Welcome ,friend
Your question is public and B/M points are headlines only with more details
-You should have link design
-You should have all needed SW , cables ,and remote troubleshooting tools.
-You should have minimum knowledge about MW you have and how to login it.
-You should have to know the concept of "MW loops" as it enable you to determine the fault exactly.
-You should ,if you field engineer, to take all needed HW spare (i.e ODU,IF ,connectors ,....etc)
-Finally you must support by an experienced engineer to help you till you earn your experience