Janaki Charan Chandragiri
Bengaluru
Summary
To seek and maintain full-time position that offers professional challenges utilizing interpersonal skills, excellent time management and problem-solving skills.
Overview
9
9
years of professional experience
1
1
Certification
Work History
Infra Managed Service Specialist
Accenture Solutions Pvt.Ltd
03.2017 - Current
- Red Hat Certified System Administrator with 8 years and 10 months of experience in Linux server administration, including 2 years and 6 months as a Kubernetes administrator and 2 years in Ansible automation.
- Well versed in different flavours of OS such as RHEL 8.x, 7.x and 6.x, SUSE, Centos 6.x and 7.x and Ubuntu servers.
- Developed playbooks in ansible to automate administration activities.
- Supporting 5000+ Linux & UNIX Servers including Production, DR (disaster recovery), Testing and Development Servers running on both private and public cloud.
- Improved customer satisfaction by addressing and resolving service-related issues promptly and professionally.
- Consistently met or exceeded performance metrics related to service quality, response time, and customer satisfaction scores.
- Achieved high levels of productivity by optimizing workload management methods and prioritizing tasks according to urgency.
- Implementing thorough and effective vulnerability remediation measures to fortify system security and ensure resilience against potential threats.
- Streamlined post-build tasks effortlessly through the utilization of Ansible automation.
- Server provisioning in vmware,AWS,Azure
- Conducting quarterly operating system patching for application servers with seamless efficiency and precision.
- Integrating Keycloak for identity and access management, configuring roles, groups, and permissions for users and applications within Kubernetes clusters.
- Deploying and managing MinIO as an object storage solution for persistent storage needs of Kubernetes applications, configuring storage classes, and managing data lifecycle policies.
- Deploying and managing Couchbase as a NoSQL database solution for stateful applications in Kubernetes, including cluster setup, scaling, backup, and performance tuning.
- Deploying and managing Harbor as a container image registry, ensuring secure storage and distribution of container images within the Kubernetes environment, implementing access controls, and managing image replication.
- Integrating monitoring and logging solutions with Keycloak, MinIO, Couchbase, and Harbor to monitor performance, track usage metrics, and troubleshoot issues effectively.
- Collaborating with vendors of Keycloak, MinIO, Couchbase, and Harbor to resolve issues, receive updates, and stay informed about new features and enhancements.
- Application images contain the code and dependencies required to run your application. Updating images involves building a new version of the image, tagging it appropriately, and then updating the deployment or pod configuration to use the new image.
- Defining pod specifications in YAML files, deploying them to the cluster using kubectl, and ensuring they remain healthy and available.
Senior Linux Administrator
ETeam Inc
07.2015 - 01.2017
- Interacted directly with users to diagnose and correct major system issues and address concerns.
- Maintained high availability of Linux servers through vigilant monitoring, preventive maintenance, and rapid issue resolution.
- Provided production support of various applications on RHEL 6/7/8 servers.
- Performing File System creation with LVM.
- Installation of software and packages using yum & RPM, firmware upgrades and patch management and Change creation.
- Troubleshooting issues related to Filesystem, system down or failed to boot, Service stop/start, CPU, Memory, Swap usage, Backup failure, and other performance related issue.
Education
Graduation - Computer And Information Sciences
JNTU A
04.2012
Skills
Linux
VMware
AWS
Azure
Docker
Kubernetes
Ansible scripting
Shell scripting
Escalation handling
Incident Management
Change Management
Problem Management
Certification
Redhat Certified System Administrator(RHCSA)
AWS Certified solution Architect - Associate
AWS Certified SysOps Administrator – Associate
Timeline
Infra Managed Service Specialist
Accenture Solutions Pvt.Ltd
03.2017 - Current
Senior Linux Administrator
ETeam Inc
07.2015 - 01.2017
Graduation - Computer And Information Sciences
JNTU A
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