Automates build, deployment and operations so teams ship faster and safer.

Entry

Intermediate

Coding

High

Key skills

CI/CD pipelinesDockerGit & branching strategiesLinux

What is a DevOps Engineer?

A DevOps Engineer owns the delivery flow that turns source code into running, observable production systems. They build and maintain CI/CD pipelines, describe infrastructure as code, package applications into containers, operate Kubernetes and automate the repetitive work that separates a fragile deployment from a reliable one. The role sits at the intersection of development and operations: they must understand how software is built and how it behaves in production, and they are measured by delivery speed, deployment safety and the reduction of manual toil.

Career overview

DevOps is a culture before being a job title, but in practice the DevOps Engineer builds the machinery that lets developers ship to production several times a day without fear: pipelines, infrastructure as code, containers, environments on demand, observability, and the feedback loops that catch problems early. The role demands both a developer mindset and production experience — which is why so many DevOps Engineers come from operations.

A typical sprint: a pipeline that breaks for one team but not another

An illustrative scenario showing how this professional works through a real situation. It is not a real case study.

1 The problem

On Monday morning, the payments team reports that their CI/CD pipeline, which used to deploy in 4 minutes, now takes 22 minutes and sometimes times out. The platform team's pipeline, using the same shared infrastructure, is unaffected. The DevOps Engineer must find why two teams on the same platform behave differently.

2 Investigation

The engineer opens the pipeline logs in GitLab CI and compares the two teams' runs. The payments pipeline spends 18 minutes in the "build" stage, while the platform team's build takes 3 minutes. The difference: the payments team recently added a large machine-learning model file to their repository, and the build step downloads dependencies and copies the 2 GB model on every run. The platform team has no such file.

3 Actions taken

The engineer does not just fix the symptom — they fix the system. First, they move the model file out of the Git repository into an S3 bucket and update the build script to download it only when it changes, using a content hash. Second, they add a `.gitignore` rule and a pre-commit hook that warns when a file larger than 50 MB is about to be committed. Third, they add a pipeline duration metric to the shared dashboard so any future regression is visible to everyone, not just the affected team.

4 Outcome

The payments pipeline drops back to 4 minutes. The pre-commit hook catches two more large-file attempts in the following weeks before they reach the repository. The duration metric reveals a third team with a slow test suite, which the engineer helps optimise. The fix becomes a pattern: the DevOps Engineer's job is not to unblock one pipeline, but to make the whole platform better so the problem does not recur.

Main responsibilities

  • Build and maintain CI/CD pipelines
  • Describe infrastructure as code and version it
  • Package and operate containerised workloads
  • Implement metrics, logs and tracing end to end
  • Automate recurring tasks with scripts
  • Operate Kubernetes clusters and their add-ons
  • Prepare and execute change requests in production
  • Lead incident resolution and post-mortem analysis
  • Keep technical documentation up to date
  • Reduce toil through automation and better tooling
  • Provision and secure cloud resources
  • Mentor junior team members and review their work

Technical skills

CI/CD pipelines90%
Linux80%
Docker85%
Kubernetes75%
Terraform80%
Python / Go scripting70%
Cloud (AWS/Azure/GCP)75%
Observability75%
Git & branching strategies85%
Security in pipelines60%

Technologies

LinuxDockerKubernetesTerraformAnsibleGitLab CIGitHub ActionsJenkinsArgoCDHelmAWSAzureGCPPrometheusGrafanaPythonBashGitVaultKafka

Education level

Education requirements vary depending on the company, country and experience. Professional experience, certifications and technical skills can sometimes compensate for formal education.

High School / Bac

Less common

Bac+2 (2-year degree)

Common entry point

Bac+3 (Bachelor)

Common entry point

Bac+5 (Master / Engineering)

Common entry point

Experience & coding level

Experience level

Entry LevelJuniorIntermediateSeniorExpert

Coding level

No codingLowMediumHighVery High
Technical difficulty80%

Useful certifications

Certifications are never mandatory. They are one way among others to prove a skill.

  • CKA
  • HashiCorp Terraform Associate
  • AWS DevOps Engineer Professional

Where can this career take you?

Multiple paths are possible. Click a role to open its profile.

Where can you go next?

Realistic next career moves, with compatibility and a transition roadmap for each.

Overlap: 50% · Difficulty: Medium

Skills to learn: SLO & error budgets, Performance engineering, Distributed systems

View roadmap

Overlap: 56% · Difficulty: Medium

Skills to learn: CI/CD at scale, Developer experience, API design

View roadmap

Overlap: 61% · Difficulty: Medium

Skills to learn: Identity & access management, Containers, Cost optimisation

View roadmap

Overlap: 55% · Difficulty: Hard

Skills to learn: IAM, Detection & response, Compliance

View roadmap

Overlap: 45% · Difficulty: Medium

Skills to learn: CI/CD, Policy-as-code (OPA), Git

View roadmap

Overlap: 31% · Difficulty: Hard

Skills to learn: Landing zones, Cost & FinOps, Migration

View roadmap

Where can you go from here?

A typical progression built from real career relationships. Click any role to open its profile.

Soft skills
  • Problem solving
  • Teamwork
  • Technical curiosity
  • Clear communication
  • Sense of ownership
  • Ability to explain and teach
Common previous careers

Roles that frequently lead into this career.

Overlap: 15% · Difficulty: Hard

Skills to learn: CI/CD pipelines, Docker, Kubernetes

View roadmap

Overlap: 36% · Difficulty: Medium

Skills to learn: CI/CD pipelines, Kubernetes, Terraform

View roadmap

Overlap: 27% · Difficulty: Medium

Skills to learn: CI/CD pipelines, Docker, Kubernetes

View roadmap

Overlap: 27% · Difficulty: Medium

Skills to learn: CI/CD pipelines, Docker, Kubernetes

View roadmap

Overlap: 37% · Difficulty: Medium

Skills to learn: CI/CD pipelines, Docker, Kubernetes

View roadmap

Overlap: 26% · Difficulty: Medium

Skills to learn: CI/CD pipelines, Linux, Kubernetes

View roadmap

How to become a DevOps Engineer

  1. 1

    Build solid Linux and scripting foundations

    DevOps runs on Linux. Master the command line, processes, networking and a scripting language (Bash and Python are the standard starting point) before touching any tool.

  2. 2

    Learn version control and CI/CD

    Git is non-negotiable. Then learn to wire a repository to a pipeline (GitHub Actions or GitLab CI) that runs tests and builds an artifact on every commit.

  3. 3

    Master infrastructure as code

    Learn Terraform to provision resources reproducibly and Ansible for configuration management. Version everything in Git — infrastructure as code is the entry ticket to the role.

  4. 4

    Add containers and Kubernetes

    Write Dockerfiles, build images and push them to a registry. Then learn Kubernetes basics: pods, deployments, services and Helm charts. Most modern DevOps work runs on Kubernetes.

  5. 5

    Build observability and grow toward SRE

    Add monitoring (Prometheus, Grafana) and logging so you can see what you deploy. From there, the natural next step is SRE: SLOs, error budgets and reliability engineering.

DevOps Engineer compared with adjacent roles

How this role differs from neighbouring IT jobs.

DevOps Engineer vs Site Reliability Engineer

DevOps Engineer vs Platform Engineer

DevOps Engineer vs Cloud Engineer

DevOps Engineer vs Backend Developer

Frequently asked questions

What is a DevOps Engineer?

A DevOps Engineer owns the delivery flow from source code to production: CI/CD pipelines, infrastructure as code, containers, Kubernetes and automation. They bridge development and operations to ship software faster and more reliably.

What does a DevOps Engineer do?

They build and maintain CI/CD pipelines, provision infrastructure with Terraform, configure systems with Ansible, package applications in Docker, operate Kubernetes clusters, implement monitoring and logging, and automate the repetitive tasks that slow down delivery.

Which tools does a DevOps Engineer use?

Core tools include Git, GitHub Actions or GitLab CI, Jenkins, Terraform, Ansible, Docker, Kubernetes, Helm, Prometheus, Grafana, and a cloud provider (AWS, Azure or GCP). Scripting is mostly Python, Bash and increasingly Go.

How do I become a DevOps Engineer?

Build Linux and scripting skills, learn Git and a CI/CD tool, master Terraform for infrastructure as code, add Docker and Kubernetes, and learn monitoring. Common paths in are from system administration, production engineering or backend development.

What is the career progression of a DevOps Engineer?

The typical path is DevOps Engineer → Senior DevOps Engineer → DevOps Lead or DevOps Architect, with branches into Site Reliability Engineering, Platform Engineering or Cloud Architecture. Each step adds architecture judgement, reliability skills and leadership.

Related resources

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A documented transition from this role to the next.

DevOps EngineerSite Reliability Engineer

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