Senior Cyber Security Expert

CETIN International is a leading wholesale provider of active and passive telecommunications infrastructure services in Central and Eastern Europe. CETIN Hungary is part of CETIN International. CETIN International represents four CETIN operating companies in Hungary, Slovakia, Bulgaria, and Serbia. CETIN International companies are providers of mobile telecommunications infrastructure and complex broadband services.

CETIN Hungary owns and operates one of the largest 2G/4G/5G telecommunications network infrastructure in Hungary. We are committed to provide high quality solutions reflecting the technological requirements of our customers. Our main focus is to develop top-quality telecommunication infrastructures and fulfill associated market demand. 

Join us and work with highly skilled, motivated and world-class experts. Apply and be part of our team!

Currently we are looking for a 

Senior Cyber Security Expert 

About the role:

In this role, you’ll play a key part in assessing and monitoring the security of our IT and telecommunication systems. Your expertise will help us strengthen our defenses through in-depth analysis, integration, deployment, and development of security infrastructure—alongside hands-on operational and incident response tasks.

What You’ll Be Doing:

• Perform security assessments on IP and telecommunication networks, web applications, and infrastructure to identify vulnerabilities and potential threats.
• Continuously monitor and analyze systems and networks to detect vulnerabilities and hunt for threats.
• Investigate cybersecurity incidents and breaches to understand root causes and impacts.
• Take a leading role in responding to vulnerabilities and incidents by advising response teams and recommending effective security measures.
• Deploy, develop, and manage security infrastructure that supports our analysis and monitoring capabilities.
• Drive improvements in our security services and processes, contributing your insights and experience.
• Actively promote a culture of security awareness and continuous improvement.

What We’re Looking For :

• 5 to 10 years of hands-on experience in cybersecurity.
• A relevant Bachelor’s or Master’s degree in information/network security, computer science, or a related field.
• Fluency in English, both spoken and written.
• A strong ethical mindset and a commitment to confidentiality.
• Analytical thinking and a proactive approach to problem-solving.
• Eagerness to learn and stay up to date with the latest technologies and methodologies.
• Solid project management skills and a passion for technology.
• Ability to clearly present complex information and highlight key issues.
• Resilience under pressure and a calm, focused approach to uncertainty.
• Integrity, honesty, and a strong sense of responsibility

What we offer:

• Be part of a dynamic and supportive team.
• Flexible working hours with the option for home office.
• Competitive benefits package including:
  • Annual bonus of 10% of gross salary
  • Health insurance and Medicover healthcare services.
  • Laptop and optional smartphone (up to net 150,000 HUF value).
  • Advanced mobile services with unlimited internet.
  • Cafeteria allowance of 700,000 HUF gross per year.
• Company buses available from Budapest.