Technical Skills for Platform Engineers
Master the essential technical skills needed for platform engineering, SRE, and DevOps roles. This focused guide covers 85 core technologies that appear most frequently in job requirements and drive modern infrastructure.
☁️ Cloud Platforms & Services
Master the major cloud providers and their core services.
Public Cloud Providers
- AWS - Market leader with 32% share, most mature ecosystem
- Microsoft Azure - Enterprise favorite, strong hybrid cloud
- Google Cloud Platform - Best Kubernetes support, ML/AI leadership
Cloud Services
- IAM - Identity and Access Management across clouds
- Serverless - Lambda, Functions, and event-driven compute
- API Gateway - Managing and securing APIs at scale
🐳 Containers & Orchestration
Build and manage containerized applications at scale.
Core Technologies
- Docker - Container platform standard
- Kubernetes - Container orchestration leader
- Container Registries - Image storage and distribution
Kubernetes Ecosystem
- Helm - Package management for Kubernetes
- Kustomize - Template-free K8s configuration
- Operators - Kubernetes native applications
- K3s - Lightweight Kubernetes
Advanced Container Tools
- Podman - Daemonless container engine
- containerd - Industry-standard runtime
🏗️ Infrastructure as Code
Automate infrastructure provisioning and configuration.
Primary Tools
- Terraform - Multi-cloud infrastructure as code
- Ansible - Agentless automation
- CloudFormation - AWS native IaC
Modern IaC
- Pulumi - IaC with real programming languages
- Crossplane - Kubernetes-native infrastructure
Supporting Tools
- Packer - Multi-platform image building
- Cloud-init - Instance initialization
🔄 CI/CD & GitOps
Implement continuous integration, delivery, and deployment.
Version Control
- Git - Distributed version control system
CI/CD Platforms
- Jenkins - Most widely adopted CI/CD server
- GitHub Actions - GitHub's integrated CI/CD
- GitLab CI - Complete DevOps platform
- CircleCI - Cloud-native CI/CD
- Spinnaker - Multi-cloud continuous delivery
GitOps
📊 Observability & Monitoring
Monitor, analyze, and understand system behavior.
Metrics & Visualization
- Prometheus - Cloud-native monitoring standard
- Grafana - Visualization and dashboards
Logging
- Elasticsearch - Search and analytics engine
- Fluentd - Log collection and forwarding
- Loki - Prometheus-style log aggregation
Tracing & APM
- OpenTelemetry - Observability framework standard
- Jaeger - Distributed tracing
Commercial Solutions
- Datadog - Full-stack observability platform
- Splunk - Enterprise data platform
- New Relic - Application performance monitoring
💻 Languages & Tools
Essential programming languages and development tools.
Core Languages
- Python - #1 for automation and tooling
- Go - Cloud-native systems language
- Bash - Shell scripting essential
- JavaScript - Full-stack development
Configuration Languages
- YAML - Kubernetes and CI/CD configs
- JSON - Data interchange format
- HCL - HashiCorp Configuration Language
🔐 Security & Compliance
Secure infrastructure and applications.
Core Security
- HashiCorp Vault - Secrets management leader
- Container Security - Scanning and runtime protection
- Zero Trust - Modern security architecture
Policy & Scanning
Certificates & Identity
- cert-manager - Kubernetes certificate management
- Keycloak - Open source identity management
🌐 Networking & Load Balancing
Build reliable, secure, and performant networks.
Core Networking
- TCP/IP - Networking fundamentals
- DNS - Domain name system
- Linux Networking - iptables, routing, performance
Load Balancers & Proxies
- NGINX - Web server and reverse proxy
- HAProxy - High-performance load balancer
- Envoy - Modern cloud-native proxy
- Traefik - Cloud-native edge router
Service Mesh
💾 Data & Storage
Manage databases, caching, and persistent storage.
Relational Databases
- PostgreSQL - Most advanced open source database
- MySQL - Most popular open source database
NoSQL & Caching
- MongoDB - Document database leader
- Redis - In-memory data structure store
- DynamoDB - AWS managed NoSQL
- Cassandra - Distributed wide-column store
Specialized Databases
- InfluxDB - Time series database
- ClickHouse - Real-time analytics
Storage Solutions
- MinIO - S3-compatible object storage
- Ceph - Distributed storage system
- etcd - Distributed key-value store
📨 Messaging & Streaming
Build event-driven architectures.
Message Brokers
- Apache Kafka - Distributed streaming platform
- RabbitMQ - Message broker standard
- NATS - Cloud-native messaging
Workflow Orchestration
- Apache Airflow - Workflow automation platform
🐧 Linux & Systems
Master the foundation of all modern infrastructure.
Core Skills
- Linux Fundamentals - Essential commands and concepts
- Linux Performance - Optimization and tuning
- System Administration - Managing Linux systems
Advanced Topics
- Linux Security - Hardening and best practices
🎯 Platform Engineering
Build internal developer platforms and golden paths.
Core Concepts
- Platform Engineering - Building internal platforms
- Backstage - Spotify's developer portal platform
- SRE Practices - Reliability engineering
Supporting Technologies
- Cost Optimization - FinOps and cost management
- OpenStack - Private cloud platform
- VMware - Enterprise virtualization
- REST/GraphQL/gRPC - API design patterns
🚀 Additional Essential Tools
Backup & Recovery
- Velero - Kubernetes backup and restore
Policy & Governance
- Kyverno - Kubernetes native policies
- Gatekeeper - OPA-based admission controller
Development Tools
📈 Getting Started
For Beginners
- Start with Linux Fundamentals
- Learn Docker and Git
- Pick one cloud: AWS (recommended for job market)
- Master Python for automation
- Understand Prometheus and Grafana
For Developers → Platform Engineers
- Deep dive into Kubernetes
- Master Terraform for infrastructure as code
- Learn ArgoCD for GitOps
- Understand Platform Engineering principles
- Explore Backstage for developer portals
For Experienced Engineers
- Implement Zero Trust architectures
- Master Service Mesh with Istio
- Build Internal Developer Platforms
- Optimize costs with FinOps practices
- Scale with Apache Airflow for complex workflows
All pages include curated learning resources to help you master each technology.
Ready to accelerate your platform engineering career? Start with the fundamentals or jump directly to the technology you need to master!