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Aktif
Hibrit
İstanbul, Türkiye
Yayınlandı · 03.08.2026
LinkedIn Jobs Türkiye

# System Administration and Security Specialist

Aygaz A.Ş.

General Qualifications Graduate of related departments from universities (Computer Engineering, Electrical-Electronics Engineering, etc.) At least 5 years of experience in cloud and system infrastructure fields Strong operational and management experience in Microsoft Azure and Microsoft 365 environments Experienced in Hybrid (on-prem + cloud) architectures Proficient in Linux (preferably Ubuntu, CentOS) and Windows Server systems Good level of technical English Advanced analytical thinking, problem-solving, and crisis management skills Disciplined in documentation and process management with a proactive work approach Technical Responsibilities Design, installation, and continuous improvement of Azure infrastructure Management of Azure cost optimization and resource utilization Management of Azure network components (VNet, subnet, NSG, route table, VPN, peering) Administration of Microsoft 365 services (Exchange Online, Teams, SharePoint, OneDrive) Management of the Microsoft Defender product family (Cloud, Office 365, Endpoint) Management of Microsoft Entra ID (Azure AD), Conditional Access, and identity management processes Monitoring Azure Security Center recommendations and increasing the security level (Secure Score) of systems Tracking Microsoft Purview (Compliance) processes, managing identity based on the "Zero Trust" model (Conditional Access, MFA/PIM), and automating security standards with Azure Policy Management of Windows Server and Active Directory infrastructure Knowledgeable in VMware virtualization environments Execution of Backup, Disaster Recovery, and Business Continuity processes Taking an active role in infrastructure projects and improving operational processes Technical Competencies Required Experience in automation development using PowerShell, Azure CLI, or similar tools Command of TCP/IP, DNS, DHCP, Firewall, and basic networking concepts Experience in performance monitoring, capacity planning, and system optimization Knowledge of security best practices and the Zero Trust approach Proficiency in regulatory processes such as ISO 27001 and KVKK / GDPR

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