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
From Senior Cloud Network Engineer (L3)
2-4 years at L3Skills to master
- Transitioning from designing solutions for specific applications to architecting core infrastructure. Leading incident response, mentoring junior engineers, and proactively identifying cost optimisation opportunities.
You're ready to move on when
- You've consistently delivered complex network projects on time and to a high standard.
- You're the person others on the team naturally go to for technical advice and problem-solving.
- You've started taking ownership of larger workstreams and demonstrating architectural thinking beyond individual projects.
- You've actively mentored junior engineers and seen them grow under your guidance.
- 2
From Traditional Network Engineer (with Cloud Specialisation)
5-8 years in traditional roles + 3-5 years cloud focusSkills to master
- Deepening your cloud-native networking expertise, shifting from hardware-centric to software-defined and IaC approaches. Mastering hybrid connectivity and multi-cloud strategies.
You're ready to move on when
- You've successfully migrated significant on-premises network infrastructure to the cloud.
- You've become proficient in IaC tools like Terraform for cloud network management.
- You've gained advanced certifications in cloud networking from at least two major providers.
- You can articulate the differences and advantages of cloud networking paradigms versus traditional approaches.
- 3
From Senior Site Reliability Engineer (SRE) with Network Focus
3-5 years as Senior SRESkills to master
- Developing deep architectural design skills for core network infrastructure, focusing on BGP, advanced routing, and multi-cloud connectivity. Shifting from reliability of services to reliability of the underlying network fabric.
You're ready to move on when
- You've consistently owned and improved the reliability of services with significant network dependencies.
- You've developed strong automation skills for infrastructure provisioning and monitoring.
- You've demonstrated a keen interest and deep understanding of network performance and troubleshooting.
- You're comfortable leading incident response for complex, cross-functional outages.