Penetration Tester / Security Engineer (m/f)

About the Position

ARHS Group, part of Accenture, is looking for a Penetration Tester / Security Engineer (m/f) to join our Security Team in Luxembourg.

If you enjoy identifying vulnerabilities, assessing application and infrastructure security, and staying up to date with the latest attack techniques, we'd be happy to meet you. You'll work on a variety of security projects while collaborating with experienced security professionals in an international environment.

Responsibilities

• Perform automated and manual penetration testing of web and mobile applications, as well as cloud and on-premises infrastructures.
• Contribute to the continuous improvement of secure software development practices and promote security throughout the development lifecycle.
• Identify security weaknesses and propose mitigation strategies or secure architectural improvements.
• Analyze customer security requirements and recommend appropriate technical solutions.
• Evaluate and improve penetration testing methodologies and security processes.
• Prepare clear and concise technical reports with findings and recommendations.
• Collaborate with developers and security engineers to improve the overall security posture of applications and infrastructures.
• Share knowledge, contribute to team learning, and drive continuous improvement initiatives.

Requirements

• Master's degree in Computer Science, Information Security, or a related field is preferred.
• Minimum 2 years of experience in penetration testing or application security.
• Experience performing internal penetration tests and/or participating in Red Team exercises.
• Good knowledge of penetration testing tools such as Burp Suite Professional, Nmap, Metasploit, Nessus, and Kali Linux.
• Good understanding of:
  • OWASP Top 10
  • MITRE ATT&CK
  • DevSecOps and Secure SDLC principles
  • OSI/TCP networking concepts
  • Cloud security principles (AWS/Azure)
• Familiarity with one or more programming or scripting languages such as Java, C/C++, PHP, or Python.
• Strong analytical, problem-solving, and communication skills.
• Curiosity, creativity, and willingness to continuously learn new technologies and attack techniques.
• Experience working in Agile environments.
• Fluency in English (written and spoken).

Nice to Have

• Experience developing custom exploits or participating in bug bounty platforms such as HackerOne, Hack The Box, or TryHackMe.
• Previous experience as a software developer.
• One or more of the following certifications:
  • OSCP
  • OSWE
  • eCPPTv2
  • CHFI
  • GIAC GPEN
  • AWS Certified Security – Specialty
  • Azure Security Engineer Associate

We Offer

• Opportunity to work with a leading global consulting firm.
• Collaborative and innovative work environment.
• Professional development opportunities.
• Flexible work arrangements to support your work/life balance.

About the Company

Arηs Group, Part of Accenture, specializes in the management of complex public sector IT projects, including systems integration, informatics and analytics, solution implementation and program management. Our team helps lead clients through digital and information systems design, bringing expertise in a variety of areas ranging from software development, data science and security management to machine learning, cloud, and mobile development.

Arηs Group was acquired by Accenture in July 2024.