Technical Skills & Preparation
This section covers the core technical topics you need to master for Platform Engineering, SRE, and DevOps interviews.
🚀 Featured: AI/ML Platform Engineering
The intersection of AI and infrastructure is creating unprecedented opportunities. Master these specialized skills:
AI/ML Infrastructure
- 🧠 AI/ML Platform Engineering - Build and scale ML infrastructure
- 🚀 LLM Infrastructure & Operations - Deploy ChatGPT-scale systems
- 🎯 AI Platform Interview Prep - Ace AI platform interviews
Why it matters: AI platform engineers command 20-30% salary premiums and work on cutting-edge infrastructure powering the AI revolution.
Core Topics Overview
Deep Dive Guides
- 🐧 Linux Deep Dive - Master Linux internals and system programming
- ☸️ Kubernetes Mastery - Production-grade K8s expertise
- ☁️ Cloud Platforms Deep Dive - AWS, GCP, and Azure at scale
1. Linux & System Programming
Essential for understanding how applications interact with the operating system.
Key Resources:
- 📚 The Linux Programming Interface by Michael Kerrisk - The definitive guide to Linux system programming
- 📖 mxssl/sre-interview-prep-guide - Linux internals section
- 🔧 Linux Journey - Interactive Linux learning
Must-Know Topics:
- File descriptors, pipes, and sockets
- Process management and signals
- Memory management
- System calls
- Shell scripting (Bash)
2. Networking
Understanding networking is crucial for debugging distributed systems.
Key Resources:
- 📖 High Performance Browser Networking - Free online book
- 🎥 Computer Networking Course - FreeCodeCamp
- 📖 bregman-arie/devops-exercises - Networking
Must-Know Topics:
- OSI model and TCP/IP stack
- HTTP/HTTPS, DNS, Load Balancing
- Network troubleshooting (tcpdump, netstat, dig)
- CDNs and reverse proxies
- VPNs and network security
3. Containerization & Orchestration
Docker:
- 📖 Docker Official Documentation
- 🔧 NotHarshhaa/DevOps-Interview-Questions - Docker
- 📖 bregman-arie/devops-exercises - Docker
Kubernetes:
- 📖 Kubernetes Official Documentation
- 🔧 NotHarshhaa/DevOps-Interview-Questions - Kubernetes
- 📖 kelseyhightower/kubernetes-the-hard-way
- 🎮 KillerCoda Kubernetes Scenarios
4. Cloud Platforms
AWS:
- 📖 NotHarshhaa/DevOps-Interview-Questions - AWS
- 🔧 AWS Well-Architected Framework
- 📖 bregman-arie/devops-exercises - AWS
Google Cloud Platform:
Azure:
5. Infrastructure as Code
Terraform:
- 📖 NotHarshhaa/DevOps-Interview-Questions - Terraform
- 🔧 HashiCorp Learn - Terraform
- 📖 bregman-arie/devops-exercises - Terraform
Ansible:
- 📖 NotHarshhaa/DevOps-Interview-Questions - Ansible
- 🔧 Ansible Documentation
- 📖 bregman-arie/devops-exercises - Ansible
6. CI/CD
Jenkins:
GitLab CI/CD:
GitHub Actions:
ArgoCD:
7. Monitoring & Observability
Prometheus & Grafana:
- 📖 NotHarshhaa/DevOps-Interview-Questions - Prometheus
- 📖 NotHarshhaa/DevOps-Interview-Questions - Grafana
- 📖 bregman-arie/devops-exercises - Prometheus
ELK Stack:
8. System Design for Reliability
Key Resources:
- 📚 Designing Data-Intensive Applications by Martin Kleppmann
- 📖 Google SRE Book - Free online
- 📖 The System Design Primer
- 🎥 System Design Interview Channel
Must-Know Concepts:
- Load balancing strategies
- Caching layers
- Database scaling (replication, sharding)
- Message queues and event-driven architecture
- Microservices patterns
- Failure modes and resilience patterns
9. Programming & Scripting
Languages to Know:
- Python - Most common for automation and tooling
- Go - Increasingly popular for infrastructure tools
- Bash - Essential for system administration
Resources:
- 📖 NotHarshhaa/DevOps-Interview-Questions - Python
- 📖 bregman-arie/devops-exercises - Python
- 📖 bregman-arie/devops-exercises - Go
10. Security
Key Resources:
- 📖 NotHarshhaa/DevOps-Interview-Questions - Security
- 📖 OWASP DevSecOps Guideline
- 📚 Building Secure and Reliable Systems - Free from Google
Hands-On Practice
Interactive Learning Platforms
- 🎮 KillerCoda - Free interactive scenarios
- 🎮 A Cloud Guru Playground - Cloud sandboxes
- 🎮 Play with Docker - Docker playground
- 🎮 Play with Kubernetes - K8s playground
Project Ideas
- Build a CI/CD pipeline from scratch
- Deploy a microservices application on Kubernetes
- Implement monitoring and alerting for a web application
- Create Infrastructure as Code for a three-tier application
- Build a disaster recovery solution
Study Plans by Experience Level
Entry Level (0-2 years)
- Master Linux fundamentals
- Learn Docker and basic Kubernetes
- Understand one cloud platform (AWS recommended)
- Basic CI/CD with Jenkins or GitHub Actions
- Python scripting
Mid Level (2-5 years)
- Deep dive into Kubernetes
- Master Infrastructure as Code (Terraform)
- Multi-cloud experience
- Advanced monitoring and observability
- System design fundamentals
Senior Level (5+ years)
- Complex system design
- Platform engineering concepts
- Cost optimization strategies
- Security best practices
- Leadership and architectural decisions
Additional Study Resources
Comprehensive Question Banks
- 📖 NotHarshhaa/DevOps-Interview-Questions - 1100+ questions with answers
- 📖 bregman-arie/devops-exercises - Exercises and questions
- 📖 rohitg00/devops-interview-questions - Platform engineering focus
- 📖 iam-veeramalla/devops-interview-preparation-guide - Community-driven Q&A
Books for Deep Learning
- 📚 "Site Reliability Engineering" - Google's SRE practices
- 📚 "The Site Reliability Workbook" - Practical SRE implementation
- 📚 "Accelerate" - DevOps metrics and practices
- 📚 "The DevOps Handbook" - Implementation guide
Remember: Focus on understanding concepts deeply rather than memorizing answers. Interviewers value practical experience and problem-solving skills over rote knowledge.