SUMMARY

• Nine years of professional experience in IT Infrastructure Management and Engineering with hands - on experience in Unix Platform Administration, DevOps, Virtualization, Automation and Cloud Platform management. Achieving consistent effort reduction through Problem Management, Automation and Service Improvements.
• In-depth understanding in Planning, managing, monitoring, configuring, troubleshooting, automating, optimizing and maintenance of Linux/Unix Servers, Cloud platform and DevOps under different IT environments . Implementation and Administration of Cloud migration/automation processes for build and deploy systems. Also providing infrastructure solutions based on amazon web services (AWS) in a fast-paced, challenging, innovative company focused on reliability and customer service.
• Adept in understanding customer requirement, analyzing information server needs and evaluation of end-user requirements to provide timely and effective solution to the issues faced by end users. Strong understanding of best practice to be followed in IT IS environment based upon ITIL V3 fundamentals.

TECHNICAL SKILLS

Hardware: HP, IBM, Oracle Sun, Cisco UCS, DELL Servers and Workstations.

OS: RHEL, Cent, Ubuntu, SUSE, openSUSE, Solaris, AIX, Oracle Linux

Languages: C, Python, Shell scripting, YAML, Expect, HTML, PHP

Automation: Ayehu eyeShare, Hashi Corp Consul, HiveCenter, Jarvis Chatbot, Python, YAML, Expect, Shell Script

PROFESSIONAL EXPERIENCE

Confidential

Team Lead

Responsibilities:

• Red Hat Linux 6/7/8 and IBM AIX System and Platform Administration.
• Worked with various lines of business to understand requirements and translate them into technical design and implementation plan.
• Problem Manager, delivering qualitative root cause analysis and implementing permanent solutions for IT Events on Operating System Platforms.
• Worked as a UNIX project architect to lead architectural design for new projects and creating standard baseline configuration and architectural documentation for end-users.
• File system Management using LVM (Logical Volume Manager) and RAIDs.
• Developed, maintained, PR reviewed and documented modules, manifests, Hiera configurations and Git repositories for Puppet Enterprise on various Linux platforms.
• Installed, configured and managed Puppet Master and Agent.
• Manage Linux File System configured in SAN, NAS and Locally connected SAS/SATA manage system configuration through Puppet and Ansible.
• Coordinating with Information Security Team to resolve OS Vulnerabilities before moving systems to the Production Environment.
• Good understanding on server security hardening for different RHEL versions as per Red Hat system hardening guideline.
• Satellite Server Management: Creating Channels, Clone Channels, create system group to schedule OS Patching.
• Troubleshooting Day - to-Day issues with various servers on different platforms.
• Building open-source software from source code.
• Hands-on experience on GPFS spectrum Scale cluster setup over iSCSI.
• Deploy & manage open source tool Syncthing for File transfer across the 1200+ stores in USA.
• Leveraged Terraform and Ansible to provision servers on the private cloud environment.
• Improved Linux OS deployment and management by creating customized kick start scripts and deployment of Puppet.
• User/Group Account Management using Beyond Trust/LDAP.
• Management of user accounts, system security, change management and performance tuning.
• Managing YUM repositories in Linux, used across all environments.
• Hands-on experience on Pacemaker cluster installation and configuration.
• Network management, IP bonding configuration, migrating servers to Application Centric Infrastructure (ACI) network.
• Creating VMs, accessing VMware vSphere and allocating resources.
• NFS, NIS server and client configuration.
• Patch and package management on Linux servers.
• Confluence for documentation of all the day-to-day and important administration process/procedures.
• Responsible for resolving all the production issues and root cause analysis that are further assigned from Unix Level 2 team. knowledge sharing among the peers and train the other team members.

Confidential

Unix System Administrator

Responsibilities:

• Installation, Configuration, Maintenance and Administration of 2000+ RHEL4-6, Cent, Ubuntu, SUSE, Open SUSE, AIX & Solaris servers.
• Manage software updates and patching using SpaceWalk.
• OS vulnerability scanning and vulnerability management using OpenVAS.
• Virtualization using Hyper-V, VMware ESXi and KVM.
• Troubleshooting of various Unix OS and Veritas NetBackup related issues.
• Provisioning Linux servers using kickstart method.
• Decommissioning of Linux and Solaris servers.
• Installation and configuration of Zabbix agent on all Unix servers.
• Managing user accounts, groups, directories, file permissions and sudo rules.
• Installation and configuration of Webserver, Mail Server, LDAP server, Database server.
• Managing Confidential global FTP server.
• Creating FTP user account and setting up soft/hard quota for every account.
• Installation and configuration of Tomcat service and SMS Gateway servers.
• Upgrade of O.S and software packages.
• File system management on various volume managers.
• Disk mirroring & management using volume manager (LVM).
• Creating, configuring and managing non-global Zones.
• Safety and Disaster Recovery planning and implementation.
• Troubleshooting performance issues on UNIX servers.
• Configuring and Accessing remote consoles ILO, HMC, RSC.
• Network management and IP bonding configuration.
• Installing and configuring Print servers and print queues on Unix servers.
• Installation and Configuration of SNMP utilities and monitoring Network devices.
• Squid Proxy and Samba Configuration.
• Creating ACL to allow/deny keywords and websites using Squid.
• Performance Monitoring of servers and Capacity planning.
• Hardware Maintenance - Updating firmware and vendor coordination.