SUMMARY

• Overall 10 years of IT experience with expertise in areas of DevOps Engineering, AWS Cloud computing, Linux Administration & Software Development Lifecycle including but not limited to Cloud Infrastructure Management, Automation, CI/CD, Build & Release Management and Artifacts Deployment.
• Expertise in System Administration working on RedHat Enterprise Linux, SuSE Linux, Ubuntu, AIX, Sun Solaris and Windows environments.
• Experience in Installation, Configuration, Backup, Recovery, Maintenance, and Support of Solaris, Ubuntu, Windows,Linux servers.
• Experience in Installing, upgrading and configuring Red Hat Linux 5.x, 6 and 7 using Kick start Servers and Interactive Installation.
• Experience in Installing, upgrading and configuring SUN Solaris 9, 10 and 11 on Sun Servers using Jumpstart Servers, Flash Archives and Interactive Installation.
• Well versed in working effectively with project teams operating under different silos and delivering an integrated and automated environment for the complete SDLC.
• Excellent Understanding of Software Development Life Cycles (SDLC) like Waterfall and Agile Scrum.
• Experience in working on source controller tools like GIT, Subversion and Stash. Strong knowledge of source controller concepts like Branches, Merges, and Tags.
• Experience in building CI/CD pipeline, upstream/ downstream projects, multi - branch pipelines with the help of Jenkins and setting up Maven/ANT repositories and to automate everyday builds.
• Written Jenkins files to support Pipeline Job's and Configuring Multi-Branch Pipeline Jobs to automate Build and deployments by watching Developers Code commits.
• Having good Experience in Configuration Management tools like Ansible Chef for Deployment Application servers in multiple environments.
• Good knowledge on scripting languages like Python, Shell, Perl
• Excellent working knowledge with designing installing and implementing VMware ESX Server, VMware Virtual Center, VMware vSphere, VMware Infrastructure client and other products for Virtualization.
• Worked on OS migrations, upgrade and BIOS and NIC firmware upgrades.
• Worked with Database administrators to tune kernel for Oracle installations.
• Experienced in Installing, Configuring and Managing Docker Containers, Docker Images for Web Servers and Applications servers such as Apache Tomcat using Docker and integrated with Amazon MySQL RDS database.
• Experience in Sun Solaris 10(Creation of Zones, Service Management Facilities, Virtualization, Container based).
• Experience with Veritas Volume Manager (VxVM), Veritas File System (VxFS), Veritas Net Backup, Veritas Clustering, Red Hat Cluster, MC Service Guard with SAN, NAS environment.
• Experience in installing, configuring and implementing the RAID technologies using various tools like VxVM and Solaris volume manager.
• Configuration and administration of Fiber card Adapter’s and handling of SAN (EMC, Hitachi, and Netapp).
• Expertise in system and network monitoring tools Nagios and eHealth.
• Experience in Creation and managing user accounts, security, rights, disk space and process monitoring in Solaris and Redhat Linux.
• Installation and up gradation of Packages and Patches configuration mgmt, version control, service pack. & reviewing connectivity issue regarding security problem.
• Experience in configuration of NIS, NIS+, DNS, DHCP, NFS, LDAP, SAMBA, SQUID, send mail, ftp, remote access, security management and Security trouble shooting skills.
• Installing, configuring, administering FreeIPA on Unix, Linux clients.
• Worked on automating, creating, provisioning code/deploying applications using salt stack
• Experienced in Configuring Sun SMC, ALOM, ELOM and ILOM’s.
• Experience in Installation and Configuration of JBoss on Sun Solaris and Red Hat Servers.
• Experience in Installation of Oracle and MYSQL.
• Experience on Multipathing Software (EMC Power path)
• Experience in implementing the workload Management (WLM) using cloning and clustering.
• Experience in writing shell scripts to automate the administrative tasks and management using cron and at.
• Expertise in scripting for automation, and monitoring using Shell, Python & Perl scripts.

TECHNICAL SKILLS

Operating System: Red Hat Linux 5, 6 & 7.x, AIX 5.3/5.1/6, Sun Solaris 9, 10 & 11.x Ubuntu and Windows.

Hardware: Sun Ultra Enterprise Servers (E3500, E4500, E450, E420R, E250), Sun Fire (6800/4800/ 3800/ v880/V480/V100/V210/V240/V440/280R/15K/25K), Sun workstations (Ultra 5, 10, 20, Blade 100,150, 2000). Sun Store Edge D1000 & A5000, Confidential P Series and F series, Confidential RS 6000. HP 9000, HP ProLiant DL580 and DL380, Blades, HPC Systems E2208, HiPerStation 8000, Sun Blade, Confidential Blade, Confidential P Series and Dell Power Edge.

VMware: VMware Infrastructure Client and VMware ESX Server 3.x/4.x/5.5

Disk Management Tools: Solaris Volume Manager (SVM), ZFS, Zones, Veritas Volume Manager, File system, Sun Solstice Disk Suite, Red Hat LVM.

Cluster: Veritas Cluster 5/4/3 (VCS), Sun Cluster 3.0, Oracle RAC 11g (OCFS, ASM, raw devices), Red Hat Cluster Suite.

Network Protocols/Services: LDAP, TCP/IP, UDP, FTP, SFTP, HTTP/HTTPS, SSL, NIS, NIS+, NFS, DNS, and DHCP

Programming Languages: Korn Shell (ksh), Python, PHP and Perl.

Mail Server: Send Mail, Confidential Lotus Notes, Microsoft outlook.

Architecture: Microsoft Office, Project, Visio, Configuration Mgmt, Asset, Request, and Knowledge Mgmt.

SDLC Methodologies: Agile (Scrum) and Waterfall.

Monitoring Tools: Nagios and CloudWatch.

CI Build Tools: Ant, Maven and Gradle.

Versioning Tools: GIT, Bit Bucket and Subversion.

Integration Tools: Jenkins and Hudson.

Configuration Management Tools: Ansible, Chef and Puppet.

Virtualization Tools: VMware vSphere, VMware Workstation, XEN, KVM, Vsphere client

Web/Application Server: Apache, Tomcat, JBoss, WebLogic, Jetty, iPlanet, WebSphere MQ, portal servers, Confidential HTTP Server, Confidential Glassfish, Microsoft IIS.

Containerization Tools: Docker and Kubernetes.

Public and Private Cloud Infrastructure: Amazon Web Services and Openstack.

PROFESSIONAL EXPERIENCE

Confidential, Chicago, IL

Sr. Systems Operation Engineer

Responsibilities:

• Provided 24/7 on call support on UNIX Production Servers. Responsible for maintaining UNIX security on Solaris and Linux.
• Installed, upgraded and configured Solaris, RHEL, AIX. This included Jump Start Installation, Kick start Installation, NIM and CD media.
• Experience in Branching, Merging, Tagging and maintaining the versions using tools like GIT.
• Analyze and resolve conflicts related to merging of source code for GIT.
• Worked on Maven to create artifacts from source code and deploy them in Nexus central repository for internal deployments.
• Developed continuous delivery product release pipelines using Jenkins, and enable release and operations automation using Ansible.
• Responsible for installing Jenkins master and slave nodes. Configuring Jenkins builds for Continuous Integration (CI) and Continuous Deployment (CD).
• Written Ansible Playbooks to configure, install software and other packages on to the application.
• Used Ansible Python Script to generate inventory and push the deployment to AWS Instances.
• Involved in building own PAAS with Docker, deployed various applications through Dockers containers.
• Used Containerization tools like OpenShift, Docker and Kubernetes for automated deployments, scaling and management of containerized applications across clusters of hosts.
• Scheduled, deployed and managed container replicas onto a node cluster using Kubernetes.
• Converted all Cloud Formation template to Terraform for infrastructure as code.
• Written Terraform modules for automating the creation of VPC's and launching AWS EC2 Instance.
• Experience in IaaS managing Amazon Web Services (AWS) infrastructure with automation and configuration management i.e. Ansible.
• Designed AWS Cloud Formation templates in JSON to create custom sized VPC, subnets, NAT to deploy Web applications & database templates.
• Implemented the alert setup system for system/application performance using the Splunk.
• View logs using Splunk, monitoring with app dynamics.
• Worked on Jira for tracking and updating the Jira tickets and per assigned.
• 24/7 support for application deployments and support of lower level environments.
• Installed and configuration of VxVM, VxFS and VCS on various Servers.
• Installed Patches/Packages on and Solaris Servers and RPM packages on Linux Servers.
• Management of UNIX user accounts, groups, directories and file permissions.
• Administration of DHCP Server to get the IP Addresses Dynamically.
• Configuration and administration of DNS, LDAP, NFS, NIS, NIS+, Sendmail and Weblogic in Solaris and Linux.
• Configuration and Maintenance of AutoFs.
• Installed Web Logic 10.3 with SP5 Server and configured Domains, Admin and managed servers for applications to be deployed.
• Tested and implemented Veritas Root disk migrations and up gradation for most of the systems whose hardware has been upgraded during move.
• Configured/Maintained Zones, ZFS file system, Zone administrative commands: zpool, zfs, zonecfg and zoneadm on Sun Solaris 10 Servers.
• Worked on Puppet modules, manifests, creating Puppet profiles, and updating the clients per clients’ requirements.
• Taking Backup and Restoring the data using dump and ufsdump.
• Solaris Performance Monitoring and Tuning using iostat, vmstat and netstat.
• Scripting for automating changes during move to speed up process.
• Configured TCP/IP, LDOMs, Zones for Solaris 10, 11 systems.
• Responsible for Monitoring and fine tuning system and network performance for Solaris systems.
• Installed Configured EMC disk devices on HP and Solaris Servers.
• Documenting each step and testing procedures before the migration.
• Worked on VMware 5, creating VMs, adding resources, performing VMotion across ESX hosts, adding storage to datastores to the ESX hosts.
• Documentation of different workflows in Confluence.

Confidential, Chicago, IL

Systems Support Analyst / Systems Administartor

Responsibilities:

• Extensive experience on Implementations, troubleshooting, and proactively monitored Red Hat systems for the Enterprise.
• Hands on experience on installation and configuration: Linux, Red Hat Enterprise Linux 6/7, SLES, CentOS, Ubuntu.
• Installation of Patches on the servers running different applications and validating that the server is fully patched with all firmware and OS critical updates.
• Created users, manage user permissions, maintain User & File system quota on Linux servers.
• Worked on Failover clustered servers for RED HAT clusters.
• Deployed Puppet agent, Puppet Dashboard, and Puppet DB for configuration management to existing infrastructure.
• Configured Multipath for SAN. Recompile the RDAC driver once harden the server.
• Worked on migration of VMware ESXi 4.0 to vSphere ESXi 4.
• Performed server rack mounting and managed /retired old rack optimized servers.
• Creating profiles in puppet and pushing them across all the servers in Unix and Linux environment.
• Wrote Shell Scripts to check the security setting of the server and changing the server settings
• Acquired & Initialized LUNs in clustered & standalone environments.
• Installation and configuration of tomcat and Apache Web Server.
• Configuring IP connectivity, routing, checkpoint firewall and network interfaces. Also maintaining network connectivity of servers.
• Implemented Network File System (NFS) for file sharing and network installation
• Day to Day activities included handling Security issues like stale UNIX account Cleanups, 90 day password changes, setting max age and min age, creating a list of umask permission for various users and troubleshooting, Patching, Upgrades and Back-ups when required
• Responsible for backup of all servers and recovery of all servers.
• Configured clustering by using Veritas Cluster Server (VCS).
• Managed Storage Area Networks (SAN). Managed nodes running under SAN environment through HACMP
• Collect and analyze current system settings. Evaluate, test, and deploy audit remediation settings.
• Monitor ticket queue to attend user and system calls, attend team meetings, change control meetings to update installation progress, and for upcoming changes in environment.
• Documented all the steps done as part of the Server Hardening process
• Create change order request and exception request for Hardening production servers and resolve it once Hardening is completed.
• Involved in testing of all new versions of TSM Servers / Clients and recognized the issues before implementing in production servers
• Assessed the possible faults & causes by conducing pre-determined health & operational checks
• Generated scripts for automation of TSM jobs & reporting about TSM tasks
• Analyzing and resolving all long pending issues and identifying the root cause
• Engaged in tuning of all TSM Servers & TSM Clients to fix the performance related issues and handled the follow-up for best practices.
• Implementation of Samba to help printing and file sharing in the mixed Environment.
• Building Physical as well as Virtual (VMware) Servers.
• Mass Build of Linux OS servers using kickstart /jumpstart automation application.
• Monitored System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.
• Patch Management, Package Installation/Upgrades and Kernel upgrades.
• Monitored System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.
• Configuring multipath, adding SAN and creating physical volumes, volume groups, logical volumes.
• Installed & configured containers, zones with in the SUN Solaris 10 Zetta Byte File System(ZFS). Used the Solaris 10 Service Management Facility (SMF) to simplify management of various system services.
• Configuration and administration of LDAP, NFS and NIS in Linux and also implemented Samba for sharing of resources between Linux and Windows environments.
• Experience with Splunk Searching and Reporting, Knowledge Objects, Administration, Add-On's, Dashboards, Clustering and Forwarder management.
• Writing shell scripts for Automated Back- ups and Cron Jobs.
• Worked with DBAs on installation of RDBMS database, restoration and log generation.

Confidential, Irving Texas

Unix Systems Administrator

Responsibilities:

• Installation, configuration and Administration of Redhat Linux Servers, Ubuntu, HP-UX and Solaris Servers.
• Worked on Server migration/Data Center move projects in various stages for all Linux Servers.
• Acquired comprehensive requirements from Project Managers, Team Leads pertaining to the servers to be migrated.
• Coordinated with the Storage, Network and Hardware teams on server provisions
• (HP Proliant DL385/585 G5, G6 servers, and HP BL465C G5 blade centers).
• Utilized Remedy for data center service requests (Network requests for IP’s, ILO’s, and DNS changes).
• Build and configured migrations of Linux (V2V, P2P and Lift and Shift on RHEL).
• Automated server building using System Imager, PXE, Kick start and Jumpstart.
• Installed and configured Solaris 10 servers with Zones and containers with SUN ZFS.
• Setup and configure failover load balancing using IP bonding for network cards.
• Working on Volume management, Disk Management, software RAID solutions using VERITAS Volume manager. File system Tuning and growing using VERITAS File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• Updating YUM Repository and Redhat Package Manager (RPM).
• Applied appropriate support packages/patches to maintain system integrity.
• Setting up cron schedules for backups and monitoring processes.
• Troubleshooting and administering High Availability using Redhat Cluster, VERITAS Cluster Server on various business critical database & application production servers.
• Monitored Linux server for CPU Utilization, Memory Utilization, and Disk Utilization for performance monitoring.
• Setup NFS file systems and shared them to clients.
• Troubleshooting and configuring NAS and NFS mount points.
• Performed capacity analysis, monitored and controlled disk space usage on systems.
• Monitored system activities and fine tuned system parameters and configurations to optimize performance and ensure security of systems. .

Confidential, Chicago, IL

Unix Linux Systems Administrator

Responsibilities:

• Installation, Configuration & Upgrade of Solaris 10, Ubuntu, AIX, HP-UX and Linux and Oracle database.
• System Administration on RedHat Enterprise Linux, SuSE Linux, Ubuntu, AIX, Sun Solaris and Windows environments.
• Building Physical as well as Virtual (VMware) Servers
• Installation of patches and packages.
• Installation and Configuration of VERITAS Storage Foundation, for managing volumes and RAID levels.
• Maintaining of VERITAS Cluster Server and HP service Guard for high available systems.
• Creating Users, Groups. Writing Shell script to do automatic addition and removal of users and groups.
• Creating and maintaining Solaris 10 ZFS and LDOM.
• Managing File Systems per Database requirement
• Worked on Solaris 10 Container Technology. Created and maintained local zones.
• Used Solaris 10 SMF utility to manage services in Solaris 10.
• Worked and Scheduled Korn Shell scripting for automating jobs.
• Disk and File System Management through VERITAS Volume Manager and Solaris Volume Manager.
• Configured High end servers like Sun Sparc Enterprise M8000/9000.
• Automated installation using jumpstart and ignite.
• Patch management for Solaris and HP-UX servers.
• Troubleshooting of day to day system and user problems.
• Configuring Weblogic applications in SuSE Linux enterprise 10.
• Configuring load balancing on Apache Web Servers for Websphere application servers.