Software Maintenance Engineer (3rd Line)

We are looking for an experienced Software Maintenance Engineer (3rd Line) to join our existing team. The scope of work involves maintaining and improving customer infrastructure built on the Microsoft technology stack, ensuring stability, security, and continuous improvement across a wide range of enterprise services. Responsibilities Maintain and improve customer infrastructure related to the Microsoft technology stack Administer and support Active Directory Domain Services along with related roles and services Manage Public Key Infrastructure through AD CS Support and troubleshoot Failover Clustering environments Oversee Active Directory Federation Services and Network Policy and Access Services (NPAS) Handle Key Management Services (KMS) and SQL Always On/Availability Group configurations Administer Remote Desktop Services and Microsoft Identity Manager 2016 Provide endpoint management support using System Center Configuration Manager and/or Tanium Maintain Exchange 2016 and Office 365 environments Manage Azure identity and security, Intune/Co-management with SCCM, and M365 security features, including sensitivity labels and DLP Support Windows Server operating systems ranging from 2008 to 2019 Requirements 3+ years of hands-on experience in a Software Maintenance or Infrastructure Engineering role Expertise in Active Directory Domain Services, AD CS (Public Key Infrastructure), and Active Directory Federation Services Proficiency in Failover Clustering, NPAS (Network Policy and Access Services), and KMS Background in SQL Always On/Availability Group and Remote Desktop Services Knowledge of Microsoft Identity Manager 2016 Skills in endpoint management using System Center Configuration Manager and/or Tanium Competency in Exchange 2016 and Office 365 administration Familiarity with Azure identity/security, Intune/Co-management with SCCM, and M365 security (sensitivity labels, DLP) Understanding of Windows Server operating systems from 2008 through 2019 Minimum English language level of B1+