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Devops/linux System Engineer Resume

Charlotte, NC

SUMMARY:

  • Over 8+ years of experience on Linux, Fedora Linux.
  • Experience and Familiar with Virtualization technologies like installing, configuring, administering VMware ESX/ESXi and Citrix Xen Server/openstack. Created and managed VMs (virtual server) and also involved in the maintenance of the virtual server.
  • Understanding of networking concepts, (IE. Configuration of networks, router configuration and wireless security, TCP/IP, VPN, Content Filtering, VLANs, and routing in LAN/WLAN, Ethernet Port, Patch Panel and wireless networks.)
  • Experienced in installation, configuration, design and ongoing maintenance of Cisco router and switches.
  • Good knowledge on version control systems SCM, SVN and GitHub
  • 3+ Years JIRA Administrator with experience customizing JIRA projects with various schemas, complex workflows, screen schemes, permission schemes, and notification schemes etc.
  • Hands - on experience in Agile Scrum model waterfall models, XP Practices like Pair Programming and Test Driven Development (TDD).
  • Experience in Installing, configuring and maintaining Samba, Web Sphere& Web Logic Application Servers, Nagios and Chef.
  • Experience with Docker, Kubernetes and Red Hat Open shift for different infrastructure setup and testing of code.
  • Experience in using MongoDB for storing your data in tables and rows as you would with a relational database
  • DevOps micro service engineer (Docker, Kubernetes, Zabbix, Go microservices).
  • Experienced in supporting database systems including MySQL, PostgreSQL on Linux/Unix, and Windows environment
  • Hands on experience in Administrating CI/CD (Jenkins, Puppet, Chef) tools stack administration and maintenance
  • Hands on experience working with configuration management tools like Puppet, Chef and Ansible.
  • Actively involved in configuring puppet open source with several third-party applications.
  • Experience writing puppet manifests for apache installation and configuration as well as for various deployments.
  • Install Apache web server, configure and monitor it using Splunk for health check-ups
  • Supported AWS Cloud environment with 200+ AWS instances and configured Elastic IP & Elastic Storage and also experience working on implemented security groups.
  • Experience developing business solutions around Cloud Computing technology including Amazon Cloud Front, S3, EC2, Simple DB, Elastic Map Reduce, Right Scale and OpenStack
  • Experienced in Amazon EC2 setting up instances, virtual private cloud (VPCs), and security groups.
  • Experience in Server monitoring, capacity planning, application monitoring with the help of Tivoli, HP insight, Nagios, Cacti.
  • Experience in companywide PKI architecture for System Security-enabling Services.
  • Experience in the Functional Automation and Performance Automation of the API’s and the Web services, Web Applications using C#, .NET Framework, VS Unit Testing Framework, WCF, REST APIs, TAEF (Test Authoring and Execution Framework), MsTest, VSTT, Visual Studio Coded UI(RNP), KAF, and SQL Server
  • Responsible for Backup and Recovery operations of various servers using VERITAS Net Backup.
  • Working Knowledge on using and developing Shell, Perl and python, Ruby scripts used to automate day-to-day administrative tasks.
  • Extensive experience using MAVEN and ANT as a Build Tool for the building of deployable artifacts (war & ear) from source code.
  • Automated Deployment of security standards to largely distributed servers of varying OS via HPSA and puppet.
  • Installation and configuration of Web Application servers like Apache, Tomcat and WebLogic.
  • Have tested various Linux Environments in the Development/Test Stages to help create a better standardized environment and resolutions of any problems if any occurred.

TECHNICAL SKILLS:

Operating Systems: Linux (RedHat, CENTOS & SUSE), Solaris 10/9/8, HP-UX 11.0, 11.11, IBM AIX (4.3/5.x), HPUX11i V1, V2 & V3, VMWare ESX, SLES 8,9,10 & 11, Windows NT /2000/2003, MAC OS X 8/9.x/10.x.

Hardware: M5000, M8000, T5220, T5240 Sun E15K, E25K, Sun Fire 6800/4900/3800, Sun Fire 490/280, v880/v890, Sun Enterprise Servers E6500, E4500, E3500, Work Group Servers E450, E420, E250, E220, Netra 1405, Netra X1, Ultra 80, 60, 30, 10, 5, 2, 1, Intel Servers

Networking: TCP/IP, NIS, NFS, FTP, DNS, DHCP, Samba, Apache, SMTP, SSH, IP-Tables

WEB Technologies: Tomcat, APACHE 2.x, 3.x, Jboss, Web Logic (8/9/10) & Web Sphere 4.0/5.0

Programming, Scripting Language & Databases: RDBMS, MySQL, Oracle, Sybase, MSSQL, C, UNIX Bash & Shell Scripting, Perl Scripting, Python, Ruby, HTML, VB

Backup Management: Veritas Netbackup 4.x/5.x/6.x, Ufsdump, Ufsrestore, TAR, cpio, dd, Tivoli, Symantec Netbackup 7.x

Third Party Software: VERITAS Volume Manager, VERITAS Cluster Service (VCS), HP Service Guard, Sun Cluster, EMC Storage, RAID Technologies, SSL, Splunk, Puppet, Jenkins, GIT, JIRA, SVN

Protocols: TCP/IP, UDP RIP, OSPF, EIGRP, IGRP, SNMP, SMTP, TELNET

PROFESSIONAL EXPERIENCE:

Confidential, Charlotte, NC

DevOps/Linux System Engineer

Responsibilities:

  • Installation and configuration of Red Hat Linux, oracle Linux, on new server builds as well as during the upgrade.
  • Experience with VMware vSphere ESXi 5.5
  • Deploying Oracle Linux, Red hat Linux, and windows servers in fast paced environment.
  • Creating the template for the Linux those are used for deploying for the environments.
  • Worked on System audit report like no. of logins, success & failures.
  • Remotely coping files using sftp, ftp, scp, winscp, and filezilla.
  • Responsible for CI/CD process implementation using Jenkins along with Shell scripts to automate routine jobs.
  • Used Puppet Enterprise edition for configuration management.
  • Wrote shell scripting to automate task all across servers through Puppet.
  • Actively involved in configuring puppet open source with several third-party applications.
  • Worked on installation and maintenance of Puppet-based configuration management system.
  • Worked on implementation of Puppet modules to automate configuration of a various services.
  • Experienced in tasks like managing User Accounts and Groups, managing Disks and File systems.
  • Worked with Dockers and Vagrant for different infrastructure setup and testing of code.
  • Participated in the migration planning, developing, testing and moving the migration process onto full-fledged production network
  • Help customers build scalable, resilient, and high-performance applications and services on AWS
  • Migrated the bulk of the company’s production systems to AWS
  • Managed logical Volume manager on Red hat Servers
  • Worked on Configuring & monitoring DHCP server.
  • Experience in installing, integrating, tuning and troubleshooting Apache and Tomcat application server.
  • Worked on EMC storage for the virtual machine.
  • Troubleshoot the build issue during the Jenkins build process.
  • Experience in design micro services deployment using Docker.
  • Developed build and deployment scripts using ANT and MAVEN as build tools in Jenkins to move from one environment to other environments.
  • Install Apache web server, configure and monitor it using Splunk for health check-ups
  • Performed regular installation of patches using RPM and YUM.
  • Maintained LVM, VxVM and SVM file systems along with NFS.
  • Worked with SVN and GIT for version control to manage chef code and revisions in a repository.
  • Performed application installation and management on Linux servers for applications like JBoss 4.2.x, 5.x, Oracle
  • Experience on deploying Hosted Chef-Server on AWS for managing AWS EC2 instances.

Environment: OEL 5.x/6.x, RHEL 5.x/6.x, Cent OS 5.x/6.x, Windows Servers 2k8r2/2012, ESXI 5.1/5.5, VMware VCenter & Vsphere, Jenkins. Puppet, GIT, LVM, Samba Winbind 3.x, Centrify, NFS, NIS, JDK 5.x/6.x/7.x, DIG, netstat, lookup, splunk, tcpdump, Bash, Shell, Tomcat and ApacheConfidential, Jacksonville, FL

System admin/ DevOps Consultant

Responsibilities:

  • Experience in vSphere 4.1, 5.0, 5.1 /ESXi 4.1, 5.0, 5.1deployment and management.
  • Advance Scripting skills in Ruby, Perl and Bash Shell.
  • Day to day system administration to support 100+ Server in Production in development environments.
  • Integrated ESXi hypervisor with openstack.
  • Primary support to all kind of issues for All of Unix and Linux
  • 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 Tomcat and Apache
  • 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.
  • Familiarity with configuring and using a Configuration Management product for Linux servers (e.g. Cobbler)
  • Implemented Micro services architecture by breaking down monolithic services for CD without visible impact to entire product
  • Supported servers, which included NFS, NIS, LDAP, NTP, FTP, DHCP, MTA and user’s setup/troubleshooting.
  • Extensively worked on continuous integration tool like Jenkins and Bamboo for end-to-end automation of various build and deployments.
  • Monitoring Disk space, adjust VXVM Configuration& add space as and when needed
  • Working knowledge of Remedy ticketing system.
  • Extensive usage of cloud server instances and storage from Amazon web services (AWS) to enable client web applications.
  • Used groovy and spring boot to collecting the data from users and packaged the data as Json distributed to 43 applications.
  • Worked on installation and configuration of DevOps tool Puppet.
  • Used puppet to automate the applications across the environment.
  • Wrote various puppet manifests for deployment, automation.
  • Design and Implemented Cloud Orchestration solution using AWS & Docker.
  • Worked on Launching Amazon EC2 Cloud Instances using Amazon Images (Linux/ Ubuntu) and Configuring launched instances with respect to specific applications.
  • Supported 200+ AWS cloud instances running Ubuntu, Redhat and Windows environments.
  • Worked on the configuration of server monitoring tool like Nagios.
  • 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.
  • Installation, Maintenance and Administration of Red Hat Enterprise and CentOS.
  • Responsible in building and startup shell scripts, managing the automation of CRON jobs
  • Responsible production support of LDAP, Domain users, Users and groups and given appropriate permissions, shares and privilege to access LAN and Domain environment.
  • Implemented Redhat Conga Clustering for Apache Web Servers, Puppet, Git, SVN.
  • Installed and Implemented VMware ESXi 4.0 host servers with vSphere Client, vSphere CLI. Configured HBAs and iSCSI SAN storage.
  • Configure vNetwork Standard Switches, vSS Policies, and Shared storage for vSphere.
  • Experienced with JIRA for change management and bug tracking.
  • Manage Virtual Machine Clones and Templates, plan and implement VMware Fault Tolerance
  • Participated in the migration planning, developing, testing and moving the migration process onto full-fledged production network

Enivornment: RHEL 4/5, IBM AIX 4/5, AIX 4.x, SUN E10K, M4000/M500, E4500/5000, E35000, Hitachi 9980v, ESX 4.x, kickstart, micro services, usfdump, NFS< VERITAS Volume Manager, Web Sphere, Web Logic, Jboss, Tomcat, DNS, netstat, nslookup, DIG, SMTP, MYSQL, RDBMS, samba Winbind, LAMP, Kron, Bash.

Confidential, Lansing, MI

System Engineer

Responsibilities:

  • Administration and maintenance of Red hat Linux
  • Worked on Oracle and MySQL Databases and performed performance tuning and troubleshooting.
  • Worked on User administration setup, maintaining account, Monitor system performance.
  • Activities include user administration; startup and shutdown scripts; crontab, file system maintenance, backup scripting and automation using Perl, shell scripting (bash, ksh) for Red Hat Linux systems.
  • Experience in system Software installation and configuration of NFS shares, Auto-Mounter, DHCP and LDAP
  • Created and modified Veritas Cluster Service Groups and managed switchover from node to node and justas importantly, from interstate primary and DR sites
  • Manage logical Volume manager on Red hat Servers.
  • Troubleshooting day-to-day server related issues and problems in terms of operating system, applications and network
  • Experience in migrating old server to HP Blade system server.
  • Configure RAID mirroring on Linux platform
  • Maintained and monitoring System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues
  • Configuration and Administration of Load balancers and F5's, taking servers in / out of rotation.
  • Installation of VMware ESX3.5.x4.0x infrastructure on Dell Power Edge Server and administration of VMs
  • Experience in installing, integrating, tuning and troubleshooting Apache and Tomcat application server.
  • Performed application installation and management on Linux servers for applications like JBoss 4.2.x, 5.x, Oracle
  • Managing IT department's LAMP stack and configuration management.
  • Provided documentation, development and management of web products and interfaces for retail processing. Programmed user interfaces that combined System platform with LAMP.
  • Configuring, administering and troubleshooting of NFS, AutoFS (Direct and Indirect Maps), NIS (master, slave and client) and DNS in multi-platform networks.
  • Worked on the configuration of mail server using Send mail 8.10.x, 8.11.x.
  • Installation of SAMBA 3.3.x server for interface between Linux servers and Windows servers to share files.
  • Install and configure SSH to enable secure access to the servers.
  • Modified the Linux kernel to add tracing probes for Configuration access tool.
  • Environment, Command line, Current working directory, root directory, executed command.
  • Experience in Shell scripting bash to automate system administration jobs

Enivornment: RHEL 4/5, Solaris 8/9, IBM AIX 4/5, AIX 4.x, SUN E10K, M4000/M500, E4500/5000, E35000, Hitachi 9980v, ESX 4.x, kickstart, usfdump, NFS< VERITAS Volume Manager, Web Sphere, Web Logic, Jboss, Tomcat, DNS, netstat, nslookup, DIG, SMTP, MYSQL, RDBMS, samba Winbind, LAMP, Kron, Bash.

Confidential, Minneapolis, MN

Linux Administrator

Responsibilities:

  • Administered, maintained Red Hat 4.0, 5.0AS, ES, CentOS 5.3/5.4 troubleshooting hardware, operating system, applications & network problems and performance issues.
  • Installed, configured and maintained Solaris servers.
  • Deployed latest patches performed Red Hat Linux, Oracle Linux, as well as Kernel Tuning.
  • Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers on AIX and Linux servers.
  • Migrated database applications from Windows 2000 Server to Linux server.
  • Implementation of Samba to help printing and file sharing in the mixed Environment.
  • Installing and setting up Oracle9i on Linux for the development team.
  • Provided production support of Apache and JBoss including installation, configuration, and management and troubleshooting.
  • Implemented virtualization using VMware in Linux on HP-DL585 and IBM-z/VM series.
  • Linux kernel, memory upgrades and swaps area and performed Red hat Linux Kickstart installations
  • Implemented day-to-day tasks in Red Hat Linux that include upgrading rpms, kernel, HBA driver, configuring SAN Disks, multipathing and LVM file system
  • Created users, manage user permissions, maintain User & File System quota on Red Hat Linux, CentOS and AIX.
  • Worked on Webservers; JBoss, Tomcat 5.x/4.x/3.x & Apache Server 2.x/1. x.
  • Apache/Tomcat server, mail server, MySQL database, and firewalls in both development and production.
  • Developed Korn and Bash shell-scripts to automate routine activities.
  • Configured and administrated Lpar’s/DLpars’s.
  • Data Warehousing and System Backup using tar, cpio for local systems and Veritas Netbackup for enterprise wide backup and recovery.
  • Manage systems using remote consoles like ILO for HP Hardware and HMC for IBM P-Series.
  • Setup network printers and installed client/server applications. Defined/setup network protocols, Network File Services (NFS), and Network Information Services (NIS) in Linux and AIX systems.
  • Network trouble-shooting using ‘ndd’, 'traceroute', 'netstat', 'ifconfig' and 'snoop' etc.
  • Provided support by 24x7 shift rotation basis and pager support.

Environment: Red Hat Linux 4.0,5.0 AS ES, CentOS 5.1/5.2/5.3,AIX HP-DL585, Solaris10, HACMP, Net backup, SAN Storage, 4.5.5, Oracle 9i, Samba, NT/2000 Server, WebSphere, Web Logic 8.1, VMware ESX 2.x,Tomcat, Apache Server 1.x,2.x,Jboss 5.0

Confidential

UNIX Administrator

Responsibilities:

  • Installed, Configured and maintained Red Hat Linux, CentOS, AIX and Solaris servers.
  • Support to Red Hat Linux ES 4.x, 5.1, 5.2 and CentOS on various IBM hardware Servers.
  • Installed and configured VMware ESX server on Solaris servers.
  • Installation of Oracle Linux server as a firewall and Internet proxy server.
  • Implementation of Samba to help printing and file sharing in the mixed Environment.
  • Remotely managed Linux servers using ILO, DRAC, and Virtual Console Center.
  • Managed networking between Linux and Windows environment.
  • Have experience in working with various Linux machines which hosts various messaging services like mailing lists, mass email systems, and Imap services.
  • Design, implementation and regular maintenance of VXFS, VVM and VERITAS Cluster,MC/Service guard Packages, load balancing.
  • Configuration and administration of Fiber Card Adapter’s and handling of SAN (SAN arrays, HITACHI, EMC)
  • Scheduling of Daily, weekly, Monthly backups using Omni Backup, VERITAS Net backup 3.4 and TSM Backups.
  • Shell Scripting for automating the System Admin tasks.
  • Installation & Maintenance like replacing bad disks including bootable disks, OS, patch installation, Configuration of DNS, auto mount, and NIS and NFS services.
  • Created users, printers and assigned user profiles and responsibilities to users.
  • File system management over SAN (EMC).
  • Troubleshooting VMware ESX server related issues, maintaining their virtual server environment, creating and deleting virtual servers.
  • Worked on Ticket based problem management.
  • Excellent working knowledge in implementing LDAP security models using Netscape LDAP and IBM secure way (LTPA).

Environment: Red Hat Linux 5.1,5.2,CentOS 4.6/4.7, IBM X-series and IBM Blade JS 21 X series 3755, Red Hat Enterprise Linux 3/4/5, Samba, EMC, manager, Net backup

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