Dear Ms. Demi,
It is my past experience as a research assistant with Mayfare Company for the past 8 years that I am confidently applying for the position of research assistance vacancy announced by your company.
While working as a research assistant in this company I have been instrumental in providing vital inputs to my research in conducting research activities of varied nature.
It will be great career jump for me to join your valuable company as you are one of the largest company in the market today in research arena. It has been my foray be part of a large organization like yours and given an opportunity I can certainly prove myself.
I would be glad if you could give me an opportunity to come over for a discussion about this job at a time convenient to you.
Looking forward to meeting you soon and getting an opportunity to win this job.