JAG

Engineer, Cloud Platform

About the role

Cambridge, UK - This position offers flexible working options, including predominantly remote work. Applicants should be based (or willing to relocate) within a comfortable commuting distance of the office to attend onsite as required.

Position: Senior Cloud Platform Engineer
Team: Cloud Platform team
Context: Maintain and evolve the hybrid infrastructure underpinning RuneScape, Old School RuneScape, and DragonWilds. The organization is undergoing a significant transformation, moving more infrastructure into the cloud. The role requires leading in the AWS space, driving the migration programme forward, and mentoring the team.
Nature of Work: Hands-on, production-critical work across data centres, Linux, networking, cloud, and related areas. Working alongside the Principal Cloud Tech Engineer, contributing to architectural decisions, and taking real ownership of projects.

Lead and actively contribute to the cloud migration programme - including lift-and-shift into AWS - making architectural decisions and driving the project forward with the team.
Work with the Principal Cloud Tech Engineer and Cloud Platform team to design and implement infrastructure to in-house standards and industry best practices.
Apply Infrastructure as Code (IaC) principles across legacy internal systems and new cloud deployments, reducing technical debt and improving platform reliability over time.
Provide critical support for operational systems - game servers, web servers, and backend infrastructure – ensuring stability across live production environments.
Mentor junior and mid-level engineers, sharing knowledge and helping the team grow their cloud capability.
Participate in an on-call rota (currently 1 week in 5, Monday to Monday) to support production systems when issues arise.

Mandatory Qualifications & Experience:
- Strong, demonstrable experience with Linux and AWS - including IAM, EKS, ECS, CloudWAN, and Direct Connect/SiteLink - and the confidence to lead projects in the AWS space.
- Proven experience applying IaC principles, with deployed projects to show for it.
- Solid understanding of networking and familiarity with technologies such as VyOS, Palo Alto, and Arista.
- Experience with CI/CD pipelines and a DevOps mindset - understanding how to build and maintain reliable delivery infrastructure.
- Experience with on-premise environments and how they interconnect with cloud infrastructure in a hybrid setup.
Preferred Qualifications & Bonus Skills:
- Familiarity with configuration management tooling (preferably Puppet) is a plus.
- Kubernetes experience is a strong advantage.
- Experience in gaming, VFX, or other creative technical environments is a strong advantage.
- Genuine curiosity and openness to learning across a wide and evolving remit.

Jagex: The RuneScape Company, home to flagship MMORPG franchise RuneScape, which has welcomed over 300 million player accounts across PC and mobile for 25 years.
Accelerating strategy to expand RuneScape into a broader ecosystem of forever games and connected experiences, grounded in integrity and fair play, including reduced monetisation mechanics and the launch of RuneScape: DragonWilds into Steam Early Access in 2025.
Headquartered in Cambridge, United Kingdom, bringing together creators, storytellers, engineers, and dreamers to shape the future of online worlds.
Company Values:
- We Embrace Fellowship: Collaborating and sharing openly.
- We Hone our Craft: Always learning and improving.
- We Honour our Vows: Being honest and transparent.
- We are our Customers’ Heroes: Striving to understand team and player needs.
- We Seize The Day: Making the most of every opportunity.

Committed to providing equal opportunities and creating an environment where everyone can thrive.
Welcomes applications from all backgrounds, recruiting, developing, and promoting based on merit and ability.
Reasonable adjustments are available to support candidates during the recruitment process upon request.

JAG

Games & Interactive