Best IT Certifications for DevOps Engineers

Moving from sysadmin or networking into DevOps? These IT certifications bridge the gap, with costs, formats and a sequence matched to your background.

Kenji Nakamura25 July 2026 · 10 min read

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Illustration of a bridge made of certification badges connecting traditional IT infrastructure to a DevOps environment

A Windows sysadmin with eight years of patching, Active Directory and ticket queues applies for a DevOps role and hears nothing back. A network engineer with a CCNA-era background gets the same silence. Neither is underqualified — they are illegibly qualified. Their CVs describe infrastructure work in a vocabulary hiring managers for DevOps roles no longer scan for. The right certifications fix precisely that problem: they translate operational experience you already have into the container, cloud and automation language the role is advertised in.

This article is for IT professionals crossing over — sysadmins, network engineers, support and infrastructure people aiming at a first DevOps role. If you already hold a DevOps title and want the advanced, professional-tier shortlist instead, that is a different question with different answers, covered in our guide to the best DevOps certifications for experienced engineers.

What actually changes when you move from IT ops to DevOps?

The honest answer: less than the job adverts imply, and more than your CV shows. You already understand Linux or Windows internals, networking, DNS, storage and troubleshooting under pressure — the substrate DevOps runs on. What you are typically missing, in hiring managers' eyes, is evidence of four things: containers and orchestration, infrastructure as code, CI/CD pipelines, and at least one public cloud. The certifications below map one-to-one onto those four gaps. That mapping — not any "top 10" logic — is how you should choose.

A certification will not substitute for hands-on practice, but for career changers it does two jobs experience alone cannot: it gets your CV past keyword filters, and it forces you through a syllabus that closes gaps you did not know you had. Whether that trade-off is worth the fees for your situation is a fair question — we weigh it separately in Is a DevOps certification worth it?

The shortlist for career changers

Certified Kubernetes Administrator (CKA) — the strongest single signal

If you take only one exam from this page, most transitioning infrastructure people should make it the Certified Kubernetes Administrator, run by the Cloud Native Computing Foundation (CNCF) through the Linux Foundation. It is the credential that most directly re-labels a sysadmin as a platform-capable engineer, because it is administration — of clusters rather than servers.

What makes the CKA carry weight is its format. It is performance-based: two hours of hands-on tasks solved at a command line in live Kubernetes clusters, proctored remotely through the PSI Bridge secure-browser platform. There is no way to flashcard your way through it, which is exactly why hiring managers rate it above multiple-choice credentials. As of 2026 the exam tracks Kubernetes v1.35, costs $445 USD exam-only (confirm current pricing on the Linux Foundation's site — taxes and bundles vary), has a 66% passing score, no prerequisites, and stays valid for two years. Your purchase includes a 12-month eligibility window, one free retake and two sessions in the killer.sh exam simulator.

One thing transitioning candidates often miss: the curriculum was revised on 18 February 2025. The five domains are unchanged — Troubleshooting is the heaviest at 30% — but the competencies now include the Gateway API alongside Ingress, Helm and Kustomize, and troubleshooting of CRI, CSI and CNI integrations. Study material published before that revision will leave holes.

For a sysadmin, the CKA is genuinely learnable: cluster architecture, networking, storage and troubleshooting are your home territory, just expressed through kubectl instead of your current tooling.

KCNA — the on-ramp if the CKA looks too steep

The Kubernetes and Cloud Native Associate (KCNA), also from CNCF/Linux Foundation, is the entry-level rung of the same ladder: a 90-minute, online-proctored multiple-choice exam at $250 USD, no prerequisites, valid two years, with two attempts included in the purchase. It covers Kubernetes fundamentals and the surrounding cloud native ecosystem rather than hands-on administration.

Take it if you have never touched containers and want a structured survey before committing to the CKA's hands-on format. Skip it if you already run Docker at home or have brushed against Kubernetes at work — in that case the money is better spent going straight to the CKA. (A common misconception, for what it is worth: the Certified Kubernetes Application Developer, CKAD, is not "the beginner Kubernetes exam" — both CKA and CKAD are intermediate, and CKAD is aimed at developers deploying applications, not at infrastructure people.)

HashiCorp Terraform Associate (004) — infrastructure as code, cheaply proven

Infrastructure as code is the single most jarring cultural shift for people who grew up clicking through consoles or writing one-off scripts. The HashiCorp Certified: Terraform Associate exam is the standard way to evidence it. As of 2026 the current version is 004 (first delivered 8 January 2026 — anything discussing the 003 exam is out of date), tested against Terraform 1.12. It is a one-hour, online-proctored multiple-choice exam at $70.50 USD plus taxes, with no formal prerequisites and a two-year validity. Note there is no free retake at the Associate tier, unlike the CNCF hands-on exams.

At roughly a sixth of the CKA's price, this is the best value-per-pound exam on this page, and for sysadmins it directly converts "I manage servers" into "I define infrastructure declaratively" — the exact reframing your CV needs.

GitHub Actions (GH-200) — the CI/CD checkbox

CI/CD pipelines are where career changers most often have zero demonstrable history, because build tooling traditionally belonged to development teams. GitHub's certification programme covers this gap credibly and cheaply. Since 1 July 2025, all GitHub certification exams are delivered through Pearson VUE in partnership with Microsoft Learn and carry Microsoft-style codes: GitHub Foundations is GH-900 and GitHub Actions is GH-200. GH-200 is a proctored multiple-choice exam, listed at 100 minutes and pitched at intermediate level, at $99 USD in most regions.

If you have never used Git in anger, sit GH-900 first; if you use Git daily but have never owned a pipeline, go straight to GH-200. GitLab also offers a Certified CI/CD Associate if your target employers are GitLab shops — check current details on GitLab's site, as pricing was not verified for this article.

One cloud certification — pick the cloud your target employers use

Nearly every DevOps advert names a cloud. You need one — and only one, initially. The professional-tier DevOps exams (AWS Certified DevOps Engineer – Professional DOP-C02, Microsoft's AZ-400 Azure DevOps Engineer Expert, Google's Professional Cloud DevOps Engineer) are real hiring currency, but they assume production experience you may not have yet; treat them as a second-year goal, not a bridge. Is the AWS DevOps Professional worth it eventually? For most people crossing from IT ops, yes — but after landing the first role, and you can preview its scope on the AWS Certified DevOps Engineer Professional DOP-C02 exam page.

For the bridge itself, an associate-level cloud cert (or a fundamentals one such as AZ-900 if you are cloud-new) is enough to clear CV filters. Check current fees on each provider's official page — cloud exam prices vary by region and were not re-verified here.

What about Docker certification?

There is none worth pursuing. The Docker Certified Associate (DCA) was discontinued after Mirantis acquired Docker Enterprise and has no successor. Any article recommending it is stale. You still need Docker skills — you get them for free on the way to KCNA or CKA, since the CNCF ladder is now the standard container credential path.

A decision framework: match the cert to the gap, not the hype

Work through these four questions in order:

Can you containerise an application and explain what an orchestrator does? If no → KCNA, then CKA. If partially → straight to CKA.
Have you ever defined infrastructure in code and applied it repeatably? If no → Terraform Associate 004.
Have you built or owned a CI/CD pipeline? If no → GitHub Actions GH-200 (or GitLab's equivalent, depending on your market).
Does your CV name a public cloud? If no → one associate/fundamentals cloud cert for the provider dominant in your local job market.

Most career changers have two or three of these gaps, not all four. Budget accordingly: the full sweep above — KCNA, CKA, Terraform Associate and GH-200 — comes to roughly $865 in list-price exam fees, and the Linux Foundation runs frequent sitewide sales, so the realistic outlay is often lower. Sequencing across a longer horizon (what to stack second and third) is its own topic, mapped stage by stage in the DevOps certification roadmap.

Two realistic transitions

The Linux sysadmin. Five years of on-prem Linux, some Bash and Ansible exposure. Skip KCNA — the fundamentals survey would bore you. Go CKA first (your troubleshooting instincts transfer directly to its heaviest domain), then Terraform Associate, then GH-200. Six to nine months of evenings is a common cadence, though no official study-hour figures exist for these exams and your mileage will vary with prior container exposure.

The Windows/network engineer. Strong infrastructure fundamentals, little Linux command-line fluency. Start with KCNA to build the cloud native vocabulary while you separately level up Linux CLI skills, then Terraform Associate (its console-to-code shift is your biggest win), then CKA once you are comfortable living in a terminal. An Azure-leaning market makes AZ-900 a sensible parallel step — see the AZ-900 Microsoft Azure Fundamentals exam page for its scope.

Mistakes that cost transitioning candidates the most

Studying the CKA from pre-2025 material. The February 2025 curriculum revision added Gateway API, Helm/Kustomize and CRI/CSI/CNI troubleshooting; old courses miss all of it.
Treating the CKA like a multiple-choice exam. It is two hours of live-cluster tasks. Reading without lab time fails people who know the theory cold. Use the two included killer.sh simulator sessions late in your prep, not early.
Collecting fundamentals certs indefinitely. Two fundamentals-level badges are a floor, not a strategy. One entry cert plus one hands-on cert beats four multiple-choice ones.
Chasing professional-tier exams too early. AZ-400 and AWS DevOps Professional examine judgement built in production. Failing them pre-transition wastes money and morale.
Ignoring renewal maths. CNCF certs earned since 1 April 2024 last two years and renew only by full retake — no continuing-education path. Factor a second exam fee into your two-year plan.
Memorising practice answers. Practice questions are for diagnosing weak domains, not for pattern-matching. Analyse why each wrong answer is wrong; on performance-based exams there is nothing to memorise anyway.

Proving it beyond the badge

Certifications open the door; a small portfolio walks you through it. Pair each exam with an artefact: a Terraform-defined homelab in a public repo, a GitHub Actions pipeline that builds and deploys a containerised app, notes from breaking and repairing your own cluster. When you are close to exam-ready, benchmark yourself under realistic conditions — ExamPractice offers free sample practice questions across these exam areas, with fuller question sets and a timed practice-test simulation available to subscribers, which is a useful final check that your weak domains are genuinely closed before you pay an exam fee.

Salary expectations for the role you are moving into are covered — with sourced figures — in the DevOps certification salary guide, and how titles progress once you are in is mapped in the DevOps certification career path.

A readiness checklist before you book anything

Run through this before paying an exam fee — each unticked box is cheaper to fix now than after a failed attempt:

For the CKA: you can create, expose, scale and debug a deployment from a bare terminal without notes; you have completed both killer.sh simulator sessions and reviewed every task you missed; you have practised on a single monitor with webcam, matching PSI Bridge's proctoring constraints; your study material is dated after February 2025.
For Terraform Associate 004: you have written, planned and applied configurations against a real provider, used state commands, and can explain modules and workspaces without looking them up — remembering there is no free retake at this tier.
For GH-200: you have authored workflows with triggers, secrets and matrix builds in your own repositories, not just watched them run in someone else's.
For all of them: a timed mock sat under exam conditions came back comfortably above the passing threshold (66% for CKA — and treat "comfortably" as meaning your weakest domain passed, not just your average).
For your CV: each planned cert maps to a named gap from the framework above; none duplicates evidence you already have.

If more than two boxes stay unticked for an exam, push the booking back a month rather than gambling the fee. The eligibility windows are twelve months long precisely so you do not have to rush.

Your bridge, in one paragraph

For most IT professionals crossing into DevOps in 2026, the bridge is: one Kubernetes credential (KCNA if you are container-new, CKA if not), Terraform Associate 004 for infrastructure as code, GitHub Actions GH-200 for CI/CD, and one cloud cert matched to your local market — with the professional-tier cloud DevOps exams deferred until after your first role. Choose by gap, sequence by background, and back every badge with something you built.

Exam facts in this guide were checked against official certification-provider pages on 30 August 2026. Fees, exam codes and policies change — confirm on the provider’s own site before you book.