11 résumé mistakes that make hiring managers dismiss you immediately

files folder reading paperwork

· Acing your résumé is the first step to moving forward in the hiring process.

· Many recruiters will spend mere seconds on your résumé to decide initial fit.

· Easy mistakes like terrible formatting and incorrect grammar can instantly land you in the 'no' pile.

Recruiters are judgmental sharp shooters who only need about 25 seconds to decide if they like a job candidate or not.

At least that's how Ambra Benjamin, a recruiting manager at Facebook, describes the nature of her job in a LinkedIn post.

She explains that, while she will give outstanding candidates a more thorough read later, candidates who don't pass her initial test won't get a second look.

And Benjamin isn't alone in this tactic — "Recruiters move quickly," she writes.

As Art Markman, a professor of psychology and marketing at the University of Texas at Austin, writes for Fast Company, psychological research has found that, when hiring managers first look over your résumé, they're often in rejection mode — they're just looking for a reason to move on to the next candidate.

What they see on first glance could mean the difference between winding up in the 'maybe' or the 'no' pile.

Apart from the overall lack of relevant job experience, here are some things on your résumé that could earn you an automatic rejection:

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Forgetting to include keywords

While we're not suggesting you cram your résumé full of jargony buzzwords, not including keywords pertinent to the job and industry you're applying for is not just a missed opportunity — it could indicate that you don't have the specific experience for the job your recruiter is looking for.

"There have been times when I command + F the crap out of résumés," Benjamin writes.

"This isn't fool proof, but if I'm looking for an iOS Engineer, for example, and the words 'iOS' or 'Objective-C' don't even make a cameo appearance in someone's résumé, I have to furrow my brow, read a little deeper, and figure out what the heck is going on," she explains.

Too much text

When you use a 0.5-inch margin and eight-point font in an effort to get everything to fit on one page, this is an "epic fail," says J.T. O'Donnell, a career and workplace expert, founder of career-advice site Careerealism.com, and author of "Careerealism: The Smart Approach to a Satisfying Career."

She recommends lots of white space and no more than a 0.8 margin.

Amanda Augustine, a career-advice expert for TopResume, agrees, warning particularly against dense blocks of text.

"Let's be honest: You're looking this over quickly, you're glancing through it. Your eyes glaze over when you get to a big, long paragraph," she says.