DevOps Engineer career guide

What a DevOps Engineer does

A DevOps Engineer helps software teams build, test, release, and operate software reliably. The role brings together software development and IT operations, with a focus on automation and collaboration.

Typical responsibilities include:

• Automating software builds, tests, and deployments.
• Managing cloud infrastructure, servers, and networks.
• Monitoring systems and responding to incidents.
• Improving security, reliability, and performance.
• Helping developers use tools and infrastructure effectively.
• Documenting systems and improving operational processes.

The exact mix varies by employer. Some roles focus more on infrastructure and cloud platforms; others focus on deployment pipelines, reliability, or developer tools.

A typical day

A day may include:

• Checking monitoring alerts and investigating issues.
• Reviewing changes to infrastructure or deployment configurations.
• Improving an automated build-and-release pipeline.
• Helping a development team prepare or troubleshoot a release.
• Updating infrastructure using code rather than manual steps.
• Taking part in planning meetings, incident reviews, or on-call work.
• Writing documentation and making routine tasks easier to repeat.

On-call responsibilities and the amount of hands-on coding vary between roles.

Skills you need

Useful technical skills include:

• Linux and operating systems: Basic administration, processes, permissions, and troubleshooting.
• Networking: Understanding DNS, HTTP, firewalls, routing, and common connectivity problems.
• Scripting or programming: Automating tasks with a language such as Python, Bash, or PowerShell.
• Cloud and infrastructure: Working with cloud services, virtual machines, containers, and infrastructure-as-code tools.
• CI/CD: Building automated processes for testing and deploying software.
• Containers and orchestration: Understanding container tools and, in some roles, container orchestration platforms.
• Monitoring and logging: Finding useful signals in metrics, logs, and alerts.
• Security: Applying access controls, managing secrets, and keeping systems and dependencies updated.

Communication is just as important. DevOps Engineers need to explain technical issues clearly, work across teams, and stay calm when systems fail. Curiosity and a habit of learning are valuable because tools and practices change.

How to become one

There is no single required route. A combination of practical experience, foundational knowledge, and demonstrable projects can help.

Education

• A degree in computer science, IT, engineering, or a related subject can provide a useful foundation, but it is not always required.
• Relevant coursework can include operating systems, networking, programming, databases, and security.
• Self-study, bootcamps, and hands-on projects can also help build job-ready skills.

Certifications

Certifications can structure your learning and show familiarity with particular tools or platforms. Options include:

• Cloud platform certifications.
• Linux or system administration certifications.
• Container and orchestration certifications.
• Certifications in security, networking, or infrastructure automation.

Choose credentials that match the roles you are targeting. A certification is most useful when paired with practical experience.

Entry routes

• Start in a related role such as IT support, systems administration, cloud support, software development, or quality assurance.
• Take on automation, deployment, or infrastructure tasks in your current role.
• Build small projects that demonstrate scripting, version control, automated testing, deployment, and monitoring.
• Keep your project documentation clear, and explain what you built and how you handled failures.
• Apply for junior DevOps, platform engineering, cloud operations, or site reliability roles when your experience matches the core requirements.

Career path

A typical progression might look like this:

• Entry-level: Support or operations work, basic automation, and learning how systems are deployed and monitored.
• DevOps Engineer: Building and maintaining deployment pipelines, infrastructure, and operational tools.
• Senior DevOps Engineer: Leading larger technical improvements, handling complex reliability problems, and mentoring others.
• Specialist or leadership roles: Moving into areas such as cloud infrastructure, platform engineering, site reliability, security, architecture, or engineering management.

Progression depends on the organisation and your interests. Some people deepen their technical expertise; others move toward team leadership or architecture.

Is it right for you?

DevOps may suit you if you enjoy:

• Solving practical problems across software and infrastructure.
• Automating repetitive work.
• Understanding how systems behave in real conditions.
• Collaborating with people in different technical roles.
• Learning new tools and improving existing processes.

Consider whether you are comfortable with troubleshooting under pressure and, in some roles, on-call work. If you prefer predictable tasks with little collaboration or operational responsibility, another technical path may be a better fit.

Current pay is in the salary guide.