Engineer Management
Resume:
Sandeep Malladi
Email: ************@*****.***
SUMMARY
•4 years of IT experience in Linux System Administration and Devops, Server Virtualization, worked closely with Software development, application and database teams to meet business and technical demands
•Experience in Red hat Linux 5x,6x,7x versions.
•Experience in writing and maintaining shell scripts.
•Experience in installation, configuration, backup, recovery, maintenance, and support of Red Hat Enterprise Linux, Oracle Enterprise Linux, SUSE, Centos and on Virtual (VMware) and Physical (HP, Dell and IBM) environments
•Experience in Linux-based Virtualization implementations such as VMware and Xen
•Experience in Managing VMware ESX servers 3.x/4,x/5.x running on HP/Dell/IBM, C7000 & Cisco UCS hardware and supported VM’s running Linux and Window
•Experience in building new servers via VMware clone using virtual machine templates.
•Involved in data centre migrations, build new infrastructure in new location, migrated servers from old data centre to new data centre using tools like clonezilla
•Working knowledge of TCP/IP, FC SAN, NAS
•Working knowledge of EMC and Hitachi SAN infrastructure
•Configuration of Hardware and Software RAID, disk replacement and File system recovery.
•Configured Kickstart for automated network installation of Red Hat server
•Expert in Configuring Custom Red hat channels, creating standard Kickstart Profiles in Red Hat Satellite server.
•Experience on working with disk formatting, pvcreate, creating, extending and reducing of Volume group(VG)s, Logical volume(LV)s, disk striping and file systems creation
•Creating, maintaining of user accounts locally and using ldap, user administration, local and global groups on Solaris and Red Hat Linux platforms.
•Maintaining of sudoers file to provide limited sudo access to user to improve the security of the Linux environment
•Worked on configuring network services like NFS, NIS, DHCP, DNS, Web Server, VPN and Firewall
•Experience in updating and creating puppet modules and pushing them to puppet clients.
•Worked on installing Red Hat clusters for DB2 database servers.
•Setup and Performance tuning with the command tools like top, vmstat, netstat, tcpdump, iostat, sar, nicstat, wireshark, etc
•Worked on updating kernel runtime parameters using sysctl to increase the performance of applications.
•Worked on updating network kernel setting like tcp related kernel settings to network performance.
•Applying Security patches on Red hat Linux machines on quarterly basis.
•Worked on VMware VM’s hardware migration project.
•Solid experience with deploying, configuring, monitoring, fault isolation and troubleshooting of 3 tiered applications in load balanced environments
•Ability to quickly adjust priorities and take on projects with limit specifications in a fast paced environment.
•Experience of working in Data centres
•Participate in the 24x7 on call rotation for production environment.
•Experience working on ticketing tools like Remedy, Service Now and HP service manager to resolve helpdesk tickets and change records with defined SLA’s.
•experience in developing Perl & UNIX shell scripts and build-engineering.
•Knowledge on software configuration management. Build and release process.
•Knolwledge on continuous integration Tool Jenkins.
•Knowledge on build automation Tools, Ant and Make.
•Developed Automation scripts in Perl and shell scripting.
•Knowledge on Oracle 11g, and oracle PL/SQL.
•Experience in Build Monitoring and Build Management such as packaging and building source code both on Windows and Linux Operating Systems.
•Experience in working on Linux, UNIX Operating System.
•Experience in Source Code Repository, CVS (Concurrent Version System)
•Worked on VMware Server, V sphere Client and ESXI-Server in the process of creating and maintaining virtual machines.
•Developed ”Build Monitoring Tool” to check availability, size and modified time of build on 60 platforms.
•Good Team player with crisp, clear communication and written skills with exemplary analytical and problem solving skills.
•Experience in writing installation scripts and automation scripts on Linux platforms.
•Experience in using Make files and RPM’S in the process of compiling and packaging source code.
•Experience in working on Ant Scripts and RPM files for automation build.
•Experience in working on continues integration Tool Jenkins.
•Experience in Devops Technologies.
•Experience in using puppet for infrastructure configuration automation.
•Expereicen in Using Monitoring Tools Nagios and Zabbix.
2010- August to 2012 -July InMage Systems, Hyderabad, IN
System Administrator/Build engineer
•Worked on automation Perl scripts to monitor availability of builds on 60 platforms.
•Worked on configuration management build and release.
•Worked on continuos integration Tool like Jenkin.
•Worked on build automation Tools, Ant and Make.
•Developed installation, un-installation and upgrades scripts on Linux.
•Developed shell scripts to trigger builds from master build machine.
•worked on developing automation scripts on Perl.
•Developed shell scripts to check third party updates from CVS.
•Played key role in delivering builds successfully on daily basis.
•Created Virtual Machines using VMware tools to maintain multiple VM’s on single physical machine.
•Tested performance of builds and patches with active participation in
•resolving defects.
•Worked on resolving Bugs and generating patches.
•Worked on Creating build environment on all flavours of Linux operating system (Kernels & system RPMS).
July 2012- December 2013 DST World Wide Services, Hyderabad, IN
DevOps Engineer
•Installed and configured servers with Red hat 4, Centos, Fedora
•Kickstart installations and RPM package management.
•Provided day-to-day user administration like adding/deleting users and managing user’s queries.
•Analyzing and monitoring System performance through various system tools such as netstat, iostat, sar & top.
•Maintaining Puppet Mnagement, Managaing node and automating configuration using puppet.
•Experience in working on Salt.
•Configuring Apache Tomcat Web server.
•File system management and consistency checks using df,du,e2fsck,mount
•Disk usage monitoring, administering and implementing disk quotas.
•Extensively worked in troubleshooting the hardware and software issues
•Installing and maintaining Oracle 11g database Server.
•Worked on monitoring Tools like Nagios and Zabbix.
•Configured multi-tier parent/child relationship squid web caching system
•Extensively worked on software and hardware raid on Red Hat Linux machines.
•Extensive knowledge in configuring Samba and NFS for the sharing of files
•Involved in writing shell scripts for monitoring system usage, backup and recovery strategies, automation of jobs, adding new services to the system.
•Researched and implemented a disaster recovery plan.
September 2014-May-2015 in RBC Royal Bank, Toronto.
Unix system Administrator/DevOps
•Worked on configuring network services like NFS, NIS, DHCP, DNS, Web Server, VPN and Firewall
•Installed and setup RHEL servers for applications like Web Sphere, Apache tomcat, ETL and Oracle 11g, DB2, MYSQL databases.
•Experience in updating and creating puppet modules and pushing them to puppet clients.
•Worked on installing Red Hat clusters for DB2 database servers.
•Setup and Performance tuning with the command tools like top, vmstat, netstat, tcpdump, iostat, sar, nicstat, wireshark, etc
•Experience in working on veritas cluster.
•Worked on Devops and puppet management. Automation of infrastructure configuration.
•working with disk formatting, pvcreate, creating, extending and reducing of Volume group(VG)s, Logical volume(LV)s, disk striping and file systems creation
•Creating, maintaining of user accounts locally and using ldap, user administration, local and global groups on Solaris and Red Hat Linux platforms.
•Maintaining of sudoers file to provide limited sudo access to user to improve the security of the Linux environment.
•Worked on monitoring Tools like Nagios and Zabbix.
EDUCATION:
•Lambton College of Applied Arts & Technology, Toronto, Canada.
•Post Graduation in Internet Programming and Database Management.
•Jawaharlal Nehru Technological University, India.
•Bachelor of Technology in Computer Science Engineering May 2010.
References: Can be provided as and when required.
Sandeep Kumar Malladi.
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