Cyber Security Engineer

Ödeal; Fatih; On-site; TRY 300,000 - 540,000; Full time

Benefits offered by this job

Campus‑Style Office

Commute Perks

Convenient Meals

Birthday Leave

Healthcare Coverage

Job summary

Ödeal is seeking a Cyber Security Engineer to strengthen detection, response, and defensive operations within our fintech platform. You will lead SIEM enhancements, audit logging, and security monitoring at scale to protect payments and data.

The role requires collaboration with product and security teams, mentoring junior engineers, and tuning EDR, email security, and WAF configurations for resilient, compliant systems. Fluency in Turkish and English is preferred.

Qualifications

• Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or a related technical field.
• Minimum 4 years of professional experience in cybersecurity, security operations, or a related field.
• Experience in fintech, banking, or other regulated industries is a strong plus.
• Hands‑on experience managing SIEM platforms, audit logging, and security monitoring at scale.
• Solid experience with log management on robust, clustered technologies (e.g., Elastic/OpenSearch, Kafka, or similar).
• Strong familiarity with, and comfort using, open‑source security solutions.
• Practical experience with incident response, EDR, email security, and WAF management.
• Strong analytical skills, attention to detail, and a proactive problem‑solving mindset.
• Excellent written and verbal communication in Turkish and English.

Responsibilities

• Manage and continuously improve our SIEM platform, including log source onboarding, correlation rules, alerting, and dashboards for threat detection.
• Own audit log management end to end, ensuring tamper-resistant log collection, retention, and availability.
• Lead and coordinate incident response activities from detection through containment, eradication, and post-incident review.
• Administer and optimize core defensive security tooling, including EDR, email security, and endpoint protection.
• Manage WAF configuration, rulesets, and tuning to protect web applications and APIs.
• Design and operate log management on robust, high-availability technologies, using open-source solutions where appropriate.
• Mentor and support junior security engineers, sharing knowledge and growing the team’s capability.

Skills

SIEM management

Incident response

Log management

WAF management

EDR & security tooling

Turkish and English communication

Education

Bachelor's degree in Computer Science or related field

Tools

Elastic/OpenSearch

Kafka

EDR tools

Job description

Ödeal is a fintech scaleup, founded in 2014 with the aim of simplifying and enhancing point-of-sale experiences for buyers and sellers alike. With over 125,000 merchants on board and a passionate team of 500+ employees, we're shaping the future of payments.

Our Mission is driven by a simple yet profound goal: to boost sales and empower entrepreneurs with the most comprehensive financial solutions.

Our Vision is to level the playing field for businesses of all sizes, fostering competitiveness and economic growth.

Our Services include a mobile POS app – seamless payments on the go –, physical POS – tailored systems for businesses – and cash register POS – modernizing traditional setups –.

Your Role

Our product and technology teams are continuously evolving, focusing on building secure, scalable, and high-performing financial systems. As part of this journey, we are looking for a Cyber Security Engineer who will play a key role in strengthening our detection, response, and defensive security operations.

In this role, you will:

• Manage and continuously improve our SIEM platform, including log source onboarding, correlation rules, alerting, and dashboards to ensure effective threat detection across the environment.
• Own audit log management end to end, ensuring comprehensive, tamper-resistant log collection, retention, and availability in line with regulatory and forensic requirements.
• Lead and coordinate incident response activities, from detection and triage through containment, eradication, and post-incident review, and help mature our IR playbooks and processes.
• Administer and optimize core defensive security tooling, including EDR, email security, and endpoint protection, tuning policies to balance security and operational needs.
• Manage our WAF configuration, rulesets, and tuning to protect web applications and APIs against evolving threats.
• Design and operate log management on robust, clustered, high-availability technologies, making strong use of open-source solutions where appropriate.
• Mentor and support junior security engineers, sharing knowledge, reviewing their work, and helping grow the team's overall capability.

Your Qualifications

• Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or a related technical field.
• Minimum 4 years of professional experience in cybersecurity, security operations, or a related field.
• Experience in fintech, banking, or other regulated industries is a strong plus.
• Hands‑on experience managing SIEM platforms, audit logging, and security monitoring at scale.
• Solid experience with log management on robust, clustered technologies (e.g., Elastic/OpenSearch, Kafka, or similar high‑availability stacks).
• Strong familiarity with, and comfort using, open‑source security solutions.
• Practical experience with incident response, EDR, email security, and WAF management.
• Strong analytical skills, attention to detail, and a proactive problem‑solving mindset.
• Excellent written and verbal communication skills in both Turkish and English, with the ability to clearly explain security concepts to technical and non‑technical stakeholders.

What Awaits You

• Be a part of our dynamic and innovative team.
• Share and see your ideas come to life in a collaborative environment.
• Fuel your curiosity in a learning‑centric culture.
• Experience a workplace where you're at the heart of it all.

What’s More

• Campus‑Style Office: A campus‑like workspace with PlayStation, table tennis, multiple meeting rooms, and cozy resting areas.
• Commute Perks: Additional compensation on top of your salary to support commuting expenses.
• Convenient Meals: Meal ticket card for nutritious dining options.
• Birthday Leave: Enjoy a paid day off on your birthday.
• Healthcare Coverage: Comprehensive private health insurance for your peace of mind.

Join Us on Our Journey

As we move confidently into the future, we invite you to be a part of our story. Together, we can unlock the full potential of businesses, uplift communities, and create a world where financial services empower every entrepreneur.

At Ödeal, innovation meets inclusivity, and the result is a brighter, more prosperous tomorrow.