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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

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

Kubernetes Ecosystem

  • Helm - Package management for Kubernetes
  • Kustomize - Template-free K8s configuration
  • Operators - Kubernetes native applications
  • K3s - Lightweight Kubernetes

Advanced Container Tools


🏗️ Infrastructure as Code

Automate infrastructure provisioning and configuration.

Primary Tools

Modern IaC

  • Pulumi - IaC with real programming languages
  • Crossplane - Kubernetes-native infrastructure

Supporting Tools


🔄 CI/CD & GitOps

Implement continuous integration, delivery, and deployment.

Version Control

  • Git - Distributed version control system

CI/CD Platforms

GitOps

  • ArgoCD - Declarative GitOps for Kubernetes
  • Flux - CNCF GitOps toolkit

📊 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

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

Policy & Scanning

  • OPA - Policy as code standard
  • Trivy - Vulnerability scanning
  • Falco - Runtime threat detection

Certificates & Identity


🌐 Networking & Load Balancing

Build reliable, secure, and performant networks.

Core Networking

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

  • Istio - Most adopted service mesh
  • Consul - Service discovery and 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

Storage Solutions

  • MinIO - S3-compatible object storage
  • Ceph - Distributed storage system
  • etcd - Distributed key-value store

📨 Messaging & Streaming

Build event-driven architectures.

Message Brokers

Workflow Orchestration


🐧 Linux & Systems

Master the foundation of all modern infrastructure.

Core Skills

Advanced Topics


🎯 Platform Engineering

Build internal developer platforms and golden paths.

Core Concepts

Supporting Technologies


🚀 Additional Essential Tools

Backup & Recovery

  • Velero - Kubernetes backup and restore

Policy & Governance

Development Tools

  • tmux - Terminal multiplexer
  • vim - Text editor

📈 Getting Started

For Beginners

  1. Start with Linux Fundamentals
  2. Learn Docker and Git
  3. Pick one cloud: AWS (recommended for job market)
  4. Master Python for automation
  5. Understand Prometheus and Grafana

For Developers → Platform Engineers

  1. Deep dive into Kubernetes
  2. Master Terraform for infrastructure as code
  3. Learn ArgoCD for GitOps
  4. Understand Platform Engineering principles
  5. Explore Backstage for developer portals

For Experienced Engineers

  1. Implement Zero Trust architectures
  2. Master Service Mesh with Istio
  3. Build Internal Developer Platforms
  4. Optimize costs with FinOps practices
  5. 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!