Ensure reliability, performance, and scalability of systems
Estimated time to learn: 10-16 months
Salary range: $110K - $190K
Difficulty level: Advanced
Programming
Data Structures
Algorithms
System Design
Linux
Networking
Cloud Platforms
Infrastructure as Code
Monitoring
Observability
Incident Management
SLIs/SLOs
Chaos Engineering
Capacity Planning
Performance Tuning
Leadership
Role path · Advanced
Site Reliability Engineer (SRE)
Ensure reliability, performance, and scalability of systems
10-16 months $110K - $190K 16 topics
Career guide
Become a hireable engineer in this role
Site Reliability Engineers (SREs) bridge the gap between development and operations by applying software engineering principles to infrastructure problems to ensure system scalability and uptime.
Suggested paceDedicate 15-20 hours weekly, progressing through the four stages sequentially with a 70/30 split between hands-on lab work and theoretical study.
What this role actually is
Design and implement automated CI/CD pipelines
Manage incident response and conduct blameless post-mortems
Optimize system performance and resource utilization
Develop internal tooling to reduce manual operational toil
Define and monitor Service Level Objectives (SLOs) and Error Budgets
Manage cloud infrastructure as code (IaC)
Good fit if you
Problem solvers who enjoy debugging complex distributed systems
Developers who prefer infrastructure automation over building product features
Professionals who thrive in high-pressure incident management scenarios
Before you start
Proficiency in Linux/Unix fundamentals
Strong understanding of networking (TCP/IP, DNS, HTTP)
Familiarity with basic scripting (Bash or Python)
Experience with version control systems like Git
How to get hired
Publish blog posts detailing how you resolved a complex system outage
Contribute to open-source infrastructure tools to demonstrate coding ability
Build a portfolio showcasing 'Toil Reduction' scripts on GitHub
Obtain cloud-specific certifications (AWS/GCP/Azure) relevant to your target stack
Practice system design interviews with a focus on high-availability architectures
Portfolio milestones — build your way to hired-ready
1Infrastructure Automation
Deploy a scalable web application using Infrastructure as Code tools.
Done when
Terraform scripts provisioned cloud resources
Auto-scaling groups configured
Load balancer correctly routing traffic
Deployment automated via CI/CD pipeline
2Observability Suite
Implement a full monitoring and alerting stack for a distributed service.