Scrum is indeed a team-based framework used to implement Agile development. The key characteristics of Scrum include its use of cross-functional teams, iterative development cycles called sprints, and regular reflection and adaptation sessions. It is designed to accommodate changes in requirements and encourages close collaboration between the development team and stakeholders to deliver the highest value product increments1.
In the context of SAFe, Scrum is integrated into the framework as one of the primary methods for Agile teams to manage their work. SAFe expands upon the Scrum framework by providing additional roles, events, and artifacts to support the coordination and alignment of multiple teams within an Agile Release Train (ART). This ensures that teams work together effectively towards common objectives, facilitating the delivery of large-scale solutions in an enterprise environment1.
The Release Train Engineer (RTE) plays a crucial role in this process by facilitating ART events and processes, supporting teams in delivering value, and driving relentless improvement. The RTE helps to ensure that the Scrum framework is applied consistently across teams and that the principles of Lean and Agile are upheld within the ART1.