Remote Penetration Tester (Junior–Mid) – Web, App & Cloud Security

Redherd.Io; Johannesburg; Remote; ZAR 420,000 - 520,000; Full time

Job summary

Redherd.Io, a cybersecurity recruitment and advisory firm, is seeking a Junior to Mid-Level Security Analyst / Penetration Tester for a client in the cybersecurity field. The role emphasizes hands-on testing across web apps, APIs, infrastructure, cloud, and mobile platforms, with practical exploitation and reporting development.

You will work with seasoned testers to learn advanced techniques, document findings, and contribute to improving testing methodologies and tools.

Qualifications

• 1–3+ years of experience in penetration testing, vulnerability assessment, or offensive security related work.
• Foundational understanding of web application security concepts and OWASP Top 10 vulnerabilities.
• Familiarity with penetration testing tools such as Burp Suite, Nmap, Kali Linux, or similar security tooling.
• Basic scripting ability in Python, Bash, or PowerShell.

Responsibilities

• Assist in performing penetration tests across web applications, APIs, mobile applications, infrastructure environments, and cloud systems.
• Identify and validate security vulnerabilities such as authentication flaws, insecure access controls, and common OWASP vulnerabilities.
• Document testing activities and maintain clear testing notes and evidence; assist in preparing technical reports with remediation guidance.

Job description

Redherd.Io, a cybersecurity recruitment and advisory firm, is seeking a Junior to Mid-Level Security Analyst / Penetration Tester for a client in the cybersecurity field. The role emphasizes hands-on testing across web apps, APIs, infrastructure, cloud, and mobile platforms, with practical exploitation and reporting development.

You will work with seasoned testers to learn advanced techniques, document findings, and contribute to improving testing methodologies and tools.