The Morning
The day begins with checking deployment pipelines and monitoring dashboards. Did last night's automated deployments succeed? Are any services showing elevated error rates? DevOps engineers use tools like Grafana, Prometheus, and Datadog to visualise system health. The morning often involves reviewing pull requests for infrastructure changes, merging Terraform code, and troubleshooting any CI/CD pipeline failures.
Core Daily Tasks
- Building and maintaining CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI)
- Writing Infrastructure as Code (Terraform, Ansible, Pulumi)
- Managing containerised applications (Docker, Kubernetes)
- Monitoring and alerting (Prometheus, Grafana, Datadog)
- Automating repetitive operational tasks
- Managing cloud infrastructure (AWS, Azure, GCP)
- Incident response and post-mortem analysis
The Afternoon
Afternoons are split between engineering and collaboration. A DevOps engineer might spend two hours writing a Helm chart to deploy a new microservice to Kubernetes, then join a meeting with developers to discuss how to improve deployment frequency. The cultural aspect of DevOps is as important as the technical: breaking down silos between development and operations, encouraging shared ownership of reliability, and fostering a blame-free approach to incidents.
“We went from deploying once a month with a full weekend outage to deploying 50 times a day with zero downtime. That transformation — from manual, risky releases to fully automated, reliable pipelines — is what DevOps engineering is about.”
— Senior DevOps Engineer, FinTech, Edinburgh
Skills You Need
The Real Challenges
On-call rotations are part of the job — when a production system goes down at 3am, the DevOps engineer gets paged. The breadth of skills required is vast: you need to understand networking, security, programming, cloud architecture, and container orchestration. The pace of tooling changes is also intense — new tools and practices emerge constantly, and DevOps engineers are expected to evaluate and adopt them quickly.
Is This Role for You?
This role suits people who enjoy automation — finding repetitive tasks and writing scripts to eliminate them. A background in software development or systems administration provides the strongest foundation. If you get frustrated doing the same thing manually twice and immediately think 'I should automate this,' DevOps might be your natural home.
Career Progression
Junior DevOps Engineer → DevOps Engineer → Senior DevOps Engineer → Platform Engineer → SRE Lead / Head of Platform Engineering. The role naturally evolves towards Site Reliability Engineering (SRE) and platform engineering.
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