Senior System Infrastructure Specialist

About the role

Arvato, a Bertelsmann subsidiary and global provider of e-commerce and supply chain services, is hiring a Senior System Infrastructure Specialist in Istanbul. The role covers enterprise virtualization, cloud and hybrid infrastructure, server administration, backup and recovery, and collaboration with DevOps teams.

Key responsibilities

• Manage and optimize enterprise virtualization infrastructure (VMware vSphere, ESXi, vCenter, vSAN) for high availability and performance
• Administer Microsoft Azure IaaS and hybrid environments, including cloud networking, identity management and integration with on-premises datacenters
• Manage Windows Server and Linux environments, including Active Directory, DNS, DHCP and Group Policy
• Monitor and optimize performance, capacity, availability, security and operational costs
• Manage enterprise backup and recovery, ensuring data protection and disaster recovery readiness
• Perform maintenance, patch management, troubleshooting and root cause analysis
• Maintain technical documentation and work with application, network, security and DevOps teams
• Support infrastructure connectivity and DevOps needs, including enterprise networking, CI/CD pipelines, containerization and Kubernetes

Required profile

• Bachelor's degree in Computer Engineering, Information Technology or a related field
• 6-8 years of experience in system administration, IT infrastructure or similar roles
• Strong hands-on experience with VMware vSphere, ESXi, vCenter and vSAN, and practical experience with Microsoft Azure IaaS and hybrid environments
• Good understanding of datacenter operations, infrastructure monitoring, performance management and troubleshooting
• Knowledge of enterprise networking (LAN, WAN, VLAN, VPN, routing, firewalls)
• Familiarity with DevOps, CI/CD, containerization, Kubernetes, ISO 27001 and ITIL
• Good command of written and spoken English; residence on the Asian side of Istanbul is preferred
• Valid Class B driving license

Required skills

• VMware vSphere, ESXi, vCenter, vSAN
• Microsoft Azure IaaS, Windows Server, Active Directory, DNS, DHCP, Group Policy
• Linux administration
• Backup and recovery, preferably Veeam
• High availability and disaster recovery concepts

What we offer

• A global work environment with exposure to international teams and operations
• Opportunities for professional growth, learning and career development
• A collaborative and supportive team culture
• Being part of Bertelsmann SE & Co. KGaA