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Click here or scroll down to respond to this candidateCandidate's Name
Linux Production EngineerNJ, USAPHONE NUMBER AVAILABLEEMAIL AVAILABLEEXECUTIVE SUMMARYA seasoned Linux Production Engineer with extensive 6 Years of experience in system development, design, configuration and management in physical, and virtual environments. Experience in multiple Linux distributions and various technologies such as VMware, cloud (AWS), Docker, Ansible configuration management and DevOps tools like GIT Lab, Ansible, and Ansible Tower. Strong ability to solve complex issues, troubleshooting system-related issues and adapt to evolving circumstances, addressing change management requests and implementing preventive measures to identify potential issues.SKILLSKERNEL TUNING, PATCHING, PERFORMANCE MONITORINGANSIBLE, ANSIBLE TOWER, ANSIBLE PLAYBOOKSCENTOS, UBUNTU, RHELPXE-BOOT & KICKSTARTGIT, GIT LABVMWARE, ESXI, VSPHERE, VMOTION, HA, DRSDOCKER, KUBERNETESAWS (EC2, S3, IAM, EBS, EFS, ELB, GLACIER, ROUTE 53, CLOUDWATCH)TCP/IP, SMTP, SCP, DNS, DHCP, TCPDUMPRAID, LVM. RPM, YUM, DNF, FILESYSTEMSNIC BOUNDING, USER MANAGEMENT, DISK MANAGEMENT (GDISK, FDISK)NAGIOS, PROMETHEUS, SPLUNKJIRA, BMC REMEDY, SERVICE NOWEXPERIENCECITIBANK, JERSEY CITY, NJ 07/2021 to PresentLINUX PRODUCTION ENGINEERProficient in managing whole life cycle of diverse Linux operating systems with various flavors, including Red Hat Enterprise Linux (RHEL), Ubuntu, CentOS and Fedora.Delivering comprehensive production support for Red Hat Linux Systems in high-stake environments, ensuring optimal server and application availability.Conducting careful health checks for virtual machines and ESXi hosts, actively contributing to server migrations from P2V or V2V.Implementing high availability and fault tolerance using Route53, incorporating failover and latency modes for enhanced system reliability.Demonstrating advanced expertise in AWS Identity and Access Management (IAM), adeptly creating new users, groups, and roles. Leveraging roles and policies ensures the right user access to the right resource.Using Elastic Load Balance (ELB) to enhance the availability of applications on EC2 instances and maintaining health of target group and replica set using Auto-scaling,Expert level in troubleshooting application alerts from sophisticated monitoring tools like Prometheus, conducting Root Cause Analyses to ensure swift issue resolution.Implemented best security measures for all servers through meticulous OS hardening, Patch management, and Package management practices.Successfully managing local deployments in Kubernetes, overseeing the creation of local clusters, deployment of applications into pods, managing replica sets, and monitoring pod health.Managing Change requests in Service Now ensuring the seamless upkeep of both production and development environments.Leveraging Ansible Tower for streamlined deployment, capitalizing on its user-friendly dashboard and role-based access control.Proficient in provisioning servers and deploying features using Ansible, expertise in development and deployment of Ansible playbooks.Creating customized Ansible modules, elevating workflow efficiency through the automation of routine tasks and integration with external systems.Applying rigorous code management practices with Git including pulling, pushing, branching, and merging, while ensuring repository security through meticulous access controls and authentication.Maintaining Git documentation and provided invaluable support to team members on version control best practices.Collaborating seamlessly with development, database administration, QA, and IT operations teams to minimize resource conflicts and ensuring optimal project coordination.Proficient in SQL for database design, data manipulation, retrieval, modification, and control, with experience in transactions, performance optimization analysis, and integration.FISERV, FRISCO, TX 05/2019 to 07/2021LINUX SYSTEMS ADMININSTRATORSpecialized in installing and configuring Red Hat Enterprise Linux (6, 7, 8) servers, in addition working with RHEL 9 in Dev environment.Conducted disk partitioning to logically divide physical disks, enabling the operation of multiple file systems on the same device.Implemented network bonding or NIC teaming as needed to ensure a consistent flow of data.Successfully resolved network-related issues by employing networking tools and making configuration adjustments.Managed Virtual Center server, providing non-administrative accounts to various groups within the organization.Worked with Active Directory for comprehensive user management, including creation, modification, password management, and account closure on Linux systems.Extensive experience in networking and the management of TCP/IP, DNS, NFS, SSH, and VSFTPD.Installed and configured Apache web servers, delivered support for them on Linux production servers.Proficient in system upgrades, layered product installations, and the analysis and troubleshooting of complex production systems.Utilized Zabbix tool for monitoring system health.Employed Bash scripting to sequence commands efficiently.Conducted performance tuning of Linux machines by adjusting kernel parameters to meet application resource requirements.Ensured system security and resolved firewall-related issues.Established and administered user and group accounts, defined permissions, and granted sudo powers to users.Configured various RAID levels to combine multiple hard drives, enhancing system efficiency.Effectively harnessing Docker compose for the agile deployment, configuration, and management of multiple containers, focusing on persistent data using Docker volume.Proficient in Docker container networking, storage, and interactive terminal-based file configuration.Proficient in configuration management tools like Puppet and Chef to automate tasks and ensure consistency across diverse infrastructure environments.Experienced in configuring Canonical Ubuntu for diverse use cases, including development, production servers, and cloud environments, ensuring optimal performance and security.FCB, HEALTH, NYC,NY 9/2017 to 04/2019JR. LINUX ADMINInstalled and configured both software and hardware components.Demonstrated proficiency in Linux operating systems, networking, and security using command-line tools.Monitored system logs for errors and potential issues, analyzed log files and eliminated redundant logs to optimize system performance.Configured Network File System (NFS) to facilitate file sharing among servers over the network and troubleshooted server and client-side issues to maximize uptime.Formatted logical volumes and disks with different file systems (Ext3, EXT4, XFS) based on the nature of data.Accessed non SSH able servers by utilizing console tools ILO for HP and IDRAC for Dell servers.Maintained operational, configuration, and other procedural documentation.Managed user accounts and permissions effectively.Troubleshot technical problems, delivering swift and effective solutions to minimize downtime and ensure business continuity.Ensured the security, performance, and availability of Linux-based systems.Conducted system backups and implemented disaster recovery procedures to ensure data availability and integrity in the event of a system failure.Participated in a 24x7 on-call rotation and collaborated with global teams.EDUCATIONBachelor of Science 2009-2013University of The Punjab, Pakistan |
