2. Both phrases are correct, but the meaning is subtly different. "I have been awarded..." implies that the awards were fairly recent and/or you hope to receive further awards in future. "I have been awarded a science prize five times so far in my career. If I work hard I may receive another next year."
Has been awarded tense?
Present perfect is used when the speech has been present tense, but you are saying something about the past. ie. Michael Phelps is an amazing swimmer. He has been awarded many gold medals throughout his career.
Has been awarded in sentence?
Sentence examples for she has been awarded from inspiring English sources. She has been awarded five honorary doctorates and was honoured as the 2013 Opus Prize winner. This is the first time that she has been awarded the prize. She has been awarded the Sakharov prize for freedom of thought by the European parliament.