SUMMARY:

A Linux administrator who is looking for a position in an intricate IT environment that is diverse and established in the IT industry. I promise to offer a sound expertise in Linux administration, server management, and workstation development.

TECHNICAL SKILLS:

• Red hat Linux 3/4/5, SUSE 10.
• Operating installations using ISO images or Kickstart.
• VMware 6.x and 5.x management and administration.
• Bash scripting for maintenance and automation especially post scripts after install build to customize OS and automate server maintenance to update group OS servers.
• LVM file system management experience.
• NetApp administration System Manager 3.1 experience.
• Nagios configuration experience configuring both NRPE plugins and server side configuration.
• Clonezilla disk cloning.
• Cluster: Veritas Cluster Server, Redhat Cluster Server, HP Service Guard.
• NFS server configuration and client mounts.
• Web applications including HTML, CSS, JavaScript, and PHP.
• LDAP administration of user and group accounts using OpenLDAP.
• DHCP maintenance and DNS records updates.
• Job Scheduling with Autosys and Appworx.

Software /Tools/Technologies: RHEL 5/6/7, Ubuntu, CentOS, Fedora, VMware VMs, vCenter, vMotion, Chef, Puppet, Jira, Confluence, Naggios, Check mk, Cohesity (Data Protection Backup Software)

PROFESSIONAL EXPERIENCE:

Confidential

Linux Administrator

• Red hat Linux 3/4/5, SUSE 10.
• Performed weekly tape backups (TapeVault) and work with vendor Iron Mountain to cycle tapes off site per disaster recovering procedures/polices.
• Performed onsite data center deployments for racking/stacking new physical servers, configuring iLO/iDRAC console, FC and Ethernet cable connection between server, patch panel and core switch, Tape library management, tape offsite, configured iLO/iDRAC console etc.
• Administered around 500+ Linux/ubuntu/CentOSin in business mission critical 24/7 production environment connected to NetApp storage and NetBackup.
• Employed SiteMinder to set policies for user authentication and user authorization using components from CA.
• Built/Deployed and configured RHE6/7/Ubuntu/CentOS/Fedora DB/APP.
• Participated in 24x7 production deployment and monitoring on - call rotation
• Automated the building and deployments of servers and developer workstations
• Coordinated, maintained and monitored deployment plans.
• Provided deployment solutions and customer service to Health providers, who were the customers.
• Performed CMDB operations in Service Now, using puppet to configure new VMs/servers, installed and configured splunk, check mk tools on new servers.
• Created procedures/SOPs/docs in confluence, performing incident & change management tasks in Service Now.
• Administered servers hosting Jenkins, Puppet, Splunk, Agile, Git repo etc.
• Did software installation, OS hardening, OS upgrade, and security patch updates, shell scripting etc.
• Performed normal system administration tasks like servers performance management & tuning, LVM/FS management, disk management, fdisk operations, troubleshooting etc.
• Monitored servers through Check mk and Nagios tools.
• Managed tape library, VTL devices, handle Quantum tape operation onsite and send them to offsite.
• Configured backup policies, jobs, adding volumes to jobs in Cohesity and managing them, Monitoring backups in Cohesity UI as well as Confidential Cohesity Icebox, which is a distributed app on Cohesity backend.
• Did Sendmail configuration with SMTP, POP3 MUAs and MTAs configuration.
• Did Configuration of Mail storage with SQL.
• Installed and troubleshot Windows Server 2016 for operation in the windows environment

Confidential

Linux/Unix System Administrator

• Installation, deployment, configuration and upgrade of Solaris 9/10, Red hat Linux 3/4/5, SUSE 10.
• Configured, deployed and installed Solaris and Redhat Linux Servers using jumpstart, Ignite, and Kick start.
• Automated server deployment and monitoring using Kickstart.
• Implemented backup processes using CommVault.
• Gained familiarity and experience with non-interactive methods of deployment using FAI.
• Deployment of servers and workstation environments by building automatic answers to installation questions on Red Hat, CentOS and Fedora.
• Extensive use of Logical Volume Manager (LVM), creating Volume Groups, Logical volumes and disk mirroring in Linux.
• Extensive experience working on Solaris Volume Manager, creating Metadevices, Soft partitions, Mirroring the devices and Metasets.
• Space allocation to the Metadevices, detaching and clearing the devices if not in use.
• Participated in weekly project management calls and engage with cross-functional teams to complete installation, acceptance, signoff, and cutover of new backup infrastructure.
• Created automated Jumpstart environment for Solaris standard builds for WEB, APP and DB servers.
• Supported Oracle RAC (Real Application Cluster) Servers running on Linux with GFS and Solaris with SFRAC.
• Monitored vulnerabilities within private and public networks.
• Installed and administered Tripwire applications in tier 2 and tier 3 environments.
• Package management using RPM, YUM and UP2DATE in Red Hat Linux.
• Responsible for Daily Backup maintenance through Tivoli Storage Management (TSM).
• Administrative scripting with Perl and Shell.
• Communicate with the user community and co-workers to assess needs, resolve problems, and provide technical assistance where necessary relating to UNIX administration functions, and software running on UNIX platforms such as Apache, WebSphere and Oracle9iAS and COTS third party software.
• Administration, maintenance of HACMP Clusters.
• Email encryption with TLS and email security enhancement with SMTP and Linux Monitoring tools.
• Extensive use of Veritas Volume Manager for Disk management, file system management on Sun Solaris 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.
• Configuration and administration of mail server, Send mail, and SNMP/POP.
• Writing Shell scripts for automation of job, system monitoring and error reporting.
• Configuration of Hardware and Software RAID.
• Disk replacement and File system recovery.
• Worked on EMC disk storage to allocate disk space, configuring LUNS on server side.
• Backup maintenance through TSM using Tape libraries.
• Experienced in installing and managing IBM RS/6000/Pseries with DB2 and Oracle.
• Had primary responsibility for all production systems, including web services, distributed storage, networked file systems, backup, maintenance, accounts, provisioning, and physical infrastructure.
• Installation of Redhat, Ubuntu and SUSE Linux on HP and Dell Rack and Blade
• Installation of packages, patch management, volume management on Suse servers using YaST.
• Created Virtual machines, Clones and template for Linux.
• Installation and configuration of VIO servers and updating system firmware by using HMC along with Logical Partition technology (LPARs).
• Worked on different version on RHEL from bare metal hardware until turning over to Customer.
• Installation and configuration of dual Virtual I/O servers (VIOS) and clients.
• Created and configured standard LPAR assigned physical I/O.
• Set up and configured virtual recourses (LHEA, NPIV, virtual SCSI, virtual Ethernet, virtual FC).
• Hands on experience with Advance virtualization and power 6-partition mobility feature.

Confidential

Linux/Unix System Administrator

Environment: RHEL 5.x/4.x, SUSE 10, IBM/HP blade servers, Web sphere 5.x/6.x, Apache … planet, Oracle … Logical Volume Manager, VERITAS netback up 5.x/6.0, SAN Multipathing (MPIO, HDLM, Power path)

• Red hat Linux 3/4/5, SUSE 10.
• Evaluated, installed, tested, configured, maintained, tuned, and troubleshot Solaris 9/10, Red Hat Linux AS 4/5, SUSE 10, software and third party commercial off-the-shelf (COTS) products with primary responsibility being for the UNIX operating systems.
• Extensive use of Logical Volume Manager (LVM), creating Volume Groups, Logical volumes and disk mirroring in Linux.
• Performed several projects on Websphere. Resolved several issued that were related to Solaris administration functions, and software running on Solaris 8/9 platforms such as Apache and WebSphere
• Package management using RPM, YUM and UP2DATE in Red Hat Linux.
• Implemented backups with CommVault and NetBackup.
• Extensively worked on tools like Veritas Volume Manager (VxVM) and Veritas file System, Logical Volume Manager (LVM), Solaris Volume manger (SVM).
• Experience in building Servers using Jumpstart in Solaris, Kickstart in Linux, and Manual installation.
• Configuration and administration of DNS, LDAP, NFS, NIS, NIS+ and Sendmail on RedHat Linux.
• Installed and deployed the KVM containers for the Openstack Cloud.
• Good working experience with Redhat Satellite Server for upgrading and patching Linux Servers. • Experience working in VMware ESX (VSphere) 4.x hypervisor for virtualization and installed different OS such as Solaris, Linux (RHEL),
• Performed Vmotion using the VCenter on the ESX machines for migrating the VMs online.
• Installed and administered Tripwire applications in tier 2 and tier 3 environments.
• Worked with audit teams and provided them with the File system modifications using tripwire tool on various distributions of UNIX.
• Managed Patching and worked on Firmware Updates for Blades and Enclosures.
• Creating met devices, soft partitions, mirroring the devices and metasets.
• Analyzed, troubleshot, and resolved RedHat Linux and Server HW, Network problems in a Production Server environment.
• Experienced working with production and 24 x 7 on call environments.

Confidential

Linux/Unix System Administrator

Environment: RHEL 5.x/4.x, SUSE 10, IBM/HP blade servers, Web sphere 5.x/6.x, Apache … planet, Oracle … Logical Volume Manager, VERITAS netback up 5.x/6.0, SAN Multipathing (MPIO, HDLM, Power path)

• Red hat Linux 3/4/5, SUSE 10.
• Evaluate, install, test, configure, maintain, tune, and troubleshoot Solaris 9/10, Red Hat Linux AS 4/5, SUSE 10, software and third party commercial off-the-shelf (COTS) products with primary responsibility being for the UNIX operating systems.
• Extensive use of Logical Volume Manager (LVM), creating Volume Groups, Logical volumes and disk mirroring in Linux.
• Performed several projects on Websphere. Resolved several issued that were related to Solaris administration functions, and software running on Solaris 8/9 platforms such as Apache and WebSphere
• Package management using RPM, YUM and UP2DATE in Red Hat Linux.
• Implementing backups with CommVault and NetBackup.
• Extensively worked on tools like Veritas Volume Manager (VxVM) and Veritas file System, Logical Volume Manager (LVM), Solaris Volume manger (SVM).
• Experience in building Servers using Jumpstart in Solaris, Kickstart in Linux, and Manual installation.
• Configuration and administration of DNS, LDAP, NFS, NIS, NIS+ and Sendmail on RedHat Linux.
• Installed and deployed the KVM containers for the Openstack Cloud.
• Good working experience with Redhat Satellite Server for upgrading and patching Linux Servers. • Experience working in VMware ESX (VSphere) 4.x hypervisor for virtualization and installed different OS such as Solaris, Linux (RHEL),
• Performed Vmotion using the VCenter on the ESX machines for migrating the VMs online.
• Installed and administered Tripwire applications in tier 2 and tier 3 environments.
• Worked with audit teams and provided them with the File system modifications using tripwire tool on various distributions of UNIX.
• Managed Patching and worked on Firmware Updates for Blades and Enclosures.
• Creating met devices, soft partitions, mirroring the devices and metasets.
• Analyze, troubleshooting, and resolve RedHat Linux and Server HW, Network problems in a Production Server environment.
• Experience working with production and 24 x 7 on call environments.