SUMMARY:

• DevOps Engineer with over 6 years in teh tech industry. Experience implementing advanced DevOps Practices in an agile environment. Leveraged CI/CD pipelines to increase time to market of critical internal client facing applications.
• Experience with automation tool such as Ansible & Jenkins which were used in close proximity with teh developers to strip them of teh heavy lifting of operations works so they can focus on what they do best, Develop .
• Also Worked with Development team in utilizing best practice of maintaining of software and hardware baseline. Integrating with RHEL 5/6/7 in diverse complex environment. me have good skills in performance tuning.
• As a System Administrator me was responsible for smooth running and day - to-day operation of a mission critical environment and was also involved in performance, configuration, managing, maintaining and patching of OS.
• Experience implementing CICD pipelines
• Experience maintaining Jenkins pipelines to ensure optimal uptime high traffic business application.
• Experienced in installation, maintaining, configuration, performance tuning and troubleshooting of Red Hat Enterprise Linux 5/6/7.
• Performed backup and recovery through Net Backup 5 and 6 on RHEL.
• Created user account and group account for developers.
• Implement patch management on RHEL 6 and 7 through Red hat Satellite.
• Install and upgrade packages on RHEL servers with RPM and YUM.
• Providing direct user and application support.
• Implemented NIC Teaming and Bonding on Linux/Unix and VMware systems to perform load balancing and increase redundancy.
• Perform storage management on RHEL and CentOS 6/7. Partitioning new hard-drive and mounting filesystems.
• Expert in creating and managing LVM in RHEL 5/6/7.
• Set up new filesystems, preparing filesystems using “e2fsck”.
• Installed and Configured RAID controllers for performance and redundancy.
• User administration in NIS, configuring and troubleshooting NIS master and slave.
• Tuning teh kernel parameters based on teh client requirement.
• Keeping teh system secure by applying patches, configuring firewall and enabling SELinux in RHEL 6/7.
• Good noledge of Network, DNS, NFS, DHCP, NFS, FTP, NIS
• Working noledge with SAN, NAS
• Setting up network protocols, Network File Services, and Network Information Services (NIS) in Red Hat Linux systems.
• Writing bash scripts to automate jobs such as performance monitoring, backing up with tar ball.
• Monitoring system performance and check teh status of teh system using utilities such as SAR, TOP, VMSTAT, IOSTAT, IOTOP etc.
• Experience with filesystems, ext2, ext3, ext4 and XFS.
• Expert in change management process.
• Installed, configured and execute Ansible configuration management system.
• Experience in Ansible to manage Web applications, Environments configuration Files, Users, Groups and Packages, wrote Ansible playbooks.
• Experience in installation and configuration of a monitoring tool Nagios
• Experience with installation, configuration of VMware vSphere ESXi 5.5
• Created local Yum repository
• Troubleshooting memory, CPU, swap space

PROFESSIONAL EXPERIENCE:

Confidential, NY

Linux System Engineer/DevOps Engineer

Responsibilities:

• Implemented CI/CD pipeline using Jenkins.
• Created SLI/SLO dashboard on Splunk for stakeholders.
• Collaborated with stakeholders to implement system maintenance for production servers.
• Experience with software version control systems like Git and SVN.
• Implement patch mangement on Linux servers using ansible playbooks.
• Experience with issue tracking tools like Jira.
• Experience with docker containers to create containers for all environments.
• Use Jenkins to automate build process for stakeholders.
• Wrote and maintained infrastructure documentation
• Configure and maintained monitoring for all teh environment using Nagios.
• Creating multiple graphs on splunk based on different event types.
• Reduced company’s cost by decommissioning bare metal servers and helped team migrate over VMs.
• Strong problem solving and troubleshooting skill.
• Install, configure and maintain RHEL 7/8 and CentOS Servers.
• Experience implementing Change management, Incident management and Patch management
• Good noledge of network protocols such as TCP, UDP, SSH, HTTP.
• Working noledge on languages like Python and Yaml.
• Monitor life cycle of applications using Splunk.
• Working noledge of Logical Volume Manager (LVM) to create, resize and deleting partitions.
• Experience modifying Ansible modules to Environment needs.
• Implemented NIC bonding for network redundancy.
• Experience with network file sharing servers such as AFS and NFS.
• Experience with Ansible module to parse and make changes to large confutation files.

Confidential, Bentonville, AR

Linux Systems Engineer

Responsibilities:

• Perform installations, upgrades, and troubleshooting on RHEL 5/6/7 OS.
• Deploying virtual machines and physical servers using PXE-boot with customized kickstart profiles.
• Use RPM and YUM for package installations, patch and other server management.
• Expansion of root files systems and swap using LVM .
• Review and monitor system logs.Partition and manage disk storage using fdisk, gdisk, autofs and LVM.
• Performed regular disk management such as adding, removing and replacing drives on existing or expanding filesystem.
• Configured NFS, NIS on Linux Redhat 5/6/7.
• Deep understanding of change management and processes.
• Building VMware vCenter server and vCenter Heartbeat on ESXI 5.5.
• Configured DRS, HA, Admission control and Affinity rules to maximize utilization of resource and 0 downtime of VMs.
• Configure NIC Bonding.
• Install, configure and support Apache web server.
• Providing 24/7 technical supports to Production and development environments.
• Schedule jobs using Cron and monitor system logs.
• Working noledge of service now ticketing system.
• Install and configure SSH to enable secure access to teh servers.
• Installed and Configure RAID on RHEL 6/7 for performance and redundancy.
• Modified Kernel parameters to teh needs of Production and Developers requirement.

Confidential, Houston, TX

Sr. Linux Systems Admin

Responsibilities:

• Used RPM and YUM to patch servers, upgrade and manage software packages
• Configure repositories and maintained them.
• Deploying RHEL 6 & 7 on VM and bare metal servers in fast paced environment
• Managed systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system login, network plunging of servers for maintenance, performance tuning, testing
• Taking backup using tar and recovering during teh data lose
• Experience in Server monitoring, capacity planning, application monitoring with teh help of Nagios.
• Performance tuning of Linux machines in teh environment by kernel parameter tuning, identifying process dat hog teh system resources and containing them
• Responsible for OS maintenance activities like upgrading teh OS, updating teh services and third-party software's.
• Performed Hot and Cold Cloning, VMware convertor, Virtual Infrastructure client.
• Creating teh template for deploying for teh environments of Linux 6 & 7.
• Installed Ansible and ran playbooks on Inventory.
• Manage logical Volume manager on Red hat Servers
• Examined Logs for errors and troubleshoot errors related to it.
• Experienced in tasks like managing User Accounts and Groups, managing Disks and Filesystems.
• Experience in AWS cloud platform and its service such as IAM, EBS, EC2, S3, VPC, Auto Scaling, Route 53, Cloud formation etc
• Creating Disk Volumes, Installed and Configured RAID

Confidential, New York, N.Y

IT specialist/Analyst

Responsibilities:

• User Management
• Provisioned servers bare metals
• Troubleshoot performance related issue on teh VM and OS on bare metal
• Created backup for data using methods such as tar
• Provide OS support for internal users.
• Support work area moves, patch installations, software updates, and other functions as needed.