Summary
Overview
Work History
Education
Skills
Certification
Work Availability
Accomplishments
Timeline
Generic

Krishna Rajni Ledla

Summary

Dynamic Senior Principal Consultant with Halliburton Landmark, specializing in DevOps practices. Expert in Kubernetes and CI/CD automation, achieving a 40-hour monthly time saving. Proficient in AWS and Azure cloud environments, with strong problem-solving skills and a commitment to enhancing team productivity through effective training and collaboration.

Overview

8
8
years of professional experience
3
3

Certifications

Work History

Senior Principal Consultant (DevOps)

Halliburton Landmark
06.2021 - 03.2025
  • Managed container orchestration with Kubernetes on Amazon EKS & Azure AKS to deliver highly available applications in a microservices architecture.
  • Led technical workshops on deploying containerized applications using Kubernetes orchestration tools, empowering developers with essential skills needed for modern software development practices.
  • Streamlined development processes with continuous integration tools such as Jenkins, GitLab reducing build times and minimizing errors.
  • Administration and maintenance of Jenkins and GitLab servers.
  • Optimize Kubernetes configurations, including namespaces, pods, services, and networking.
  • Creation and configuration of optimized node pool for memory and CPU hungry services, applying taints and tolerations.
  • App-gateway configuration to add listeners, backend pools, backend settings, backend targets, listeners, and enable firewall rules.
  • Self-signed certificate management involving creating secrets, updating configmaps and configure app-gateway.
  • Advanced of Docker including writing Dockerfiles for Development Team.
  • Spearheaded the automation of build and deployment processes leading to a 40-hour monthly time saving.
  • Boosted productivity levels by automating repetitive tasks using shell & python scripting techniques.
  • Coordinated with Client’s Infrastructure and technical teams to optimize cloud resources, reducing costs.
  • Configuration of comprehensive helm charts to facilitate the deployment of large-scale applications, integrating multiple services and utilizing helmfile templatization.
  • Installation of Istio service mesh, namespace labelling, Sidecar injection status & troubleshooting.
  • Set up monitoring and alerting systems using tools like New Relic & integrate with AKS/ EKS clusters to view data on dashboards.
  • Ongoing technical support for applications and infrastructure, ensuring smooth operation by actively monitoring systems, troubleshooting issues, and quickly responding to incidents.
  • Perform root cause analysis for incidents and implement solutions to prevent future occurrences.
  • Automated API & Smoke tests to run on a schedule and send the output to teams & group email.
  • Streamlined infrastructure management through automation using industry-leading tools such as Kubernetes, and Terraform.

Senior DevOps Engineer

LNT Consultancy Services
02.2019 - 06.2021
  • Reduced deployment times with the introduction of CI/CD pipelines for multiple projects.
  • Containerization of node.js, Java & Python microservices.
  • Deploy applications using Docker and orchestrate containers with Amazon ECS, EKS (Kubernetes).
  • Implement IAM policies, roles, and permissions for security best practices.
  • Created and administered EC2 instances, S3 buckets, Route-53 domains, EBS, EFS volumes using AWS Console and CLI.
  • Design highly available systems using Auto Scaling Groups (ASG), Elastic Load Balancer (ELB), and Multi-AZ deployments.
  • Automating deployments and maintenance of QA, pre-prod and Production environments.
  • Configured Jenkins variable library and maintained one common master Jenkinsfile for individual microservice Jenkinsfiles.
  • Scheduled kubernetes cronjob to delete data on Postgres database generated due application load testing.
  • Installed SSM agents on the project virtual machines and attached SSM role to the instances.
  • Created customized Jenkins slave AMI by installing fortify agents and other project dependencies.
  • Continuous support to Cross-functional teams by accommodating requests and resolving issues.
  • Used Postman tool for API testing, automation, and monitoring.
  • Automated API collection testing suite for application testing by creating a Kubernetes Cronjob by baking in the collections in a docker image.
  • Creation of users, clients and roles in keycloak for users integrated with OKTA.
  • Trained Development team on Jenkins build configuration, Helmfile deployments so as to get a handle on deployments.
  • Attending LIFE workshops and providing support for application while demonstrated to clients.

DevOps Developer

Cynet Systems
09.2018 - 01.2019
  • Collaborated with cross-functional teams to ensure seamless integration of new features.
  • Continuously updated skills through training courses, workshops, and self-study—staying current on industry trends and emerging technologies.
  • Managed large-scale migration projects to transition on-premises applications to the AWS cloud environment.
  • Supported deployment of applications on cloud platforms such as Azure or AWS, enabling rapid scalability as needed.
  • Writing Dockerfiles and creating docker images for Development team.
  • Image promotions to test, preproduction and production using Jenkins & Jfrog.
  • Deploying docker containers on application VM's for Dev testing.

AWS DevOps Engineer

Keshav Consulting Solutions LLC
05.2018 - 09.2018
  • Improved code deployment efficiency by automating processes with CI/CD pipelines.
  • Developed an automated, continuous, build process to review the source code, identify build errors and notify appropriate parties and expedite synchronization to the latest build.
  • Extensively worked on Git for version control and GitHub for source code management.
  • Designed GIT branching strategies, Created and maintained source control branches, performed integrations and resolved merge conflicts.
  • Installed, configured and managed a centralized Jenkins at corporate level and integrated it with the corporate LDAP to manage access controls.
  • Migrated all the build jobs to a centralized Jenkins by participating and coordinating with various project teams.
  • Configured Jenkins pipeline job to perform the end to end CI/ CD code build, deployment and regression test processes.
  • Created an encrypted AMI out of the instance and copied it to both USEast-1 and US-West-2.
  • Created a Jenkins pipeline job to generate artifacts and upload them to the artifactory, perform the docker container builds, create a docker image and upload it to the local docker hub.
  • Pulled the docker image and deployed it to various environments.
  • Installed and configured Kubernetes cluster On-premises and in AWS environment.
  • Created and managed Kubernetes objects like pods, namespaces, applications, replication sets and deployments by using YAML scripts.
  • Deployed the pods in Kubernetes cluster in corresponding namespace.
  • Managed the clusters CA certificates in Kubernetes and worked on the Fluentd component for logs collection.
  • Managed the application property files by using the config set.
  • Created and managed persistent volumes and volume groups for containers.
  • Created S3 backups by enabling versioning and configured life cycle policies to transfer data from S3 standard to Glacier.
  • Involved in maintenance and performance of Amazon EC2 instances.
  • Created load balancers (ELB & ALB) and used Route53 with failover and latency options for high availability and fault tolerance.

Analyst | DevOps Consultant

GlobalLogic Technologies Limited
06.2014 - 09.2015
  • Collaborated with cross-functional teams to identify opportunities for process improvement and increased efficiency.
  • Improved internal knowledge sharing by developing comprehensive documentation outlining standard operating procedures for various tasks.
  • Implemented continuous delivery pipelines using Jenkins, enabling faster release cycles and improved software quality.
  • Conducted thorough post-release analyses on any reported incidents or challenges; implemented corrective measures accordingly.
  • Created and maintained up-to-date documentation on build, release, and deployment processes; ensured quick onboarding for new team members.
  • Automated daily backups of critical data using AWS S3, reducing the risk of data loss in case of system failures.

Education

Master of Science - Management Information Systems (MIS)

University of Illinois At Springfield
Springfield, IL

MBA - Master of Business Administration

Matrusri Institute of PG Studies
Hyderabad, India

Skills

    Operating Systems: Windows 7, Windows 10, Linux

    Scripting Languages: Bash, Python, YAML, Golang

    Cloud Environment: AWS, Azure

    Monitoring Tools: Grafana, Kibana, Filebeat, Prometheus, New-relic

    Version Control Tool: GitHub, GitLab

    Tools & Technologies: Jenkins, Jfrog, Docker, Kubernetes, AKS, EKS, ECS, Helm, Helmfile, Istio, Terraform, Kafka, Redis

Certification

  • Docker Certified Associate
  • AWS Certified Solutions Architect -Associate
  • AWS Certified Developer -Associate

Work Availability

monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Accomplishments

Spearheaded migration of drilling application from standalone servers to AWS & Azure Cloud streamlining deployment configurations which resulted in improved scalability and operational efficiency.

Constant training and support to cross-functional teams resulting in team efficiency and increased productivity.

Automated manual processes and streamline CI/CD pipelines resulting in reduced effort and timelines.

Timeline

Senior Principal Consultant (DevOps)

Halliburton Landmark
06.2021 - 03.2025

Senior DevOps Engineer

LNT Consultancy Services
02.2019 - 06.2021

DevOps Developer

Cynet Systems
09.2018 - 01.2019

AWS DevOps Engineer

Keshav Consulting Solutions LLC
05.2018 - 09.2018

Analyst | DevOps Consultant

GlobalLogic Technologies Limited
06.2014 - 09.2015

Master of Science - Management Information Systems (MIS)

University of Illinois At Springfield

MBA - Master of Business Administration

Matrusri Institute of PG Studies

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Krishna Rajni Ledla