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Yayınlandı · 22.09.2026
LinkedIn Jobs Türkiye

# System Administration Lead

Entek Elektrik

In addition to playing a critical role in advancing Koç Group's green energy goals, Entek operates with the sense of responsibility that comes with being a leader in Turkey's renewable energy sector. You too can be part of Entek's inspiring journey, as we follow our ambitious roadmap to achieving carbon neutrality by 2050. As Entek Elektrik, a company within Koç Holding's energy division and a key player in the energy sector, we have been active in every stage of the sector's value chain since we began our operations in 1995. With the vision of becoming a pioneering next-generation company in the energy sector, we continue to invest in both domestic and international renewable energy sources while advancing new technologies in the industry. In line with this vision, we generate electricity through our 11 power plants. Qualifications Bachelor’s degree in Computer Engineering, Information Technologies, Informatics, Telecommunications or a related field. Minimum 3 years of experience in system and infrastructure administration, including Windows operating systems and Windows Server environments. Experience with Active Directory, DNS, DHCP, Group Policy, certificate infrastructures, Microsoft Entra ID (Azure AD), Azure and Microsoft 365 platforms. Experience with Microsoft Intune, SCCM/MECM and MDM solutions for device, inventory, application and patch management. Knowledge of Conditional Access, MFA, SSO, device compliance policies, Microsoft Defender and endpoint security solutions. Ability to perform basic automation and system administration tasks using PowerShell and experience in log analysis and troubleshooting. Basic knowledge of networking technologies including firewall, switch, router, LAN/WAN and VPN. Knowledge of backup, disaster recovery, business continuity, ITIL processes, Incident, Problem and Change Management, information security and ISO 27001 practices. Strong analytical thinking, problem-solving and communication skills, with a collaborative mindset and a passion for continuous learning. Proficiency in technical English. Responsibilities Managing installation, administration, maintenance and monitoring activities of Windows Server and Microsoft infrastructures. Managing Active Directory, DNS, DHCP, Group Policy, certificate infrastructures and Microsoft Entra ID services. Managing Azure, Microsoft 365 and Intune environments, including device inventory, configuration, application, patch and compliance processes. Supporting the implementation and administration of Conditional Access, MFA, endpoint security and Microsoft Defender solutions. Analyzing system issues, identifying root causes and developing permanent solutions while monitoring system performance, availability, redundancy and security. Providing remote and on-site support to users and IT infrastructures across different locations when required. Contributing to IT projects, infrastructure integrations, backup, disaster recovery and business continuity processes. Maintaining system, application and license inventories and preparing technical documentation. Supporting technical activities with vendors and technology partners while contributing to the security, continuity and continuous improvement of the IT infrastructure. By joining us; We operate in the fast-evolving and growing energy sector. By joining Entek, a dynamic and expanding company in the sector, you can gain diverse experiences. You can network within the Koç Group and participate in various working groups. You can benefit from the unlimited and free "Koç Group Exclusive Healthy Living Program" service offered by Koç Healthcare. You will have continuous learning and development opportunities through technical, leadership, and personal development training programs, which are industry-leading and help you specialize in your field. By participating in agile projects that align with your interests, you can get to know various functions and develop different competencies. You will have the opportunity to work in a dynamic, diverse, collaborative, talented, and high-performing team. You can benefit from individual mentoring and consultancy support with our development tools. We care about the mental and physical well-being of our employees. You can take advantage of our online psychologist and dietitian services. We provide our colleagues a hybrid working model and flexible working hours. Employee Experience at Entek

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