RESUME MISTAKES

Avoid These Office Manager Resume Mistakes

Polish your resume, beat the ATS, and showcase your leadership and organizational expertise.

How This Page Helps
Help Office Managers identify and correct resume errors that keep them from getting interviews.
Spot hidden ATS blockers
Learn industry‑specific wording
Apply proven formatting rules
Turn weak bullet points into achievements
Boost confidence with a ready‑to‑use checklist

Common Mistakes That Kill Your Chances

Each mistake includes why it hurts, how to fix it, and before/after examples

Using a generic objective instead of a professional summaryMEDIUM
Why it hurts
  • Recruiters skip generic objectives quickly
  • ATS scores lower when keywords appear later
  • Fails to showcase measurable impact
How to fix
  • Replace the objective with a 3‑sentence professional summary
  • Lead with your title and years of experience
  • Add 2‑3 quantifiable achievements
❌ Before

Objective: Seeking a challenging position where I can utilize my skills.

✓ After

Professional Summary: Results‑driven Office Manager with 5+ years overseeing daily operations, improving efficiency by 20% and reducing supply costs by $15K annually.

ATS Tip
Place the exact job title and top three skill keywords within the first 100 characters.
Detection Rules
Contains the word 'Objective'
Less than 3 sentences
Lacks quantifiable results
Resumly Tip
Swap the objective for a concise summary that highlights experience, title, and key metrics.
Listing duties instead of achievementsHIGH
Why it hurts
  • Doesn’t demonstrate value to employers
  • ATS looks for action verbs and results
  • Hiring managers can’t gauge impact
How to fix
  • Start each bullet with a strong action verb
  • Include numbers, percentages, or dollar amounts
  • Focus on outcomes rather than tasks
❌ Before

- Managed office supplies. - Coordinated meetings. - Handled phone calls.

✓ After

- Streamlined office supply ordering, cutting costs by 18% while maintaining stock levels. - Organized weekly cross‑departmental meetings, improving project turnaround time by 12%. - Implemented a call‑routing system that reduced average hold time from 3 minutes to 45 seconds.

ATS Tip
Use keywords like 'managed', 'coordinated', 'implemented' followed by measurable results.
Detection Rules
Bullets begin with verbs like 'responsible for' or 'assisted','No numbers present
Resumly Tip
Rewrite duty statements into achievement‑focused bullets with quantifiable results.
Inconsistent or unclear date formattingMEDIUM
Why it hurts
  • ATS may misread employment periods
  • Gaps appear larger than they are
  • Hiring managers question attention to detail
How to fix
  • Use a uniform MM/YYYY format for all entries
  • Include both month and year for each role
  • If a gap exists, add a brief explanation or a freelance/volunteer line
❌ Before

Office Assistant – Jan 2018 – 2020 Office Manager – 2020 – Present

✓ After

Office Assistant – 01/2018 – 12/2020 Office Manager – 01/2021 – Present

ATS Tip
Consistent date formats improve parsing accuracy and prevent hidden gaps.
Detection Rules
Dates missing month
Mixed formats like 'Jan 2018' and '2020'
Resumly Tip
Standardize all dates to MM/YYYY; add missing months where possible.
Using non‑standard section headingsLOW
Why it hurts
  • ATS may skip sections it doesn’t recognize
  • Recruiters skim for familiar headings
  • Important information can be missed
How to fix
  • Adopt common headings: Professional Summary, Core Competencies, Professional Experience, Education, Certifications, Technical Skills
  • Keep headings bold and capitalized
❌ Before

Career Highlights Work History Academic Background

✓ After

Professional Summary Professional Experience Education

ATS Tip
Standard headings align with most ATS parsing rules.
Detection Rules
Headings not in typical list
Synonyms like 'Career Highlights' used
Resumly Tip
Replace creative headings with industry‑standard ones to ensure ATS captures every section.
Including irrelevant personal detailsLOW
Why it hurts
  • Wastes valuable space on a 1‑2 page resume
  • ATS may penalize unrelated keywords
  • Hiring managers lose focus on qualifications
How to fix
  • Remove hobbies, marital status, and unrelated jobs
  • Keep only experience and skills tied to office management
  • If you include a hobby, ensure it demonstrates a transferable skill
❌ Before

Interests: Hiking, Cooking, Photography Volunteer: Animal Shelter (2015‑2019)

✓ After

Volunteer: Administrative Coordinator, Local Non‑Profit (2015‑2019) – Managed donor database and coordinated events, improving donor retention by 10%.

ATS Tip
Only retain sections that add value to the Office Manager role.
Detection Rules
Section titled 'Interests' or 'Hobbies' present
Personal details like age, marital status
Resumly Tip
Trim personal sections; keep only experience that showcases relevant administrative or leadership skills.
Formatting Guidelines
File Types: PDF, DOCX
Sections: Contact Information, Professional Summary, Core Competencies, Professional Experience, Education, Certifications, Technical Skills
Naming: FirstName_LastName_OfficeManager_Resume
Consistency
Length: 1‑2 pages (max 2)
Date Format: MM/YYYY
Location Format: City, State
Resume Quality Checklist
  • Use a professional summary
  • Quantify achievements
  • Start bullets with action verbs
  • Keep dates consistent (MM/YYYY)
  • Tailor keywords to the job description
  • Proofread for spelling and grammar
  • Save as PDF before sending
ATS Alignment Guide
Common ATS Systems: iCIMS, Greenhouse, Workday, Lever, Taleo
Keyword Strategy: Office Manager, facilities management, vendor relations, budget administration, team leadership, process improvement
Heading Format: Use standard headings like Professional Experience, Education, Skills to ensure ATS parses correctly.
Quick Fix Workshop
Paste your current Office Manager resume text
  • Replace objective with summary
  • Add quantifiable results
  • Standardize dates
  • Rename sections to standard headings
  • Insert relevant keywords
Download Checklist PDF
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