System Specialist

Wideandwise; Çankaya; On-site; TRY 60,000 - 80,000; Full time

Job summary

Wideandwise is seeking a System and Operational Security Specialist to safeguard our client’s IT infrastructure. You will implement security configurations, supervise endpoint protection, and manage IAM within AD/Azure AD, while supporting Microsoft 365 administration and cloud security.

Proven experience in ISO 27001 and KVKK compliance is essential, with a preference for ISO 27001 LA certification. The role requires collaboration across security and IT operations in Turkey.

Qualifications

• Bachelor’s degree in a related field.
• At least 2 years of experience in Windows Server and Linux OS management.
• At least 2 years of experience in Active Directory, Exchange management, and Microsoft 365 administration.
• At least 2 years of experience in cloud systems and security principles.
• Minimum 2 years hands-on with ISO 27001 and KVKK regulations.
• ISO 27001 Lead Auditor certification and Microsoft or equivalent certifications preferred.

Responsibilities

• Support security configurations and hardening across servers and enterprise apps.
• Monitor endpoint security software and assist in incident investigations (spam, phishing, malware).
• Manage user lifecycles in AD/Azure AD and report on privileged accounts.
• Perform administrative tasks across Microsoft 365, Exchange, SharePoint, OneDrive, Teams.
• Assist with ISO 27001, KVKK compliance activities and audit documentation.

Skills

Security

Endpoint & Threat Mgmt

IAM

Cloud & Collaboration

Compliance & Audit

ISO 27001 Knowledge

Education

Bachelor’s degree in Computer/Software/Information Systems or related field

Tools

Active Directory

Azure AD

Microsoft 365 Admin

Windows Server

Linux

Job description

Our partner is a leading software and technology services company operating under one of Turkey’s most prestigious and well‑established holding groups. They provide end‑to‑end digital transformation, software development, and IT consultancy services across the group’s diverse ecosystem.

We are looking for a System and Operational Security Specialist to join their dynamic team and play a key role in maintaining a robust, secure, and resilient technological infrastructure.

Job Description

• System & Application Security: Support the implementation of security configurations (hardening) across servers, operating systems, and enterprise applications. Ensure server and service access aligns with corporate security policies.
• Endpoint & Threat Management: Monitor the health and status of endpoint security software (Antivirus, EDR, etc.). Support the investigation of security incidents such as spam, phishing, and malware.
• Identity & Access Management (IAM): Manage user account lifecycles (creation, updates, offboarding) within Active Directory and Azure AD environments. Track and report on privileged accounts (admin, etc.).
• Cloud & Collaboration Platforms: Perform core administrative and security tasks across Microsoft 365, Exchange, SharePoint, OneDrive, and Teams environments.
• Compliance & Audit: Support activities related to ISO 27001, KVKK (GDPR), and internal information security policies. Contribute to the preparation of technical documentation for internal and external audit processes.

General Qualifications

• Bachelor’s degree in Computer Engineering, Software Engineering, Information Systems, Electrical‑Electronics Engineering, or related fields.
• System Administration: At least 2 years of experience in managing Windows Server and Linux operating systems.
• Platform Expertise: At least 2 years of experience in Active Directory, Exchange management, and Microsoft 365 administration.
• Cloud & Security: At least 2 years of experience in cloud systems and security principles.
• Frameworks & Regulations: Minimum 2 years of hands‑on experience with ISO 27001 and KVKK (Data Privacy) regulations.
• Certification: Possession of ISO 27001 Lead Auditor (LA) certification and Microsoft or equivalent technical certifications is highly preferred.