Onsite Penetration Testing Engineer – Guadalajara

Nuvnext; Región Centro; Hybrid; MXN 420,000 - 660,000; Full time

Job summary

Nuvnext in Guadalajara, Mexico, is seeking a security-focused penetration tester to perform authorized assessments on web applications and APIs. You will evaluate agents for prompt injection and tool abuse, review access policies and secrets, and document each finding with evidence to ensure proper closure.

This on-site, full-time role places you at the core of product security, collaborating directly with founders and production teams.

Qualifications

• Found real vulnerabilities in professional work, CTFs, or bug bounty programs.
• Understand web applications, authentication and access control.
• Work only within what is authorized and document it.

Responsibilities

• Run authorized penetration tests on applications and APIs.
• Test agents against prompt injection and tool abuse.
• Review access policies, secrets and exposed data.
• Document every finding with evidence and verify it gets closed.

Skills

Web security concepts

Authentication

Access control

Education

OSCP or equivalent

Tools

PostgreSQL

Job description

Nuvnext in Guadalajara, Mexico, is seeking a security-focused penetration tester to perform authorized assessments on web applications and APIs. You will evaluate agents for prompt injection and tool abuse, review access policies and secrets, and document each finding with evidence to ensure proper closure.

This on-site, full-time role places you at the core of product security, collaborating directly with founders and production teams.