting and configuring the hardware issues
• Strong in TCP/IP Socket, and RMI Networking
• Good knowledge in logical volume manager and Native Multipathing.
• Experience in using the monitoring tools like puppets and LDPA.
• Strong with SQL, Oracle, java and middleware Software support.
• Good knowlwdge of Redhat Physical Box and Patching of Solaris.
• Experience with centralized management such as Puppet or Docker and stacklq
• Coding experience such as Perl and Shell scripting
• Good with Disk management and user management.
• Experience with Root cause analysis and Problem Management.
• Strong in managing patches for software certification and data collection.
• Good knowledge in virtual and physical servers.
• Checking the disk space Usage.
• Excellent knowledge of disaster recovery, implementation and testing.
• Expertise in RAID Configuration, Veritas Cluster Server, Veritas Volume manager, Logical Volume Manager and Veritas Net Backup.
• Efficiently implemented network file sharing by configuring NFS to share files and resources across the network.
• Extensive Shell, Perl and VB scripting experience.
• Scheduling various cron jobs for backups, database, proprietary jobs using CRON and BMC Control - M and troubleshooting daily job problems.
• Experience with Virtual Memory and swap space on Solaris systems.
• File system tuning using Veritas File System (VxFS).
• Planned, documented and supported high availability, data replication,fail-over and fall-back Solutions using Veritas Cluster Server 5.0, 5.1 in SAN environment.
• Coordinated with SAN Team for storage allocation and Disk Dynamic Multi pathing. Worked on Various SAN Products like Net App, EMC Symmetrix, Hitachi data systems.
• RDBMS installation and support for Oracle, SQL Server, MySQL.
• Worked with Backup Team to Configure the Master and Client Backup servers Using Veritas Net Back up.
• Working Knowledge on Veritas Storage foundation (VSF) and Veritas Volume Replicator (VVR).
• Experience in Windows Domain Controller, Active Directory configuration, users and group creation and management, folder permissions, network sharing, backup and maintenance.
• Experience in setting up LANs and WANs.
• Configuration and maintenance of various routers, firewall and wireless access points such as Cisco, Sonicwall, Checkpoint, Meraki etc.
• Sonicwall Certified Network Security Administrator.
• Effective leader, motivator and team player with excellent planning, coordination, time management, supervision and organizational skills.

TECHNICAL SKILLS

Operating Systems: Sun Solaris 7, 8, 9 & 10, Linux Red Hat 3/4/5/6/7, AIX 4.3/5.1/5.2/5.3 ; HPUX 10.x/11.x, VMware 3.5/4.1, Windows 98/XP/Vista/7, Windows Servers 2000/2003/2008.

Hardware: Sun Fire V440, V120, V480, V490, V880, Sun Fire X4100, X4200, X4440, X4140, X4170, X4500, X4540 Sun Fire 2900, 4800, 6900, Sun Enterprise Servers T5120, T5220, T5240, T2000, T3-1, T3-2, M5000 & M9000, IBM Blade center and Dell PE 2600, PE 1900, PE 2800,, PE 2900, PE 2950, PV NX 300, various HP and Lenovo Servers.

Tools: VERITAS Volume Manager, Veritas Cluster Server 4.1/5.0/5.1, VERITAS Net backup 5.1, Sun Cluster 2.x & 3.x, VMWare ESX

Languages: Shell Script, Perl

RDBMS: SQL, Oracle, MySQL

Networks: NIS, NFS, LDAP, DNS, Routers and Firewalls

Protocols: TCP/IP, FTP, SSH, SFTP, SCP, SSL, ARP, DHCP, TFTP, RARP, PPP, POP3 and SMTP

Storages: Netapp, Hitachi,EMC Symmetrix

PROFESSIONAL EXPERIENCE

Confidential, Chicago, IL

Linux Administrator

Responsibilities:

• Worked with Linux Administrations skills.
• Used to do Patching of solaris and Redhat physical Box.
• Working with real time messaging system, multi thread application and disturbed messaging system.
• Working on Debugging of java memory, TCP Dumps and OS core Dumps.
• Manage Linux Environment at L3 level with IBM websphere
• Used to do ZFS, VXVM AND SVM Administration.
• Daily task of scripting using Powershell and Perl
• Providing support to java and middleware application
• Working with SQL and Oracle Data base servers.
• Onfiguration of several Security tools like IPTABLES and IPS, and OS Hardneing
• Working with LVM and Native multipating and monitoring tools like Puppet and LDPA.
• Used to Perform revision control source code repositories (Git, SVN)
• Doing Patch managmanet and updating utilities.
• Daily management process of Automation and scripting.
• Used to do automate complex system administrative tasks on RHEL on a daily basis
• Used Automation tools like Selenium and Rational.
• Adminsitration of Disk Space Usage daily.
• Always Independently work on complex issues: debugging to find the root cause, implement solution work with many different stakeholders to get from issue report to solution in production
• Task of Performing OS and application up-grades on existing systems
• Performing OS and application up-grades on existing systems
• Provide system performance monitoring, tuning and trend analysis
• Develop and test disaster recovery solutions
• Used web technology such as Apache,Tomcat Jboss and openSSL.
• Used of tools such as puppet and chef.
• Mainly used to focus on sys admin that work for Box products integration like Archer and carbon black, hardware issues and also have to maintain the server room.
• Used to write automation scripts daily.
• Daily use of Shell Scripting using perl, python, php html and bash scripting.
• Used to Build Cloud Formation templates
• Perform admin skills like Linux, window, Oracle Mysql Ms sql
• Used to manage the Networking services such as DNS,DHCP, NFS and NTP.
• Daily provide support with middleware component Apache 2.x REdhat,jBoss EAP5.x.EAP7.x and tomcat 7.x daily
• Providing coding with python and Html and bash scripting and perl too.
• Also used to work on RDBMS
• Managing system using Puppet and LDAP
• Used to Do Patch management, update different utilities and manage software for that patches. Data collection and reporting.
• Dealing with IT system Security.
• Daily Scripting Different day to day task.
• Management of local storage network and keep their constant remote replica.
• Used to control network team to manage ACL and troubleshoot isuue daily.
• Used to bulid new Osx Linux and Window Images always.
• Develops and documents backup/recovery plan for Linux files.
• Participates in business resumption (disaster recovery) planning, implementation andMonitors processors’ resource usage and provides performance reports to management n UNIX Production Servers including Solaris and Linux as well as worked across multiple projects including data centre migration, VUDU taxware/authentication, Tibco, Oracle RAC Performance Tuning and Oracle Goldengate Replication and Holiday Readiness Project.
• Installed, configured and maintained RHEL 5.x/6.x and Solaris 9/10 servers for production, staging and test environments.
• Worked actively in migrating Solaris 9 servers to Solaris 10 servers.
• Installed Patches/Packages on Solaris Servers and RPM packages on Linux Servers.
• Involved in the installation and configuration of several application such as Tibco, IBM Websphere MQ, Oracle Golden Gate etc.
• Installed and configured Sudo accessfor users to access the root privileges.
• Integrating UNIX file systems using packages like SAMBA.
• Troubleshooting technical problems received through e-mail and BMC Remedy Ticketing Tool. Performing QA and Production changes following the Change Management procedures, generating reports.
• Monitoring the servers using nagios enterprise-wide and work on any system alerts generated by the tool. Work on the tickets assigned by Site Operations team and involve application/other teams as and when necessary.

Environment: Solaris 9/10, Linux 5.x/6.x, VMWARE, SUN SPARC/X86 Servers, Dell/HP Servers, Netapp, Hitachi Storage.

Confidential, Chicago, il

Linux Administrator

Responsibilities:

• Installed and configured RHEL 4.x/5.x/6.x/7.x, Solaris 8/9/10, Windows 2003/2008 for production, staging and test environments.
• Used to provide day to day administration with monitoring tools such as Puppet
• Working with real time messaging system, multi thread application and disturbed messaging system.
• Working on Debugging of java memory, TCP Dumps and OS core Dumps
• Daily task of scripting using Powershell and Perl
• Onfiguration of several Security tools like IPTABLES and IPS, and OS Hardneing
• Used to Build Cloud Formation templates
• Perform admin skills like Linux, window, Oracle Mysql Ms sql
• Used to provide day to day administration with Redhat Directory Servers and Satellite too.
• Daily task of Mainting the Logical Volume Manager and Native Multipathing, have to respond to any kind of security alerts and also user access and have to be on constant reveiving logs.
• Mainly used to focus on troubleshooting and managing issues, hardware issues and also have to maintain the server room.
• Managing system using Puppet and LDAP
• Used to provide day to day administration on the server cluster which is running on KVM and Oracle Enterprise and also OSX servers.
• Daily task of Updating software, have to respond to any kind of security alerts and also user access and have to be on constant reveiving logs.
• Mainly used to focus on Deploying new servers, hardware issues and also have to maintain the server room.
• Used to Do Patch management, update different utilities and manage software for that patches. Data collection and reporting.
• Dealing with IT system Security.
• Daily Scripting Different day to day task
• Configured Zones, Containers and branded zones on Solaris 10.
• Building LDoms on T5220, T5120 and T5140 servers.
• Configured File Systems using ZFS/vxfs/svm for Oracle Databases.
• Involved in troubleshooting of UNIX technical problems received through e-mail and Clarify Ticketing Tool, Backup solutions according to the SOP & SLA. Generating reports, Preparing Quality Documentations & uploading to VSS tool
• Management of local storage network and keep their constant remote replica.
• Used to control network team to manage ACL and troubleshoot isuue daily.
• Used to bulid new Osx Linux and Window Images always
• Monitoring, troubleshooting & reporting daily backup status for all critical production UNIX servers enterprise-wide.
• Configured devices by using HDLM software from Hitachi SAN.
• Setup of full networking services and protocols on Solaris, including NIS/NFS, DNS, SSH, DHCP, TCP/IP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Administered, maintained Red Hat 3.0, 4.0, 5.0 AS, ES, Troubleshooting Hardware, Operating System. Application & Network problems and performance issues; Deployed latest patches for Sun, Linux and Application servers.
• Disk Space management using VERITAS Volume Manager.
• Configuration of Hardware and Software RAID. Disk replacement and File system recovery.
• Implemented Virtualization using VMware. Installed Virtual environments VMware ESX server on Dell Servers and configured Solaris 9/10/ Red Hat Linux 4.0 / Windows 2003 virtual machines for various applications.
• Installing and setting up Oracle9i on Linux for the development team.
• Installation of software packages and checking the integrity of the installed packages. Installed different RPM Linux 4.0/5/0.
• Administered Linux servers for several functions including managing Satellite for RHEL, Apache server, mail.
• Installed and configured Sudo for users to access the root privileges.
• Integrating UNIX file systems using packages like SAMBA. Setting up printers on UNIX / NT machines to work seamlessly across platforms.
• Worked with different hardware and software vendors to troubleshoot the hardware and software problems.
• Responsible for backup and recovery of servers.Documented backup policies and procedures for backup routines, schedules and restore policies.
• Managing cron jobs, at Jobs, batch processing, tuning system performance and job scheduling.
• Support and detailed troubleshooting of Sun Solaris in a 24 x 7 Environment.

Environment: Solaris 8/9/10, Linux, VMWARE, SUN SPARC workstations (A21, A22, A70, A89),NFS, NIS, DNS; IBM 8677, IBM Blade center Servers (HS20, HS21), Lenovo Workstation’s (D2, D3, D10, D20), IBM P520, P550, P560, P570, P575, P595, IBM IntelliZpro-9228, DELL Poweredge 1650,2850,2950,6400.

Confidential, Minneapolis, MN

Linux Administrator

Responsibilities:

• Daily task of supporting using Unix/Linux windows administration skills, have to respond to any kind of security alerts and also user access and have to be on constant reveiving logs.
• Mainly used to focus on sys admin that work for Box products integration like Archer and carbon black, hardware issues and also have to maintain the server room
• Involved in configuration and support of a production environment hosted in a 24x7 setup.
• Installation and Configuration of Solaris, Linux and AIX and Windows/NT operating systems on large distributed environment.
• Managing Disks/Filesystems using Veritas Volume Manager.
• Setting and Managing NFS, NIS, DNS, Shell Scripting, patching.
• System performance tuning, User maintenance and security.
• Scheduling Backups, Monitoring & taking failover test of Veritas Clustered servers.
• Trouble shooting and problem resolutions in SUN, Linux and AIX servers.
• Procedural documentation of supporting applications as well as SLA and escalation policies to coordinate with the monitoring systems as deployed.
• Responsible for first and second level problem analysis, and resolution for system and application tools utilizing already existing Unix scripts and Windows run books.
• Installation and support of various versions of Oracle, SQL Server and MySQL databases.
• Used various networking tools such as ssh, telnet, rlogin, ftp and ping to troubleshoot daily networking issues.
• Ability to screen and diagnose client inquiries and problems; troubleshoot to clearly understand problems (root cause determination), solve problems, use operational documentation (runbooks).
• Responsible for administering and maintaining Linux work stations running Apache web server.
• Installed and configured SSH,NDM, EMC Power path, Veritas Dynamic multipathing, Oracle client.
• Expertise in Linux backup/restore with tar including disk partitioning and formatting.
• Managed email (Postfix and Sendmail), LDAP and Oracle services.
• Work with developers to integrate their web applications onto standard infrastructure.
• Writing scripts for monitoring log files and sending alerts.
• Involved in the Recovery of the Unix servers.
• Installation of SAMBA utility software.

Environment: Solaris 8/9/10, Red Hat Linux 4.x/5.x/6.x/7.x, AIX, BMC Patrol, NetBackUp, MQSeries 5.0 WebLogic 6.1, NES/iPlanet4/6. SUN Solaris, E250, E10K, E4500, SunfireV880/440, Windows, Solstice Disk Suite 4.2.1,, EMC Centera; EMC Connetrix, SAN Switches, Tape Libraries, EMC Powerpath 4.0,Sun Storage Array NAS and SAN, Sun Disk Suit and MySQL 5.

Confidential

Unix/Linux System Engineer

Responsibilities:

• Installation and configuring of SUN Solaris and Linux servers .
• Involved in Building and configuring Solaris 8/9/10 using Jump start 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, Staging.
• Primary responsibility includes building and supporting Solaris/ Red hat 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.
• 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.
• Installation and configuration Veritas NetBackup on Sun Severs.
• 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.
• Worked with other IT teams including Database and Network 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, performance testing, production & disaster recovery server.

Environment: Solaris 8/9/10, Red Hat Linux 4/5 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.