Linux System Engineer Resume
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Columbia, MO
SUMMARY
- IT Professional with 8 years of experience in the area of Linux Administration with expertise in Red Hat Enterprise Linux 4, 5, 6, 7, Red Hat satellite 6.1, Solaris 9,10,11AIX 6.1/7.1,Windows 2003, windows 7,windows 8.1,windows 10.
- Experienced in Installs, Upgrades, Patches, Configuration, performance tuning on UNIX, SOLARIS and system software & hardware.
- Experience in Linux Administration, Configuration Management, Continuous Integration, Continuous
- Deployment, Release Management and Cloud Implementations.
- Experience in CI/CD Tools like Jenkins, Hudson, Bamboo, Chef and Puppet.
- Build, implement and maintain system - level software packages such as OS, Clustering, disk, file management, backup, web applications, DNS.
- Efficiency in installing, configuring and implementing the LVM Technologies using various tools.
- Expertise in deploying various Red Hat Enterprise Linux versions.
- Familiar in automation using tools like Puppet.
- Expertise in Jumpstart and Kickstart installations for RHEL OE.
- Experience with Virtualization Technologies such as VMware for RHEL, Solaris Zones.
- Experience supporting applications like Apache, Tomcat, running on RHEL.
- Accomplished Disk Mirrors and RAID 0, 1 and 5 levels on several UNIX/LINUX servers
- Mounting file systems, un-mounting file systems and troubleshooting Disk space issues and experienced in Deploying RHEL 5/6 in an enterprise setting.
- Install databases like Oracle 10g, 11g, MYSQL on Linux and Solaris platforms.
- Experience in Creating and maintaining user accounts, profiles, security, rights, disk space and process monitoring.
- Experienced on Red hat Satellite Server with custom repositories to provide a stable management solution for the Linux environment.
- Creating and maintaining user accounts, profiles, security, rights, disk space and process monitoring File System servers with NFSwith Auto mount clients.
- Troubleshooting skills with network protocols such as DNS, TCP/IP, SMTP, and SNMP and worked SAN and NAS technologies.
- Coordinated with SAN Team for storage allocation and Disk Dynamic Multi-pathing (DMP).
- Knowledge in load balancing and setting up load balancer and firewall rules in and enterprise environment.
- Experience working with version control tools like SVN and GIT.
- Experience in implementation and maintenance of Amazon Web Services (AWS).
- Experience in installation, configuration and administration of Apache/Tomcat/lightpd/ngnix.
- Configuring and Administering DNS, NIS, LAMP and LDAP Red hat/CentOS server environment.
- Experience in Install and configuration of Web hosting administration HTTP, FTP, SSH, & RSH
- Installation of Database servers and user’s management such as Oracle, MYSQL, SQL Server, Disk space and File system management using Logical Volume Manager, ZFS and Monitor Disk space and space as needed in LVM.
- Worked on VERITAS Operations Manager (VOM).
- Knowledge of Open stack services such as Nova, Glance, Cinder, and Neutron.
- Planning and setup of Disaster Recovery Servers.
TECHNICAL SKILLS
- Hardware: Red - Hat Linux Enterprise servers, Red-Hat satellite 6.1, Solaris 9, 10, Windows 2003 server, Oracle RAC.
- Operating systems: Red Hat Linux (RHEL) 4/5/6/7, Solaris 9/103, Windows NT /2003/vista, windows 7,windows 8.1,windows 10
- Servers: Oracle,Sql,Mysql
- Script, Programming Languages: Shell scripts, Programming, C Programming.
- Web Technologies: Apache 2.x/3.x, Tomcat, Devops.
- Third-party Software: VERITAS Volume Manager, LVM.
- Cluster: Red Hat Cluster, Veritas Cluster Server (VCS).
- RDBMS: Oracle, MS SQL Server
- Antivirus: Symantec Antivirus Corporate Edition, Trend Micro Messaging Suite for Exchange, MacAfee Virus Scan Engine 7.1 / 8i, AVG (Grisoft)
- Databases: Oracle 9i,11g,MySql,SQL server 2007
- Remote Access Tools: Terminal Services, Net Meeting, Web - Ex, PC Anywhere and VNC for Windows Servers, Go-to Meeting.
PROFESSIONAL EXPERIENCE
Linux System Engineer/DevOps Engineer
Confidential, Columbia MO
Responsibilities:
- Installation, Configuration, Upgradation and administration of Sun Solaris, Red hat, SuSeLinux.
- Patching Red hat (5, 6), SuSe (10, 11, 12) Linux, Solaris (10, 11) and Aix servers.
- User account management and support.
- Responsible for configuring and managing server in Linux.
- Responsible for reviewing all open tickets, resolve and close any existing tickets using my services.
- Performing VCS failover.
- Worked on Change Creation and Change Implementation.
- Worked on doing Pre-checks on the servers.
- Documentation writer.
- Developed build using ANT and MAVEN as build tools and used CI tools to kick off the builds move from one environment to other environments.
- Experience in using TeamCity, Jenkins, Code Deploy for CI/CD pipelines, Experience in Jenkins and TeamCity to automate most of the build related tasks.
- Automated the monitoring, Configuration Management, Log Aggregation of the Systems and Centralizing SIEM with AWS Cloud Formation, Puppet, Nagios and Elastic Search.
- Working on various Docker components like Docker Engine, Hub, Machine, Compose and Docker Registry (Artifactory).
- RedHat and UNIX latest OS installation on different architecture of the servers
- Experience on physical servers migration to virtual servers using BrandedZones.
Linux Admin/Engineer
Confidential - Houston, TX
Responsibilities:
- Supported Linux /Solaris servers in production / stage / development environment.
- Technical Writer, need to write documentation.
- Implemented Puppet for software deployments.
- Experience Develop new security template in VMWare for Red Hat Linux 6.5 to meet existing security standard
- Creating the automated build and deployment process for application, re-engineering setup for better user experience, and leading up to building a continuous integration system for all our products.
- REDHAT Enterprise Linux 3, 4 Installation on various servers using Kick start and configuration & support for various applications run on Linux environment.
- Report status through JIRA tickets and track work effectively
- Day to day duties for UNIX/Linux server Maintenance and Support to developer’s team for their issues with application, tuning, troubleshooting, software running on UNIX/Linux Servers.
- Installation, configuration of Jenkins for Continual integration.
- Disaster Recovery operation setup & checkup at contracting facility
- Implementation of Syslog-NG for log monitoring.
- Developed build and deployment scripts using ANT and MAVEN as build tools in Jenkins to move from one environment to other environments.
- Implemented Spacewalk for patch management.
- Installation, configuration and maintenance of apache / Cloudera Hadoop nodes.
- Automation scripts for weekly and monthly backups in Perl and shell
- Linux Server monitoring for maximum availability using Nagios monitoring tools and taking steps to keep servers up and running under 24x7 environment for maximum uptime.
- Implemented Open stack Icehouse to provide private cloud environment.
- 24x7 support for the UNIX servers. Rotating on call pager responsibilities for Production environment.
- Importing and exporting data from HDFS. Build and Maintain the ETL Process for data movement to HDFS.
- Installed and configured Splunk for Nagios log monitoring.
Systems Admin/Engineer
Confidential
Responsibilities:
- Installation, Configuration, Upgradation and administration of Sun Solaris, Red hat Linux.
- User account management and support.
- Jumpstart &Kick-start OS integration, DDNS, DHCP, SMTP, Samba, NFS, FTP, SSH, LDAP integration.
- Responsible for configuring and managing server in Linux.
- Configuration and Administration of NIS environment. Managing file systems and disk management using Solstice Disk suite.
- Involved in Installing and configuring of NFS.Worked on Logic volume manager to create file systems as per user and database requirements.
- Trouble shooting the system and end user issues.
- Responsible for configuring real time backup of web servers. Log file was managed for troubleshooting and probable errors.
- Responsible for reviewing all open tickets, resolve and close any existing tickets using remedy.
- Document solutions for any issues that have not been discovered previously.
- Supported a large server and network infrastructure of Solaris, Linux and Windows environment.
- Managed installation, configuration, upgrades, and patch systems running OS such as Red hat, Fedora, Centos and Oracle Solaris.
- Working for DevOps Platform team responsible for specialization areas related to Chef for Cloud Automation.
- Utilized bash, Python and KSH shell scripting to automate daily system administration tasks.
- Researched to improve service performance and reliability through investigation and root cause analysis.
- Managed data backup of UNIX, Windows, Virtual servers, disk storage tier1 and tier2 backups.