Information Security Specialist

Istanbul March 26, 2026 Full Time

iyzico

iyzico was founded in 2013 to provide online payment services and artificial intelligence-based payment technologies to businesses of various sizes in the world of e-commerce. By making the complex payment processes simple through its easy and secure platform, iyzico had achieved significant successes through supporting thousands of businesses in digitalization and was acquired by the global payment systems giant PayU in 2019. With such a robust structure, iyzico is operating on the principle of democratizing financial services and making them accessible for everyone alongside the services it provides to businesses.

Through iyzico Buyer Protection, consumers’ concerns regarding shopping online are resolved and better experiences are enabled. Control is handed back to the consumers by 24/7 live support through the iyzico mobile app and convenience in cancellation/returns processes. To this date, more than 2 million consumers shopped online under the security provided by iyzico Buyer Protection and this number is increasing daily. Via pay with iyzico, which is a blended payment solution, millions of consumers who do not use banking can safely shop online under the belt of iyzico Buyer Protection.

iyzico continues to simplify online shopping for both consumers and sellers by the simple, accessible, and innovative technologies it developed.

Key Responsibilities

• Work closely with teams across the organization (particularly Infra, Software, Compliance, and Legal) to implement proactive security measures.

• Developing and implementing a comprehensive plan to secure iyzico network.

• Documenting any security breaches and assessing their damage.

• Conduct routine phishing and Information Security campaigns to increase users’ awareness of social engineering attacks and provide periodic reporting to Information Security Manager.

• Monitoring iyzico assets for security breaches, vulnerabilities, and attacks with using related security solutions.

• Working with the Information Security Manager to roll out new or updated policies and procedures

• Assist in activities towards fulfilling various compliance regulations such as PCI DSS, EU GDPR, SOX etc.

• Assessing, planning, and coordinating patch management activities for internal and third-party hosted systems

• Providing and collecting evidence which points to information security for local, global and 3rd party audits

Qualifications & Experience

• Bachelor’s degree in Engineering / Information Systems / Information Security / Cyber Security

• Min. 3-4 years of relevant experience in a similar role

• Strong understanding of Information Security solutions, this will cover areas such as IDS&IPS, NDR, EDR, DAM, SIEM, IAM, DLP;

• Knowledge and experience on creation security controls (Use Cases, detection rules)

• Knowledge of coding/programming using Python.

• Knowledge of information security standards and legislation.

• Experience in the information security of the financial industry is a big plus

• Security certification (CEH, Comptia Sec+ etc.) is a plus

• Keen interest in pursuing an Information Security specialism

• Good knowledge of various information security frameworks.

• Excellent problem-solving and analytical skills.

• Good communication skills (both internally and with customers/prospects)

• Strong feedback and continuous learning mindset

What We Offer

• A culture of continuous development: conferences, in-house events & Tech Talks to stay up-to-date on current research and technology. P.S.:You do not need to wait to get on the stage and share your expertise with you teammates and the community

• Online Training Platform (Free access to Udemy, Harvard ManageMentor, Get abstract, etc.),

• Freedom under responsibility is our common mindset. That’s how we designed our flexible working model called,

• iyzico Homequarters. Our homequarters is in Altunizade,

• Meal & Internet Allowance,

• Transportation Allowance,

• A gift voucher to meet tech needs and ergonomic workspace at home,

• Macbook (and monitor if needed),

• Employee support program: free psychological counseling, legal advice, financial advice etc.

• Private health insurance,

• 1 day birth day leave,

• An iyzicoMate is assigned to help you with anything you may need on your onboarding,

• A detailed orientation program designed for you to fully grasp the iyzico culture.