Dear hiring manager,
A political science graduate, seeking a challenging, yet rewarding opportunities while developing my professional skills yet further.
Since my brother from school I've been looking for an opportunity to work in an energy company so as to be able to have an input in our energy sector,  I believe your company will give me that enabling hand to achieve this dream of mine as I contributes to the development of your company.
I'll be grateful if this application of mine is all on and acted upon.
         Yours sincerely
Olisamah Augustine Ijomah