Senior Cybersecurity Engineer

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Overview

Senior Cybersecurity Engineer role with a leading telecommunications company in Düsseldorf. The role involves applying cybersecurity expertise to secure IoT products, telecom systems, and network/OT equipment.

Responsibilities

• Conduct comprehensive cybersecurity assessments and penetration testing on a variety of systems, including IoT products, telecom systems, and network/OT equipment.
• Identify, evaluate, and report on cybersecurity vulnerabilities, supporting the development of mitigation plans and participating in incident response and post-incident analysis.
• Lead technical exchanges and security communications with both internal and external stakeholders.
• Present security governance, concepts, and research findings to customers during lab visits.
• Conduct advanced security research, focusing on new attack techniques, firmware analysis, and AI-based threat modeling.
• Collaborate with R&D teams to integrate security best practices into the product development lifecycle, ensuring compliance with industry standards (e.g., 3GPP, GSMA NESAS, ISO 27001).
• Lead and coordinate security projects to promote continuous improvement and proactive risk management.

Requirements

• Bachelor’s degree or higher in Computer Science, Information Security, Electronic Communication, or a related field.
• At least 3 years of experience in security, penetration testing, or a related role.
• Proficiency with mainstream security testing tools and methodologies.
• Solid understanding of IoT architectures, network protocols, and telecom/OT systems.
• Excellent written and verbal communication skills in both German and English.
• Strong project management and teamwork skills, with experience in cross-functional security projects.
• A proactive, fast learner with the ability to drive technical innovation.
• Knowledge of AI and machine learning applications in cybersecurity, including AI threat modeling, automated vulnerability detection, or adversarial attack/defense techniques.
• Prior experience in a team or project leadership role.
• Relevant certifications, such as OSCP, OSWE, eWPTX, eCPTXv2, or equivalent.
• An understanding of 5G/4G/2G architectures and common attack methods like IMSI catchers, downgrade attacks, jamming, spoofing, and sniffing.

How to apply: If this role is of any interest please apply directly on LinkedIn or send a copy of your CV to

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