LInux/ DEvOps Engineer

Location:

Posted:

May 26, 2025

Resume:

S U M M A R Y

I have gained *+ years of strong experience as a LINUX System Administrator/Engineer and Production Support of various applications on Red Hat Linux environment.

Configured and automated the server-side applications of Linux Systems along with Kernel tuning, Disk management, performance, automating tasks, user management, NIC bonding, and troubleshooting.

To satisfy the pace of technological dynamic perceptivity of cloud AWS services namely VPC, Cloud Formation, IAM, AMI, EC2, Cloud Watch ELB, S3 and Autoscaling VPC.

To diversify my knowledge got trained of DevOps tools like Docker, Git, Jenkins and Ansible, Kubernetes.

Top-notch experience in installation of packages using Yellowdog Updater Modified and RedHat Package Manager on various servers and creating YUM repository server.

Professional at installing, upgrading and configuring of Red Hat Linux using PXE Boot/ Kickstart and interactive installation. An acknowledged expert in automation of Packages and patching, Ansible playbooks, System security maintenance using automation tools like bash scripting and maintaining user accounts.

Well qualified in setting up network environments and file sharing using NFS.

Efficient enough for working with different teams such as Network Engineering, Database teams, security team and data Centre team to resolve the issues application teams, storage team and provide customer Satisfaction.

CORE COMPETENCE:

Operating Systems: Red hat 6, 7, 8 & Centos 6, 7 and 8, Ubuntu

Patching: YUM, RedHat Satellite

Storage: SAN, NAS, DAS, NFS

Virtualization: VMware, vSphere, Hypervisor

Microsoft Azure: Azure VM, Virtual Networks, Azure Storage, Azure App Service, MFA, AD

Backup & Trouble shooting: Nagios Core, Nagios XI, Cloud Watch, NetBackup

Configuration Tools: Vcenter, ILO, IDRAC

Amazon Web Service: EC2, EBS Volume, S3 buckets, Glaciers, IAM, AMI, RDS, Cloud-watch, Cloud Formation

Hardware: HP ProLiant, Cisco, HP ProLiant DL (360,380,420), Dell PowerEdge (R610, R710)

Languages: Bash Scripting, Shell Scripting, YAML, Python

DevOps Tools: Ansible, AnsibleTower, Bash scripting, Git, Docker, Jenkins, BladeLogic,

ServiceNow, AWX

Applications/ Servers: TCP/IP, DNS, APACHE, NFS, LVM, SSH, RAID, PXE Boot, Yum Repo

Database: SQL, MySQL, MariaDB, MongoDB

W O R K E X P E R I E N C E

Comcast Chicago Dec 2022 -present

Linux/DevOps Engineer

Responsibilities

Administer and maintain Linux-based servers (Ubuntu/CentOS), ensuring 99.9% uptime and performance optimization.

Create, manage VMs (RHEL/ CentOS) and involved in virtual server maintenance on VMware EsXi.

Developed and maintained CI/CD pipelines using Jenkins/GitLab CI to automate build, test, and deployment processes.

Experience working with GIT for version control and repository management involving, cloning, pushing, pulling, branching of repositories and used Source code management client tools like Git lab, GitHub.

Created and managed Docker containers for application packaging and consistent environment setup.

Managed configuration and provisioning of infrastructure using Ansible and Terraform.

Deployed applications on Kubernetes clusters, handling rolling updates and load balancing.

Automated routine tasks and monitoring with Bash/Python scripts, reducing manual intervention by 40%.

Collaborated with developers to troubleshoot deployment issues in Linux environments.

Integrated monitoring tools like Splunk, Prometheus, Grafana, and ELK stack for infrastructure visibility and alerting.

Configuration Management in different Linux flavors and configured various services such as DNS, NTP, HTTP, HTTPS, TFTP, FTP, DHCP and SAMBA.

SME In incidents management, change requests and service requests were performed Root cause analysis while solving network-related, performance, disk management and LVM management issues.

Improving Security (vulnerability) through patching of servers using local repositories.

Extensive knowledge of MySQL and MongoDB databases.

Experience working on AWS launching EC2 instances and configure their cloud environment.

Manage role, policies for S3 buckets and use S3 buckets/Glacier for storage and backup on AWS.

Automated server provisioning and software installation using Bash scripting and GCP Cloud Shell

Respond to all LINUX system problems 24x7 as a part of on-call rotation and resolving issues promptly.

Extensive knowledge of Performance Monitoring of CPU, Memory, Swap, Disk utilization, and monitor networking issues.

Create, manage VMs (RHEL/ CentOS) and involved in virtual server maintenance.

Managing, installing, and upgrading software packages for servers using RedHat

ServiceNow Incident Management, Problem management, Change management, Business rules, Client scripts, UI policies, REST API, SOAP, Integration Hub, Workflow, Service catalog, Form Design.

Bank of America California Oct 2020 -Nov 2022

Linux System administrator

Responsibilities

Provide system deployment, system administration, and troubleshooting for operational support of Linux based Prod and Dev servers.

Deploy and configure Virtualization technologies such as VMware ESXi.

satellite repositories.

Preparation and execution of server patching and upgrading using Ansible tower patching projects.

Configuration Management in different Linux flavors and configured various services such as DNS, NTP, HTTP, HTTPS, TFTP, FTP, DHCP and SAMBA.

SME In incidents management, change requests and service requests were performed Root cause analysis while solving network-related, performance, disk management and LVM management issues.

Improving Security (vulnerability) through patching of servers using local repositories. Experience using Ansible as a configuration management tool. Writing Ansible playbooks to install application stacks and patching. Using Ad-hoc commands as needed for administrative tasks.

Manage Docker containers, starting, stopping, killing, running and expert in pulling Docker images.

Exposure of Kubernetes to manage containers.

Experience working on AWS launching EC2 instances and configure their cloud environment.

Manage role, policies for S3 buckets and use S3 buckets/Glacier for storage and backup on AWS.

Respond to all LINUX system problems 24x7 as a part of an on-call rotation and resolving issues promptly.

Experience in Logical Volume Manager (LVM) for the management of disk volumes.

Extensive knowledge of Performance Monitoring of CPU, Memory, Swap, Disk utilization, and monitor networking issues.

Performed system upgrades, patches, and troubleshooting on VAX/VMX platforms.

Managed and maintained VAX/VMX (Virtual Address extension / Virtual Machine Extensions) systems to ensure high availability and optimal performance.

Helped application team to deploy their code using CI/CD pipeline.

Integrated Datadog into CI/CD pipelines to monitor application health and deployment stability.

Monitored infrastructure performance using Datadog dashboards and alerts.

Integrated Datadog with Azure Monitor, Azure App Services, and Azure Kubernetes Service (AKS) to provide end-to-end observability across cloud workloads.

Extensive knowledge of MySQL database.

Designed and optimized MongoDB databases for a high-traffic web application, improving query performance by 30%.

Implemented sharding and indexing strategies to scale MongoDB for large datasets.

Verizon Media, Warren, NJ Oct 2018 - Sep2020 Linux System Admin

PROFICIENCY:

Installed, configured, maintained, and supported Enterprise RedHat Linux & CentOS 5, 6, 7 servers with PXE-boot and kickstart.

Installed and built physical servers and virtual EXSI (VMware). Installation and upgradation of Package using YUM and RPM. Setting up NFS server for file sharing and storage.

Creating logical volumes, extending the file systems included ext2, ext3, ext4 and XFS using LVM.

Setting up secure password less access with SSH authentication.

Monitoring System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.

Expert in installation of packages using Yellowdog Updater Modified and RedHat Package Manager on various servers and creating YUM repository server.

Performed scheduled system backups through NetBackup.

Monitored system logs through Splunk server and collected logs in order to analyze them. Monitored system performance through Nagios core and configured newly provisioned servers to be monitored by Nagios server.

Worked with Bash scripts to automate daily tasks.

Creating and Managing user accounts through active directory. Involved in decommissioning process.

Performed regular incremental backups using TAR and RSYNC commands for data recovery in the Linux servers.

þ Used Nagios as a monitoring tool to identify and resolve infrastructure problems before they affect critical processes.

Investigated critical issues, determine impact to provide solutions and documented Root Cause Analysis (RCA) when required.

Developed and implemented backup, recovery, and disaster recovery strategies for VAX/VMX environments.

Enabled full-stack observability by integrating Datadog with AWS CloudWatch, Kubernetes, and Docker logs.

Experience of Raid levels (0, 1, 5, 6, and 10) for improving performance and redundancy. Reading and utilizing SYSLOG to troubleshoot system issues.

Integrated MongoDB with Node.js and Express to create a RESTful API.

Used MongoDB Aggregation Framework to process large datasets, generating insights for business analytics.

Experience in system administration, system builds, server builds, installs, upgrades, patches, migration, troubleshooting, security, backup, performance monitoring and fine tuning on RedHat Linux systems.

Halliburton, Houston, TX Jul 2017 - Sep 2018 Linux Admin

Accountabilities:

Provide support for internally developed tools.

Dealt with user management, group management, account creation, termination, and modification.

Worked on creating files and directories, setting up permissions based on service request. Maintained server hardware to ensure perfect functionality.

Configured and deploy new equipment and other peripheral accessories. Built and provisioned servers BM using bootable device.

Racking and stacking of new servers.

Provided support in handling queries and issues related to computer systems.

Ensured end users satisfaction by monitoring and responding quickly and effectively to requests received.

Used MongoDB Atlas for cloud database hosting, ensuring security and scalability.

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