DevOps Engineer - Automation, Cloud & Kubernetes Expert
Resume:
MUHAMMAD AWAIS NOO PAGGANWALA
DevOps Engineer
Mobile 646-***-**** e-mail ******************@*****.***
SUMMARY:
Highly proficient DevOps Engineer with over 6 years of expertise in managing and optimizing RHEL, OEL and CentOS environments across production, development, and QA landscapes. Specialized in automating large-scale deployments using Ansible, and enhancing virtualization performance with advanced ESXi host configurations and live VM migrations. Extensive experience in cloud infrastructure management, including provisioning EC2 instances, securing AWS environments. Expertise in orchestrating scalable, high-availability solutions using Docker and Kubernetes. Expert in system performance tuning, security patch management, resolving tickets, managing users and infrastructure monitoring, ensuring maximum system reliability, scalability, and operational excellence through automation and strategic issue resolution.
TECHNICAL SKILL SET:
️ Operating Systems
• RedHat Enterprise Linux 7, 8, 9
• CentOS 6, 7, 8
• OEL 7, 8, 9
Virtualization Tools
• VMware, vCenter, ESXi, vSphere
• vMotion, Clone, Template, Snapshot
Troubleshooting Tools
• Top, Free, Ping, Tcpdump
• SSH, Netstat, Traceroute
• SAR, Vmstat, Iostat
️ Configuration & Management
• NFS, DNS, DHCP, FTP, VSFTPD
• Apache, PXE-Boot, Kickstart
• SAN, TCP/IP, UDP, NTP, SSH
️ Hardware Troubleshooting
• Rack & Stack Servers
• Configured iLO, iDRAC, RAID
Disk Storage Management
• RAID, LVM, NFS
• EXT3, EXT4, XFS
Automation Tools
• Ansible, Ansible Playbook
• Bash Scripting, Git, GitLab
• Ansible Tower
DevOps Tools
• AWS (EC2, ELB, EBS, IAM, VPC, S3, Glacier, AMI, CloudWatch)
• Docker, Podman, Kubernetes
Service Management Tools
• BMC Remedy, ServiceNow, Jira
Networking
• Static IP, NIC Teaming, NMCLI, TCPDUMP,
WORK EXPERIENCE:
DevOps Engineer
Blackrock, Hudson Yards New York, NY Dec 2023 – Present
Architected, automated, and supported highly secure, highly available, large-scale infrastructure to meet mission-critical demands.
Collaborate with development teams to understand the infrastructure requirements of the team and ensure it is aligned with architectural principles and best practices around system configuration, performance tuning, and security.
Automated large-scale application deployment and system configurations using Ansible.
Efficiently managing infrastructure through Playbooks for simultaneous server provisioning.
Automated service restarts and dynamic reconfigurations on Linux servers through Ansible handlers, ensuring service continuity and minimal downtime during configuration changes.
Provisioned, configured, and managed EC2 instances in AWS using various AMIs, ensuring optimal security, networking configurations, and resource allocation through security groups and Elastic IPs.
Architected and maintained highly available and scalable EC2 instances, S3 buckets, ELB (Elastic Load Balancers), and auto-scaling groups for maximized application performance and cost efficiency.
Administered the full lifecycle of Red Hat Enterprise Linux (RHEL) 6, 7, 8 and CentOS systems across production, development, and QA environments, ensuring optimal performance, stability, and scalability.
Deployment and configuration of ESXi hosts, significantly improving virtualization performance and optimizing resource allocation for enterprise environments.
Diagnosed and resolved complex Linux system issues, including hardware, storage, and application-level bottlenecks, ensuring continuous, high-performance operations.
Monitored infrastructure health and performance in real-time using Splunk, identifying and addressing system bottlenecks and issues before they impacted operations.
Demonstrated proficiency in GIT, encompassing tasks such as cloning, pulling/pushing, branching, and merging of repositories.
Resolved complex technical issues, performing root cause analysis (RCA) to prevent future incidents and improve overall system reliability.
Implemented branching, tagging, and version management strategies across multiple environments using Git, maintaining version integrity and facilitating smooth transitions through the development lifecycle.
Deployed, scaled, and managed Docker containers with Kubernetes, orchestrating containerized applications to ensure high availability, auto-scaling, and redundancy.
System Administrator
IBM, New York Dec 2020 – Nov 2023
Design and implementation of comprehensive installation and configuration processes for both systems and applications, ensuring maximum operational efficiency.
Developed VM templates, configured high availability (HA) clusters, and resolved virtualization-related issues to ensure optimal system performance and reliability.
Experience of server decommissioning and migration, ensuring efficient resource reallocation and system continuity while minimizing operational disruptions.
Configured and deployed Nginx and Apache web applications, achieving high-performance delivery of web services through precise tuning and optimization.
Responsible network traffic optimization through NIC teaming, utilizing in-depth network analysis via TCP/UDP protocols and diagnostic tools such as traceroute, netstat, and tcpdump to enhance network performance and reliability.
Created and managed Logical Volume Manager (LVM) structures, including Physical Volumes, Logical Volumes, and Volume Groups, to provide flexible storage management across Linux environments.
Implemented secure, password-less user authentication across multiple servers by configuring SSH key pair-based authentication.
Managed multi-container Docker environments for development and testing, optimizing resource utilization and improving container management workflows.
Administered Access Control Lists (ACLs) to enforce robust security measures, restricting unauthorized host access and provisioning privileged access to authorized user accounts, enhancing overall system security.
Engineered and customized RAID configurations (RAID 0, 1, 5, 6) on RHEL servers, aligning data storage solutions with client-specific performance and redundancy requirements.
Implemented Zabbix for real-time monitoring, proactively detecting and resolving performance issues to maintain peak system efficiency and reliability.
Proactively identified and resolved complex firewall configuration issues, guaranteeing network security and data protection through advanced firewall management.
Enhanced the reliability of BASH scripts by integrating advanced error management and logging mechanisms, ensuring efficient issue identification and resolution.
Optimized NFS performance by implementing network enhancements, efficient file caching, and fortified security protocols to ensure secure and reliable file-sharing services.
Linux Analyst
Johson & Johnson Raritan, NJ Oct 2019 – Sep 2020
Diagnosed and resolved minor hardware issues, including power supply failures, defective cables, and peripheral malfunctions, ensuring minimal downtime.
Monitored system resources where CPU usage, memory, disk space, and network performance, using advanced command-line tools to optimize performance and prevent issues.
Systematically identified and analyzed system problems, determined root causes, and implemented targeted solutions to restore and enhance functionality.
Facilitated collaboration between network administrators and system users to promptly resolve network configuration conflicts and improve system reliability.
Provided prompt and effective responses to user inquiries, offering expert guidance and resolving technical issues through precise troubleshooting methods.
Performed file backups using tar, zip, gzip, and other compression tools to ensure secure and efficient storage of critical data.
Managed users related issues and reviewed logs for getting the health of applications and linux boxes.
Drove rapid issue resolution to ensure high system stability and availability, directly contributing to enhanced performance and user satisfaction.
EDUCATION:
BS Computer Science - 2023
University of The Punjab
CERTIFICATION:
Red Hat Certified System Administrator (RHCSA) - 2026
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