NARENDRAN MOHAN

Mobile: +91-990******* Email: adnp25@r.postjobfree.com

LinkedIn: linkedin.com/in/narendran-m-a4098133 Skype ID: namohan90

SUMMARY

Technology-focused individual possessing over nine years of extensive experience in performing the cloud-, Linux-, and Unix-based administration, along with the major expertise in various domains like Media & Communications, BFSI, & OIL & GAS

Competent in in developing, configuring, implementing, and managing the systems based on the cloud platform, along with providing technical assistance on various cloud-based systems

Expert in performing the SAN migration (PURE-Storage), along with executing the Firmware upgrades for the HP and DELL blades

Adept in handling the addition & upgradation of the CPU or memory, addition, expansion & removal of Disk, ISO mounting, adding NIC cards, and other similar tasks related to VMware level resource management

Skilled in performing Kernel version upgrades & parameter tuning for various Linux versions like RHEL, SuSE, and CentOS

Possess hands-on experience in the management of mail service such as Sendmail and Postfix, along with expertise in network management functions such as troubleshooting & configurations

Proficient in tracking & evaluation various potent vulnerabilities & threats while incorporating the relevant actions including the application of the scheduled security patches to the servers

Well-versed in handling various Filesystems like Ext3, Ext4, XFS, and Btrfs while using the LVM concepts to manage their creation, modification, & removal, along with the expertise on LUN, RDM, NFS, and similar disk level migrations

SKILL SET

System Administration

Oracle DB Administrator

Send Mail

Postfix

Info box tool

Kernel Upgrade

kernel Parameters

Data migration

VMWare technologies

Infrastructural design

Storage space reclamation

UNIX/Linux/CLOUD Administration

Linux System Administration

Project Management

IT Infrastructure Management

Escalation Management

ITIL Process Implementation

Incident Management

TECHNICAL SKILLS

Cloud

xStream (Virtustream), Azure

Hardware/Platforms

Red Hat, SuSE, CentOS, Solaris, AIX, HPUX, HP, DELL, CISCO

Databases

Oracle, HANA(SAP)

Patch/Package Tool

Lumension, SuSE Manager

Backup

COMMVAULT

Networking Tool

INFOBLOX

Other

Data Domain, Avamar, Networker, Microsoft Office Tools

ACADEMIC CREDENTIALS

Bachelor of Technology in Information Technology from Anna University in 2009

CERTIFICATION

Pursuing Oracle Cloud Infrastructure Architect Associate

Sun certified system administrator for Solaris 10 OS Part I (SR5816154)

Sun certified system administrator for Solaris 10 OS Part II (SR5816154)

Information technology infrastructure library (ITIL) V3 foundation certified

Redhat Certifications (RHCSA (190175422) /RHCE (190175422)

COMMVAULT Certified Professional Foundation and Advanced

WORK EXPERIENCE

Wells Fargo Ltd April 2021 – Till Date

Operations Infrastructure Engineer (Linux/Unix/Cloud/DB)

Responsibilities not mentioned by client

COMMVAULT Ltd April 2020 – April 2021

Technical Specialist (Linux/Cloud/Backup & DB)

Provided support to the customers for implementing the COMMVAULT product to establish the data protection environment

Catered server support & break to the end-users for the environments hosting the COMMVAULT

Handled the firmware upgrades for the HP and DELL blades, along with managing the SAN migration for entire landscape

Possessed expertise in executing performance tuning at the disk level while establishing server Harding for the entire landscape

Executed the relevant upgrades for both kernel and service packs as per the requirements of the customers

Employed the SUSE Manager for pushing patches to all Linux servers for accomplishing periodic patch/package management

Possess experience in basic python scripting

DELLEMC Ltd May 2018 – April 2020

Senior Analyst (Linux/Cloud/Backup & DB)

Catering server support to the production end users across the globe on a 24x7 basis

Delivering assistance for the xStream cloud (IaaS) to more than 100 customers, along with educating them about the product while handling the maintenance for the same

Executed hardware upgrade on the VM level using VM tools

Acted as a single point of contact for Data center migration including the steps and actions from Linux server’s standpoint for RHEL/SUSE/SUSE for SAP

Acted as a single point of contact for the ENOC (Emirates National Oil Company), DEWA (Dubai Electricity & Water Authority), ASX (Australian securities exchange) and CALUMET Petroleum in all major kind of migration and upgrades such as Installation/Upgrades/Security patching/Filesystem restructure and migration for SUSE/SUSE for SAP and RHEL

Executed/Installed security patches to the servers as per their vulnerability, along with performing the necessary upgrades for the RHEL/SUSE

Performed the restriction of the file system as per the customer requirement and disk reclamation, along with configuring the printers to be shared over the Linux servers

Managed the vulnerabilities checks as per the security polices, along with updating them on the servers

Executed the relevant upgrades for both kernel and service packs as per the requirements of the customers

Performed User level audit for several customers over the PROD/DEV/QA landscapes

Configured the Oracle ASM disks, along with adding them to the DB servers and administering the packages as per the customer requirements

Executed migration of the filesystem from Ext3 to XFS for SAP HANA landscape for SUSE/RHEL, along with establishing the NFS server and Client as per the customer requirements

Cognizant Technology Solutions Ltd Jan 2016 – May 2018

Technical Lead (UNIX & Linux)

Performed the installation & upgradation on HP, Dell, and CISCO UCS blades of various Linux flavors such as (RHEL/SUSE)

Executed VMware administration activities like VM instance creation & deletion, creating template/Image, Snapshot/restoration, and Cloning, along with handling the VMware level resource management such as adding or upgrading memory & CPU, Disk addition, expansion and removal, Mounting ISO, and adding NIC cards

Completed migration at a disk level like RDM, NFS from one server to another server

Employed the Inflobox for performing Network and DNS management

Developed Host records and CNAME’s as per the requirements of the customers

Employed the SUSE Manager for pushing patches to all Linux servers for accomplishing periodic patch/package management

Used the SUSE Manager for executing the configuration management to multiple servers

Executed/Installed security patches to the servers on a regular basis

Executed the tuning of the kernel parameters as per the customer requirement, along with employing resize2fs and XFSgrowfs to execute the resizing of the Filesystem

Handled User administration and ACL as per the requirements of the customers, along with using fsck to perform file system checks

Employed the Zenoss tool to established the thresholds limits for CPU & Memory/filesystem

Executed the establishment of both FTP and SFTP setup as per customer requirements

Established the network shares such as NFS/SAMBA, along with using the CPAN to execute the installation of the PERL module

Performed the management activities like creation, deletion, & modification for the filesystem

HCL Technologies Ltd July 2015 – Dec 2015

Senior Specialist (UNIX & Linux)

Performed the validation of newly onboarding Linux servers like RHEL, SUSE, and CENTOS

Executed VMware administration activities like VM instance creation & deletion, creating template/Image, Snapshot/restoration, and Cloning, along with handling the VMware level resource management functions like addition or upgradation of the memory & CPU, Disk addition, expansion and removal, Mounting ISO, and adding NIC cards

Skilled in performing daily activities such as regular server health checks, user and group management, file permissions, space management, monitoring, scheduling jobs using cron

Performed the management activities like creation, deletion, & modification for the filesystem

Hewlett Packard Global Soft Private Ltd July 2012 – July 2015

Service Delivery Consultant I (UNIX & Linux)

Acted as a single point of contact for the migration of Data center such as P2V, V2V, Liftshift from one to another for all Linux servers (RHEL/SUSE)

Performed the validation of newly onboarding Linux servers like RHEL, SUSE, and CENTOS

Acted a single point of contact for the storage level activities like conveying the Lun’s to the servers from the appropriate pools

Performed the upgradations for the kernel and release version as per the requirements of the customers over the over Linux servers (RHEL/SUSE)

Incorporated the YUM & Zypper to execute the repository configuration management

Configured the mail services (Postfix/Sendmail) in Linux severs, along with setting up the NTP while regulating time sync to the entire Linux servers over the landscape

Managed the permissions for the file and directory levels as per the requirement of the clients

Executed periodic health checks on the servers along with organizing the OS related filesystem based on the threshold alerts

Established the ACL for performing periodic audits for the User and Group level management

Randstad (India) Private Ltd June 2010 – June 2012

System Administrator (UNIX & Windows)

End of Resumé

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