Given the scope and the description it's highly unlikely to be caused (or investigated by) juniors. It definitely sounds like the service-discovery/configuratio

Given the scope and the description it's highly unlikely to be caused (or investigated by) juniors. It definitely sounds like the service-discovery/configuration store (which is Consul from what I understand) or their orchestration layer (Nomad) shat itself. So most likely their most senior SREs/infrastructure folk were the ones sweating bullets.