ZEESHAN TAHIR
Celina,TX
Summary
Linux Systems Engineer with above 6 years of experience in complex enterprise environments, expertise in building servers, managing storage, configuring, and optimizing systems to ensure highly available, cost-effective, scalable, stable and reliable mission-critical environments. Furthermore, expert in DevOps tools like Ansible to facilitate automation, deployment, AWS cloud services, Docker for micro services management, and GIT for version control. Consistently demonstrated the ability to maintain, support, administer, and vigilantly monitor infrastructure. Additionally, possesses strong troubleshooting skills to efficiently address technical issues.
Overview
6
6
years of professional experience
Work History
Linux Systems Engineer
HEWLETT PACKARD
HOUSTON, TX
10.2021 - Current
- Expert in VM deployment and customized template design, expertly managing VMware ESXi and vCenter in Cluster Environments, integrating advanced features such as High Availability (HA) and Fault Tolerance (FT)
- Extensive experience in deploying and maintaining virtualized environments using VMware, Vsphere, and VMotion
- Designed, implemented, and maintained scalable and secure Linux-based infrastructure, ensuring high availability and performance for mission-critical applications
- Extensive expertise in managing AWS cloud infrastructure, covering IAM, VPC, Auto-scaling, Route 53, and AMI
- Establishing threshold-based alarms and trigger points within AWS Cloud-watch to monitor CPU utilization and disk usage on servers
- Managing cloud computing operations, including spinning up EC2 instances, managing S3 buckets, handling EBS volumes and configuring Elastic Load Balancing
- Experience with Ansible Engine and Ansible Tower to streamline routine tasks, facilitating the rapid deployment of critical applications and efficient change management
- Simplifying system upgrades, migrations, database backups, and replication by harnessing Ansible's automation capabilities
- Employing Ansible Ad-hoc commands for various tasks, such as remote system management, server reboots, and network troubleshooting
- Using Splunk and other IT infrastructure monitoring tools to observe and analyze resources, including system logs, services, disk usage, processor load, and network protocols
- Constructed customized Docker images from Docker files to deploy customized containers with specific configurations
- Possesses expertise in collaborating with Docker Hub for the storage and sharing of Docker images
- No heart beat with Git for versioning, branching, and merging code for collaborative purposes
- Proficient in utilizing Git for fetching and pulling codes exiting repose, cloning new repose, modifying repose, and managing the Git staging area, committing changes and pushing code to Git lab
- Leveraging Kubernetes to orchestrate the scaling, deployment, and management of Docker containers
- Administering application resources, including pods, services, and deployments, by leveraging either YAML configuration files or Kubernetes API objects.
Linux Administrator
BNY MELLON
NYC, NY
10.2018 - 09.2021
- Demonstrated extensive experience and proficiency in deploying, configuring, addressing technical issues, updating, and maintaining Linux based servers
- Execute the migration of VMs across hosts within a HA cluster to perform maintenance tasks on ESXi hosts
- Implement NIC Bounding to reduce the risk of network breakdowns and enhance system fault tolerance
- Create Logical volumes on SAN storage and extend/reduce logical volumes using LVM
- Generate new file systems such as Ext3, Ext4, and XFS, as well as manage and verify file system data consistency
- Troubleshoot bare metal issues by collaborating with Integrated Lights Out (ILO) for HP and Integrated Dell Remote Access Controller (IDRAC) for Dell servers
- Possess experience in monitoring systems, metrics, and developing dashboards utilizing tools like Grafana
- Have hands-on expertise in migrating applications from one operating system to another by storing data on file shares accessible through NFS protocols
- Configure a hardware RAID system and utilize striping, mirroring and single or double parity to distribute shared data across multiple disks, ensured redundancy and performance
- Set up a local yum repo server for the installation of packages in the test environment and manage various repos in production
- Configure and manage Apache web server and ensured optimal web hosting performance
- Perform Kernel Tuning to increase compatibility and improve the performance and reliability of services
- Configured IP addresses, sub-net masks, and gateway addresses on routers and hosts to ensure network connectivity
- Ensured compliance with and applied configuration and security standards and policies within a defined Change Management process, thereby minimized security risks
- Resolved system errors, disk space issues, managed disk labels, and reconfigured devices as necessary
- Established user and group IDs, passwords, and resolve access permissions using ACL
- Handled TCP and UDP protocols and transfer files over networks using SSH, FTP, SCP, and rsync utilities
- Effectively handle and resolve tickets using Jira as the ticketing system.
Linux Technician
FEDEX
BUFFALO, NY
11.2017 - 09.2018
- Fixed minor faults in faulty equipment, resolved issues network related to network
- Addressed access-level issues for users and managed account-related tickets
- Utilized Anacron for job scheduling and excellent experience with Crontab to Schedule tasks
- Conducted troubleshooting and diagnostics for software and hardware issues reported in tickets, effectively managing incident queues
- Configured secure command-line services on remote systems using Open-ssh
- Managed day-to-day tasks, including packages installation and upgradation, driver installation and managed third party software installation
- Diagnosed system performance issues in collaboration with Linux Admin and Engineers, implementing effective solutions
- Compiled and maintained crucial documents
- Responsible for data backups and restoration processes.
Education
Bachelor’s in commerce -
The University Of Punjab
01.2013
Skills
- OS: Linux (RHEL 6x, 7 and 8), CentOS (6,7 and 8), Oel, VMware (ESXI 5,6), Windows 7, 8 and 10
- DevOps Tools: Ansible, Docker, Git, Kubernetes, Jenkins, Terraform
- Automation: Ansible, Cron, Bash Scripting, PXE with Kickstart
- Virtualization: Oracle Virtual Box, VMware, vSphere, ESXI
- Version Control: Git, GitHub
- FileSystems: ext3, ext4, xfs
- Storage: SAN, NFS, Logical Volume Management (LVM), RAID
- Servers: PXE, DHCP, Apache, DNS, NFS, FTP
- Software Management: DNF , YUM and RPM
- Languages: Bash and Shell Scripting, Python, Yaml
- Patching Tools: Red Hat Satellite
- Monitoring: Nagios & Dynatrace, Zabbix, Splunk
- Ticketing Tool: Jira, ServiceNow
- AWS: Could Computing EC2, AMI, IAM, ELB, VPC, Route53, Autoscaling, Security Groups, NACL, CloudWatch, CloudFront, EBS, S3
- Software: Microsoft office365,Microsoft Excel
Timeline
Linux Systems Engineer
HEWLETT PACKARD
10.2021 - Current
Linux Administrator
BNY MELLON
10.2018 - 09.2021
Linux Technician
FEDEX
11.2017 - 09.2018
Bachelor’s in commerce -
The University Of Punjab
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