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
DevOps Engineer
•
Behavioral
•
medium
Tell me about a time you had to push back on a development team that wanted to deploy a feature that didn't meet reliability or security standards.
#Communication
#Conflict Resolution
#Reliability
#Standards
DevOps Engineer
•
Behavioral
•
medium
Describe a time you caused a production outage. How did you handle it, and what was the post-mortem process?
#Incident Management
#Accountability
#Post-mortem
#Blameless Culture
DevOps Engineer
•
Behavioral
•
medium
Tell me about a time you had to collaborate with a security team to implement a new compliance requirement that slowed down the CI/CD pipeline.
#Collaboration
#Security
#DevSecOps
#Compromise
DevOps Engineer
•
Behavioral
•
easy
Describe a time you automated a repetitive task that significantly improved your team's productivity.
#Automation
#Initiative
#Productivity
#Impact
DevOps Engineer
•
Behavioral
•
medium
Tell me about a time you mentored a junior engineer or helped a developer understand DevOps practices.
#Mentorship
#Communication
#Knowledge Sharing
#Empathy
DevOps Engineer
•
Behavioral
•
medium
Describe a time you accidentally took down a production system. What was the impact, and what did you learn?
#Incident Management
#Accountability
#Post-mortems
DevOps Engineer
•
Behavioral
•
medium
Tell me about a time you had to push back on a development team because their application did not meet operational readiness standards.
#Communication
#SRE Principles
#Conflict Resolution
DevOps Engineer
•
Behavioral
•
easy
Tell me about a time you automated a manual, time-consuming process. What tools did you use and what was the ROI?
#Automation
#Efficiency
#Initiative
DevOps Engineer
•
Behavioral
•
easy
Tell me about a time you had to learn a completely new technology under a tight deadline to deliver a project.
#Adaptability
#Continuous Learning
#Delivery
DevOps Engineer
•
Coding
•
medium
Write a Python script to parse a large Nginx access log file, find the top 10 IP addresses with the most 5xx errors, and output them in JSON format.
#Python
#Log Parsing
#Data Structures
#JSON
DevOps Engineer
•
Coding
•
easy
Write a Bash script to find all log files in a directory older than 30 days, archive them into a tarball, upload them to an S3 bucket, and delete the local copies.
#Bash
#Linux Commands
#AWS CLI
#Automation
DevOps Engineer
•
Coding
•
medium
Write a Python function that interacts with the AWS EC2 API (using Boto3) to find and terminate all instances missing a specific 'Environment: Production' tag.
#Python
#Boto3
#AWS
#Automation
DevOps Engineer
•
Coding
•
medium
Given a list of server logs represented as strings with timestamps and status ('UP' or 'DOWN'), write an algorithm to find the longest continuous period of uptime.
#Algorithms
#Parsing
#Time Complexity
#String Manipulation
DevOps Engineer
•
Coding
•
medium
Write a Python script to validate if a given JSON file containing infrastructure configurations is well-formed and adheres to a specific schema.
#Python
#JSON
#Validation
#jsonschema
DevOps Engineer
•
Coding
•
medium
Write a Python script to parse an Nginx access log and return the top 5 IP addresses by request count.
#Python
#Log Parsing
#Data Structures
DevOps Engineer
•
Coding
•
medium
Write a Bash script to find all files in a directory larger than 500MB and older than 30 days, and archive them to an S3 bucket.
#Bash
#Linux
#AWS CLI
DevOps Engineer
•
Coding
•
easy
Given an array of integers and a target sum, write a function to return the indices of the two numbers that add up to the target.
#Arrays
#Hash Maps
#Python
DevOps Engineer
•
Coding
•
medium
Write a Python function using Boto3 to find and stop all EC2 instances that do not have an 'Environment: Production' tag.
#Python
#AWS Boto3
#Cloud Cost Optimization
DevOps Engineer
•
Coding
•
medium
Write a script to validate if a given string contains properly nested and balanced parentheses, brackets, and braces.
#Data Structures
#Stacks
#Python
DevOps Engineer
•
Coding
•
hard
Write a Python script to recursively traverse a directory, calculate the MD5 hash of each file, and output a JSON report of duplicate files.
#Python
#File Systems
#Hashing
DevOps Engineer
•
Coding
•
medium
Write a Dockerfile for a Python Flask application that follows security best practices (e.g., non-root user, multi-stage build).
#Docker
#Security
#Python
DevOps Engineer
•
System Design
•
hard
Design a CI/CD pipeline for a microservice architecture that processes millions of image uploads daily for Adobe Stock. How do you ensure security and compliance checks are automated?
#CI/CD
#Microservices
#DevSecOps
#Scalability
DevOps Engineer
•
System Design
•
hard
Design a scalable infrastructure for Adobe Analytics that needs to ingest, buffer, and process 100,000 events per second.
#High Throughput
#Event Streaming
#Kafka
#AWS
DevOps Engineer
•
System Design
•
hard
Design a multi-region active-passive disaster recovery strategy for a critical Adobe Document Cloud service hosted on AWS.
#Disaster Recovery
#AWS
#High Availability
#RTO/RPO
DevOps Engineer
•
System Design
•
hard
How would you design the service mesh architecture for a suite of 50+ microservices communicating with each other? What tools would you use and why?
#Service Mesh
#Istio
#Microservices
#Security
DevOps Engineer
•
System Design
•
hard
Design a highly available and durable storage solution for Adobe Creative Cloud users to store and retrieve large video files globally.
#Storage
#CDN
#AWS S3
#Global Distribution
DevOps Engineer
•
System Design
•
hard
Design a CI/CD pipeline for a new Adobe Experience Cloud microservice using GitOps principles.
#GitOps
#ArgoCD
#Kubernetes
#GitHub Actions
DevOps Engineer
•
System Design
•
hard
Design a highly available and scalable logging architecture for Adobe Analytics capable of ingesting terabytes of logs daily.
#Observability
#Elasticsearch
#Kafka
#Data Pipelines
DevOps Engineer
•
System Design
•
hard
Design a disaster recovery strategy for a stateful application hosted in AWS, ensuring an RPO of 5 minutes and RTO of 1 hour.
#Disaster Recovery
#AWS
#High Availability
#Backup Strategies
DevOps Engineer
•
System Design
•
hard
Design a scalable image rendering pipeline for Creative Cloud users, handling burst traffic during product launches.
#Scalability
#Message Queues
#Event-Driven Architecture
#AWS
DevOps Engineer
•
System Design
•
hard
How would you design a multi-region active-active architecture for an Adobe authentication service?
#High Availability
#Global Routing
#Database Replication
DevOps Engineer
•
System Design
•
medium
Design a centralized caching layer for Adobe Stock images to minimize origin fetch latency globally.
#Caching
#CDN
#Redis
#Performance
DevOps Engineer
•
Technical
•
easy
How does DNS resolution work? Explain the difference between an A record and a CNAME record.
#DNS
#Networking
#Protocols
DevOps Engineer
•
Technical
•
hard
How do you handle zero-downtime deployments in Kubernetes for a stateful application like a database or cache used by Adobe Creative Cloud services?
#Kubernetes
#StatefulSets
#Zero-Downtime
#Storage
DevOps Engineer
•
Technical
•
medium
Explain how you manage Terraform state files in a multi-developer environment. What happens if the state file gets corrupted or locked?
#Terraform
#State Management
#Collaboration
#Troubleshooting
DevOps Engineer
•
Technical
•
hard
Describe the packet flow from a user's browser to an application hosted on an AWS EKS cluster behind an Application Load Balancer.
#AWS
#EKS
#ALB
#DNS
#Networking
DevOps Engineer
•
Technical
•
medium
An application running on a Linux server is experiencing high CPU usage, but `top` shows the CPU is mostly in `iowait`. How do you troubleshoot this?
#Linux
#Troubleshooting
#Performance Tuning
#Disk I/O
DevOps Engineer
•
Technical
•
medium
How do you implement secret management in a Kubernetes environment? Compare using Kubernetes native secrets vs. HashiCorp Vault.
#Kubernetes
#Secrets Management
#HashiCorp Vault
#Security
DevOps Engineer
•
Technical
•
medium
How do you implement GitOps using ArgoCD? What are the advantages over a traditional push-based CI/CD pipeline?
#GitOps
#ArgoCD
#Kubernetes
#Continuous Deployment
DevOps Engineer
•
Technical
•
medium
How do you optimize a Dockerfile to reduce the image size and improve build times for a Node.js application?
#Docker
#Optimization
#Node.js
#Build Caching
DevOps Engineer
•
Technical
•
medium
What metrics would you monitor for a critical API service? How do you set up alerting to avoid alert fatigue?
#Monitoring
#Prometheus
#SLIs/SLOs
#Alerting
DevOps Engineer
•
Technical
•
easy
Explain the difference between an Ingress controller and a LoadBalancer service in Kubernetes.
#Kubernetes
#Networking
#Ingress
#Load Balancing
DevOps Engineer
•
Technical
•
hard
How do you refactor a monolithic Terraform configuration into reusable modules without destroying existing infrastructure?
#Terraform
#Refactoring
#State Management
#Modules
DevOps Engineer
•
Technical
•
medium
What happens in the Linux boot process from the moment you power on the machine to the login prompt?
#Linux
#Boot Process
#Kernel
#Systemd
DevOps Engineer
•
Technical
•
medium
Explain how Kubernetes handles resource limits and requests. What happens if a pod exceeds its memory limit vs. its CPU limit?
#Kubernetes
#Resource Management
#OOMKilled
#CPU Throttling
DevOps Engineer
•
Technical
•
hard
How do you perform a schema migration on a large, highly active PostgreSQL database without causing downtime?
#PostgreSQL
#Database Migrations
#Zero-Downtime
#Locks
DevOps Engineer
•
Technical
•
medium
Compare AWS SQS, SNS, and EventBridge. When would you use each in an event-driven architecture?
#AWS
#Messaging
#Event-Driven
#Architecture
DevOps Engineer
•
Technical
•
easy
A developer complains that their pod is stuck in the `CrashLoopBackOff` state. Walk me through your troubleshooting steps.
#Kubernetes
#Troubleshooting
#Pods
#Logs
DevOps Engineer
•
Technical
•
medium
Explain the concept of immutable infrastructure. How does it change the way you write deployment pipelines?
#Immutable Infrastructure
#Packer
#AMI
#Deployment Strategy
DevOps Engineer
•
Technical
•
medium
What is a WAF, and how would you configure it to protect a public-facing Adobe web application from SQL injection and XSS attacks?
#WAF
#Security
#OWASP
#AWS WAF
DevOps Engineer
•
Technical
•
hard
Describe the role of the etcd cluster in Kubernetes. How do you back it up and restore it in case of failure?
#Kubernetes
#etcd
#Disaster Recovery
#State Management
DevOps Engineer
•
Technical
•
hard
How do you tune a Linux kernel for a high-throughput, low-latency network application?
#Linux
#Kernel Tuning
#Networking
#Performance
DevOps Engineer
•
Technical
•
medium
How would you troubleshoot a Kubernetes pod that is stuck in CrashLoopBackOff in our production EKS cluster?
#Kubernetes
#Troubleshooting
#Containers
DevOps Engineer
•
Technical
•
medium
Explain how you would manage Terraform state for a globally distributed team working on Adobe's cloud infrastructure.
#Terraform
#AWS S3
#DynamoDB
#Collaboration
DevOps Engineer
•
Technical
•
hard
How do you handle database schema migrations in an automated CI/CD pipeline without causing downtime?
#Databases
#Zero-downtime Deployment
#Automation
DevOps Engineer
•
Technical
•
medium
Explain the difference between Blue/Green and Canary deployments. Which would you choose for a critical Adobe Document Cloud service and why?
#Release Management
#Kubernetes
#Traffic Routing
DevOps Engineer
•
Technical
•
medium
What happens exactly, from a network and systems perspective, when a user navigates to adobe.com?
#DNS
#TCP/IP
#TLS
#Load Balancing
DevOps Engineer
•
Technical
•
medium
How do you secure Docker images before they are deployed to a production Kubernetes cluster?
#DevSecOps
#Container Security
#Vulnerability Scanning
DevOps Engineer
•
Technical
•
hard
How would you implement IAM Roles for Service Accounts (IRSA) in an AWS EKS cluster to grant a pod access to an S3 bucket?
#AWS EKS
#IAM
#Kubernetes Security
DevOps Engineer
•
Technical
•
medium
A developer complains that their application is running slowly. The Linux server shows high CPU wait (iowait). How do you troubleshoot this?
#Linux
#Performance Tuning
#Troubleshooting
DevOps Engineer
•
Technical
•
medium
Explain how Kubernetes Network Policies work and how you would use them to isolate a payment processing microservice.
#Kubernetes Networking
#Security
#Microservices
DevOps Engineer
•
Technical
•
medium
How do you manage and inject secrets into Kubernetes pods without storing them in plaintext in Git?
#Secrets Management
#Kubernetes
#HashiCorp Vault
#External Secrets
DevOps Engineer
•
Technical
•
hard
You receive an alert that a Linux server has run out of disk space, but `df -h` shows 20% free space. What is the issue and how do you fix it?
#Linux
#Filesystems
#Troubleshooting
DevOps Engineer
•
Technical
•
medium
Explain the concept of Terraform drift. How do you detect it and automatically remediate it in a large-scale environment?
#Terraform
#Automation
#Configuration Management
DevOps Engineer
•
Technical
•
medium
Describe your approach to tuning Prometheus alerts to reduce alert fatigue for the on-call DevOps team.
#Prometheus
#Alertmanager
#SRE
DevOps Engineer
•
Technical
•
medium
How does an Ingress controller work in Kubernetes, and how would you configure it to handle SSL termination?
#Kubernetes Networking
#NGINX
#TLS/SSL
DevOps Engineer
•
Technical
•
medium
Explain the TCP 3-way handshake and how you would troubleshoot dropped packets between two microservices.
#TCP/IP
#Troubleshooting
#Packet Analysis
DevOps Engineer
•
Technical
•
hard
How do you implement horizontal pod autoscaling (HPA) in Kubernetes based on custom metrics like queue length?
#Autoscaling
#Prometheus
#KEDA
DevOps Engineer
•
Technical
•
hard
What is your strategy for upgrading a production Kubernetes cluster with zero downtime?
#Cluster Management
#Upgrades
#High Availability
DevOps Engineer
•
Technical
•
medium
How do you structure Terraform modules to ensure reusability and enforce compliance across multiple Adobe engineering teams?
#Terraform
#Governance
#Module Design
Difficulty Radar
Based on recent AI-sourced data.
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Senior EngineerFocuses on core competencies, system constraints, and clear communication.
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Always explain your thought process before writing code or drawing architecture.