Email: advrpv@r.postjobfree.com

Phone: 410-***-****

US Citizen

HUMZA MUDDASAR

SUMMARY

-Linux Systems Engineer with 6 years of hands-on experience in automating and optimizing mission-critical deployments over a large infrastructure. Proficient in configuration management tools (Ansible, Ansible tower), version control tools (Git, Gitlab), Jenkins, AWS Cloud, Terraform and handling microservices with Docker containers. Extensive experience with monitoring, ticketing, and incident management tools. Exhibited troubleshooting of issues related to networks, users, storage, filesystems, performance, and RCA. Hand-on Virtualization technologies, databases, bash scripting, storage management, and disk management. Having strong Problem-Solving Skills for day-to-day issues arising in the environment.

SKILLS & ABILITIES

EXPERIENCE

MTA/IBM, NYC, NY

09/2020 - PRESENT

LINUX SYSTEMS ENGINEER

Provisioning, deploying, maintaining, troubleshooting, and decommissioning RedHat Enterprise Linux, CentOS, and Ubuntu servers

Experience with patching and administration of RHEL 6, 7, and 8.

Supporting on-prem bare-metal systems, Virtual Machines, and Cloud Instances.

Experience deploying and configuring VMs for Linux Operating System, applications, and user settings.

Patching systems using yum and rpm with tools like Red Hat Satellite and Ansible

Managing Logical Volumes. Creating, extending volumes, and taking snapshots of logical volumes.

Local, Network, and SSH-related troubleshooting

Configuring NFS servers, clients, and NFS mounts.

Wrote Ansible playbooks for configuration management and automating various complex and repetitive tasks. Configuring remote nodes using Ansible Tower.

Used Ad hoc command to manage day-to-day tasks like install, update, or remove packages on managed nodes, check connectivity of machines, account status, disk utilization and post patch checking.

Managing cloud computing not limited to Spinning up EC2 instances, S3 buckets, Managing EBS volumes and attaching to EC2 instances, ensuring Elastic load balance, Route 53, IAM, AMI, CloudWatch.

Managing infrastructure automation through Terraform

Provisioning and managing AWS Services using Terraform

Experiencing in sharing data with multiple teams and managing GitLab repositories using CLI and GUI.

Created Branches in GIT to isolate code changes without modifying the existing/original version.

Deploying and configuring Apache Tomcat and HTTP servers.

Handling tickets and managing incidents by getting alerts generated by Nagios. Performing root cause analysis to discover the root cause of a problem or event and fix it better.

AT&T LABS, MIDDLETOWN, NJ

08/2017 - 07/2020

LINUX ADMIN

Installed and configured CentOS, Ubuntu, and RHEL-based operating systems, installed and upgraded packages, and services.

Creating, mounting, and extending the filesystems (ext3, etx4, and XFS)

Ensured daily, weekly, and monthly system maintenance activities such as backups, log file maintenance, and implemented security updates.

Installed and upgraded Virtual machines in VMware ESXi host and Vcenter.

Experience in creating VM templates, clones, snapshots, and managing virtual machine deployments.

Managed jobs in Jenkins

Configured, managed, and performed troubleshooting of TCP/IP, DHCP, DNS, FTP, Firewall, SSH, Iptables, UDP, Samba, and NFS.

Responsible for user management in Linux including creating accounts, changing permissions, and creating, modifying, and deleting groups.

Performing daily system monitoring using Splunk, verifying the integrity and availability of all hardware, and server resources.

Resolved incoming tickets by using JIRA ticketing tool and maintain proper documentation of tickets received.

Responsible for modifying the Kernel Tuning parameters based on the application requirements.

Worked with remote console management platforms, ILO (Dell) and IDRAC (HP) to perform tasks remotely.

NIC Bonding for fault tolerance, redundancy, and enhanced performance

Configured different levels of RAID to provide reading writing performance, provided minimum cost solution, and implemented striping, mirroring, and parity techniques.

Worked with disk management by attaching disks to the system, created partitions, and formatted file systems such as ext3, ext4, or xfs, with boot persistence.

Created Docker images for deploying containers using Docker file and Tagging and pushing images to Docker Hub.

Created Docker volumes using bind mounts and persistent storage.

Automating daily tasks using Bash script

BLOOMBERG, DAYTON, NJ

07/2016 - 06/2017

LINUX ANALYST

Provisioning and configuring RHEL servers using REDHAT Satellite and PXE boot.

Responsible for user account management.

Installed and upgraded packages using Yum and rpm utilities.

Supported Linux admin and Engineer in racking and stacking of servers and managed cablings to keep connective.

Responsible for initial system problem analysis and troubleshooting.

Communicated necessary information to the operations and technical support team.

Complete physical floor inspection of the computer systems in separate facilities.

Worked with TAR for archiving files, SCP for sharing data/files.

Responsible for writing and maintaining technical documentation.

EDUCATION

Valdosta State University (2005)

Valdosta, GA

Completed 130 Credits towards Bachelors in CS

RHEL (6,7,8), CentOS (6,7,8), Ubuntu, Debian

vSphere, VMware, vCenter, vMotion, ESXi

Ansible, Ansible Tower, Dockers, Git, Gitlab, Jenkins, AWS Cloud, Terraform

DNS, DHCP, SMTP, Firewalls, SSH

AWS, Amazon EC2, IAM, AMI, S3 Buckets, EBS, EFS

LDAP, AD, SNOW, Jira, Apache servers, Nagios, Grafana, Splunk, Microsoft 365

LVM, SAN, NAS, gdisk, fdisk, parted, RAID,

MySQL, MariaDB, Bash Scripting

EXT3, EXT4, XFS

ILO, IDRAC

Kernel Tuning, Patching, Backups, Security

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