Becoming a multiplier
As engineer, technical skill may be your bottleneck and first priority to improve. However, as you grow, the bottleneck shifts and other factors like time and/or focus become the bottleneck. At this phase, becoming multiplier and influence team members are required for keep scaling up your organization.
Recent popularity on DevOps created the culture that most of us can be multipliers. It provides a motive to collaborate with other team members more effectively. It provides network effect to gain improvements, that leads to multiplication of impacts.