LTIMindtree

Global technology consulting and digital solutions company.

4 Rounds ~21 Days Medium

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The Interview Loop

Recruiter Screen (30 min)

Standard fit check, behavioral questions, and resume overview.

Technical Loop (3-4 Rounds)

Deep dive into domain knowledge, coding, and system design.

Interview Question Bank

All Roles Backend Engineer 69 Cloud Engineer 35 Data Engineer 50 Data Scientist 35 DevOps Engineer 35 Frontend Engineer 35 Full Stack Engineer 35 Machine Learning Engineer 35 Product Manager 35

All Topics Container Orchestration 5 CI/CD 4 Infrastructure as Code 4 Scripting 3 Cloud 3 Configuration Management 3 System Design 3 Containerization 2

DevOps Engineer • Behavioral • medium

Tell me about a time you caused a production outage or a pipeline failure that impacted a client delivery. How did you handle it, and what was the post-mortem process?

#Incident Management #Accountability #Continuous Improvement

Practice

DevOps Engineer • Behavioral • medium

Describe a situation where you had to push back on a development team's request because it violated DevOps best practices or security policies. How did you handle the conflict?

#Communication #Conflict Resolution #DevOps Culture

Practice

DevOps Engineer • Coding • medium

Write an Ansible playbook to patch 100+ Linux servers for a manufacturing client, ensuring that no more than 10 servers are rebooted simultaneously to maintain high availability.

#Ansible #Linux #Automation

Practice

DevOps Engineer • Coding • hard

Write a Bash script to find and delete all application log files older than 30 days in '/var/log/app', but strictly keep the 5 most recent files regardless of their age.

#Bash #Linux #Log Management

Practice

DevOps Engineer • Coding • medium

Write a Python script using the Boto3 library to list all unattached EBS volumes in an AWS account and send a summary report via AWS SNS.

#Python #AWS #Boto3

Practice

DevOps Engineer • Coding • easy

Write a Python script to parse a large NGINX access log file, extract all IP addresses that received a 500 HTTP status code, and count the occurrences of each IP.

#Python #Log Parsing #Data Structures

Practice

DevOps Engineer • System Design • hard

Design a highly available, fault-tolerant, and scalable web application architecture on AWS for a major BFSI client. Include networking, compute, database, and caching layers.

#AWS #Architecture #High Availability

Practice

DevOps Engineer • System Design • hard

Design a CI/CD pipeline architecture for a legacy monolithic application that LTIMindtree is migrating to microservices. How do you handle the transition phase?

#CI/CD #Microservices #Migration

Practice

DevOps Engineer • System Design • hard

Design a Disaster Recovery (DR) strategy for a critical stateful application hosted on Azure. The client requires an RPO of 15 minutes and an RTO of 2 hours.

#Azure #Disaster Recovery #Architecture

Practice

DevOps Engineer • Technical • medium

LTIMindtree frequently uses shared libraries in Jenkins for enterprise clients. How do you create and structure a Jenkins shared library to standardize deployments across 50+ microservices?

#Jenkins #Groovy #Pipeline as Code

Practice

DevOps Engineer • Technical • easy

During a cloud migration project, you encounter a CrashLoopBackOff error in a Kubernetes pod running a Spring Boot application. Walk me through your exact troubleshooting steps.

#Kubernetes #Troubleshooting #Docker

Practice

DevOps Engineer • Technical • medium

For a multi-tenant AWS environment managed by LTIMindtree, how do you handle Terraform state file locking and concurrent modifications across a distributed team of DevOps engineers?

#Terraform #AWS #State Management

Practice

DevOps Engineer • Technical • medium

How do you optimize a Dockerfile for a Node.js microservice to minimize image size and reduce build time in a GitLab CI pipeline?

#Docker #Optimization #Node.js

Practice

DevOps Engineer • Technical • medium

How do you implement zero-downtime deployments in Kubernetes? Compare Rolling Updates with Blue-Green deployments and explain when you would recommend each to a client.

#Kubernetes #Deployment Strategies #CI/CD

Practice

DevOps Engineer • Technical • medium

Explain your Git branching strategy for a legacy enterprise project that requires maintaining multiple release versions (e.g., v1.0, v2.0) simultaneously while developing new features.

#Git #Branching Strategies #Release Management

Practice

DevOps Engineer • Technical • medium

You need to deploy infrastructure across multiple environments (dev, qa, prod) using Terraform. How do you structure your code to maximize reuse and adhere to DRY principles?

#Terraform #Modules #Workspaces

Practice

DevOps Engineer • Technical • medium

How would you set up monitoring and alerting for a Kubernetes-based microservices architecture using Prometheus and Grafana?

#Prometheus #Grafana #Kubernetes

Practice

DevOps Engineer • Technical • medium

LTIMindtree heavily emphasizes DevSecOps. How do you integrate security vulnerability scanning (e.g., SonarQube, Trivy) into a GitLab CI/CD pipeline, and how do you handle false positives?

#GitLab CI #SonarQube #Trivy #Security

Practice

DevOps Engineer • Technical • easy

Explain the difference between a ClusterIP, NodePort, and LoadBalancer service in Kubernetes. When would you use an Ingress instead of a LoadBalancer?

#Kubernetes #Networking #Services

Practice

DevOps Engineer • Technical • medium

Explain how a VPC works in AWS. How do you secure communication between private subnets and the internet for downloading OS patches without exposing the instances?

#AWS #Networking #VPC

Practice

DevOps Engineer • Technical • easy

What are Ansible roles, and how do you use Ansible Galaxy to manage dependencies in a large-scale configuration management project?

#Ansible #Roles #Ansible Galaxy

Practice

DevOps Engineer • Technical • hard

How does Kubernetes handle secret management natively, and what are the limitations? How would you integrate HashiCorp Vault or AWS Secrets Manager into an EKS cluster?

#Kubernetes #Secrets Management #Vault

Practice

DevOps Engineer • Technical • easy

Explain the 'terraform apply -replace' command (formerly 'terraform taint') and describe a scenario where you would need to use it.

#Terraform #State Management

Practice

DevOps Engineer • Technical • easy

What is the difference between CMD and ENTRYPOINT in a Dockerfile? How do they interact if both are specified?

#Docker #Dockerfile

Practice

DevOps Engineer • Technical • hard

For a large retail client, how do you handle relational database schema migrations in an automated CI/CD pipeline without causing downtime?

#Database #CI/CD #Zero Downtime

Practice

DevOps Engineer • Technical • medium

Explain the role of an Ingress Controller in Kubernetes. How does it differ from the Ingress Resource, and which controller have you used most?

#Kubernetes #Networking #Ingress

Practice

DevOps Engineer • Technical • easy

What is the difference between an IAM Role and an IAM Policy in AWS? Give a specific example of how you use them together to grant an EC2 instance access to S3.

#AWS #IAM #Security

Practice

DevOps Engineer • Technical • medium

Explain the ELK stack architecture. How do you ensure log data is not lost if Logstash experiences a sudden spike in traffic and goes down?

#ELK #Logging #Architecture

Practice

DevOps Engineer • Technical • medium

A client manually created several AWS resources via the console. How do you import these existing resources into a new Terraform state file?

#Terraform #State Management

Practice

DevOps Engineer • Technical • medium

What are Horizontal Pod Autoscalers (HPA) and Vertical Pod Autoscalers (VPA) in Kubernetes? Can they be used together on the same deployment?

#Kubernetes #Autoscaling

Practice

DevOps Engineer • Technical • medium

Explain the concept of GitOps. How does a tool like ArgoCD or Flux differ from traditional push-based CI/CD pipelines like Jenkins?

#GitOps #ArgoCD #Kubernetes

Practice

DevOps Engineer • Technical • medium

How do you troubleshoot a Linux server that is experiencing high CPU load but has plenty of free memory? Which tools and metrics do you look at?

#Linux #Troubleshooting #Performance

Practice

DevOps Engineer • Technical • easy

Explain the difference between the 'copy' and 'template' modules in Ansible. When would you use one over the other?

#Ansible #Modules

Practice

DevOps Engineer • Technical • medium

LTIMindtree provides FinOps services to clients. How do you optimize AWS cloud costs for a client with highly unpredictable workloads?

#AWS #FinOps #Cost Optimization

Practice

DevOps Engineer • Technical • easy

In Jenkins, how do you trigger a downstream job only if the upstream job is successful, and how do you pass parameters from the upstream to the downstream job?

#Jenkins #Pipelines

Practice

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