Remote Senior Penetration Tester | Offensive Security Lead

Redherd.Io; Johannesburg; Remote; ZAR 600,000 - 900,000; Full time

Job summary

Redherd.Io is seeking a Security Analyst / Penetration Tester to join a growing offensive security team. The role focuses on delivering high-quality testing across web applications, APIs, mobile platforms, infrastructure, and cloud environments, using manual testing and deep technical analysis to find vulnerabilities beyond automated scans.

You will develop proof-of-concept exploits, produce clear remediation guidance, and present findings to technical and business stakeholders.

Qualifications

• 2–6+ years of hands-on penetration testing experience.
• Strong knowledge of OWASP Top 10, ASVS, and API Security Top 10.
• Experience with manual testing and vulnerability chaining.
• Proficient with security testing tools and scripting.
• Strong written reporting and client communication skills.

Responsibilities

• Lead penetration testing engagements from planning through reporting and remediation guidance.
• Produce clear reports with risk ratings and remediation advice.
• Present findings to technical and business stakeholders.
• Develop proof-of-concept exploits and validate fixes.

Skills

Penetration testing

Manual testing

Vulnerability assessment

Threat hunting

Reporting

Tools

Burp Suite

Nessus

Metasploit

Python scripting

Job description

Redherd.Io is seeking a Security Analyst / Penetration Tester to join a growing offensive security team. The role focuses on delivering high-quality testing across web applications, APIs, mobile platforms, infrastructure, and cloud environments, using manual testing and deep technical analysis to find vulnerabilities beyond automated scans.

You will develop proof-of-concept exploits, produce clear remediation guidance, and present findings to technical and business stakeholders.