Red Hat Certified System Administrator Guide
·11 min read
What the RHCSA is, how the hands-on EX200 exam works, what it costs, how scoring and renewal work, and where it fits in Red Hat's 2026 certification tracks.
Continue readingWhat Kubernetes-certified engineers actually earn: verified 2026 DevOps salary data, how CKA, CKAD and CKS affect pay, and honest limits of the numbers.

Four major salary trackers, four different answers. As of August 2026, the average US DevOps engineer — the role most Kubernetes-certified professionals hold — earns roughly $145,271 a year according to Glassdoor, $133,662 according to Indeed, $133,817 according to Built In, and $122,950 according to ZipRecruiter. A spread of more than $22,000 between reputable sources, before a single certification enters the picture, is the first honest lesson of any Kubernetes salary guide: the numbers are ranges, not promises, and anyone quoting one universal figure is simplifying.
Short answer: Kubernetes-certified engineers typically work in roles — DevOps engineer, platform engineer, site reliability engineer (SRE) — where US pay clusters between roughly $117,000 and $182,000 (Glassdoor's typical range, accessed August 2026), with averages from the four major trackers sitting between about $123,000 and $145,000. No verified data isolates an exact dollar premium for holding the Certified Kubernetes Administrator (CKA), Certified Kubernetes Application Developer (CKAD) or Certified Kubernetes Security Specialist (CKS) specifically — claims like "CKA holders earn $X more" do not survive sourcing. What the certifications reliably do is qualify you for, and strengthen your negotiating position within, these well-paid role bands.
This is the money article in our Kubernetes series. For which certification to take and in what order, see the Kubernetes certification career path; for what each exam involves, start with the full overview of Kubernetes certifications.
| Source | Average US pay, DevOps engineer | Accessed |
|---|---|---|
| Glassdoor | $145,271/year (typical range ~$117k–$182k) | Aug 2026 |
| Built In | $133,817/year | 2026 |
| Indeed | $133,662/year | Aug 2026 |
| ZipRecruiter | $122,950/year | 28 Aug 2026 |
Three caveats make this table usable rather than misleading:
Search results are full of precise-sounding claims — a specific average for CKA holders, a percentage uplift for the CKAD. None of the figures in this article's sources isolates certification holders from the wider role population, and no major tracker publishes a credible Kubernetes-certification-specific premium. There are two structural reasons the honest answer is "unknown":
So the practical question is not "what salary does the CKA pay?" but "which pay bands does each certification open?"
The CKA is the standard credential for DevOps and platform engineering roles — the exact populations behind the $123k–$145k US averages above. Its salary story is about access: performance-based and hands-on, it is one of the few certifications hiring managers treat as evidence of operational skill rather than reading, which is precisely what matters when negotiating within a wide band like Glassdoor's $117k–$182k.
The CKAD serves developers who build and deploy on Kubernetes. There is no verified CKAD-specific salary figure, and developer pay scales are their own market; the certification's financial logic is differentiation — a backend developer fluent in the platform their code runs on competes for cloud-native roles that plain application-developer profiles do not reach.
The CKS sits furthest up the ladder: it requires a current CKA and certifies hands-on security specialisation. Security-focused platform and DevSecOps roles are senior almost by definition, which positions CKS holders towards the upper reaches of the role bands — the "senior" and "specialist" end of ranges like Glassdoor's, where total pay approaches the $182k mark. Whether that step is worth taking, and when, is a career-fit question more than a pay question — the CKA vs CKS comparison works through it.
The associate-level certs are learning milestones for people entering the field. Expect them to help you land a first cloud-native role rather than to move an existing salary.
The costs are concrete even where the payoff is a range. As of 2026, the Linux Foundation lists CKA, CKAD and CKS at $445 each (exam only), or $1,245 for the three-exam bundle; the associate exams are $250. Every professional-tier purchase includes a 12-month eligibility window, one free retake and two sessions of the killer.sh exam simulator — which meaningfully lowers the cost of a failed first attempt compared with providers that include no retake. Prices vary with region and tax, and the Linux Foundation runs frequent sales, so confirm current figures on the official certification pages before budgeting.
Set $445 against the salary bands: if a CKA contributes to landing a role even modestly higher in a six-figure band — or simply gets you into that band a few months sooner — the exam fee is recovered many times over in the first year. The larger real costs are study time and the two-year renewal cycle (a full retake; there is no continuing-education route), so the sharper ROI question is whether your target role genuinely sits in these bands. If it does, preparation is the risk to manage, not the fee: benchmarking yourself with timed, domain-scored practice — ExamPractice offers CNCF exam practice questions with a full simulation mode for subscribers — protects the investment by making the retake unnecessary.
A short checklist for evaluating any Kubernetes pay figure you encounter, here or elsewhere:
How much do Kubernetes-certified engineers earn in the UK or Europe?
No verified regional figures were available for this guide. Use the same trackers — Glassdoor, Indeed — filtered to your country for current local data, and expect meaningful differences from the US averages quoted here.
Does the CKS pay more than the CKA?
No source cleanly separates the two populations. The CKS targets more senior, security-specialised roles, which generally sit higher in pay bands — but that is a statement about roles, not a measured certification premium.
Will a Kubernetes certification get me a raise in my current job?
Sometimes, but the more reliable mechanism is mobility: certifications change which roles you can credibly apply for. If a raise is the goal, agree with your manager beforehand what the credential will unlock.
Is the salary payoff different for SREs versus DevOps engineers?
The verified figures here cover the DevOps engineer title. SRE and platform engineer pay is tracked separately by the same sources and often differs; check the role you actually hold or want.
Strip away the unverifiable premiums and a clear picture remains: Kubernetes skills sit at the centre of role families whose US averages run from roughly $123,000 to $145,000, with experienced practitioners reaching well beyond that, and the certifications — CKA above all — are among the most credible tickets into those families because they are examined hands-on. Pay varies by location, experience, industry and role, so treat every figure here as a US-market reference point rather than a personal forecast. Spend your $445 where it changes which interviews you get, sequence the exams to match the role you want next, and let the role band — not the badge — do the earning.
Exam facts in this guide were checked against official certification-provider pages on . Fees, exam codes and policies change — confirm on the provider’s own site before you book.
Put it into practice
Reading about an exam only takes you so far. Work through practice questions for your certification and find the gaps before exam day does.
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What the RHCSA is, how the hands-on EX200 exam works, what it costs, how scoring and renewal work, and where it fits in Red Hat's 2026 certification tracks.
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