Typos, bad file names, and sloppy LinkedIn profiles are the job search killers no one talks about

“The devil is in the details” is a timeless idiom that reminds us how small elements can have a big impact. When it comes to job searching, attention to detail can mean the difference between landing an interview and being overlooked.

Candidates who meticulously prepare their résumés, LinkedIn profiles, application materials and interview presence will always have an edge over those who don’t. Typos, an unprofessional voicemail or not turning on your camera for a Zoom interview can derail your chances regardless of your qualifications.

In a competitive market where many candidates are just as qualified—or more so—small missteps can cost you opportunities. Here are some often-overlooked details that can make or break your job search:

Name your résumé file professionally

Use a clear, consistent naming format such as:
FirstName_LastName_Resume_2025

This helps recruiters quickly identify your document and improves searchability in databases that may contain hundreds of thousands of résumés.

Save your résumé as a PDF

A PDF preserves your formatting across devices and platforms. This ensures your layout and spacing appear exactly as intended, avoiding mishaps with fonts, bullet points or margins.

Include your LinkedIn profile

Alongside your phone number and email, add a clickable link to your LinkedIn profile. The easier you make it for hiring managers to learn about you, the more likely they’ll consider your application.

Proofread—then proofread again

Spelling and grammar errors can instantly damage your credibility. Carefully check your résumé, cover letter and LinkedIn profile. These documents form your first impression.

Adjust your social media privacy settings

Hiring managers and future colleagues will Google you. Unless it’s LinkedIn, lock down your privacy settings on Facebook, X/Twitter, Instagram, TikTok and other platforms. Don’t let a careless post sabotage your candidacy.

Dress like you mean business

You never know who you’ll run into. We judge books by their covers, and always have. First impressions matter.

I’ve missed out on opportunities because I didn’t look the part. Once, I was in a coffee shop, dressed casually, when a friend introduced me to the COO of a national company. Though friendly, the introduction didn’t lead anywhere. I believe my appearance undermined my credibility. Dressing well boosts both confidence and respect.

Carry a pen, notebook and copies of your résumé

Be prepared—you never know when a chance meeting will require you to share contact info or take notes. A few years ago, I chatted with someone during a theatre intermission who was looking for a job. He returned with a printed résumé, which I passed to a hiring contact. He got the job.

Ask smart questions in interviews

“Judge a man by his questions rather than by his answers,” said Voltaire. In interviews, your questions reflect your professionalism and curiosity.

Avoid asking self-centred questions like, “How many sick days do you offer?” Instead, focus on responsibilities, challenges and the team’s goals.

And never ask for exceptions. Questions like, “Can I work from home Thursdays and Fridays?” often eliminate you from consideration.

Final thought

In today’s competitive job market, your résumé formatting, interview questions and even your wardrobe choices matter more than ever. Attention to detail shows you’re serious, prepared and professional.

Small things aren’t small—they’re what set you apart.

Nick Kossovan, a well-seasoned veteran of the corporate landscape, offers advice on searching for a job.


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