Penetration Tester (Ethical Hacker) at Jeroid Limited

Jeroid Limited is a leading Nigerian fintech company offering innovative solutions in cryptocurrency trading, gift card redemption, and digital payments. With a user base of over 200,000, we are committed to delivering secure, fast, and reliable services. At Jeroid, we value exceptional customer experiences and are seeking a dedicated Customer Service Representative to join our growing team.

We are recruiting to fill the position below:

Job Title: Penetration Tester (Ethical Hacker)

Location: Lagos
Job type: Full time

Job Summary

• We are seeking a skilled and detail-oriented Penetration Tester to identify and address security vulnerabilities across our systems, applications, and networks.
• The ideal candidate will simulate cyberattacks to test defenses, provide risk assessments, and recommend actionable remediation strategies to strengthen our security posture.

Key Responsibilities

• Conduct authorized penetration testing on web applications, APIs, mobile apps, networks, and cloud infrastructure.
• Perform vulnerability assessments and security audits.
• Identify security weaknesses and exploit vulnerabilities in a controlled manner.
• Prepare detailed technical reports outlining findings, risk severity, and remediation steps.
• Collaborate with developers and DevOps teams to fix identified vulnerabilities.
• Conduct re-testing to validate remediation efforts.
• Stay updated with emerging threats, vulnerabilities, and security tools.
• Support compliance requirements (e.g., ISO 27001, PCI-DSS, SOC 2 where applicable).
• Develop and maintain internal security testing methodologies and documentation.

Required Qualifications

• Bachelor’s Degree in Computer Science, Cybersecurity, Information Technology, or related field (or equivalent experience).
• 2–5+ years of hands-on penetration testing experience.
• Strong knowledge of networking protocols, firewalls, IDS/IPS, and system security.
• Experience testing web applications (OWASP Top 10 vulnerabilities).
• Proficiency with security testing tools such as Burp Suite, Metasploit, Nmap, Wireshark, Nessus, etc.
• Understanding of Linux, Windows, and cloud environments (AWS, Azure, or GCP).
• Familiarity with scripting languages (Python, Bash, PowerShell).

Preferred Certifications:

• CEH (Certified Ethical Hacker)
• OSCP (Offensive Security Certified Professional)
• CompTIA Security+
• CISSP (advantageous but not mandatory)

Key Skills:

• Strong analytical and problem-solving skills
• Excellent report writing and communication skills
• High ethical standards and professionalism
• Ability to work independently and within a team
• Attention to detail

Nice to Have (Especially for Fintech Environment):

• Experience testing payment systems, crypto platforms, or financial applications
• Knowledge of API security testing
• Experience with bug bounty platforms

Application Closing Date
Not Specified.

How to Apply
Interested and qualified candidates should send their CV to: Vacancy@jeroid.ng using the Job Title as the subject of the email.