DXC Technology

DXC Technology

American multinational B2B IT services provider.

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

Cloud Engineer Behavioral medium

Tell me about a time you had to push back on a client's architectural request because it violated cloud best practices or security standards.

#Communication #Pushback #Consulting #Best Practices
Cloud Engineer Behavioral medium

Describe a situation where you had to handle a Sev-1 production outage. What was your role, and how did you communicate with stakeholders during the incident?

#Incident Response #Communication #Under Pressure
Cloud Engineer Behavioral medium

How do you explain complex cloud concepts, like containerization or serverless computing, to non-technical business stakeholders to justify project costs?

#Stakeholder Management #Communication #Business Value
Cloud Engineer Behavioral medium

Tell me about a time you experienced scope creep on a cloud migration or infrastructure project. How did you manage it while keeping the client satisfied?

#Scope Creep #Client Management #Agile
Cloud Engineer Behavioral medium

Tell me about a time you had a technical disagreement with a senior engineer or architect on your team regarding a cloud design. How did you resolve it?

#Conflict Resolution #Teamwork #Technical Disagreement
Cloud Engineer Coding medium

Write a Python script using Boto3 (or equivalent Azure SDK) to find and delete all unattached EBS volumes older than 30 days to optimize cloud costs.

#Python #Boto3 #FinOps #Automation
Cloud Engineer Coding easy

Write a bash or Python script to parse an Nginx or ALB access log file and output the top 10 IP addresses making requests.

#Bash #Python #Log Parsing #Linux
Cloud Engineer Coding hard

Write a Terraform module to provision a secure VPC baseline, including public/private subnets across two availability zones, a NAT Gateway, and appropriate Route Tables.

#Terraform #AWS VPC #Networking #Modules
Cloud Engineer Coding medium

Write a Bash or Python script that integrates with the AWS CLI to find all IAM users who have not rotated their access keys in the last 90 days and outputs the list to a CSV.

#Python #Bash #AWS CLI #IAM #Security
Cloud Engineer System Design hard

A DXC enterprise client wants to migrate a legacy on-premise monolithic application to the cloud. Walk me through your migration strategy, from assessment to cutover.

#Migration Strategies #The 6 Rs #Enterprise Architecture #Discovery
Cloud Engineer System Design hard

Design a highly available hybrid cloud architecture connecting a client's on-premise data center to Azure, ensuring secure and low-latency data transfer.

#Hybrid Cloud #Azure ExpressRoute #VPN Gateway #Networking
Cloud Engineer System Design hard

Design a CI/CD pipeline for a containerized microservices application using GitLab CI or Jenkins, deploying to a Kubernetes cluster across Dev, QA, and Prod environments.

#CI/CD #Kubernetes #Jenkins #GitLab #Deployment Strategies
Cloud Engineer System Design hard

How would you implement a Zero Trust architecture in a cloud environment for a highly regulated client?

#Zero Trust #IAM #Micro-segmentation #Compliance
Cloud Engineer System Design hard

Design a Disaster Recovery (DR) strategy for a mission-critical financial application with a Recovery Point Objective (RPO) of 5 minutes and a Recovery Time Objective (RTO) of 1 hour.

#Disaster Recovery #RPO/RTO #High Availability #Multi-Region
Cloud Engineer System Design medium

Design an event-driven architecture using AWS Lambda, SQS, and SNS (or Azure equivalents) to process thousands of uploaded images asynchronously.

#Event-Driven Architecture #Serverless #Microservices #Decoupling
Cloud Engineer System Design hard

Design a centralized logging and monitoring solution for a multi-cloud environment (AWS and Azure) that allows developers to trace requests across microservices.

#Observability #ELK Stack #Distributed Tracing #Multi-Cloud
Cloud Engineer Technical medium

Explain the difference between Terraform and native IaC tools like Azure ARM templates or AWS CloudFormation. Why would a DXC enterprise client choose one over the other?

#Terraform #Azure ARM #AWS CloudFormation #IaC
Cloud Engineer Technical medium

How do you handle state file management and locking in Terraform when working with a distributed team of cloud engineers?

#Terraform #State Management #Collaboration
Cloud Engineer Technical medium

A client wants to load balance traffic for a highly scalable web application and a backend database cluster. Explain the difference between an Application Load Balancer (ALB) and a Network Load Balancer (NLB), and when to use which.

#AWS #Load Balancing #ALB #NLB #OSI Model
Cloud Engineer Technical medium

How do you secure an AWS S3 bucket or Azure Blob Storage account from public access while ensuring a specific Virtual Network (VNet) or VPC can still access it?

#Cloud Storage #VPC Endpoints #Private Link #IAM
Cloud Engineer Technical medium

In Kubernetes, what is the difference between a Deployment and a StatefulSet? Give a real-world enterprise use case for a StatefulSet.

#Kubernetes #StatefulSet #Deployment #Microservices
Cloud Engineer Technical medium

You are paged because a critical microservice pod in an EKS/AKS cluster is stuck in a 'CrashLoopBackOff' state. Walk me through your exact troubleshooting steps.

#Kubernetes #Troubleshooting #Logging #Monitoring
Cloud Engineer Technical medium

How do you handle secrets management (e.g., API keys, database passwords) in a CI/CD pipeline and within a Kubernetes environment?

#Secrets Management #HashiCorp Vault #Azure Key Vault #AWS Secrets Manager
Cloud Engineer Technical hard

Explain the Hub and Spoke network topology in Azure or AWS. Why is it preferred over a full-mesh VPC peering setup for large enterprises?

#Hub and Spoke #Transit Gateway #VPC Peering #Enterprise Networking
Cloud Engineer Technical medium

A client's AWS bill has spiked by 40% over the last quarter. As a Cloud Engineer, what steps would you take to identify the waste and optimize their costs?

#Cost Optimization #AWS Cost Explorer #FinOps #Rightsizing
Cloud Engineer Technical hard

A client's web application hosted on EC2 instances behind an Auto Scaling Group (ASG) is experiencing intermittent high latency. How do you troubleshoot this?

#AWS #EC2 #Auto Scaling #Performance Tuning
Cloud Engineer Technical hard

What is your strategy for upgrading a production Azure Kubernetes Service (AKS) or Amazon EKS cluster with minimal downtime?

#Kubernetes #Cluster Upgrades #EKS #AKS #Zero Downtime
Cloud Engineer Technical hard

How do you manage IAM roles, policies, and security guardrails across hundreds of AWS accounts for a large enterprise client?

#AWS Organizations #SCP #IAM #Enterprise Governance
Cloud Engineer Technical medium

Explain the concept of an Azure Landing Zone or AWS Control Tower. Why is it a critical first step for DXC clients moving to the cloud?

#Landing Zones #AWS Control Tower #Governance #Cloud Adoption Framework
Cloud Engineer Technical medium

What are 'cold starts' in serverless computing (e.g., AWS Lambda), and how do you mitigate them for latency-sensitive applications?

#Serverless #AWS Lambda #Performance Optimization
Cloud Engineer Technical easy

Compare Amazon RDS Multi-AZ deployments with Read Replicas. When would you recommend one over the other to a client?

#AWS RDS #High Availability #Scalability #Databases
Cloud Engineer Technical hard

A client needs to migrate a 5TB on-premise SQL Server database to Azure SQL Managed Instance with near-zero downtime. How do you achieve this?

#Database Migration #Azure SQL #Zero Downtime #Azure Data Migration Service
Cloud Engineer Technical medium

How do you protect a public-facing cloud application from Layer 7 DDoS attacks and SQL injection?

#WAF #DDoS #Cloud Security #OWASP
Cloud Engineer Technical medium

How do you detect and manage configuration drift in an environment managed by Infrastructure as Code?

#Terraform #Configuration Drift #GitOps #Automation
Cloud Engineer Technical hard

A client has a legacy Windows application (.NET Framework) that they want to modernize. How do you approach containerizing this application for the cloud?

#Windows Containers #Docker #.NET #Modernization

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Senior Engineer

Focuses on core competencies, system constraints, and clear communication.

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Think Out Loud

Always explain your thought process before writing code or drawing architecture.

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