System Administration and Security Specialist

Aygaz A.Ş.; Fatih; Vor Ort; TRY 350.000 - 600.000; Vollzeit

Zusammenfassung

Aygaz A.Ş. in Istanbul seeks an experienced Cloud & Infrastructure Engineer to design and optimize Microsoft's Azure and 365 environments. You will manage hybrid on-prem and cloud architectures, monitor security posture, and drive cost efficiency across resources and services.

The role requires strong Linux/Windows Server administration, hands-on automation with PowerShell or Azure CLI, and solid English for technical documentation and collaboration with global teams.

Qualifikationen

• Graduate from related departments (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 (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

Aufgaben

• 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

Ausbildung

Bachelor's degree in related fields

Tools

PowerShell

Azure CLI

Jobbeschreibung

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