Pavana Kanthi Bejjam

Email: ad4bcr@r.postjobfree.com

Contact - +1-803-***-****

Overall Experience Profile:

With over 10 years in the IT industry, I bring extensive experience in DevOps, Middleware, and UNIX,Windows administration. Proficient in configuring, deploying, automating, and maintaining Linux, AIX, and Solaris operating systems. Skilled in monitoring application resiliency, DR, BCP events, and web servers such as Weblogic, JBOSS, Tomcat, and Apache. Adept at utilizing various DevOps tools like Jenkins, GitHub, Ansible, and Puppet. Additionally, I possess 3+ years of cloud administration experience, specializing in Azure services and Create and Maintain cloud infrastructure of various environments on AWS cloud,, extensively worked with AWS services like EC2, S3, VPC, ELB, Autoscaling Groups, Route 53, IAM, CloudTrail, CloudWatch, CloudFormation, CloudFront, SNS, and RDS, automation of clusters using Kubernetes,automation using PowerShell scripting and BASH.

Tools/Technologies:

OperatingSystems /virtualization

LINUX, windows, Vmware, HP-UX,AIX, Mainframes

Databases

MySQL, Oracle, Sy base, Point base

Application/web servers

Weblogic, JBOSS, Tomcat, Oracle Http Server, Apache 2.x, Sun ONE 6.x, MS IIS server 5.1/6.0, IBM-HTTP

Programming Languages

Ruby, python, C, C++, Java

Scripting Languages

BASH Shell, ksh, C shell, Powershell

Configuration management

CMDB

Security

Cyberark, thick client

Devops tools

Ansible, chef, puppet, Jenkins, Maven, ADO,UCD(Urban Code)

Cloud technologies

Azure, AWS, Pivotal Cloud Foundry

Networking & Protocols

TCP/IP, Telnet, HTTP, HTTPS, FTP, SNMP, LDAP, DNS, DHCP

Versioning tools

GIT, GITHUB, SVN,Visual studio code, ADO repos

Monitoring tools

Nagios, splunk

Ticketing tools

JIRA, BMC remedy, Servicenow, HPSM, Azure boards, ADO

Cloud

Azure, AWS

User/account management

Thick client, Active directory, Azure Active directory

Professional Experience:

Client: Wellsfargo,US, Contractor(July ‘23 – Till date) Site reliability Engineer, Pipeline Enablement and Lead Infrastructure Engineer

Complete understanding on the Jenkins agent and controller architecture, Installation, configuration and CI/CD setup of Prod, BCP, dev and SIT agents(workers) and Masters (controllers) for Jenkins along with the software upgrades as part of monthly releases

Adding new nodes, setting up system configurations including global settings and paths, Plugins, licences, credentials, ensuring health status, managing infra on Linux and windows OS.

Identifying RCA for various pipeline issues and build failures at different stages raised by Appteams and resolving them within SLA

Developed and implemented system monitoring and alerting tool that reduced system downtime and improved system availability.

Managing incidents and outages, including root cause analysis, troubleshooting, rapid response protocols, minimize downtime, track the data, create a protective maintenance plan and establish clear communication protocols, knowledge with systems, storage, networking, security and databases

Dealing various issues like memory, network, processes, CPU and allocating them memory and CPU capacity increases if needed in VMware.

Adding system users, NAS mounts, configuring idmand.cont, ulimits, SMTP like postfix relay, GCC, ssh for the newly requested servers for the new build environments in Jenkins

Creating and maintaining Service account, password rotations in Jenkins and Cyberark Shell and Powershell scripts for various adhoc activities and implementing them in Prod before testing in nonprod environments

Jenkins CLI setup and retrieving the information of the servers with commands and scripts from the Jump server without ssh to the servers.

Involved in BCP and disaster recovery plans between the database centers

Responsible for Jenkins monthly releases and upgrading infra changes(adding and upgrading new software) as part of monthly intake

Use Monitoring tools like Kibana, Grafana, splunk to view metrics Expertise in creating standard, normal, emergency Change Requests in Service Now and work with OSE teams for the implementations(providing implementation plans with installation and configuration in Production).

Worked on GITHUB for updating the scripts and expertise in GIT actions. Identify and resolve any issues related to GIT cloning, checkout, Maven(artifactory) or Gradle Build issues, Checkmarx fortify sonar Scans, UCD and Harness Deploy in Jenkins pipeline.

Client: Walgreens,US, Contractor(July ‘21 -June ‘23) Site reliability Engineer Cloud, Build and Release

Extensively worked on Cost reduction program by reducing the costs on various azure resources by following azure recommendations

Experience in creating and deploying services using ARM templates(.json) and parameter files in Azure

Containerize applications using AKS(Kubernetes), Creating Containers, installation of Docker engine, downloading images from Docker hub

Implementation of pipelines for various azure services like App insights, Web app, App services, function apps,keyault, storage accounts, service principles etc.,

Auto scaling/ manual scaling of App service plans, Virtual machine scale sets

Create and Assign RBAC permissions,access policies, roles to the storage accounts, users, groups function apps etc., and grant right access and privileges

Creation of Virtual networks, NSG’s, Subnets, inbound and outbound traffic rules, keyvaults, secrets, keys, Custom script extensions, Bastion service, Availability sets, Availability zones, IP addresses, load balancers, Bastion, Firewall, Virtual machine scale sets, VM images, Deployment slots, proximity placement groups

Creation of Load balancers, Point to Site(P2S), Site to site(S2S) VPN, Express routing, Virtual network peering, Application security groups

Creation of resources using Powershell commands,CLI and through Azure portal

Persistent storage using Disks and file shares

Experience in branching, tagging and maintaining Versions across environments using GIT, GITHUB, Bit bucket

Worked on GRD, GRA policies in making them compliance with the current policies

Performed AWS instance sizing based on the existing HW configuration and other metrics.

Chosen the appropriate AWS instances as per the assessment and Successfully completed the migration of Mobility systems of on premise to AWS cloud.

Involved in designing and deploying a multiple application of CISCO utilizing almost all of the AWS stack like EC2, EBS, S3, RDS, SNS, VPC, IAM, etc. focusing on high- availability, Disaster recovery.

Increasing EBS backed volume storage capacity, created S3 backups using versioning enable and moved migration data to S3 bucket.

Good understanding of ELB,security groups, NAT, Route 53, Cloud watch and cloud trail etc.

Created users, groups using IAM and assigned individual policies to each group.

Knowledge of AWS VPC, IAM roles, AWS Data center regions and Availability zones, Edge locations.

Create and Maintain cloud infrastructure of various environments on AWS cloud.

Client: Wellsfargo, Charlotte,US(Dec ’19 – June ‘21) Sr.Devops Engineer (Build and Release)

Integrated GIT into Jenkins to automate the code check-out process and Implemented a Continuous Delivery framework using Jenkins, Maven in multiple environments.

Installed and configured Jenkins for Automating Deployments and providing an automation solution.

Engineered Splunk to build, configure and maintain heterogeneous environments and maintained log analysis generated by various systems

24X7 on-call production support and troubleshooting problems related to Middleware applications and MQ Series

Provisioned release, feature, and hotfix environments for each sprint cycle.

Ensured smooth installation of all applications in both non-production and production environments.

Maintained YAML files, configured pipeline-related properties, and managed udeploy scripts.

Responsible for Jenkins version maintenance for every sprint iteration.

Deployment of infra changes through UCD and Jenkins and make sure applications are up and running without any issues

Maintenance of Snapshots and versions in UCD, creation of deployment and application process and make any changes in scripts depending upon the requirement

Familiar with creation of new Resources, Resource groups, Components, Environments etc.,

Integrated Sonar, Checkmarx, Fortify scans with Jenkins using the configuration in the CI/CD pipeline

Implementing a Continuous Delivery framework using Jenkins, Maven in Linux environment

Installed and administered Artifactory to deploy the artifacts generated by Maven and to store the dependent jars used during the build.

Creation of Jenkins jobs and using for auto upgrades of infra an usage of Master invoker(automated Jenkins job)for release/feature/hotfix provisioning and resolve any issues related to the Jenkins Jobs.

Migrated the Application Server from Oracle Weblogic to Tomcat application servers

Performed MQSeries Administration including inter-communication setup between Queue Managers, Triggering MQ Queues Repository Queue Managers

Managed middleware services like Database setup, Message queues, JNDI, JMS, JDBC, JMX

Strong understanding Clustering failover,high availability, firewalls, loadbalancers and routers.

Used Shell scripts to automate the deployment process.

Build scripts using MAVEN build tools in Jenkins to move from one environment to other environments.

Experience in administering and supporting the SCM tools including Git, Subversion on UNIX and Windows environments.

Deployments both manually and through Jenkins on various application servers like weblogic, jboss, tomcat

Additional experience:

- Fresenius Medical Care, Cognizant (Apr '16 - May '19): Senior Middleware/DevOps Engineer - Installed and configured servers, implemented CI/CD pipelines with Ansible, Docker, and Kubernetes. Proficient in CyberArk, GIT, YAML, and Websphere.

- Comcast, Cognizant (Jun '15 - Mar '16): Production Support Engineer (Linux) - Installed and configured Weblogic, Tomcat, Splunk, and provided 24x7 on-call support. Automated processes using shell scripts and maintained system performance.

- Hewlett Packard (Feb '14 - Jun '15): Linux/Middleware Engineer - Installed packages, performed network troubleshooting, managed configurations with Puppet, and documented changes using JIRA and ServiceNow.

- British Telecom (Apr '13 - Feb '14): Production Support Engineer, E2E Linux/Middleware/DevOps Engineer - Implemented Puppet for configuration management, managed servers, and provided extensive documentation support.

These roles collectively demonstrate a strong command of cloud infrastructure, automation, DevOps practices, and system administration within diverse environments.

Installed and configured Red Hat Enterprise Linux (RHEL) versions 5.3, 5.4, 6.9, and 7.4 using the Kickstart method.

Implemented over 300 servers for QA, end-to-end (E2E), and production environments.

Managed Logical Volume Management (LVM), Installation, configuration, support and security implementation on services like SSH, SAMBA, DHCP,NFS, DNS, HTTPD, YUM, RPM, implementing ACL’s, Networking trouble shooting using netstat,ifconfig,pping, traceroute commands, managing runlevels, package installations/uninstallations, updating forward and reverse lookup for new servers in domain, SELinux, special permissions SGID, SUID, stickybit, user groups across various environment servers.

Demonstrated proficiency in creating users and groups using IAM, with a focus on individual policy assignments.

Set up clustered environments with WebSphere Application Server.

Employed Git version control system for code management, including cloning, adding, committing, and pushing changes to central repositories.

Developed new Ansible YAML, Playbooks, Roles, and bash shell scripts for application deployments.

Proficiently maintained user accounts, including granting/removing sudo access and managing permissions using tools like CyberArk and thick client.

Developed various shell scripts for Business As Usual (BAU) activities to automate tasks and reduce manual effort scripts for system configurations, kickstart scripts, kernel installations, and post-package installations, license upgrades.

Handled deployments manually and through Jenkins on various application servers such as WebLogic, JBoss, and Tomcat

Addressed server and application-level issues during off-business hours, including starting/stopping admin servers, managed servers, and containers.

Installed and configured Oracle WebLogic, Adobe CQ5, Apache Tomcat Server, Apache HTTP Server, VMware vFabric Server, and Akamai.

Monitoring using Splunk queries and Nagios for monitoring server performance and log management.

Conducted system performance monitoring, tuning, and log management.

Managed disk space, processes, and backups, and performed day-to-day operations on VSphere.

Collaborated with DevOps and Production teams to ensure pipeline efficiency.

Highly proficient in deployment automation using DevOps tools like Puppet and Ansible and Installed Puppet master and slave on various Linux environments..

Configured and managed Puppet, Chef, and Ansible for configuration management.

Developed custom Puppet modules for managing full application stacks and implemented Puppet automation for environment server monitoring.

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