RESUME MISTAKES

Stop Losing Security Guard Jobs to Bad Resumes

Identify and correct the critical mistakes that keep hiring managers from calling you back.

How This Page Helps
This page helps security guards pinpoint frequent resume pitfalls, understand why they matter, and apply actionable fixes to create an ATS‑friendly, hiring‑manager‑approved document.
Spot the 5 most damaging resume errors for security professionals
Learn why each mistake hurts your candidacy
Apply step‑by‑step fixes with real‑world examples
Align your resume with top applicant tracking systems
Boost your interview call‑back rate

Common Mistakes That Kill Your Chances

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

Generic Objective Instead of a Targeted SummaryMEDIUM
Why it hurts
  • Hiring managers can’t see your value proposition
  • ATS keywords are missed
  • Objective statements are outdated and often ignored
How to fix
  • Replace the objective with a 2‑3 sentence professional summary
  • Highlight years of experience, key security specialties, and certifications
  • Incorporate relevant keywords such as ‘access control’, ‘patrol’, ‘incident reporting’
❌ Before

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

✓ After

Professional Summary: Dedicated security guard with 4 years of experience protecting commercial facilities, skilled in CCTV monitoring, access‑control systems, and emergency response. Holds SIA license and CPR certification.

ATS Tip
Lead with keywords like ‘security guard’, ‘access control’, ‘CCTV’, and your certifications.
Detection Rules
objective_section_present
summary_section_missing
Resumly Tip
Swap the objective for a concise summary that showcases your core strengths and relevant keywords.
Listing Duties Without Quantifiable AchievementsHIGH
Why it hurts
  • Resumes look like a job description, not a performance record
  • Hiring managers can’t gauge impact
  • ATS favors numbers and action verbs
How to fix
  • Start each bullet with a strong action verb
  • Add measurable results (e.g., % reduction in incidents)
  • Showcase specific tools or systems used
❌ Before

- Patrolled assigned area and reported incidents.

✓ After

- Patrolled 10 acre campus 24/7, reducing security incidents by 22% through proactive monitoring and rapid response using CCTV and two‑way radios.

ATS Tip
Include numbers (years, percentages, counts) to trigger ATS scoring algorithms.
Detection Rules
bullets_without_numbers
no_action_verbs
Resumly Tip
Turn duty statements into achievement‑focused bullet points with metrics.
Omitting Relevant Certifications and TrainingHIGH
Why it hurts
  • Many security roles require specific licenses (SIA, CPR)
  • ATS filters out resumes lacking required credentials
  • Hiring managers may discard candidates without proof of training
How to fix
  • Create a dedicated ‘Certifications’ section near the top
  • List each certification with issuing authority and expiration date
  • Include related training such as First Aid, De‑Escalation, Fire Safety
❌ Before

Work Experience: Security Guard at XYZ Corp (2021‑Present)

✓ After

Certifications: - SIA (Security Industry Authority) License, valid until 12/2026 - CPR & First Aid, Red Cross, expires 08/2025 - Fire Safety Awareness, completed 03/2023

ATS Tip
Use exact certification names; ATS often matches on ‘SIA License’, ‘CPR’, ‘First Aid’.
Detection Rules
certifications_section_missing
keywords_missing
Resumly Tip
Add a clear certifications block to satisfy both ATS filters and recruiter expectations.
Inconsistent Formatting and Overly Long ParagraphsLOW
Why it hurts
  • ATS may fail to parse sections with irregular headings
  • Hiring managers skim; dense text reduces readability
  • Unprofessional appearance can signal lack of attention to detail
How to fix
  • Use standard headings (Professional Summary, Work Experience, etc.)
  • Keep bullet points to one line when possible
  • Maintain uniform font, size (11‑12 pt), and spacing
❌ Before

Work Experience: Security Guard – ABC Ltd. January 2020 – Present Responsible for monitoring premises, writing reports, and responding to alarms.

✓ After

Work Experience Security Guard – ABC Ltd. | Jan 2020 – Present - Monitored premises via CCTV, responding to 15+ alarms monthly. - Authored concise incident reports, improving response time by 10%. - Conducted nightly patrols covering 5 buildings, ensuring zero breaches.

ATS Tip
Use plain text headings (e.g., ‘Work Experience’) without special characters to ensure ATS parsing.
Detection Rules
inconsistent_heading_styles
paragraphs_used_instead_of_bullets
Resumly Tip
Switch to clean, bullet‑point formatting with consistent headings for ATS compatibility.
Formatting Guidelines
File Types: PDF, DOCX
Sections: Contact Information, Professional Summary, Work Experience, Certifications, Skills, Education
Naming: FirstName_LastName_SecurityGuard
Consistency
Length: One page for entry‑level guards; up to two pages for 5+ years of experience
Date Format: MM/YYYY
Location Format: City, State
Resume Quality Checklist
  • Include a targeted professional summary with key security keywords
  • Quantify achievements in every work‑experience bullet
  • List all relevant certifications with dates
  • Use standard headings and bullet points only
  • Save as PDF with a clear file name
ATS Alignment Guide
Common ATS Systems: iCIMS, Taleo, Workday, Greenhouse
Keyword Strategy: Security guard, access control, patrol, incident reporting, CCTV, SIA license, CPR, First Aid, emergency response
Heading Format: Use standard headings like ‘Professional Summary’, ‘Work Experience’, ‘Certifications’, ‘Skills’
Quick Fix Workshop
Paste your current security guard resume text below
  • Convert duties to action‑oriented bullet points
  • Add quantifiable results to each achievement
  • Insert missing certifications and training
  • Standardize date and location formats
Download Checklist PDF
Ready to transform your security guard resume?
Get a Free Resume Review

More Common Resume Mistakes

Check out Resumly's Free AI Tools