linkedin, resume, cover letter, banner, and everything to get a fresh mechanical engineer started for a job hunt

I am an entry-level mechanical engineer who is looking to find work in the field, and I need some help to get me started. I am looking for assistance to create the essential documents that will help me launch my job hunt. Specifically, this includes a LinkedIn profile, resume, and cover letter. I am unsure of what format or style to use for these documents, so I am open to suggestions and advice from a professional. If you have experience crafting these vital documents for entry-level engineers in the mechanical field, I would appreciate your help in getting started with my search. Thank you!