Career Guides9 min read2026-07-26TechCerted Editorial

What Does an MLOps Engineer Actually Do (and Do You Need to Be a Data Scientist First)?

The role keeping AI systems alive in production -- plus the honest answer on backgrounds, the $161K median pay, and what to study if you are coming from DevOps or software engineering.

The most common misconception we hear about MLOps is that you need to be a data scientist first. You do not. The US average salary for an MLOps engineer is $130,599 (Salary.com 2026) to $161,411 on average (Glassdoor 2026), and the most common path into the role comes from software engineering or DevOps infrastructure -- not from spending years training models. This article explains what the job actually involves, who is getting hired in 2026, and what skills you need to add based on where you are starting from.

Plain EnglishWhat is MLOps?

MLOps stands for Machine Learning Operations. It is the practice of deploying, monitoring, and maintaining machine learning models in production systems -- combining ML with the operational rigor of DevOps. Think of it as the difference between a data scientist who trains a model in a Jupyter notebook and the engineer who makes sure that same model is serving accurate predictions at scale, 24 hours a day, without breaking.

What an MLOps engineer actually does all day

MLOps engineers build and maintain the pipelines that take a trained model from a data scientist's hands and put it into production, then keep it running reliably. They do not build the model. They build the system around it.

On a typical day, an MLOps engineer might spend the morning triaging a model serving error -- a feature pipeline broke upstream and the predictions drifted outside acceptable bounds. The afternoon involves reviewing a pull request adding a new SageMaker training job to the CI/CD pipeline, then writing a runbook for the on-call rotation when a model monitoring alert fires. The tools are Kubernetes, Docker, MLflow, Airflow or Prefect, a cloud provider (AWS, GCP, or Azure), and a model registry. Python connects the pieces.

There is no exploratory data analysis. There is no feature selection from scratch. There is no writing a custom neural architecture. Those happen upstream, in a data scientist's notebook. What an MLOps engineer owns is the bridge between 'model works locally' and 'model works at scale with versioning, rollback, and monitoring.' It is infrastructure for AI systems -- important, well-compensated infrastructure. For a realistic look at the hours and workload, our <a href="/learn/day-in-the-life-junior-mlops-engineer-startup-2026">day in the life of a junior MLOps engineer</a> article follows one role through an actual shift.

$161,411
Average US base salary for MLOps engineer
Glassdoor 2026 (n=67 self-reported)
$209,037
Average senior MLOps engineer base salary (US)
Glassdoor 2026
3,700+
Active 'MLOps engineer' job listings in the US
Glassdoor July 2026

How MLOps differs from data science and software engineering

MLOps sits at the intersection of three roles but is not any of them. A data scientist builds the model. A software engineer builds the application. An MLOps engineer builds the infrastructure that connects them and keeps everything running in production. These are meaningfully different jobs that happen to share Python as a common tool.

FeatureData ScientistMLOps Engineer
Primary outputA trained model with documented accuracy metricsA deployed, monitored, versioned model serving predictions reliably
Core toolsPython, Pandas, scikit-learn, PyTorch, Jupyter notebooksKubernetes, Docker, MLflow, Airflow, SageMaker, Terraform
Who they supportStakeholders who need predictions and business insightsData scientists and ML engineers who need their models deployed
Typical entry backgroundStatistics, ML theory, academic or analytics backgroundSoftware engineering, DevOps, or data engineering background
On-call responsibilityRarely, for model quality reviewsYes -- production systems break outside business hours
Plain EnglishWhat is model drift?

Model drift is what happens when a deployed ML model's predictions become less accurate over time because the real-world data it receives has shifted away from the data it was trained on. An MLOps engineer sets up automated monitoring to detect drift early and trigger a model retraining or rollback before users notice degraded quality. Catching drift before a product team files a bug report is a core part of the MLOps job.

The overlap between MLOps and <a href="/learn/is-mlops-right-for-you-devops-background-2026">DevOps engineering</a> is substantial: CI/CD pipelines, containerization, infrastructure-as-code, and observability all transfer directly. The overlap with data science is narrower -- you need to understand what a model is and how it can fail in production, but you do not need to know how to build one from scratch. That distinction matters a lot when planning your career path.

Do you need to be a data scientist first? The honest answer.

No. Job descriptions for MLOps engineer roles consistently list DevOps, SRE, or software engineering as explicit alternative backgrounds -- not data science as a prerequisite. The core skill cluster that appears across virtually all MLOps job postings is: Python, Docker, Kubernetes, CI/CD pipelines, a major cloud platform, and experience with at least one MLOps tool such as MLflow, Kubeflow, or SageMaker. Statistical modeling experience is not on that list.

The evidence is clear. A March 2026 transition guide from Interview Kickstart, reported by GlobeNewswire, described the DevOps-to-MLOps move as one of the strongest career pivots available in 2026, noting that CI/CD pipelines, containerization, and infrastructure-as-code skills all transfer directly, and that deep mathematics is not a standard job requirement (GlobeNewswire 2026). The skills gap for a DevOps engineer entering MLOps is real but narrow: familiarity with model monitoring tools, ML pipeline orchestration platforms, and enough ML literacy to understand how models fail when data shifts.

The honest nuance: some employers -- particularly those doing cutting-edge AI research -- prefer candidates who understand model architecture at a deeper level. But the majority of MLOps roles are at product companies, financial services firms, and mid-size tech companies where the ML is applied, not invented. At those organizations, the infrastructure skills matter more than statistical theory. A solid DevOps or SWE background with intentional ML upskilling is genuinely competitive in that market. For a full career path breakdown, see the <a href="/careers/mlops-engineer">MLOps engineer career guide</a>.

Pros
  • DevOps and SWE candidates: CI/CD, Kubernetes, and cloud infrastructure transfer directly -- you are closing a skills gap, not restarting your career
  • Most MLOps job descriptions explicitly list DevOps as an accepted alternative to data science
  • ML system literacy (model drift, monitoring, pipeline orchestration) can be built in 3-6 months of focused part-time study
  • The DevOps mental model -- reliability, observability, incident response -- is exactly what MLOps production systems require
Cons
  • You will need ML fundamentals before the MLOps tooling makes sense -- plan 6-8 weeks on core ML concepts before touching MLflow or Kubeflow
  • A minority of senior roles at research-heavy employers do favor data science backgrounds; those are a smaller portion of the market but they exist
  • Without any ML exposure, debugging model quality issues (as opposed to infrastructure failures) will require catching up on the job
For a DevOps engineer entering MLOps, deep mathematics is not required. The CI/CD, containerization, and infrastructure-as-code skills you already have are the foundation of what the role demands. The gap to bridge is understanding how ML models behave in production -- not rebuilding your technical foundation from scratch.
Interview Kickstart · DevOps Engineer to MLOps Engineer Career Transition Guide 2026 (via GlobeNewswire, March 2026)
Verdict: Take the SWE or DevOps path into MLOps if you do not have a data science background -- it is not a workaround, it is the majority path.

The data is consistent: employers list DevOps and software engineering as accepted entry paths, not as consolation prizes. The skills to add -- ML system concepts, model monitoring, one or two MLOps platforms -- are narrower than what a data scientist needs to add to become strong in production infrastructure. If you are already in software or DevOps and want to move toward AI and ML without a full pivot to data science, MLOps is the most direct route at $130,599 to $161,411. The one group that should pause: engineers who actively dislike operational work -- on-call rotations, production incidents, infrastructure debugging. The pay is real, but so is the pager. If you would rather build features than keep pipelines alive, the ML engineer track with a focus on model development is a better fit.

The three entry paths that actually work in 2026

MLOps hiring divides roughly into three candidate pools, each with a different starting point and a different skills gap to close. Here is how each path looks and what you realistically need to add from each starting position.

  1. Path 1: Software Engineer to MLOps
    You already have: Python, CI/CD, version control, APIs, backend systems. Add: ML fundamentals (what a model is, how it is trained, how it fails in production), hands-on with MLflow or Kubeflow, familiarity with SageMaker or Vertex AI, and model monitoring concepts such as drift detection. Timeline: 3-6 months part-time study.
    Most common entry path
  2. Path 2: DevOps or SRE to MLOps
    You already have: Kubernetes, Docker, CI/CD, cloud infrastructure, observability and alerting. Add: Python if your background is primarily YAML and Bash, ML system concepts (feature pipelines, model registries, drift detection), and hands-on with at least one ML workflow orchestration tool. Timeline: 3-6 months part-time study.
    Fastest path to production-ready
  3. Path 3: Data Scientist to MLOps
    You already have: ML fundamentals, Python, experimentation workflow, model evaluation. Add: containerization (Docker, Kubernetes), CI/CD pipeline design, infrastructure-as-code (Terraform), and the production engineering mindset -- SLOs, incident response, and on-call discipline. Timeline: 6-9 months of infrastructure upskill.
    Best fit for research-heavy employers

Glassdoor showed roughly 3,700 active 'MLOps engineer' postings in the US in July 2026, with the broader 'MLOps' keyword returning over 9,800 listings (Glassdoor 2026). That volume absorbs candidates from all three paths. But most listings skew toward the infrastructure-first profile -- Python, cloud, Kubernetes -- rather than statistical modeling depth. The job market is larger than the 'you need a PhD to do AI' narrative suggests.

The certification question: what replaced MLS-C01 in 2026

The AWS Certified Machine Learning Specialty (MLS-C01) was retired March 31, 2026 (AWS 2026). If you purchased a study guide or course that still references it, set the material aside -- the exam no longer exists. The replacement is the AWS Certified Machine Learning Engineer -- Associate (MLA-C01), which launched in October 2024 and is now the primary AWS credential for ML production engineers. Cost: $150. Format: 65 questions (50 scored, 15 unscored), multiple-choice and multiple-response. Passing score: 720 out of 1,000 (AWS docs 2026). Practice tests and exam vouchers are available at <a href="https://www.mindhub.com/">mindhub.com</a>.

The MLA-C01 is more MLOps-appropriate than its predecessor. The old MLS-C01 weighted classical ML theory heavily -- algorithm selection, statistics, exploratory data analysis -- making it genuinely difficult for DevOps engineers without an ML background. Community estimates placed its pass rate at 38-50%. The MLA-C01 shifts emphasis toward Amazon Bedrock, SageMaker JumpStart, and the production-first ML patterns that MLOps engineers actually work with day-to-day (AWS docs 2026). For a DevOps or SWE candidate, this makes the credential meaningfully more accessible. See the full study plan at <a href="/certifications/aws-ml-specialty">our AWS Machine Learning Engineer Associate cert page</a>.

For building the ML fundamentals alongside the operational skills, the Machine Learning Engineering for Production (MLOps) Specialization on <a href="https://www.coursera.org/search?query=mlops+specialization">Coursera</a> (by deeplearning.ai) covers CI/CD for ML, model monitoring, and deployment pipelines in sequence. If you prefer a one-time purchase, <a href="https://www.udemy.com/courses/search/?q=mlops+engineer">Udemy</a> has several MLOps-focused courses covering the same ground. The <a href="/certifications/google-ml-engineer">Google Professional Machine Learning Engineer cert</a> is worth considering if your target cloud platform is GCP rather than AWS.

Who should not try to become an MLOps engineer

The salary range from $130,599 (Salary.com 2026) entry-level to $209,037 for senior roles (Glassdoor 2026) is genuinely attractive. But MLOps has a specific personality fit that the job title does not always make obvious. If any of the following describe you honestly, a different ML-adjacent role will likely be a better long-term match.

  • You dislike operational responsibility. MLOps engineers own production systems, which means on-call rotations and incidents that do not stop for the weekend. If you want to go deep on ML research and let someone else keep the systems alive, the ML engineer or data scientist track is a better fit.
  • You want to build models, not pipelines. If the most engaging part of ML work is experimenting with architectures and improving accuracy, you will find the infrastructure and deployment focus of MLOps less satisfying over time. That is not a weakness -- it is a signal about fit.
  • You are not interested in cloud infrastructure. A significant part of MLOps work involves IAM policies, VPCs, cost management, and autoscaling inside AWS, GCP, or Azure. If infrastructure operations sound tedious rather than interesting, look at data engineering or ML engineering instead.
  • Python is not part of your current toolkit. Python is the connective tissue in MLOps -- it glues model artifacts, orchestration tools, monitoring scripts, and feature pipelines together. If you have avoided it, budget 4-6 weeks getting comfortable before anything else.

If operational infrastructure genuinely appeals to you but you are uncertain whether the ML layer adds complexity you want, our comparison of <a href="/learn/what-does-an-mlops-engineer-do-2026">what an MLOps engineer does vs. a standard DevOps role</a> breaks down exactly where the jobs diverge.

What is the difference between an MLOps engineer and a data scientist?+

A data scientist builds and trains ML models. An MLOps engineer deploys those models, builds the pipelines that serve them at scale, and keeps them accurate over time. Data scientists work primarily with data and models; MLOps engineers work primarily with infrastructure and systems. The roles collaborate closely but require different core skills.

Do I need a data science degree to become an MLOps engineer?+

No. Most MLOps job descriptions list DevOps, SRE, or software engineering as accepted backgrounds. A formal data science degree is not a standard listed requirement. What matters more is practical experience with containerization, CI/CD, cloud infrastructure, and Python, plus enough ML literacy to understand how models fail in production.

What does an MLOps engineer earn in the US?+

The average US base salary is $130,599 (Salary.com 2026) to $161,411 (Glassdoor 2026). Senior roles average $209,037 (Glassdoor 2026). These figures use different methodologies -- Salary.com models from job postings while Glassdoor is self-reported -- which explains the range. BLS does not track MLOps as a separate occupation; the closest proxy is Software Developers at a $132,270 median (BLS OOH 2025).

Is the AWS Machine Learning Specialty (MLS-C01) still valid?+

No. The MLS-C01 was retired March 31, 2026 and can no longer be taken. The current AWS ML credential is the Machine Learning Engineer -- Associate (MLA-C01), which costs $150 and is available through mindhub.com for vouchers and practice tests. If you have old MLS-C01 study materials, the conceptual overlap is roughly 60 percent but the exam format and emphasis have shifted significantly.

How long does it take to move into MLOps from a DevOps background?+

Typically 3-6 months of focused part-time study, assuming you already have Kubernetes, Docker, and CI/CD in your toolkit. The gap to close is ML system literacy: what a model is, how drift works, and hands-on experience with at least one MLOps platform such as MLflow or Kubeflow. Most DevOps engineers are job-ready in that timeframe without returning to school.

What are the main tools an MLOps engineer uses?+

Core tools include Python for scripting and orchestration, Docker and Kubernetes for containerization and deployment, MLflow or Kubeflow for experiment tracking and model registry, Airflow or Prefect for pipeline orchestration, a major cloud platform (AWS SageMaker, GCP Vertex AI, or Azure ML), and a monitoring tool such as Evidently or WhyLogs for drift detection.

Is MLOps a good career if I am coming from finance or accounting?+

It is a harder pivot than from SWE or DevOps because you need to build both the engineering foundation and the ML literacy from scratch. A more direct path from finance is data analytics or data engineering first, then MLOps after 2-3 years of engineering experience. Trying to jump directly from finance to MLOps typically takes 18-24 months of intensive study.

Sources

  1. Glassdoor MLOps Engineer Salary (2026)
  2. Salary.com MLOps Engineer Salary (April 2026)
  3. AWS MLA-C01 Exam Guide (2026)
  4. BLS Occupational Outlook Handbook: Software Developers (2024-25)
  5. GlobeNewswire: DevOps Engineer to MLOps Engineer Career Transition Guide 2026
  6. AWS MLA-C01 update announcement (2026)