Devops Engineer

Litmus7; Ernakulam; On-site; INR 1,500,000 - 2,100,000; Full time

Job summary

Litmus7 is seeking an on-site DevOps/Kubernetes specialist to design, implement, and manage Kubernetes environments on Azure. You will lead Istio-based service mesh implementations and GitOps practices with Helm, ArgoCD, and Terraform, while maintaining CI/CD pipelines with Jenkins and GitLab CI.

Strong scripting in Python/Bash and monitoring with Dynatrace, Prometheus, and Grafana are essential. You will collaborate with QA and development teams, vendors, and a commerce-focused agile squad to

Qualifications

• Extensive experience designing and managing enterprise-scale Kubernetes environments.
• Deep knowledge of AKS and Azure for cloud-based microservices.
• Experience implementing Istio and service mesh for secure, observable communication.
• Strong CI/CD experience with Jenkins, Opsera, GitLab CI.
• Proficiency with Git, Ansible, Docker, and artifact registries.

Responsibilities

• Design, implement, and manage Kubernetes environments for microservices on Azure.
• Implement and manage Istio service mesh for enhanced communication, security, and observability.
• Build and maintain CI/CD pipelines using Jenkins, Opsera, and GitLab CI.
• Manage Git repositories and IaC with GitLab, Bitbucket, Ansible, Terraform, Helm, and ArgoCD.
• Automate provisioning with Helm and ArgoCD; prepare runbooks and support releases.
• Monitor performance with Dynatrace, Prometheus, and Grafana; ensure reliability.
• Collaborate with QA/Dev teams and vendors to plan, coordinate, and execute releases.
• Troubleshoot production Kubernetes clusters and microservices issues.

Skills

Kubernetes

Istio

Azure AKS

Azure Services

GitOps

Helm

ArgoCD

Terraform

Jenkins

GitLab CI

Python

Bash

Dynatrace

Prometheus

Grafana

Linux scripting

Tools

Terraform

Ansible

Docker

Jenkins

GitLab CI

Job description

• Design, implement, and manage Kubernetes based environments for microservices on public cloud platform Azure.
• Expert knowledge in Kubernetes distributions AKS and Azure.
• Implement and manage service mesh architecture for microservices using Istio for enhanced communication, security, and observability, open telemetry.
• Good knowledge and experience in CI/CD tools such as Jenkins, Opsera, Gitlab CI.
• Version control tools like GitLab, Bitbucket, Ansible.
• Packaging tools like Docker, Gradle/Maven, Nexus, JFrog.
• Expert knowledge of GitOps principles to manage infrastructure as code, utilizing tools like Helm, ArgoCD, and Terraform.
• Hands on experience in Linux server management and shell scripting.
• Good understanding of the client architecture and application integrations to help in designing of solutions and processes.
• Utilize Python, groovy, and bash scripting for automation and integration tasks.
• Set up and manage monitoring and alerting using Dynatrace, Prometheus and Grafana to ensure system performance and reliability.
• Designing and provisioning of new microservices as requested by project team.
• Good knowledge of Vendor support model for designing microservice environment on Kubernetes.
• Prepare cost and effort estimation for any infrastructure/microservice provisioning or enhancement.
• Good knowledge about the requirements of the project team so as to work with the vendors on provisioning.
• Good knowledge of the project specific application installations such as Azure Kubernetes service, ArgoCD, JDK, Istio, Prometheus, Grafana, Loki, Dynatrace etc.
• Prepare runbooks and review with application teams and all stake holders before each release.
• Support and troubleshoot any Kubernetes cluster, Microservices and CICD platform related issues in production and other instances.
• Understanding of the external third-party integrations including Akamai, Azure, Apigee, Kafka, mysql, redis, Palo alto firewall, etc., and work with production support team and vendors on identifying and fixing the issues.
• Continuous monitoring of the Microservices even after an incident to ensure the complete recovery.
• Support QA and Development teams for deploying the applications and if applications are functioning correctly in their environments.
• Automate the build and deployment processes so as to provide QA team and Dev teams with button clicks for these activities.
• Add/remove/modify the existing CI/CD jobs to satisfy the requests from QA/Dev teams.
• Provide solutions to the build/deployment issues faced by QA/Dev teams.
• Manage all lower environment clusters and CICD systems.
• Support QA team to data refresh the lower environments with latest production data for the next sprint cycle.
• Support the Platform team/vendors with application restarts for patching and maintenance activities.
• Continuous research and improve the build and deployment process using latest frameworks, methodologies, solutions available in market.
• Prepare cost and effort estimation for any new enhancement by following different FinOps principles.
• POC with the latest frameworks/solutions to automate the existing process.
• Eg: Helm charts are introduced for better packaging, versioning and managing of kubernetes manifests for different microservices.
• Performance analysis and fine tuning for all application/web server instances of the applications deployed.
• Support the performance testing of production site and be adept at queries, reporting and presenting findings.
• Work with the performance team in analysing DevOps related tunings needed in the microservice APIs and implementing them from POC to production as needed.
• Implementations of various performance testing tools/methodologies for microservices.
• Monitor the timely closing of all work requests raised through JIRA/Service-Now to the satisfaction of the requester.
• This includes requests from other teams regarding access to the tools that DevOps hold Admin access.
• All requests from QA and Development teams, including the stories needed for a release, come into JIRA and are worked on the mentioned sprint.
• In case of clarifications, we need to work with the respective teams and finalize the story/request.
• People management, interaction with offshore team.
• Responsible for the commerce agile squad and drive the team.
• Provide updates to the management on a regular basis about the tasks.
• Planning and executing communication plans to stakeholders.
• Coordinating the DevOps projects and their interdependencies.
• Daily team management throughout the project life cycle.
• New technologies and implementations need to be passed on to other teams.
• Cross skilling among the team with various latest technologies.
• Grooming of the new members to the team.
• Writing of wiki pages, blogs and PowerPoint presentations for better understanding of new technologies/tools.

Key Responsibilities

• Design, implement, and manage Kubernetes based environments for microservices on public cloud platform Azure.

Tech stack

• Design, implement, and manage Kubernetes based environments for microservices on public cloud platform Azure.
• Expert knowledge in Kubernetes distributions AKS and Azure.
• Implement and manage service mesh architecture for microservices using Istio for enhanced communication, security, and observability, open telemetry.
• Good knowledge and experience in CI/CD tools such as Jenkins, Opsera, Gitlab CI.
• Version control tools like GitLab, Bitbucket, Ansible.
• Packaging tools like Docker, Gradle/Maven, Nexus, JFrog.
• Expert knowledge of GitOps principles to manage infrastructure as code, utilizing tools like Helm, ArgoCD, and Terraform.
• Hands on experience in Linux server management and shell scripting.
• Good understanding of the client architecture and application integrations to help in designing of solutions and processes.
• Utilize Python, groovy, and bash scripting for automation and integration tasks.
• Set up and manage monitoring and alerting using Dynatrace, Prometheus and Grafana to ensure system performance and reliability.
• Designing and provisioning of new microservices as requested by project team.
• Good knowledge of Vendor support model for designing microservice environment on Kubernetes.
• Prepare cost and effort estimation for any infrastructure/microservice provisioning or enhancement.
• Good knowledge about the requirements of the project team so as to work with the vendors on provisioning.
• Good knowledge of the project specific application installations such as Azure Kubernetes service, ArgoCD, JDK, Istio, Prometheus, Grafana, Loki, Dynatrace etc.
• Prepare runbooks and review with application teams and all stake holders before each release.
• Support and troubleshoot any Kubernetes cluster, Microservices and CICD platform related issues in production and other instances.
• Understanding of the external third-party integrations including Akamai, Azure, Apigee, Kafka, mysql, redis, Palo alto firewall, etc., and work with production support team and vendors on identifying and fixing the issues.
• Continuous monitoring of the Microservices even after an incident to ensure the complete recovery.
• Support QA and Development teams for deploying the applications and if applications are functioning correctly in their environments.
• Automate the build and deployment processes so as to provide QA team and Dev teams with button clicks for these activities.
• Add/remove/modify the existing CI/CD jobs to satisfy the requests from QA/Dev teams.
• Provide solutions to the build/deployment issues faced by QA/Dev teams.
• Manage all lower environment clusters and CICD systems.
• Support QA team to data refresh the lower environments with latest production data for the next sprint cycle.
• Support the Platform team/vendors with application restarts for patching and maintenance activities.
• Continuous research and improve the build and deployment process using latest frameworks, methodologies, solutions available in market.
• Prepare cost and effort estimation for any new enhancement by following different FinOps principles.
• POC with the latest frameworks/solutions to automate the existing process.
• Eg: Helm charts are introduced for better packaging, versioning and managing of kubernetes manifests for different microservices.
• Performance analysis and fine tuning for all application/web server instances of the applications deployed.
• Support the performance testing of production site and be adept at queries, reporting and presenting findings.
• Work with the performance team in analysing DevOps related tunings needed in the microservice APIs and implementing them from POC to production as needed.
• Implementations of various performance testing tools/methodologies for microservices.
• Monitor the timely closing of all work requests raised through JIRA/Service-Now to the satisfaction of the requester.
• This includes requests from other teams regarding access to the tools that DevOps hold Admin access.
• All requests from QA and Development teams, including the stories needed for a release, come into JIRA and are worked on the mentioned sprint.
• In case of clarifications, we need to work with the respective teams and finalize the story/request.
• People management, interaction with offshore team.
• Responsible for the commerce agile squad and drive the team.
• Provide updates to the management on a regular basis about the tasks.
• Planning and executing communication plans to stakeholders.
• Coordinating the DevOps projects and their interdependencies.
• Daily team management throughout the project life cycle.
• New technologies and implementations need to be passed on to other teams.
• Cross skilling among the team with various latest technologies.
• Grooming of the new members to the team.
• Writing of wiki pages, blogs and PowerPoint presentations for better understanding of new technologies/tools.

Required Skills

• Extensive expertise in designing, managing, supporting and building microservices for large enterprise-level web applications consisting of hundreds of API.
• Strong experience with Kubernetes and Istio for container orchestration and service mesh implementation.
• Proficiency in Azure services and AKS for cloud infrastructure management.
• Hands‑on experience with GitOps practices and related tools like Helm, Customize and ArgoCD.
• Proficiency in scripting with Python and Bash for automation and tooling.
• Familiarity with Prometheus, Grafana, Kiali and Dynatrace for monitoring and observability.
• Experience with CI/CD tools like Jenkins, Opsera, GitLab CI for automated deployment.
• Knowledge of infrastructure‑as‑code principles and tools such as Terraform.
• Strong problem‑solving skills and the ability to work in a fast‑paced, collaborative environment.