Suggestions:
Heavy Equipment Driver (I don't understand "Cont.Est.w.e.f.") Do we need a "from" before the first date?
For the second sentence in the middle paragraph, how about: "The company is indebeted to him for his meritorious services."
In view if his experience, proficiency, and deep knowledge in the field of heavy equipment operation, - - - - - - - to whatever company he joins.
in life seems a little excessive.