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NBS SYSTEM

NBS SYSTEM

www.nbs-system.com

1 Job

25 Employees

About the Company

Pour de nombreuses entreprises, la thématique de la sécurité arrive après compromission. Depuis 1999, NBS System s’engage dans les démarches d’amélioration continue afin de limiter les risques et protéger nos clients. NBS System est une filiale du groupe CELESTE, opérateur télécommunication et cloud. Notre démarche consiste à vous proposer les prestations de sécurité de haute qualité et de nous adapter à votre situation spécifique en vous apportant des solutions adaptées à vos enjeux. Voici la liste de nos différents services : - Pentest et Audit de sécurité - Scanner de vulnérabilité - Ingénierie Sociale - Red Team / Intrusion Avancée - DevSecOps - Coaching et Sensibilisation - Sécurité et Architecture - Kubernetes et Containers C’est cette vision holistique et proactive de la cybersécurité que nous partageons avec nos clients, les accompagnant pour sécuriser leur avenir numérique dans un monde en constante évolution.

Listed Jobs

Company background Company brand
Company Name
NBS SYSTEM
Job Title
Lead Pentester / Pentester Senior F/H
Job Description
**Job Title** Lead Penetration Tester / Senior Pen Tester (F/M) **Role Summary** Technical lead and mentor for security audit engagements, conducting complex penetration tests across networks, cloud, web, mobile, and desktop environments. Provides expert guidance to the audit team, drives method improvement, and contributes to threat intelligence, tool development, and client technical qualification. **Expectations** - Approximately 5+ years in offensive security and penetration testing. - Deep expertise in exploitation, vulnerability assessment, and configuration audits on Unix/Linux and Windows platforms. - Proficiency in scripting and programming (Python, Go; additional languages welcomed). - Strong analytical, synthesis, and communication skills in English and French. - Ability to deliver technical findings to diverse stakeholders and educate clients through phishing campaigns, training, and workshops. **Key Responsibilities** - Define and supervise testing methodologies, ensuring high‑quality technical execution. - Lead complex audits: external/internal, web, infrastructure, cloud, mobile, desktop, and Red Team engagements. - Perform configuration, code, and architecture reviews. - Conduct phishing campaigns, security awareness training, and coaching. - Deliver clear, pedagogical audit result presentations. - Support sales teams with technical qualification during pre‑sales. - Engage in continuous improvement of audit procedures and internal tooling. - Conduct R&D: stay current on attack scenarios, emerging threats, and vulnerabilities. - Write technical articles, host webinars, and enhance the organization’s technical reputation. **Required Skills** - Offensive security fundamentals: networking, protocols, OS internals, cryptography, authentication, web technologies. - Hands‑on exploitation and vulnerability research, including code‑level analysis. - Programming/scripting in Python and Go; knowledge of additional languages (C/C++, Java) valued. - Experience with threat modelling, risk assessment, and secure configuration benchmarks. - Proficiency in preparing detailed technical reports and delivering presentations. - Bilingual: French native, professional English. - Ability to mentor junior analysts and share knowledge through tech talks and workshops. **Required Education & Certifications** - Bachelor’s or higher degree in Computer Science, Information Security, or related field. - Minimum of 5 years of professional penetration testing experience. - OSCP, OSCE, GXPN, CRTP, CRTE or equivalent offensive security certifications strongly preferred. ---
Champs-sur-marne, France
On site
Senior
21-10-2025