The pathway
How you actually get there, here
How you become one varies far more by country than what one does. This is the UK route. Most people take one of these ways in; the right one depends on where you're starting from.
- 1
IT Operations Engineer (Mid-Level)
3-5 yearsSkills to master
- Deep troubleshooting across multiple domains (network, server, application), independent incident resolution, basic automation scripting, strong understanding of ITIL processes.
You're ready to move on when
- Consistently resolves complex incidents without escalation.
- Proactively identifies areas for operational improvement.
- Mentors junior team members informally.
- Takes ownership of system health for specific services.
- 2
Site Reliability Engineer (SRE)
3-5 yearsSkills to master
- SRE principles (SLOs, error budgets), strong coding for automation, experience with CI/CD pipelines, deep understanding of distributed systems and cloud-native architectures.
You're ready to move on when
- Has successfully automated away significant 'toil'.
- Contributes to the design of resilient, scalable systems.
- Drives blameless post-mortems and implements preventative actions.
- Advocates for observability and data-driven operations.
- 3
Infrastructure Engineer
4-6 yearsSkills to master
- Expertise in specific infrastructure domains (e.g., networking, storage, virtualisation), strong Infrastructure as Code skills, experience with system hardening and security best practices.
You're ready to move on when
- Has designed and implemented significant infrastructure components.
- Manages complex IaC repositories and pipelines.
- Is the go-to expert for a particular infrastructure technology.
- Ensures infrastructure components meet security and compliance standards.