System Specialist

Wideandwise; Çankaya; On-site; TRY 180,000 - 240,000; Full time

Job summary

Wideandwise seeks a System and Operational Security Specialist to maintain a robust, secure IT infrastructure across on-premises and cloud services. You will implement security configurations, monitor endpoint protection, and manage identity lifecycles within AD/Azure AD.

The role requires hands-on experience with Windows/Linux server environments, M365 management, and adherence to KVKK and ISO 27001 standards, with preferred security certifications.

Qualifications

• Bachelor's degree in Computer Engineering, Software Engineering, Information Systems, Electrical-Electronics Engineering, or related fields.
• 2+ years in Windows Server and Linux operating systems.
• 2+ years in Active Directory, Exchange management, and Microsoft 365 administration.
• 2+ years in cloud systems and security principles.
• 2+ years of hands-on experience with ISO 27001 and KVKK (Data Privacy) regulations.
• ISO 27001 Lead Auditor (LA) certification and Microsoft or equivalent certifications preferred.

Responsibilities

• Support security configurations (hardening) across servers, OS, and enterprise apps.
• Monitor endpoint security software health and investigate incidents.
• Manage user lifecycles in AD and Azure AD; report on privileged accounts.
• Perform core admin tasks across M365, Exchange, SharePoint, OneDrive, Teams.
• Support ISO 2701, KVKK, and internal policy compliance; assist audits.

Skills

Windows Server administration

Linux administration

IAM management

Threat monitoring

Education

Bachelor's degree in Computer Engineering / related field

Tools

Active Directory

Azure AD

Exchange management

Microsoft 365 administration

ISO 27001 compliance

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 2701, 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 2701 and KVKK (Data Privacy) regulations.
• Certification: Possession of ISO 27001 Lead Auditor (LA) certification and Microsoft or equivalent technical certifications is highly preferred.