Infrastructure Engineer It

Mohsin Ismail

Linux Infrastructure Engineer ***************@*****.*** 631-***-**** New York

With over 6 years of experience as a Linux Infrastructure Engineer, extensive expertise in Linux-based systems. Efficiently managed tasks including provisioning, patching, decommissioning, and deploying applications on IT infrastructure. Configured Ansible for automation, utilized GitLab for version control and source code management.

Additionally, experience with DevOps tools such as Docker, Kubernetes. Successfully implemented supported virtualized and cloud environments, including AWS Services.

Core Competence

Linux OS: RHEL, Ubuntu, Debian, CentOS

Configuration and Management: NFS, DNS, DHCP, TCP/IP

User authentication: Active Directory, Open LDAP

Patching and Provisioning: Yum, RPM

Disk Storage Management: SAN, NAS, RAID, LVM.

Virtualization Tools: VMware Vmotion, vCenter, vSphere,

Monitoring and Ticketing Tools: Service Now, BMC Remedy, Nagios, Zabbix, Splunk.

Automation & DevOps tools: Kubernetes.

Ansible,

Bash,

Docker,

Git,

GitHub,

Amazon Web Services: IAM, EC2, EFS, EBS, S3, Route 53, Cloud Watch.

Wells Fargo

Linux Infrastructure Engineer

NEW YORK

DEC 2021 – Present

Strong experience in Ansible to deploy virtual and physical server’s provisioning, configuration management, patching, and software deployment.

Skilled in implementing seamless migration procedures for physical Linux servers, leveraging P2V (Physical to Virtual) and P2P (Physical to Physical) plate spin software to ensure efficient and successful server migrations.

Performing Patching management including, ensuring availability of patches, executing pre check and opening change window, executing post patch check and bringing up all down servers back in action.

Experienced in VMware ESXi, VSphere client, and VCenter, creating VMware clusters to achieve High Availability (HA), Distributed Resource Scheduler (DRS), and fault tolerance (FT).

Creating Ansible Playbooks to automate tasks, using tags and handlers in playbook to use long playbook for customized tasks. Using Adhoc commands to perform quick tasks.

Expertise in managing pre and post-patching activities, effectively addressing challenges like software incompatibility and mitigating issues such as kernel panics to ensure smooth and reliable system updates.

Skilled in leveraging Ansible for automating configuration management, provisioning, and application deployment, ensuring consistent and efficient management of multiple nodes and applications.

Managing Ansible Tower to create templates from the SCM and deploy configuration across the Linux environment.

Managed and deployed EC2 instances on Amazon Web services (AWS) environment. Installed the application on AWS EC2 instances in specific VPC’s and configuring, managing security groups.

Managing object-based storage by creating S3, and implementing policies.

Utilizing Cloud watch to monitor AWS resources, to set alarms and to monitor logs for a better understanding and operation of the systems.

Managing micro-services with Docker container and optimizing the infrastructure cost.

Proficient in managing Git workflows, establishing efficient version control practices, and ensuring seamless collaboration within development teams.

Using GITLAB to manage source code repositories and exposed to branching technique.

Managing/Tracking the defects status using JIRA. Assessing and prioritizing tickets while solving various Linux issues.

Supporting production environment support activities which include major release or emergency hot fix.

Samsung America Inc

Linux Systems Administrator

NEW JERSEY Apr 2019 - Nov 2021

Experienced in the installation and configuration of ESXi hosts on Dell and Hewlett Packard (HP) servers, to manage virtualized environment with optimal performance.

Extensive experience in VMware technologies, including ESXi, and vSphere, proficiently utilizing these platforms to create virtual machines (VMs) and effectively manage resource allocation and utilization.

Proficiently deployed, configured, and managed NFS servers to provide network file sharing services for Linux client servers.

Administered security, managed users, groups and daily backup and restored operations, networking service, performance, and resource monitoring, and performed disaster recovery management procedures.

Implemented access control list (ACLs) on files for complex user and group access permissions.

Expert in configuring and managing NIC bonding with various runner setups, enabling efficient network traffic diversion based on the volume of network packets received on logical NICs, ensuring optimized network performance and high availability.

Utilized Nagios monitoring tool to analyze network activity, proactively detecting and investigating potential security threats, such as active memory leaks, ensuring timely mitigation and safeguarding system integrity.

Skilled in configuring static IP addresses by modifying configuration files, ensuring reliable and consistent network connectivity, and simplifying network management.

Installed, configured, maintained Linux systems and managed other servers like DHCP, DNS, FTP, TFTP, Apache, NFS.

Deployed Bare Metal and Virtual machines by using PXE-Boot to get the advantage of over the net installation with Kickstart arrangement for an unattended installation arrangement.

Strong in documentation creation and updating using Jira Confluence.

Implemented patches and upgraded servers and kept them updated.

Configured the Firewall and SELinux to ensure security.

Created Bash scripts to automate day-to-day tasks and customized administrative tasks.

Created and extended volume groups, logical volumes, using LVM and worked

with SAN team to migrate volumes among hosts.

Verizon

NOC Support

NEW JERSEY Aug 2017 - Mar 2019

Monitored and maintained hardware and network infrastructure.

Assigning dynamic and static IP addresses to servers and a hostname.

Monitored network infrastructure for performance issues, outages, security breaches, and anomalies.

Troubleshoot network problems such as TCP/IP, supporting users in solving their problems

Analysed logs, monitored data, and based on expertise isolated and resolved issues and restored services.

Maintained asset tracking documentation, and inventories and dispose of equipment as warranted.

Arranged video and audio equipment for conferences.

Maintained detailed documentation of network configurations, procedures, incident reports, and troubleshooting steps.

Red Hat Certified System Administrator (RHCSA)

Bachelor of Computer Science 2008 University of the Punjab, Lahore

mm

Summary

Professional Experience

Education

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