Cyber Security Engineer

Ödeal; Fatih; On-site; TRY 300,000 - 420,000; Full time

Benefits offered by this job

Campus-Style Office

Commute Perks

Meal Ticket Card

Birthday Leave

Healthcare Coverage

Job summary

Ödeal is seeking a Cyber Security Engineer to strengthen detection, response, and defensive security operations. You will manage SIEM, audit logging, and WAF/EDR, while leading incident response and maturing IR playbooks.

The role requires 4+ years in cybersecurity, experience in fintech or regulated sectors is a strong plus, and strong Turkish-English communication. Join a fast-growing fintech with a campus-style office and comprehensive benefits.

Qualifications

• Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or a related field.
• Minimum 4 years of professional cybersecurity experience.
• Experience in fintech/banking or regulated industries is a plus.
• Hands-on experience with SIEM platforms, audit logging, and security monitoring at scale.
• Strong knowledge of log management on clustered technologies (Elastic/OpenSearch, Kafka, etc.).
• Familiarity with open-source security solutions.
• Experience with incident response, EDR, email security, and WAF management.
• Strong analytical skills and proactive problem-solving mindset.
• Excellent written and verbal communication in Turkish and English.

Responsibilities

• Manage and improve the SIEM platform, onboarding log sources, rules, alerts, and dashboards.
• Own end-to-end audit log management with tamper-resistant collection and retention.
• Lead incident response activities from detection to post-incident review and refine IR playbooks.
• Administer core defensive tooling: EDR, email security, and endpoint protection; tune for security and operations.
• Manage WAF configuration and tuning to protect web apps and APIs.
• Design and operate robust, HA log management solutions using open-source tech.
• Mentor junior security engineers and grow the team’s overall capability.

Skills

SIEM management

Audit logging

Incident response

Log management

Open-source security tools

Turkish & English

Education

Bachelor's degree in CS/Cybersecurity/IT

Tools

Elastic/OpenSearch

Kafka

EDR

WAF

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.