Senior Cyber Security Lead: Threat Detection & Compliance

GİZLİ; Fatih; On-site; TRY 350,000 - 650,000; Full time

Job summary

GİZLİ is seeking an experienced Senior Cyber Security Specialist to join its Information Security team. You will manage enterprise security technologies, improve configurations, lead vulnerability management, and strengthen controls to protect critical information assets.

You will work across data, web app, endpoint, database, identity security, and security operations, supporting compliance, cyber resilience, and audits while delivering technical reports and executive summaries.

Qualifications

• Bachelor's degree in a relevant field.
• Minimum 5 years in Information/Cyber Security.
• Hands-on experience with enterprise security technologies.
• Experience with DLP, WAF, EDR/XDR, DAM, SIEM, and vulnerability management.
• Strong Windows Server, Active Directory, and Group Policy knowledge.
• Familiar with Linux, networks, and PKI/certificate management.
• Experience with CIS Benchmarks and ISO/IEC 27001, NIST.
• Certifications such as CISSP/CISM or equivalent preferred.

Responsibilities

• Manage and maintain DLP solutions and data protection initiatives.
• Develop and monitor DLP policies and investigate data leakage incidents.
• Manage WAF solutions and improve protection against OWASP Top 10 threats.
• Perform WAF rule tuning and support security assessments.
• Administer EDR/XDR platforms and investigate incidents.
• Develop detection use cases and contribute to threat hunting.
• Monitor DAM solutions and critical database activities.
• Develop controls to detect unauthorized data access.
• Strengthen Active Directory security configurations and Group Policy standards.
• Support IAM processes and privileged account controls.
• Lead vulnerability management including risk assessment and remediation coordination.
• Prepare technical reports and executive summaries.

Skills

Analytical thinking

Problem-solving

Incident analysis

Stakeholder management

Teamwork

Communication

Education

Bachelor's degree in Computer Science, Computer Engineering, Cyber Security, Information Systems

Tools

DLP

WAF

EDR/XDR

DAM

SIEM

Vulnerability Management

Security Hardening

Windows Server

Active Directory

Group Policy

Linux

PKI

Certificate Management

Job description

GİZLİ is seeking an experienced Senior Cyber Security Specialist to join its Information Security team. You will manage enterprise security technologies, improve configurations, lead vulnerability management, and strengthen controls to protect critical information assets.

You will work across data, web app, endpoint, database, identity security, and security operations, supporting compliance, cyber resilience, and audits while delivering technical reports and executive summaries.