SUMMARY:

• Hands on experience on operating systems like Linux (Red Hat, Ubuntu, and CentOS 7), Sun Solaris 9,10, 11, Windows XP.
• Completed and Technical Knowledge on SCCM 2007 Migration project to SCCM 2012. Designed layout, structure, naming conventions, Security, and configurations for 1 Primary, 4 Secondary, and 38 DP's.
• Bi - Monthly Microsoft security & critical updates with SCCM WSUS.
• Experience with Linux/Unix environment and scripting for Build and release automation.
• Experience in installing, configuration, support, upgrading and patching Linux servers using Red hat Satellite Server and also worked on registering different client servers and involved in building channels and pushing teh packages to master Red hat Satellite Server.
• Implemented a client-server model where a connection is established and client server using python.
• Installation of patches and packages using RPM and YUM in Red hat Linux.
• Experience in Linux and windows scripting like bash Perl and power shell.
• Extensive experience in installation, configuration and administration of Red hat Enterprise Linux and physical and virtual machines for versions 5.x and 6.x.
• Expert in building Red hat Linux physical and virtual servers & migrating and/or upgrading Linux servers from one OS release to another.
• Created and maintained user accounts, profiles, security, disk space and process monitoring and logical volume management on Linux.
• Set up Linux servers for LAMP implementations and readiness.
• Worked with a team of Datacenter Support to maintain OS and Hardware.
• In-depth noledge of computer applications and scripting like shell, Python, Ruby, Perl, and XML.
• Working experience with cloud infrastructure of AWS (amazon web services) and computing AMI virtual machines on elastic compute cloud(EC2).
• Configuration management, CI/ID and automated test implementation technologies: Jenkins, Git Hub, python, bash, shell, Power Shell, CentOS, Ubuntu, Windows.
• Install configure, modify, test and deploy applications on Apache web server, Boss, Ringing and tomcat and web logic across Linux platform
• Experience in working with software configuration management tools - puppet and chef.
• Basic working noledge in HTML AND CS.
• Installation of recommended patches like kernel patches, OS level patches, network patches on Linux servers etc.
• Configured & managed source code by Git and resolved code merging conflicts with application developers.

TECHNICAL SKILLS:

Scripting languages: python, bash shell scripting, java scripting.

Programming languages: c, c#, Jim (java virtual machine).

Operating system: Linux (Red hat, Ubuntu, Centos7), windows XP/7/vista.

Web & application server: MS SQL server, Apache Tomcat6.0/7.0, web logic, apache web server. Virtualization VMware, Virtual box.

Build/CI tools: Eclipse, Ant, Maven, Jenkins, Chef, Puppet, Docker, Expansible.

DeVops tools: AWS, Nagios, SVN rope, EC2 elastic search, S3, IAM, ROUTE 53.

Version control tools: Git Hub, SVN, perforce.

Methodologies: Agile scrum.

Other tool: Microsoft Office (word, Excel, Power Point, outlook), adobe.

Network protocols: TCP/PI, HTTP, CLAN, Routing and Switching.

PROFESSIONAL EXPERIENCE:

Sr Linux Administrator

Confidential - Los Angeles, CA

Responsibilities:

• Provided system support for RedHat Enterprise Linux 5.x/6.x, CentOS including routine maintenance, patching and system backups and restores, and software and hardware upgrades.
• Experience in developing scripts in various programming languages like Shell, Python, Ruby, Perl and PowerShell.
• Hands-On Experience with Cloud me.e. Amazon Web Services and Google Cloud Platform and migrated application to these cloud providers and load balanced between two providers for high availability.
• Updated kernel & security patches in Amazon Linux environment, handling out of memory issues in Linux kernels during rebalance in Kafka cluster.
• Worked with AWS service (EC2, ELB, VPC, S3, Cloud Front, IAM, RDS, Route 53, Cloud Watch, SNS).
• Successful completion of monthly projects including SAP installations, various software upgrades, SCCM 2007 migrations, HP server upgrades, and package developments.
• Did Continuous Integration, Continuous Delivery, Continuous Deployment multiple times a day as we follow scrum framework.
• Experienced in dealing with Windows Azure IaaS - Virtual Networks, Virtual Machines, Resource Groups, Traffic Manager, VPN, Load Balancing, Application Gateways, Auto-Scaling.
• Provided L2 level support for RHEL, & VMware tickets.
• Configuration, implementation and administration of Clustered servers on SUSE Linux environment.
• Developed, configured and created Plunk scheduled application management reports.
• Expertise in creating and managing Logical Volumes in SLES Linux.
• Performed User Account management, data backups, and user's login support.
• Experience in Servers consolidation and virtualization using VMware virtual infrastructure, VMware EXSI.
• General UNIX Systems Administration on Linux servers, including alert handling, deploying software releases backups, hardware and software installations.
• Package management using RPM, satellite management and YUM tools.
• Network trouble shooting using 'add', 'trace route', 'netstat', 'configure' and 'snoop' etc.
• Performed daily backups, restoration of data as per requests from developers using Symantec Net backup.
• Symantec File system and Symantec Volume Manager 2.5 are used to configure teh RAID 1 and RAID 5 Microsystems.
• Scheduling and managing jobs, patches and configuration files with Red hat Satellite Manager.
• Provided 24x7 supports through Trouble Ticket Handling.
• Installation, configuration of Oracle ARC for multiple computers to use single database
• Creating and maintaining user accounts, profiles, security, rights, disk space and process monitoring.
• Set up Linux servers for LAMP implementations and readiness.
• Team player with excellent communication and inter-personal skills.

Linux Administrator

Confidential - Miami, FL

Responsibilities:

• Administration of RHEL 6.x/5.x, Solaris which includes installation, testing, tuning, upgrading and applying patches, troubleshooting both physical and virtual server issues.
• Resolved teh merge conflicts in teh GIT branches when committing is done by multiple developers at teh same time.
• Installed, configured and Administered all LINUX servers, includes teh design and selection of relevant hardware to Support teh installation/upgrades of Red Hat (5/6/7) operating systems.
• Installed Jenkins on a Linux machine and created a master and slave configuration to implement multiple parallel builds through a build farm.
• Monitoring and debugging performance issues on different OS Linux (RHEL & Centos).
• Experienced with LAN administration including installing switches, and wireless routers.
• Deployed and implemented NIGHS, DHCP and DNS environment and implemented and maintained Proxy Server Understanding.
• Linux issues regarding samba servers and perform hardware and software install/upgrades.
• Installed and Configured Microsoft SQL Server database and attach a backup plan for it.
• Configured secure HTTP, for SVN source control, and back-end communication with Progress & SQL Database
• Deployed and maintained server’s autantication using LDAP, and Active Directory for different departments.
• Generated Ant, Perl & UNIX scripts for build activities in QA, Staging and Production environments.
• Maintained configuration files for each application for build purpose and installed on different environments.
• Automate build and deployments of version control tools with SVN, Git Hub, Jenkins, and/or Docker Hub.
• Provided 24x7 on call production support.
• Configured Node Manager to start and stop servers from admin console.
• Experience in RHEL/Windows Server provisioning, Upgrades, Patching, Configuration and Performance Tuning.

Unix Admin

Confidential

Responsibilities:

• Performed server installation and administration on AIX5.3 and Linux (RHEL4,5).
• Administrative tasks such as System Startup/Shutdown, Backup Strategy, User Management, Security and Network management.
• Performed teh administration of teh Domain Name Server (DNS) and configuration of teh Database Files for BrightStor.
• Experienced supporting teh SAN/NAS environments and administering Veritas Clusters.
• Monitoring and administration of EMC Symmetrix, DMX-4, DMX-3 DMX2000.
• Planned and Implemented EMC Symmetrix SRDF and Time finder solutions
• Troubleshooting Backup and Restore problems and performed day-to-day trouble shooting for teh end users on Solaris based applications.
• Creation / dissolving of Meta devicesStriped and Concatenated using SVM.
• Performed OS upgrades and Patch loading as and when required.
• Constant Monitoring of System Performance and managed file systems.
• Responsible for taking Backups using CA ARCserve.
• Responsible for working with Project Management team to implement new server builds, troubleshoot connectivity issues for servers in firewalls, etc.
• Responsible for Installation of various software such as Apache, tomcat on several servers.
• Performed scheduled incremental backups using CA Brightstor Arcserve.

Systems Admin (Intern)

Confidential

Responsibilities:

• Configured Jumpstart Enterprise Tool kit to provided Jumpstart installations on more than 100 servers and performed upgrades and troubleshooting of servers remotely.
• Field and Internal Support of HP & Compaq Desktops, Laptops, and Servers at various company locations.
• Server Virtualization using VMWare on HP Blade platform.
• Installed, Configured and supported Oracle HA resource groups in Veritas Clusters (VCS)
• Worked on CA NSM tool monitoring for monitoring various applications and networks.
• Managed disk storage with Veritas Volume Manager 6.x with Veritas File System (VxFS), upgrade of Veritas Volume Manager.
• Written Shell Scripts to collect teh System Performance Information, account information on a daily basis.
• Implemented NIS+ and NFS for administrative and project requirements.
• Set up teh thresholds on teh parameters (CPU/Memory/Disk/Network) and alerting teh users when teh usage reaches teh thresholds.
• Tuning teh kernel parameters based on teh application/database requirement.
• Configuring SUDO and granting root permission to users for performing certain activities.
• Troubleshooting of NFS servers, NFS Clients in Auto Mount Environment.
• Installed and configured Sun Cluster 3.0 & 3.1
• Configuration of Services such as FTP, DNS, SSH.
• Network Management tools like Remote login and Port Scanning.
• Installing and configuring DNS and DHCP servers.
• Expertise in taking internal backup by using backup tools.
• Worked on Solaris 10 container technology, configured separate zones for various applications.
• Involved in Implementing and Administrating enterprise level data backup and recovery.
• Designed and Implemented Backup solution for teh Network
• Installed and configured file and Application servers running on Sun servers
• Configuring and maintaining network services such as LDAP, DNS, NIS, NFS, Web, Mail, FTP
• Implementation of RAID 0/1/5 for creation of logical volumes using VERITAS Volume Manager in SAN Storage Area Environment
• Managed Network troubleshooting applications TCP/IP including Ethernet, IP addressing & Sub netting, routing
• Worked on creating user accounts, user administration, local and global groups on Solaris platform
• Created User Accounts and Network Shares. Configured SUN Workstations as Domain Clients.
• Administrated NFS, NIS, DHCP and DNS Samba services running on Sun Solaris and Red Hat Linux.
• Worked with Storage team to configure EMC SAN, NAS and ISCSI configuration.
• Managed Users for Solaris, HP-UNIX and Linux Servers and assigned rights to access network resources.