PwC

PricewaterhouseCoopers, a multinational professional services network.

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 35 Cloud Engineer 35 Data Engineer 35 Data Scientist 35 DevOps Engineer 35 Frontend Engineer 35 Full Stack Engineer 35 Machine Learning Engineer 35 Product Manager 35 Software Engineer 35

All Topics System Design 6 Scripting 4 Containerization 4 Culture Fit 3 CI/CD 3 Infrastructure as Code 3 Algorithms 2 DevSecOps 2

DevOps Engineer • Behavioral • medium

Tell me about a time you had to convince a traditional IT operations team or client to adopt a DevOps culture and CI/CD practices. How did you handle their resistance?

#Communication #Agile #Change Management #Consulting

Practice

DevOps Engineer • Behavioral • medium

Tell me about a time you made a mistake that caused a production outage. How did you resolve it, and what was the post-mortem process?

#Incident Management #Accountability #SRE

Practice

DevOps Engineer • Behavioral • medium

Describe a time when you had to optimize cloud infrastructure costs for a project. What steps did you take?

#Cost Optimization #FinOps #AWS/Azure

Practice

DevOps Engineer • Behavioral • medium

Tell me about a time you had to deliver a critical project under a very tight deadline. How did you prioritize your tasks?

#Time Management #Prioritization #Agile

Practice

DevOps Engineer • Behavioral • medium

PwC often works with legacy enterprise clients. How do you explain the value of Infrastructure as Code to a CIO who is used to manual server provisioning?

#Communication #Consulting #IaC

Practice

DevOps Engineer • Behavioral • easy

Describe your experience with Agile methodologies. How do you integrate DevOps practices into two-week sprint cycles?

#Agile #Scrum #SDLC

Practice

DevOps Engineer • Coding • medium

Write a Python script to interact with the AWS EC2 API, find all instances missing a specific mandatory tagging standard, and output their IDs to a CSV.

#Python #AWS #Boto3 #Automation

Practice

DevOps Engineer • Coding • easy

Write a Bash script that checks the disk usage of a Linux server and sends an alert to a Slack webhook if usage exceeds 85%.

#Bash #Linux #Monitoring

Practice

DevOps Engineer • Coding • medium

Write a Python function to parse a large Nginx access log file and return the top 5 IP addresses with the most 404 errors.

#Python #Log Parsing #Data Structures

Practice

DevOps Engineer • Coding • medium

Write a declarative Jenkinsfile that checks out code, runs unit tests, builds a Docker image, and pushes it to an Azure Container Registry.

#Jenkins #Docker #Groovy

Practice

DevOps Engineer • Coding • easy

Given an array of integers, write a script to find the two numbers that add up to a specific target. (Two Sum)

#Python #Data Structures

Practice

DevOps Engineer • Coding • medium

Write a Python script that connects to a PostgreSQL database, executes a query to fetch user data, and exports the result to a JSON file.

#Python #SQL #JSON

Practice

DevOps Engineer • Coding • medium

Write a Bash script to find and delete all files in a directory older than 30 days, but exclude files with a '.log' extension.

#Bash #Linux

Practice

DevOps Engineer • System Design • hard

Walk me through how you would design a secure CI/CD pipeline using Azure DevOps for a financial services client with strict compliance requirements.

#Azure DevOps #DevSecOps #Compliance #CI/CD

Practice

DevOps Engineer • System Design • hard

How would you implement a Blue-Green deployment strategy using AWS services (e.g., Route53, ALB, ECS/EKS)?

#AWS #Deployment Strategies #Networking

Practice

DevOps Engineer • System Design • hard

Design a highly available, fault-tolerant web application architecture on Azure. Include networking, compute, database, and load balancing components.

#Azure #High Availability #Networking

Practice

DevOps Engineer • System Design • hard

A client wants to migrate their on-premise monolithic application to microservices on AWS. How do you plan and execute the infrastructure provisioning?

#AWS #Cloud Migration #Terraform #Microservices

Practice

DevOps Engineer • System Design • medium

How do you monitor a microservices architecture? What metrics are most important, and what tools would you use?

#Prometheus #Grafana #Observability

Practice

DevOps Engineer • System Design • hard

Design a centralized logging solution for a multi-region AWS deployment using the ELK stack or native AWS services.

#AWS #Logging #Elasticsearch

Practice

DevOps Engineer • System Design • hard

Design an automated disaster recovery (DR) strategy for a mission-critical application hosted on Azure.

#Azure #Disaster Recovery #RPO/RTO

Practice

DevOps Engineer • Technical • medium

How do you manage and secure Terraform state files when working in a multi-developer enterprise environment?

#Terraform #Security #State Management

Practice

DevOps Engineer • Technical • medium

Explain the difference between a Deployment and a StatefulSet in Kubernetes. When would you use one over the other?

#Kubernetes #Architecture #Microservices

Practice

DevOps Engineer • Technical • medium

A client's production Kubernetes pod is repeatedly entering a CrashLoopBackOff state. Walk me through your exact troubleshooting steps.

#Kubernetes #Linux #Debugging

Practice

DevOps Engineer • Technical • hard

Describe how you integrate security scanning (SAST/DAST) and vulnerability checks into a Jenkins pipeline without severely slowing down developer feedback loops.

#Jenkins #Security #CI/CD

Practice

DevOps Engineer • Technical • medium

How do you handle configuration drift in infrastructure managed by Terraform?

#Terraform #Operations #Governance

Practice

DevOps Engineer • Technical • easy

What is the difference between Docker COPY and ADD commands in a Dockerfile? Which is preferred and why?

#Docker #Best Practices

Practice

DevOps Engineer • Technical • medium

Explain how Kubernetes RBAC works. How would you restrict a developer team to only have read access to a specific namespace?

#Kubernetes #IAM #RBAC

Practice

DevOps Engineer • Technical • medium

What are Terraform modules, and how do you version control and share them across different projects in an enterprise?

#Terraform #Git #Version Control

Practice

DevOps Engineer • Technical • medium

How do you securely manage secrets like database passwords or API keys in a Kubernetes environment?

#Kubernetes #Secrets Management #HashiCorp Vault

Practice

DevOps Engineer • Technical • medium

Explain the concept of GitOps. How does it differ from traditional CI/CD pipelines?

#GitOps #ArgoCD #Kubernetes

Practice

DevOps Engineer • Technical • medium

How do you ensure that your Docker images are minimal and secure before deploying them to production?

#Docker #Security #Optimization

Practice

DevOps Engineer • Technical • medium

What is the purpose of an Ansible Inventory file, and how can you make it dynamic for cloud environments?

#Ansible #Automation #Cloud

Practice

DevOps Engineer • Technical • easy

Explain the difference between an Application Load Balancer (ALB) and a Network Load Balancer (NLB) in AWS. When do you use each?

#AWS #Networking

Practice

DevOps Engineer • Technical • hard

How do you handle database schema migrations in an automated CI/CD pipeline without causing downtime?

#Databases #Automation #Zero-Downtime

Practice

DevOps Engineer • Technical • hard

What is a Service Mesh, and why might you introduce Istio into a Kubernetes cluster?

#Kubernetes #Istio #Networking

Practice

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