Resume Mistakes That Could Cost You the Job (and How to Fix Them)

We get it. Writing a resume isn’t always easy. At Matrix HR, we’ve reviewed thousands of them, and even the most experienced candidates sometimes make small mistakes that end up costing them great opportunities.

If you’re applying for jobs and not hearing back, your resume might be part of the problem. Here are some of the most common resume mistakes we see, along with simple ways to fix them and give yourself a better chance at landing the job.

Typos and Grammar Slip-Ups

This one seems basic, but it happens more often than you'd think. A simple typo or grammar error can suggest to an employer that you’re not detail-oriented, which is a big deal in many roles.

Take the time to proofread carefully. Ask someone you trust to review it, or use a tool like Grammarly. Coming back to it with fresh eyes after a break can also help you catch mistakes you might have missed.

No Context Around Your Experience

Saying you were a “Project Manager” at a company doesn’t tell the reader much. What kind of projects did you manage? What size of team or budget? What industry?

Fix it: Add a line that sets the scene. For example, “Oversaw civil infrastructure projects valued at up to 5 million dollars, managing teams of more than 15 tradespeople across multiple sites.”

Resume is Too Short or Too Long

If your resume is just a few lines, it may seem like you’re lacking experience. On the other hand, if it’s five pages long, it can overwhelm the reader and bury your best points.

Aim for one or two pages, depending on how long you’ve been in the workforce. Focus on your most recent roles and achievements. If something doesn’t support your current goals, it’s okay to leave it out.

Missing the Right Keywords

Many companies use applicant tracking systems to scan resumes before a person even sees them. If your resume doesn’t include the right keywords, it might get filtered out.

Use the job posting to guide your wording. If the listing mentions “safety compliance” or “inventory control,” and you have experience in those areas, include those exact terms in your resume.

Unprofessional Email Addresses

An email like partyguy21@gmail.com might have been funny once, but it doesn’t create a good impression when applying for a job.

Create a professional-looking email using your name, such as jane.doe@gmail.com. It’s a small change, but it goes a long way in showing that you’re serious.

Vague Job Descriptions

Writing that you “managed a team” is too general. Employers want to understand what kind of impact you made.

Add specific details and numbers if you can. Something like “Led a team of 10 technicians and reduced downtime by 30 percent in one year” is much more compelling.

Including Outdated or Irrelevant Experience

It’s tempting to include everything you’ve ever done, but not all experience is relevant. Jobs from 15 years ago or skills that are no longer in use can make your resume look outdated.

Stick to the most recent 10 to 15 years of experience, and highlight the roles and skills that relate to the job you're applying for today.

Overstyling with Graphics or Columns

Modern, creative resume templates can look great, but they may not perform well with applicant tracking systems. Graphics, tables, and columns can confuse the software, causing key information to be missed.

Fix it: Keep your layout clean and simple. Use clear headings and bullet points. A well-organized resume is easier for both systems and humans to review.

Bonus Tip: Save It Right

Once your resume is polished, save it with a clear, professional file name. A file called “ResumeFinalNew2.pdf” can easily get lost or confused.

Fix it: Use your name in the file name, such as “Jane_Doe_Resume.pdf.” It’s a small touch that shows attention to detail.

Your resume is your first chance to show an employer who you are and what you bring to the table. Make sure it’s clear, polished, and focused on your strengths.

At Matrix HR , we’re here to support you. Whether you’re in construction, skilled trades, energy, shipbuilding, or another industry, we can help you connect with the right opportunities. Check out our current job openings at matrixhr.ca/careers or reach out to one of our recruiters for personalized advice.

We’re here to help you succeed. 😊