WARDDA
IRSHAD
Linux Systems Administrator
******.*********@*****.***
US Citizen
Professional Summary
Detail-oriented Linux Systems Administrator with 3 years of experience in IT industry, to manage and optimize Linux systems for large-scale, complex and diversified environments. Proven track record of streamline processes, enhance system performance, and increase uptime and experience in managing security, monitoring, and troubleshooting complex Linux infrastructure issues. Proficient with operating systems, automation and DevOps tools like GIT, AWS, Ansible and Ansible Tower and familiar with Docker. Highly motivated and always open to accepting challenges in dynamic and complex environments.
CVS Health Rhode Island
Linux Systems Administrator Sep/2023 to Current
Deploying and configuring various flavors of Linux using for different client environments, ensuring system stability and efficient resource utilization.
Improved system recovery times by developing and implementing a disaster recovery plan that uses LVM snapshots and Rsync for complete server and data backups.
Over saw the installation and upkeep of a load-balanced NGINX webserver cluster to handle increased traffic and enhance scalability and performance.
Using Ansible to manage current servers, automating the configuration and patching process for RHEL, OEL and CentOS servers using Ansible Playbooks and roles.
Working with Ansible Tower, using dashboard, creating project, scheduling jobs, troubleshooting failed jobs, and implementing role-based access control to enhance security while configuring remote servers.
Experience in implementing and overseeing Linux solutions on AWS cloud services, ensuring scalability, security, and availability in the AWS environment.
Handling the creation and management of IAM users, applying precise access permissions to the Linux infrastructure, optimizing security measures and adhering to the principle of least privilege.
Utilizing CloudWatch to monitor resources, providing real-time visibility into system metrics, log files, and application performance and enables proactive problem identification and resolution.
Extensive experience with version control tools like GIT, skillfully overseeing individual code modifications and aiding developers in implementing suitable branching strategy utilizing Git and Gitlab.
Proficiently managed RHEL servers using VMware ESXi and vSphere, implemented DRS and HA and optimized resource utilization.
Enabled and configured VMotion in Vcenter server for live migration of VMs.
Experience in installing, configuring, and troubleshooting the Apache and nginx web server.
Effectively managed network traffic by configuring NIC teaming, ensuring enhanced fault tolerance and load balancing for optimized network performance.
Facilitated consistent deployments and quick testing by deploying and managing Docker containers for production and application development environments.
Utilizing Docker to move legacy apps into a containerized environment, guaranteeing smooth integration and quicker deployments.
Took advantage of custom dashboards to track application metrics, server performance, and proactive alerts using Prometheus and Grafana to implement robust monitoring solutions.
Experience
Proactively monitored and promptly resolved issues to minimized owntime. Offered on-call support for production systems around-the-clock.
AT&T LABS Middletown, NJ
Linux Analyst Sep/2022 to Aug/2023
Responded to users over the phone, and emails. Directed clients to the right person to contact to enhance client’s satisfaction.
Updated YUM repositories with RPM packages as per client requests.
Resolved technical issues regarding OS, network and hardware.
Skilled in optimizing system performance with RAID setups, used mirroring, striping and parity techniques to achieve optimal performance and cost-effective solutions.
Configured NFS servers for optimal storage performance, ensured data integrity and availability.
Created users, added user to groups, managed access and implemented ACLs.
Improved security posture by implementing SSH key-based authentication.
Monitored system performance and tuned server parameters to optimize memory, CPU, and network resources.
Handled ticket queue by Jira ticketing system.
Collaborated with different and try to learn new technologies at earliest.
Strong connection with vendors to get resolution of complex and critical issues.
Managed repairing of faulty parts and claimed warranties if effective.
Ensured 24 X 7 availability and participated on on-call.
High School
Manara Leadership Academy, TX 2021
Linux System Administration track
Merit America 2022
Kingsborough Community College
Associate’s in Computer Science 2026
Education
Operating Systems:
Red Hat (7, 8, 9), CentOS (7,8, 9), OEL Ubuntu
Configuration Management:
Ansible and Ansible Tower
Automation Tool:
Docker, Kubernetes, Terraform and Jenkins
Cloud Platform:
AWS Services including – EC2 instances, ELB, EBS, EFS, Cloud watch, Autoscaling, Route53, SG
Monitoring & Ticketing:
Zabbix, Grafana, SNOW, Jira, Splunk
Version Control:
BitBucket, Git, Gitlab
Database:
MySql, Oracle DB, MariaDB
Package Management:
Yum, RPM, DNF, Patching servers.
Application Server:
NFS, SAMBA, TFTP, FTP, SSH, HTTPD, APACHE, DHCP, DNS, NTP
Hardware:
Configuring ILO & IDRAC.
Expertise