Sai Kumar Kuntla
Senior Devops Engineer
Hyderabad
Summary
Dynamic IT professional with over 14 years of experience, including 8 years as a Site Reliability Engineer (SRE) and DevOps Engineer, specializing in container platforms, Kubernetes, and cloud-native transformations. Proven track record in designing, deploying, and optimizing large-scale Kubernetes environments that enhance agility, security, cost efficiency, and operational excellence for enterprises. Certified in CKA, Red Hat Ansible, AWS Solutions Architect Associate, and Red Hat Linux, with deep expertise in infrastructure automation and leading cross-functional teams to build resilient container platforms. Committed to fostering high-performing teams and aligning technology with business objectives while continuously exploring emerging trends in Kubernetes, AI, and platform engineering.
Overview
14
14
years of professional experience
2
2
Certifications
Work History
Technical Lead
Valuelabs
05.2021 - Current
- I am a SRE Devops Engineer to design, deploy and optimize large-scale Kubernetes environments , enabling enterprises to achieve agility, security, cost efficiency, and operational excellence.
- Migrating containerazied applictaions from on-prem to cloud and vice-versa using helm charts.
- Demonstrate and help application teams for the deployment process to host applications in Kubernetes clusters via CICD pipelines
- Manage Kubernetes clusters in cloud and on-prem with different version to deploy the applications from end-users and manage the cluster activities which includes cluster upgrade/refresh, AMI Rehydration.
- Developed and maintaining Rancher set up as cluster maintenance tool and accessible for application team via UI to take control over the deployments.
- Working on Cloudfare, F5, Saurus for networking and DNS configuration with Terraform code.
- Working on Grafana for cluster monitoring and Kafka, Splunk, Kibana for Application monitoring.
- Performing the cluster maintenance activities like cluster upgrade, OS migrations to keep the cluster active and to enhance the performance
- For any repeated issues will be initiating the scripts to reduce the manual efforts which are reported by the monitoring tools like Disk space issues, certificate expiry, pod/node down issues.
- Project-1
- Employer: Valuelabs
- Account: WEBMD and Benefitfocus
- Job Title: Technical Lead
- Start Date: May, 2021
- End Date: Till Date
- Responsibilities and Key Accomplishments:
MTS III Cslt-Sys Engrg
Verizon India Data Services
08.2017 - 05.2021
- End-to-End responsible for complete creation of K8S Cluster and also Cluster Refresh using Jenkins Pipeline that fetches the Golden AMI for AutoScaling of EC2 Instances.
- Configured MINIO on onprem and OCI environment as S3 storage to backup the resources.
- Configured VELERO the backup tool to backup all the resource data to S3 buckets and MINIO.
- Played a vital role in platform automation and took initiative on Kubernetes Platform Automation and completed major tasks that helped the Platform more stable and highly scalable for feature development needs
- Performed Kubernetes Cluster version Upgrades on the Onprem, AWS Cloud and Oracle Cloud Infrastructure K8S environments from 1.14.5 to 1.15.5 and also from 1.15.5 to 1.16.8 versions.
- Migrated Image repository (oneartifactory) from 1.0 to 2.0 across all the clusters.
- Managed Secrets and Sealed secrets configuration across the platforms
- Owned and managed the Gitlab Runner configurations to all the App teams
- Took lead on the configuration of Shared subdomain DNS across the environments.
- Customized a script to apply Limit ranges and resource quota for Application Namespaces.
- As a proactive team player, I have done a Portworx (Persistent Volume) Implementation and I/O Performance Testing on Onprem environment for the Sensitive data Applications hosted in K8S
- Performed AMI Rehydration on AWS Cloud K8S clusters across two regions
- Collaborated with Internal and external application teams for knowledge sharing on the PCF to K8S App migration and helped them towards achieving their Migration goals
- Supported APP teams to launch their applications in K8S cluster’s from end to end.
- Have work with many Portfolio's Applications Team and helped them on K8S and AWS Public Cloud Migrations
- Project-2
- Employer: Verizon India Data Services
- Job Title: MTS III Cslt-Sys Engrg
- Start Date: August, 2017
- End Date: May, 2021
- Responsibilities and Key Accomplishments:
Sr. Linux Administrator
WIPRO TECHNOLOGIES Ltd
05.2012 - 08.2017
- System administration, maintenance and monitoring various day-to-day Operations.
- Building both physical and virtual Linux servers.
- Troubleshooting on booting the OS
- P2V Migrations
- Multipath and Powerpath configuration
- EMC Powerpath utilities
- YUM configurations with OS image and satellite server
- NIC bonding, Vlan tagging and adding routes according to the requirement and environment.
- Monitoring System Performance, Managing Swap Space, Disk utilization and CPU utilization.
- Administering Disks and File systems using LVM, dynamically extending and reducing partition sizes as and when required.
- Package management with RPMs & YUM management with satellite server in Red Hat Linux.
- Installations and upgradation of kernel.
- User Management, LDAP management
- Linux based Firewall setup with IP Tables.
- Resolving mount point full issues like /var, / and other application file systems.
- Scheduling of automatic repetitive jobs with crontab
- Experience in Configuring and maintaining Network file system (NFS) and Samba.
- Troubleshooting day to day issues based on the ticket system and closing the ticket within the SLA.
- Having good knowledge on Vcentre and other Unix flavours Solaris,AIX etc.
- Participated in a 24/7 shift support maintenance to client on Linux Servers.
- Created scripts to Create user in multiple servers, Health check of servers and clearing RAM automatically when it reaches threshold.
- Ticketing Tools : Service Now, Remedy and EHelpline
- Monitoring Tools : OpenNms, Solarwinds
- Project-3
- Employer: WIPRO TECHNOLOGIES Ltd
- Job Title: Sr. Linux Administrator
- Start Date: May, 2012
- End Date: August,2017
- Responsibilities and Key Accomplishments:
Education
Master of Science - Software Engineering
BITS Pilani Hyderabad Birla Institute of Technology And Science
Hyderabad, India 04.2001 -
B.S. - Computer Science
Bhavan’s Vivekananda Degree college Osmania University
01.2012
Skills
Proficient in Kubernetes management
Skilled in containerization using Docker
AWS cloud infrastructure expertise
Certified in Ansible configuration management
Experience with shell scripting and Python
Proficient in UNIX and Linux environments
Experience with Jenkins in continuous integration and delivery
Certification
Red Hat Ansible Automation Specialist
DECLARATION
I hereby declare that the above furnished details are true to my knowledge and if an Opportunity is given, I assure you, I will prove to be an asset to your Organization and do my best services. Thanking you in Anticipation Place: Hyderabad Name: Sai Kumar K
Timeline
Technical Lead
Valuelabs
05.2021 - Current
MTS III Cslt-Sys Engrg
Verizon India Data Services
08.2017 - 05.2021
Sr. Linux Administrator
WIPRO TECHNOLOGIES Ltd
05.2012 - 08.2017
Master of Science - Software Engineering
BITS Pilani Hyderabad Birla Institute of Technology And Science
04.2001 -
B.S. - Computer Science
Bhavan’s Vivekananda Degree college Osmania University