Fluency 21had a great post that I will definitely consider as I near my career as a teacher. The post gave details into the most essential skills for the modern teacher. Below I have listed the skills. The 10 Skills the Modern Teacher Must Have:
1) Build your personal learning network 
2) Establish real relationships
3) Understand where technology fits in education
4) Know how to find useful resources
5) Manage your online reputation
6) Know how to correctly blog
7) Slow down
8) Make social media work for you
9) Don’t be afraid of failing
10) Know when to disconnect