About RMT Labs

RMT Labs SA is a Luxembourg-based research and technology company building the future of hiring in Europe. We operate two complementary brands: Talent Quanta, a profitable recruitment and ICT-consulting business serving clients across Europe since 2022, and Skillbourg, an AI-powered talent platform born from that real-world recruitment intelligence.

About the role

As a Fractional Penetration Tester, you will run scoped security testing engagements for clients on a freelance (B2B) basis, 10 to 25 hours per week. You will find vulnerabilities before attackers do and help clients fix them.

What you will do

• Run penetration tests on web applications, APIs and infrastructure

• Agree scope and rules of engagement with clients

• Document findings with clear risk ratings

• Write practical recommendations for fixes

• Retest fixes after remediation

• Present results to technical stakeholders

What you bring

• 3+ years of experience in penetration testing

• Strong knowledge of the OWASP Top 10 and common attack techniques

• Experience with Burp Suite, Nmap and Metasploit

• Scripting skills in Python or Bash

• Clear report writing

• You work independently and are comfortable in a fractional, remote setup

Nice to have

• OSCP or similar certification

• Cloud or Active Directory testing experience

• Red teaming experience

• Experience with banking clients

Skills we're looking for

Technical skills

• Penetration Testing
• OWASP Top 10
• Burp Suite
• Nmap
• Metasploit

Interpersonal skills

• Work Autonomy
• Written Communication
• Stakeholder Management
• Verbal Communication
• Professional Integrity