Medior Security Pentester: Web/API & AD Expert

Keystone Solutions; Brussel Hoofdstad; Hybride; EUR 60 000 - 90 000; Plein temps

Résumé du poste

Keystone Solutions seeks a Medior Security Pentester / Ethical Hacker to join a client-site consultancy mission in Brussels. You will perform autonomous penetration tests across web apps, APIs, networks, and Windows/AD, with guidance from a senior profile.

The role emphasizes structured reporting, evidence-based findings, and collaboration with the security team and CISO office to improve remediation and security posture.

Qualifications

• Autonomous execution under supervision; SFIA level 3.
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• Minimum 8 years of experience; 5–8 years ideal.
• Degree in computer science, cybersecurity, or telecommunications, or equivalent experience.

Responsabilités

• Prepare and conduct autonomous pentests on web apps, networks, and Windows/AD environments; produce reports.
• Deliver precise, reproducible reports with vulnerability details, exploitation conditions, evidence, impact, risk, and recommendations.
• Define scope, objectives and engagement rules with a senior.
• Provide simple proof of concepts and scripts tailored to needs.
• Conduct retests to validate corrections.
• Contribute to internal methodologies, checklists, and report templates.

Connaissances

Structured penetration testing

Web app & API testing

Network & infrastructure testing

Windows/AD testing

Technical report writing

Formation

Bachelor's degree in CS / cybersecurity or related

Outils

Kali/Parrot

Burp Suite

OWASP ZAP

Nmap

Wireshark

Nessus

Metasploit

Impacket

NetExec

Description du poste

Keystone Solutions seeks a Medior Security Pentester / Ethical Hacker to join a client-site consultancy mission in Brussels. You will perform autonomous penetration tests across web apps, APIs, networks, and Windows/AD, with guidance from a senior profile.

The role emphasizes structured reporting, evidence-based findings, and collaboration with the security team and CISO office to improve remediation and security posture.