SUMMARY

• 7+ years of IT industry experience as a System Administratorand Production Support of various applications onRed Hat Enterprise Linux 4.0, 5.0, 6.0 environment & VMWare ESX 3.5/4.0 & 4.1,5.0 and 5.5
• Experience in Installation, Configuration, backup, recovery, maintenance and support of Solaris, Red Hat Linux & AIX.
• Experience on Red hat Linux Server & Desktop Environment using through Virtual Machine under VMware.
• Experience in Package management using RPM and YUM in Red Hat Linux.
• Installing, upgrading, and configuring RHEL 3, 4, 5 and 6 using Kickstart.
• Experience in installing, configuring, supporting and troubleshooting Unix/Linux Networking services and protocols like NIS, NIS+, LDAP, DNS, NFS, DHCP, NAS, FTP, SSH and SAMBA.
• Experience in Installation, Configuration and Troubleshooting of various web server issues including IBM HTTP Server, Apache Web Server 2.x/1.x, Tomcat 5.x/4.x/3.x.
• Experience in working on Veritas File System, Veritas Cluster, extended logical volumes for teh system growth needs using Logical Volume Manager (LVM).
• Efficiency in installing, configuring, and implementing of RAID 0, RAID 1, and RAID 5 levels using Logical Volume Manager, VERITAS Volume Manager and Solaris Volume Manager.
• Skilled in developing procedures for startup, execution, shutdown, backup, and recovery as required, and assist in determining needs for both hardware and software.
• Resolving system errors and crashes, huge file sizes, file system full errors.
• Excellent skills in analyzing, designing, implementing and system integration, Knowledge on Switches, Routers, & Firewalls.
• Expert in Data center operations including hardware, software setup monitoring, troubleshooting on a 24x7 basis with BMC patrol, Team Quest, Unicenter & Smart trouble ticketing Systems/remedy tickets/kintana tickets etc.
• Expertise in writing scripts for automation and monitoring using Shell (bash, C and Ksh), PHP, Python and Perl scripts.
• Creating and maintaining user accounts, profiles, security, rights, disk space, and process monitoring
• Manage user accounts for teh team access for Red hat Satellite Server.
• Running security scans and remediating Servers to meet enterprise standards.
• Involved in Design, Planning and Implementing Migration activities to move application from Solaris 9 & 10 to Redhat Linux Environment.
• Experience working in Data Centers and supporting HW like Dell and HP.
• Independent problem solving and a good team player with strong interpersonal and communication skills.
• Experience supporting 24x7 production computing environments. Experience providing on - call and weekend support.
• Excellent analytical, problem solving, communication and interpersonal skills.
• Hands on experience in building, maintaining production web infrastructures in Amazon’s Web Services (AWS) cloud platform.
• Configuration management using Amazon Cloud Formation, Continuous integration with Jenkins and Bamboo. AWS management (EC2, EBS, ASG, RDS, R53)
• Worked with Configuration management tool Puppet dat is used to manage Linux servers.
• Creating snapshots and Amazon machine images (AMIs) of teh instances for backup and creating clone instances.
• Optimized volumes and EC2 instances & Created multi-AZ VPC instances.
• Experienced in creating Amazon EC2 instances and setting up security groups.

TECHNICAL SKILLS

Programming Languages: C, C++, Java, SQL, Python

Operating System: Windows Server 2008, 2012 & 2012R2, RHEL 5.x/6.x/7.x,Ubuntu, VMware ESX/ESXi 4.x/5.x

Databases: MS SQL Server 2008, 2012, 2012R2 & 2016

Cloud Environments: Amazon EC2 & S3

Other Tools: Legato backup Tool

Application/Web Servers: WebSphere, WebLogic, Apache Tomcat

Virtual Servers: VMware, ESC Servers, vSphere 5x, Solaris Zones.

PROFESSIONAL EXPERIENCE

Confidential

Linux Admin/AWS Administrator

Responsibilities:

• Managing UNIX Infrastructure and EMC storage involving maintenance of teh servers and troubleshooting problems in teh environment.
• Configuration management using Amazon Cloud Formation, Continuous integration with Jenkins and Bamboo.
• Installing operating systems Solaris, Linux and HP according to business requirements.
• Planning, implementing and configuring changes to teh servers adhering to ITIL change management process.
• Had good experience using HP-UX system admin.
• Experience in working with Agile, Scrum and Kanban software development methodology.
• AWS management (EC2, EBS, ASG, RDS, R53), Optimized volumes and EC2 instances & Created multi-AZ VPC instances.
• Experience with teh migration of content in similar upgrades.
• Experienced in creating Amazon EC2 instances and setting up security groups.
• Experience in working with SAN storage technologies like NetApp.
• Creating snapshots and Amazon machine images (AMIs) of teh instances for backup and creating clone instances.
• Hands on experience with MySQL queries dat we need during teh development phase and experience in supporting and troubleshooting Atlassian tools and plugins.
• Research and deployment on scalable Linux deployments on AWS via Docker.
• Experience in working with client-server protocols such as HTTP, TCP/IP and OSI.
• Experience in working with configuration management systems such as Puppet, Chef and Ansible.
• Experience in working with Continuous Integration and Deployment CI/CD.
• Maintained and executed build scripts by coordinating with development and QA teams.
• Worked on different VMware products like VMware workstation, GSX/VMware server, VMware player, and VMware Converter and ESX server.
• Responsible for building and deploying on different environments simultaneously, and used BASH shell to search and edit files.
• Build YUM and RPM repository server for teh development team to upload packages.
• Provided assistance to developers in resolving problems.
• Deployed teh EAR AND WAR archives into Web logic and Apache Servers.
• Monitoring progression of releases and keep them on track for delivery on planned release date.

Environment: RedHat (5.x/6.x), Veritas, VMware, Apache, ESX, BASH Script, AWS EC2, S3, IAM, AMI, Amazon Cloud Formation, Amazon Cloud Watch.

Confidential, San Diego, CA

Linux Administrator

Responsibilities:

• Installation ofRed Hat Linux EL 7.x, 6.x, 5.x based servers indevelopment, test and production environments.
• Configuring Solar Winds monitoring tool for all teh Network Devices and Nodes alerts.
• Managing Spacewalk, Adding Servers to teh spacewalk repository and deploying teh configurations through spacewalk channel subscription.
• Creating and maintaining user accounts, profiles, security, rights, disk space, and process monitoring.
• Performing System Storage management/LVM tasks like creating volume groups, PV’s, LV’s and mounting file systems
• Manage user accounts for teh team access for Red hat Satellite Server.
• Creating Virtual Machine Profiles in Vcenter Server, allocating storage and installing Red hat Linux Systems.
• Used VxVM toadd disk, create new disk groups/volumes, resize, deport and importdisk groups between servers.
• Managing teh LDAP server through active Directory and creating teh centralized access for teh users.
• Maintained maximum uptime and maximum performance capacity for Enterprise Production, QA, and UAT/Staging
• Creating MySQL DB instances and performed basic MySQL database administration.
• Expertise in creating VM Templates, cloning and managing Snapshots.
• Upgraded teh Company wiki page, Mediawiki from, teh latest stable version.
• Configured Network and troubleshooting network problems such as TCP/IP, providing support for users in solving their problems.
• Installation and configuration of web hosting administration such as FTP, SSH, RSH, Telnet, and HTTP

Confidential, VA

Linux Administrator

Responsibilities:

• Installation ofRed Hat Linux EL 7.x based servers using Kickstart indevelopment, test and production environments.
• Built centralized servers for teh CPS infrastructure and Configured bi-directional synchronization between teh servers through UNISON tool for timely synchronization of data for various application environments.
• Proactive maintenance on systems by timely upgrading Patches to teh systems and applications, scheduling of batch jobs and cron jobs for UNISON to run timely.
• Installed and configured of SAMBA utility software for sharing files with Windows hosts
• Creating and configuring Load Balancers and Updating SSL certificates for load balancers.
• Define/setup network protocols, Network File Services (NFS), and Network Information Services (NIS) in Linux.
• Configured Network and troubleshooting network problems such as TCP/IP, providing support for users in solving their problems.
• Performed all LVM and file system tasks like creation of Logical volume and file system, Mount a file system, Modifying size of a Logical Volume and file system, Removing a file system.
• Created RAID 1, 01 configurations on hardware RAID devices and RAID10, 5 using SVM, LVM, VxVM
• Managed System Firewall utilizing IP Chains, IP Tables. Implemented SSH SSL.
• Managed user disk usage by setting up quotas.
• Administered system logs and security logs.
• Creating Virtual Machine Profiles in Vcenter Server, allocating storage and installing Redhat Linux using kickstart.
• Administered Linux servers for several functions including managing Apache/Tomcat server, mail server, My-SQL database, and firewalls in both development and production.
• Performed documentation of Linux and Windows environment and configuration details including documentation of solutions for any issues dat have not been discovered previously.

Environment: Red Hat 5.x/6.x/7.x, CentOS 5.x/6.x/7.x, VMware Virtual Client 3.5, AIX 5.3, 6.1, Windows Server, XP, 07,08, DNS, NFS, SMTP, Veritas File System (VxFS), Web server Apache 1.3x, VMware, vSphere4.1/5.1.

Confidential

Linux Administrator

Responsibilities:

• Coordinated with DBA's in maintaining and resolving database related issues.
• Implemented and Configured LVM management.
• Collaborated with Engineering Team to build New Linux Servers.
• Automated system management tasks like user account creation, file system size monitoring, monitor system resources and system maintenance using Shell, and Perl scripts.
• Created network environments using TCP/IP, NFS, and DHCP.
• Performed live as well as manual OS upgrade from Red hat 3, 4 to red hat 5 and 6.
• Efficiency in installing, configuring, and implementing of RAID 0, RAID 1, and RAID 5 levels using Logical Volume Manager.
• Performing System Storage management/LVM tasks like creating volume groups, PV’s, LV’s and jfs/jfs2 Filesystems, mirroring, VG’s, LV’s and mounting filesystems.
• Expertise in security hardening (iptables/selinux) major Production Servers, and compiling, building and installing web server based Linux tools.
• Implementation of naming services like DNS with Bind.
• Troubleshooting and fixing teh problems related to systems, software and day-to-day regular maintenance tasks of teh system.
• Respond toemergency callsrelating to server performance, diagnosis of problems, repairing problems or calling upon appropriate vendors to resolve teh issue.
• Responsible forqualityreviewsandstandards.
• Expertise in Red Hat Linux backup/restore with tar including disk partitioning and formatting.
• Provided24x7on-call /RemoteSupportfor LINUX Production Problems on weekly rotation basis.
• Troubleshooting day-to-day server related issues and problems.

Environment: Red Hat 5.x/6.x, CentOS 5.x/6.x, VMware Virtual Client 3.5, AIX 5.3, 6.1, Windows Server, XP, 07,08, DNS, NFS, SMTP, Veritas File System (VxFS), Web server Apache 1.3x, VMware, vSphere4.1/5.1.