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Sr System Engineer Resume

Mayfield Village, OH

SUMMARY:

  • Overall 7 years of experience as Linux/Unix system administrator/Engineer on Redhat EL 5.x, 6.x CentOS 5.x, 6.x, Suse, Oracle Enterprise Linux and VMware ESX environment. Experience in implementing and administering VMs using VMware ESX and vSphere 4.x, 5x 5.5x­­­­ and VCenter.
  • Extensive implementation and troubleshooting experience under Client Server Systems.
  • Experience on RHEL /5/6/7 implementation Administration, Installation &Maintenance.
  • Working knowledge on SUSE Linux.
  • Basic knowledge on Oracle Enterprise Linux
  • Configured Kickstart servers for complete hands - free installation of workstations, with custom profiles, begin/finish scripts and custom package suites/clusters.
  • Experience on installation of WebSphere application
  • Experience on installation of VMware ESX, migration of VMs from one host to another host, migration of VMs from one data storage to another data storage, patch management.
  • Working experience on Windows Active Directory and LDAP
  • Installation, Maintenance and Administration of Red Hat Enterprise Linux 6x and 7x using Kickstart, Puppet, and Ansible.
  • Installed/Configured/Managed Jenkins CI Automation
  • Experience on joining Linux server to Active Directory using Winbind and samba protocol.
  • Management of Puppet automation tool including installation of puppet agent on client server
  • Integration of various network related services like NFS, NIS, DNS
  • Work on security compliance of the servers which include TCP/IP vulnerability fix, security patches management, password policy using Confidential internal tool ITSAS
  • Installation and configuration of Apache, Tomcat on Linux
  • Server administration of Linux Installations.
  • Developed basic UNIX scripts using Bash and Perl
  • Monitor Disk space and space as needed in LVM.
  • Setup and administration of VERITAS Volume Manager and HA Clusters.
  • Troubleshooting skills with network protocols such as DNS, TCP/IP, SMTP, and SNMP.
  • Hands on experience with ticketing tools such as Remedy and Quick base.
  • Management of User accounts, System security, kernel performance monitoring and tuning
  • Basic knowledge of networking devices such as F5 load balance
  • Working Knowledge on version control system like Git, GitHub and SVN
  • File System servers with NFS with Auto mount clients.
  • Web /Application Server Tomcat, Apache
  • Developed basic UNIX scripts using Bash
  • Installation, configuration and maintenance of Dell and HP servers.
  • Management of User accounts, System security, change management and performance tuning.
  • Working Knowledge on Automatic Storage Management (ASM)
  • Monitoring and administering Red hat Linux servers
  • Knowledge on PHP/CPanel
  • Experienced in installation of Operating Systems, Packages and Patches, adding Peripheral maintaining user accounts, System Security, backup /recovery, performance tuning, troubleshooting at various levels.
  • Experience on monitoring tools like Nagios.
  • Basic knowledge on disaster recovery solution using various tools.
  • Experience on HP ProLiant ILO.
  • Basic knowledge on Chef
  • Basic knowledge of SAN and NAS technologies
  • Working knowledge on Tivoli Monitoring tools and backup.
  • Ability to handle multiple tasks and work independently as well as a team member
  • Provided on-call support and worked with Vendors on system issues and bugs for its resolution.
  • Proficient in System administration, System planning, co-ordination, commissioning, setting up security hierarchy and capacity planning.
  • Willingness to work on flexible hours for production, backup and on-call support for 24/7 environments
  • Good communication skills self-motivated with a high degree of attention, committed to work and have sound leadership quality­­­

TECHNICAL SKILLS INVENTORY:

Hardware: Confidential P520/p550/p670, DELL Power Edge 8450, 6650, HP DL 360 G3/G4/G5, HP DL 380

Data Base Servers: Oracle, 9.x, 10x, 11g, MS SQL

Networking: SNMP, TCP/IP, LAN, WAN, NFS, NIS, DHCP, and DNS.

Applications: Apache, Tomcat, Webshere, Oracle

PROFESSIONAL EXPERIENCE:

Confidential, Mayfield Village, OH

Sr System Engineer

Responsibilities:

  • Day to day system administration, configure and support Server in Dev, test and Production environments
  • Configure and monitor Intel Gateway Portal and API Portal running in Linux box.
  • Support Developers in Designing and configuring Rest API endpoint.
  • Primary support to all kind of issues for Linux Server running API Gateway and Portal
  • Installation and Configure
  • Worked on BMC Remedy ticketing system to manage Incident ticket, Work Order and Change Management.
  • Installation, Maintenance and Administration of Linux Servers.
  • Setting up corn jobs for the user to deploy scripts on Dev, QA and Production servers
  • On call Support UNIX/ API Gateway.

Confidential

Senior Technical Specialist, UNIX

Responsibilities:

  • Install and upgrade applications as per request of clients.
  • P2P migration of server using rear backup tool
  • Creation and Maintenance of User Accounts file systems and successfully created logins IDs on large number of servers
  • Setting up corn jobs for the user to deploy scripts on Dev, QA and Staging environment servers
  • Installation, Maintenance and Administration of Red Hat Enterprise Linux
  • Administration of RHEL 6 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting virtual server issues
  • Monitor Disk space and space as needed in LVM
  • Installed/Configured/Managed Jenkins CI Automation
  • Using Puppet and Ansible to automate user account on large number of servers
  • Installation, Maintenance and Administration of Red Hat Enterprise Linux 6x and 7x using Kickstart, Puppet, and Ansible.
  • Setup and administration of VERITAS Volume Manager
  • Basic understanding of Veritas Cluster
  • Servers support included NFS, NTP, FTP, user setup/troubleshooting.
  • Responsible for system configuration and installation of software applications, operating system upgrades.
  • Installation, Maintenance and Administration of Red Hat Enterprise Linux 6x and 7x using Kickstart, Puppet, and Ansible.
  • Worked on Service now ticketing system.
  • Monitoring and install or updates patch software’s, firmware, and security patches for all applications in installed infrastructure.
  • Experience on Storage migration, Storage migration pre-checks and Validation.
  • RPM and YUM package installations, patch and other server management.

Confidential, Ft Worth, TX

Linux System Engineer­­­

Responsibilities:

  • Day to day system administration to support 400+ Server in Dev, Test and Production environments
  • Administration of RHEL 6 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting virtual server issues
  • Performed automated installations of Operating System using Kick start for Linux.
  • Involved in applying Patches, Installing patch bundles on Red hat Linux
  • Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 5.5
  • NFS configuration & administration
  • Managing Disk File Systems, Server Performance, Users Creation and Granting file access Permissions
  • Good experience in creating physical volume, logical volume, volume groups using LVM in Linux
  • Worked on Installation/Configuration/Administrated VMware ESXi 5.0/5.5 and migrated existing servers into VMware Infrastructure
  • Installation, Maintenance and Administration of Red Hat Enterprise Linux
  • Servers support included NFS, NIS, NTP, FTP, Users setup/troubleshooting.
  • Activities include user administration; startup and shutdown scripts; Crontab, file system maintenance and automation using shell scripting for Red Hat Linux systems.
  • Responsible for system configuration and installation of software applications, operating system upgrades.
  • Creation and Maintenance of User Accounts file systems and successfully created logins IDs on large number of servers
  • Setting up corn jobs for the user to deploy scripts on Dev, QA and Staging environment servers
  • Worked on BMC Remedy ticketing system.
  • Provide 24x7 on-call /Remote Support for UNIX Production Problems.
  • Implementing appropriate permissions for files and folders and Managing Users and Groups
  • Monitor Disk space and space as needed in LVM
  • Worked on User administration setup, maintaining account, Monitor system performance.
  • Maintained and monitoring System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues

Confidential, Wayne, PA

Linux System Administrator

Responsibilities:

  • Day to day system administration to support 300+ Server in Dev, QA, Staging and Production environments
  • Primary support to all kind of issues for Redhat 5 & 6 Linux
  • Servers support included NFS, NTP, FTP, Users setup/troubleshooting
  • Implementing appropriate permissions for files and folders and Managing Users and Groups
  • Creation and Maintenance of User Accounts file systems and successfully created logins IDs on large number of servers
  • Installation, Maintenance and Administration of Red Hat Enterprise, CentOS and Oracle Enterprises Linux.
  • Monitor Disk space and space as needed in LVM
  • Patch and Package administration to keep the servers updated with the patches and that implementing packages developed for deployment
  • Limiting user account privileges using SUDOERS
  • Troubleshooting of day to day system and user problems various Servers on different platforms
  • Setting up corn jobs for the user to deploy scripts on Dev, QA and Staging environment servers
  • Basic Installation of WebSphere application and mange users and service account with nopassword option in Sudoers file to manage WebSphere application.
  • Basic installation of Database servers and Users management
  • Installation and configuration of Web /Application Server Apache-Tomcat
  • Monitoring and install or updates patch software’s, firmware, and security patches for all applications in installed infrastructure via Redhat network.
  • Management of Puppet automation tool including installation of puppet agent on client.
  • Work on security compliance of the servers which include TCP/IP vulnerability fix, security patches management, password policy using Confidential internal tool ITSAS
  • Configure and setup Linux server to join Active Directory using winbind and samba protocol
  • Responsible for system configuration and installation of software applications, operating system upgrades.
  • Adding SAN using multipath and creating physical volumes, volume groups, logical volumes
  • Installation and configuration of SAMBA x server for interface between Linux servers and Windows servers to share files
  • Work on installation of VMware ESX5.5 migrations of VMs and data storage, patch management, snapshot and template and clone
  • Configuring, administering and troubleshooting of NFS, AutofS
  • Monitored the servers and Linux scripts regularly and performed troubleshooting steps - Tested and installed the latest software on server for end-users.

Confidential, Denver, CO

Linux System Administrator

Responsibilities:

  • Day to day system administration to support 100+ Server in Production in development environments.
  • Primary support to all kind of issues for All of Unix and Linux
  • Maintained existing programs/scripts and extended Linux system functionality as needed.
  • Worked with Redhat for finding root cause on panic issues
  • Installation and configuration of SUDO package accomplished successfully across various Unix platforms.
  • Limiting user account privileges using SUDOERS.
  • Installation and configuration of Web /Application Server Apache Tomcat
  • Implementing appropriate permissions for files and folders and Managing Users and Groups
  • Troubleshooting of day to day system and user problems various Servers on different platforms
  • Implementation of VMware Infrastructure for Linux Red hat 5.2, 6.0 with VMware ESX 4.1x and building KVM Hypervisor.
  • Creation and Maintenance of User Accounts file systems and successfully created logins IDs on large number of servers.
  • Familiarity with configuring and using a Configuration Management product for Linux servers (e.g. Cobbler)
  • Servers support included NFS, NIS, NTP, FTP, users setup/troubleshooting.
  • Installed OS patch clusters and 3rd party application patches
  • Monitoring Disk space, adjust VxVM Configuration& add space as and when needed
  • Working knowledge of Remedy ticketing system.
  • Worked on the configuration of server monitoring tool like Nagios
  • Monitoring and install or updates patch software’s, firmware, and security patches for all applications in installed infrastructure.
  • Creation and Maintenance of User Accounts file systems and successfully created logins IDs on large number of servers
  • Administrated DHCP, DNS and Samba services in Linux.
  • Configuration, Administration and maintenance of NFS, DNS, NIS on Linux Servers.
  • Working on evaluating new hardware and software’s.
  • Provide 24x7 on-call /Remote Support for UNIX Production Problems.
  • Responsible for Installation of various Hardware Components on various servers.
  • Installation, Maintenance and Administration of Red Hat Enterprise Linux
  • Responsible in building and startup shell scripts, managing the automation of CRON jobs and managing file systems
  • Responsible for system configuration and installation of software applications, operating system upgrades and hardware

Confidential, San Jose, CA

Linux System Administrator

Responsibilities:

  • Installation and configured HPUX 11i v1 & v3, Red hat Enterprise Server 5 on Dell PowerEdge Blade servers and HP C6000, C7000 blade centers using Kickstart with PXE for LAMP (Linux, Apache, MySql and Perl/PHP) installations
  • Used Logical Volume Manager for the management of Volumes including creation of physical and logical volumes on Linux
  • Developed, customized and build RPMs on Linux for deployment on various servers through Software Development Life Cycle.
  • Patch and Package administration to keep the servers updated with the patches and that implementing packages developed for deployment.
  • Maintain Web Servers, file servers, firewalls and directory services
  • Installed and Configured SSH for secured access on Red Hat Linux Systems.
  • Configuring, administering and troubleshooting of NFS, AutofS (Direct and Indirect Maps), NIS (master, slave and client) and DNS in multi-platform networks
  • Monitoring System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.
  • Tuning the Kernel parameters for the better performance of applications like Oracle, Web Logic.
  • Performed application installation and configuration JBoss x4.,LDAP and Oracle 10g on Linux Server
  • Developed basic UNIX scripts using Bash and Perl
  • Experience in Socket level TCP-IP programming
  • Installation of SAMBA server for interface between Linux servers and Windows servers to share files.
  • Responsible for network troubleshooting and planning in a web hosting environment including the configuration of 3-Tier Environment
  • Creating, Deleting and managing user database and their respective directories.
  • Setting up Cron jobs for the user to deploy scripts on production servers.
  • Troubleshooting day-to-day server related issues and problems in terms of hardware, operating system, applications and network.
  • Worked on User administration setup, maintaining account, Monitor system performance.

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