Updated April 2026

Junior Penetration Tester
Resume Example

A proven resume structure for junior penetration tester roles that highlights foundational security skills, CTF experience, and vulnerability assessment.

ATS Score
85
Excellent
Keywords · Impact · Format
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Lily Nakamura

San Diego, CA  |  [email protected]  |  (555) 858-3394  |  linkedin.com/in/lilynakamura
Summary

Penetration tester with 1 year of experience conducting web application and network security assessments. Identified 45+ vulnerabilities across 20 client engagements including critical SQL injection and XSS findings. CompTIA Security+ and eJPT certified with hands-on experience in Burp Suite, Nmap, and Metasploit.

Technical Skills
Security Testing: Web App Pentesting, Network Scanning, Vulnerability Assessment, OWASP Top 10
Tools: Burp Suite Community, Nmap, Metasploit, Nikto, Dirb, Wireshark, John the Ripper
Languages: Python, Bash, SQL
Platforms: Kali Linux, Hack The Box, TryHackMe, OWASP WebGoat
Experience
Junior Penetration Tester - TrueShield Security
  • Conducted 20 web application and network penetration tests under senior guidance, identifying 45+ vulnerabilities including 8 critical findings
  • Discovered a SQL injection vulnerability in a client e-commerce platform processing $5M in annual transactions, preventing potential data breach
  • Authored 20 detailed technical reports with remediation recommendations, achieving 100% on-time delivery to clients
  • Ranked in top 5% on Hack The Box platform by completing 40+ challenge machines, strengthening skills in privilege escalation and lateral movement
Security Analyst Intern - CyberVault Solutions
  • Performed vulnerability scans using Nessus across 3 client networks totaling 2K+ endpoints, identifying 180+ security findings
  • Assisted in 5 penetration testing engagements, documenting findings and contributing to remediation reports
  • Developed 4 Python scripts for automated reconnaissance tasks, reducing initial enumeration time by 50%
Education
B.S. Cybersecurity - University of California, San Diego
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Why This Resume Works

1
Quantifies findings and engagements even at entry level

20 engagements, 45+ vulnerabilities, 8 critical findings. Numbers build credibility regardless of seniority.

2
Includes CTF and platform rankings

Top 5% on Hack The Box demonstrates continuous learning and practical skills outside of work.

3
Shows real-world impact

SQL injection in a $5M e-commerce platform is a specific, meaningful finding that demonstrates value.

Section-by-Section Breakdown

Summary

State your experience level, engagement count, and certifications. eJPT and Security+ are appropriate entry-level certs.

Skills

Include both tools (Burp Suite, Nmap) and vulnerability types (SQLi, XSS). Show you understand what to test and how.

Experience

Quantify vulnerabilities found, reports delivered, and engagement counts. CTF achievements fill gaps in professional experience.

Education

Cybersecurity degrees are directly relevant. Include CTF club participation or security-related coursework.

Key Skills for Junior Penetration Tester Resumes

Based on analysis of thousands of job postings, these are the most frequently required skills:

Penetration Testing Web Application Security Vulnerability Assessment Burp Suite Nmap Metasploit Python Bash OWASP Top 10 SQL Injection XSS Kali Linux Network Scanning Security Reporting

Common Mistakes on Junior Penetration Tester Resumes

  • Claiming expertise in tools you have only used in labs - Be honest about 'Community' vs 'Pro' editions. Hiring managers will ask about real-world tool usage.
  • Not including CTF or Hack The Box experience - For juniors, platform achievements and CTF rankings are valuable proof of hands-on skills.
  • Skipping the internship - Security internship experience is directly relevant. Include it with specific findings and metrics.
  • Generic vulnerability descriptions - 'Found security issues' is vague. 'Discovered SQL injection in e-commerce platform processing $5M annually' is specific.
  • Missing entry-level certifications - CompTIA Security+, eJPT, or CEH are expected for junior pentesters. Include them prominently.

How to Write a Junior Penetration Tester Resume That Gets Interviews

A strong resume focuses on measurable outcomes, not job duties. Show what you accomplished in each role, using specific numbers and results that prove your value to the next employer.

1
Start each bullet with a strong action verb

Replace "Responsible for" with "Led," "Built," "Reduced," or "Delivered." Action verbs show initiative and ownership.

2
Quantify your impact wherever possible

Revenue generated, costs saved, time reduced, team size managed, or customers served. Numbers make abstract accomplishments concrete.

3
Tailor your resume for each application

Read the job description and mirror their exact keywords and phrases. ATS systems match your resume against the posting, and close matches score higher.

4
Keep formatting simple and ATS-friendly

Single column, standard fonts, clear section headers, and no tables or graphics. A clean format ensures both ATS parsers and human reviewers can scan your resume quickly.

Before submitting your junior penetration tester resume, check your ATS score to catch keyword gaps.

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