If you are not a developer already, I highly recommend learning how to code in a mature scripting language like Ruby or Python. Most sysadmins who have Linux heritage can code mean awk/bash/shell scripts but are scared of objects and stuff like hashes.
Start learning about real-time data and stream-based logging. LinkedIn and Netflix are pushing the bar higher with their Apache incubated to independent project open source contributions. As businesses try to gain more competitive/operational advantages/efficiencies, real-time data is becoming more important. Why ask what the customer did last week if they can see what the customers are doing right now.
The "grand-daddy" article: "The Log: Real-time data's unifying abstraction"
Kafka's author wrote a very well motivated and interesting introduction to Kafka-based architectures a few months ago on LinkedIn's blog:
http://engineering.linkedin.com/distributed-systems/log-what...
Previous HN discussion: https://news.ycombinator.com/item?id=6916557