Microsoft System Administrator

Microsoft Platform Engineer & Administrator

Are you passionate about building secure, resilient, and high-performance enterprise environments? We’re looking for an experienced professional to manage and optimize enterprise workloads that support the development and operation of mission-critical information systems.

This role combines hands-on system administration with engineering expertise to design, maintain, and continuously improve scalable and secure platforms across Windows infrastructure, Dynamics 365, SharePoint, IIS, and SQL Server environments.

Responsibilities

• Manage, maintain, and optimize Windows Server and Active Directory services (AD, DNS, DHCP, Group Policy, patching, hardening).
• Install, configure, patch, upgrade, and integrate Dynamics 365 (on-premises) with third-party systems.
• Deploy, configure, and administer SharePoint farms, workflows, and search services.
• Install, configure, optimize, and secure IIS environments, including SSL/TLS lifecycle management.
• Administer and optimize SQL Server databases, implementing HA/DR strategies (Always On, clustering, replication, backup/restore).
• Design and implement backup and disaster recovery strategies for enterprise workloads.
• Monitor and troubleshoot systems using tools such as Dynatrace, SCOM, and Nagios.
• Implement security controls and ensure compliance with EU regulations and corporate policies.
• Collaborate with developers, DevOps engineers, and stakeholders to deploy and maintain enterprise services.
• Develop automation scripts and workflows using PowerShell and DevSecOps practices.
• Produce structured technical documentation and contribute to technical working groups.

Experience

• Certification: Windows Server Hybrid Administrator Associate OR Dynamics 365 Fundamentals (CRM or ERP).
• Minimum 5 years of experience managing Microsoft infrastructure (Windows Server, Active Directory, IIS, SQL Server); Dynamics 365 required, SharePoint is a plus.
• At least 5 years of experience delivering secure, high-availability enterprise platforms.
• Strong experience with DevSecOps practices, automation, and CI/CD pipelines.
• Expertise in authentication and identity management (OAuth, Kerberos, NTLM, WS-Fed, SAML, OpenID Connect).
• Proven PowerShell scripting and automation experience.
• B2 level English proficiency or higher.