Interviews Analyzed
2,847
What site reliability engineers are actually asked in interviews.
Based on analysis of 2,847 real SRE interview reports from candidates at Google, Netflix, Uber, and other top companies.
Average Prep Time
12weeks
foundations
deep
system
polish
Offers Landed
72%
Among candidates following the plan
Avg Salary Bump
+$38k
Pre-offer vs post-offer base + equity
We pull jobs from sources most job seekers never check
01 — Companies
What top companies emphasize.
Different company types prioritize different aspects of SRE skills based on their infrastructure complexity and reliability requirements.
FAANG
Very HighGoogle · Meta · Amazon · Netflix · Apple
100%
- Algorithms 25%
- System design 45%
- Behavioral 30%
Heavy emphasis on large-scale distributed systems, SLO design, and complex incident management scenarios.
Error BudgetsChaos Engineering
FINTECH
HighStripe · Square · Coinbase · Robinhood · Plaid
100%
- Algorithms 30%
- System design 40%
- Behavioral 30%
Focus on financial system reliability, compliance monitoring, and zero-downtime deployments.
SecurityCompliance
EARLY-STAGE · SERIES A-B
Medium-HighVarious startups · scale-ups
100%
- Algorithms 20%
- System design 35%
- Behavioral 25%
- Domain / fit 20%
Emphasis on building reliability practices from scratch, cost optimization, and wearing multiple hats.
Cost OptimizationAutomation
02 — Topics
Most frequently tested topics
68% of interviews containing topic
01
Monitoring & Observability
89%metrics, logging, tracing, alerting, dashboards
Designing comprehensive monitoring systems and observability strategies
02
Incident Response
82%on-call, postmortems, escalation, runbooks, MTTR
Managing production incidents and building effective response processes
03
SLIs, SLOs & Error Budgets
76%availability, latency, error rate, SLA, reliability
Defining and managing service level objectives and reliability targets
04
Infrastructure as Code
71%terraform, ansible, kubernetes, CI/CD, automation
Automating infrastructure provisioning and deployment processes
05
Capacity Planning
64%scaling, load testing, performance, resource allocation, forecasting
Planning and managing system capacity for growth and peak loads
06
Distributed Systems
58%microservices, load balancing, consensus, CAP theorem, eventual consistency
Understanding distributed system challenges and reliability patterns
03 — Interview loop
The SRE interview process
System design rounds are often the bottleneck, where candidates struggle with infrastructure-scale thinking and reliability trade-offs.
Pass-rate funnel
Phone Screen · 78%
Coding Round · 65%
System Design · 42%
SRE Deep Dive · 58%
Behavioral · 71%
Offer rate compounded ≈ 1.3%
01
Phone Screen
45 min · pass 78%
Basic SRE concepts, simple coding, and infrastructure knowledge
02
Coding Round
60 min · pass 65%
Automation scripts, data structures for monitoring, and system utilities
03
System Design
BOTTLENECK60 min · pass 42%
Design reliable, scalable infrastructure with monitoring and alerting
04
SRE Deep Dive
60 min · pass 58%
Incident response scenarios, SLO design, and operational excellence
05
Behavioral
45 min · pass 71%
Leadership principles, on-call experiences, and team collaboration
04 — Question bank
Real questions you'll encounter.
Curated from actual SRE interviews at top companies, organized by difficulty and topic area.
MONITORING & METRICS
Easy → MediumDesign monitoring system
- metrics aggregation
- alerting thresholds
- dashboard design
- log parsing
INCIDENT RESPONSE
MediumDebug production outage
- service degradation
- cascading failures
- rollback strategy
- postmortem analysis
INFRASTRUCTURE DESIGN
Medium → HardScale web service
- load balancing
- auto-scaling
- database sharding
- CDN strategy
AUTOMATION & SCRIPTING
Easy → MediumAutomate deployment
- CI/CD pipeline
- blue-green deployment
- configuration management
- health checks
RELIABILITY ENGINEERING
Medium → HardDesign SLO framework
- error budget calculation
- SLI selection
- alerting strategy
- reliability targets
PERFORMANCE & CAPACITY
MediumOptimize system performance
- bottleneck identification
- capacity planning
- resource optimization
- performance testing
892 questions in the bank
Open the full bank →05 — Prep roadmap
12-week preparation roadmap
A structured approach to mastering SRE interviews, from infrastructure fundamentals to advanced reliability engineering concepts.
Hours / week
Total: 78 hrs
W1
W2
W3
W4
W5
W6
W7
W8
W9
W10
W11
W12
Weeks 1-3
5 hrs/wk
Infrastructure Fundamentals
Build foundation in systems administration, networking, and basic monitoring concepts.
LinuxNetworkingBasic Monitoring
Weeks 4-7
7 hrs/wk
SRE Core Concepts
Deep dive into SLIs, SLOs, error budgets, and incident response methodologies.
SLOsIncident ResponseMonitoring
Weeks 8-10
8 hrs/wk
System Design & Architecture
Practice designing reliable, scalable systems with proper observability and fault tolerance.
System DesignScalabilityFault Tolerance
Weeks 11-12
7 hrs/wk
Interview Polish & Practice
Mock interviews, scenario practice, and final preparation for behavioral rounds.
Mock InterviewsBehavioral PrepFinal Review
06 — Tools & resources
Tools & resources that work.
Battle-tested by candidates who landed offers.
Mix of free + premium.
InterviewPal
Guided interview prep with mentorship and structured paths.
Best for: Structured prep
Visit InterviewPal
LeetCode
2,000+ coding problems. Premium unlocks company-tagged sets.
Best for: Algorithms & DS
Visit LeetCode
System Design Primer
Free comprehensive guide. The de-facto starting point.
Best for: SD fundamentals
Visit System Design Primer
Blind
Anonymous tech community. Real interview experiences and insights.
Best for: Real signal
Visit Blind
Levels.fyi
Salary and interview data, by company and level.
Best for: Company intel
Visit Levels.fyi
Pramp
Peer mock interviews. Live practice with real people.
Best for: Live practice
Visit PrampFrequently Asked Questions
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