System and Operational Security Specialist

About the role

A leading software and technology services company, part of one of Turkey's most established holding groups, is looking for a System and Operational Security Specialist. The role plays a key part in keeping the company's technological infrastructure secure, resilient and compliant.

Key responsibilities

• Implement security hardening across servers, operating systems and enterprise applications, and ensure server and service access follows corporate security policies.
• Monitor endpoint security software (antivirus, EDR) and support investigations of incidents such as spam, phishing and malware.
• Manage user account lifecycles in Active Directory and Azure AD, and track and report on privileged accounts.
• Perform administrative and security tasks on Microsoft 365, Exchange, SharePoint, OneDrive and Teams.
• Support ISO 27001, KVKK (GDPR) and internal information security compliance, and prepare technical documentation for audits.

Required profile

• Bachelor's degree in Computer Engineering, Software Engineering, Information Systems, Electrical-Electronics Engineering or a related field.
• At least 2 years of experience managing Windows Server and Linux systems.
• At least 2 years of experience with Active Directory, Exchange and Microsoft 365.
• At least 2 years of hands-on experience with ISO 27001 and KVKK (data privacy).
• ISO 27001 Lead Auditor (LA) certification and Microsoft or equivalent technical certifications are highly preferred.