Senior System Engineer

Job description

About the Team At Trendyol Tech, our mission is to create a positive impact in our ecosystem by enabling commerce through technology. We solve complex problems with data, creativity, and agility — always driven by real outcomes. With a culture built on learning, collaboration, and ownership, we grow together while building what’s next. About the Role In this role, you will be responsible for the architectural design, operational continuity, and evolution of the organization’s Identity and Collaboration platforms, including Active Directory, Windows DNS, Exchange Server (On-Prem & Online), Azure / Entra ID, and Google Workspace. As a Senior Engineer, you will own hybrid identity architectures end-to-end, managing AD–Azure AD integrations, mail flow dependencies, and authentication flows at a system level. You will ensure high availability and security across Exchange environments (On-Prem, Hybrid, and Online) while deeply managing the impact of Windows DNS and core directory services on critical platforms. Responsibilities: - Own the design, operation, and continuity of Active Directory, Azure AD (Entra ID), Windows DNS, Exchange (On-Prem & Online), and Google Workspace infrastructu...