Summary
Overview
Work History
Education
Skills
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Chaithanya Vadlamudi

Seattle

Summary

Results-driven Linux Administrator and DevOps Engineer with 8 years of experience in managing enterprise-level Linux environments, automating infrastructure, and ensuring high system availability. Proficient in administering Red Hat Linux, SUSE, Ubuntu, AIX, and CentOS, with expertise in system planning, security management, and performance tuning. Skilled in utilizing automation tools like Ansible, Puppet, and Terraform to streamline deployments, configuration management, and patching. Extensive experience in deploying and maintaining applications on Apache Tomcat, WebSphere, and JBoss. Strong background in monitoring and alerting tools like Nagios, Grafana, Prometheus, Sumo Logic, and New Relic, ensuring proactive issue resolution. Hands-on experience with cloud platforms such as AWS and Azure, optimizing EC2 instances, EBS volumes, IAM roles, and CloudWatch monitoring. Implemented CI/CD pipelines with Jenkins and Azure DevOps, automating software releases and infrastructure provisioning. Adept at troubleshooting, root cause analysis, and optimizing system performance. Committed to maintaining system security, high availability, and disaster recovery strategies while providing 24/7 production support.

Overview

10
10
years of professional experience

Work History

RedHat Linux/Linux Administrator

Alaska Airlines
Seattle
02.2019 - Current
  • Maintained and administered Linux/Unix operating systems, including RHEL and UNIX servers.
  • Managed software packages and upgrades using RHEL Satellite and Repository servers, ensuring systems remain secure and up to date.
  • Installed and configured OpenShift clusters on Linux-based environments to ensure high availability and scalability.
  • Integrated OpenShift pipelines with Jenkins, GitLab CI/CD, and Ansible to streamline application deployment workflows.
  • Worked extensively with BeyondTrust PowerBroker for Unix/Linux to enforce least-privilege access across production RHEL and Solaris environments, supporting secure operations and regulatory compliance.
  • Defined and implemented fine-grained access control policies, configured privilege elevation rules, and integrated PowerBroker with LDAP/Active Directory for centralized authentication and role mapping.
  • Collaborated with InfoSec and compliance teams to design custom sudo command filters and enforce access boundaries, ensuring only authorized users could perform privileged operations.
  • Managed ongoing PowerBroker administration, including policy updates, health checks, and troubleshooting to maintain stability across critical infrastructure.
  • Used BeyondInsight and SIEM integrations to forward audit logs, support compliance reporting, and improve visibility into user activity and elevated sessions.
  • Participated in audits by generating access control reports and demonstrating effective enforcement of privilege separation and session logging.
  • Provided training and documentation to support teams on PowerBroker workflows and best practices for secure privilege escalation on Linux systems.
  • Developed Ansible roles to simplify management of large playbooks and deployed applications across Linux/Unix platforms.
  • Automated server administration tasks using Ansible, managing inventory deployment via the Ansible Control server.
  • Utilized Ansible for infrastructure automation, improving efficiency in deployment processes across multiple environments.
  • Managed Azure release pipelines to deploy new builds and automated administrative tasks.
  • Implemented Continuous Delivery pipelines with Jenkins, GitHub, and AWS for streamlined deployment.
  • Installed and configured PostgreSQL databases, performed database performance tuning, and ensured security settings.
  • Handled database procedures such as upgrades, backups, recovery, and migrations.
  • Conducted capacity analysis, monitored disk space usage, and optimized system parameters for better performance.
  • Provided support for application configuration changes and troubleshooting across Test, QA, and Production environments.
  • Automated tasks using Crontab and Bash shell scripting, performing health checks on multiple application servers.
  • Set up monitoring for OpenShift clusters using Prometheus and Grafana for performance tracking and troubleshooting.
  • Created and maintained custom Grafana dashboards for real-time monitoring of system and application performance.
  • Implemented and configured Prometheus for metrics collection and alerting, managing custom queries (PromQL) for monitoring.
  • Utilized Kibana to visualize log data from Elasticsearch, identifying and troubleshooting issues within applications and infrastructure.
  • Managed AWS infrastructure, deploying and automating services using EC2, S3, RDS, and other AWS tools.
  • Provided 24/7 on-call support, troubleshooting network, application, and server-related issues.
  • Developed and maintained detailed documentation on Linux server builds, policies, and procedures for consistent administration.

RedHat Linux/Unix Administrator

Avaya
Dallas
01.2017 - 02.2019
  • Handling a team where providing solutions as subject matter expect to techs onsite and offshore.
  • Installation, configuration and Administration of Redhat Linux Servers and Solaris Servers.
  • Deployed and managed the Tanium platform for enterprise-wide endpoint management, ensuring seamless integration with Linux environments.
  • Configured and optimized Tanium modules such as Asset, Patch, and Deploy for efficient system monitoring and updates.
  • Utilized Tanium to perform real-time monitoring, gather endpoint data, and troubleshoot performance issues across Linux servers.
  • Working throughout all levels of the organization and worked closely with the engineering and quality teams, Operations, Deployment and Production Support teams. Involved in deploying and applications into Production environments.
  • Created a DevOps workflow using Jenkins, GIT and Ansible and used Ansible playbooks to setup Continuous Delivery pipeline. This primarily consists of a Jenkins and Sonar server, the infrastructure to run these packages and various supporting software components such as Maven, etc.
  • Involved in conversion/migration of database from Access, SQL Server, DB2, flat files to Oracle data warehouse.
  • Created Root Cause Analysis (RCA) for any server outages and server problems.
  • Installation and configuration of Web Application servers like Apache, Tomcat and Weblogic.
  • Automated multiple AWS Services such as EC2, S3, RDS, Security Groups, AMI, KMS using Ansible.
  • Experience in installing, configuring and troubleshooting VMware View Composer and View Connection Manager to make Virtual Desktop Infrastructure efficient and to simplify desktop administrative management tasks. Responsible for successfully upgrading all hosts and vCenter servers to vSphere 4.1.
  • Involved in developing custom scripts using Python, Perl & Shell (bash, ksh) to automate jobs.
  • Performed security audits and consult Risk Management team to enhance system security and policy standards; configure powerbroker security tool, install and system patching.
  • Created & configured Network & Kickstart installation for RedHat Linux servers in enterprise environment and well familiar with NIC/Channel bonding on RedHat servers.
  • Web Server Administration - Configuring, managing multiple web server instances in Apache, Configuring & trouble shooting the problems related to application servers Weblogic, jboss, tomcat and determining the process states and get them restarted in case they are hung.
  • Taking Snapshots in the environment. Creating templates as per various business requirements.
  • Creating Change Controls, Resolving Incident Tickets and Problem Tickets using Service-Now ticketing tool, and ability to multitask in a fast-paced environment under strict SLA and resolve Production Incidents with minimum impact.
  • Worked with Red Hat Satellite Server, which is used to push changes across various servers simultaneously.
  • Conducted Annual Disaster Recovery exercises for applications on different platforms.
  • Add, remove and resizing Logical volumes using LVM in Linux and implementing software RAID at installation time.
  • Software package and patch administration, involving adding and removing software packages and updating patches.

Linux / Unix Engineer

Innovista Technologies Private Limited
Hyderabad
07.2015 - 12.2016
  • Maintained Linux/Unix environments, including RHEL, UNIX, and Solaris servers.
  • Automated server provisioning using System Imager, PXE, Kickstart, and Jumpstart.
  • Installed and configured Solaris 10 servers with Zones, Containers, and SUN ZFS.
  • Set up failover load balancing using IP bonding for network cards.
  • Managed disk and volume management using VERITAS Volume Manager (VxVM) and VERITAS File System (VxFS).
  • Collaborated with SAN teams for storage allocation and multi-path disk management.
  • Planned, documented, and implemented Disaster Recovery policies and conducted annual DR exercises.
  • Performed upgrades, patches, troubleshooting, and maintenance on UNIX servers.
  • Administered high availability clusters using Red Hat Cluster and VERITAS Cluster Server (VCS).
  • Managed Change and Trouble tickets while ensuring compliance with IT standards.
  • Wrote and published Bash and Perl scripts for automation and VM provisioning.
  • Configured and maintained Network File Services (NFS) and Network Information Services (NIS) in Linux environments.
  • Installed and configured VMware/ESX, created VM instances, and migrated applications.
  • Worked in LAMP (Linux, Apache, MySQL, PHP) environments for application monitoring.
  • Configured Apache, Tomcat web servers, and LAMP stacks for web applications.

Education

Masters of degree - Information Assurance

Wilmington University
08.2018

Bachelor of Technology - Electrical & Electronics Engineering

PVP Siddhartha Institute of Technology, JNTUK
04.2016

Skills

  • Red Hat Enterprise Linux (RHEL)
  • CentOS
  • Ubuntu
  • SUSE
  • AIX
  • AWS (EC2, EBS, S3, IAM, CloudWatch)
  • Azure
  • Vmware
  • Ansible
  • Puppet
  • Terraform
  • Shell Scripting
  • Jenkins
  • Git
  • Azure DevOps
  • Docker
  • Kubernetes
  • Nagios
  • Grafana
  • Prometheus
  • Kibana
  • Sumo Logic
  • New Relic
  • Bash
  • Python
  • PowerShell
  • Oracle
  • PostgreSQL
  • MySQL
  • Load Balancers (F5 LTM)
  • Firewalls
  • SSH
  • SSL/TLS
  • TCP/IP
  • DNS
  • DHCP

Personal Information

Title: Linux Systems Administrator

Timeline

RedHat Linux/Linux Administrator

Alaska Airlines
02.2019 - Current

RedHat Linux/Unix Administrator

Avaya
01.2017 - 02.2019

Linux / Unix Engineer

Innovista Technologies Private Limited
07.2015 - 12.2016

Masters of degree - Information Assurance

Wilmington University

Bachelor of Technology - Electrical & Electronics Engineering

PVP Siddhartha Institute of Technology, JNTUK

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Chaithanya Vadlamudi