1 Dearest brother, congratulations to you on your new job. I know you have worked very hard to earn
  this new position in your new job. I am happy for you and wish you all the best there.

2 My lovely brother, no one needs to tell me that you are unstoppable. Congratulations on your new job.
  I wish you more wisdom to function in this new role and in your new office. Continue to give your best
  to your work. Best wishes.