Job Summary: We are seeking a Senior Infrastructure Analyst to provide support, administration, and deployment of Windows servers, Active Directory, and virtualization in corporate environments. Key Highlights: 1. Strong performance in Windows server support and administration 2. Administration of essential services such as Active Directory and virtualization 3. Deployment of new environments and infrastructure projects This position is exclusively for a PJ (individual contractor) contract model. We seek a Senior Infrastructure Analyst with strong experience in supporting, administering, and deploying physical and virtual Windows servers, focused on on-premises and hybrid corporate environments. The professional will administer essential infrastructure services—including Active Directory, File Server, DNS, DHCP, GPOs, and virtualization—ensuring availability, security, performance, and adherence to operational best practices. **Responsibilities** 1. Windows Server Administration and Support * Administer physical and virtual Windows servers (Windows Server 2016, 2019, and 2022). * Provide environment support, performing incident troubleshooting, root cause analysis, and corrective actions. * Plan, execute, and document preventive and corrective maintenance activities. * Manage operating system updates (Windows Update / WSUS). * Monitor server availability, capacity, and performance. 2. Active Directory and Directory Services * Administer Active Directory Domain Services (AD DS) environments. * Create and maintain users, groups, OUs, and security policies. * Manage and implement Group Policies (GPOs) according to corporate standards. * Administer and support AD-integrated services, including: + DNS + DHCP + Authentication and authorization services * Work in multi-domain and multi-forest environments, including trust scenarios. 3. File Server and File Services * Administer Windows-based file servers (File Server). * Configure and manage NTFS permissions and network shares. * Implement access policies, disk quotas, and file auditing. * Support File Server reorganization, migration, or expansion projects. 4. Virtualization and Infrastructure * Administer virtualization environments, preferably Hyper-V and/or VMware. * Create, configure, and maintain Windows virtual machines. * Support capacity planning and infrastructure resource optimization. * Collaborate with network, storage, and security teams as required. 5. Deployment of New Environments and Projects * Participate in the deployment of new servers and infrastructure services. * Support operating system upgrade and environment consolidation projects. * Develop and maintain technical documentation for the environment (topologies, standards, and procedures). Requirements: * Solid experience administering Windows Server (physical and virtual). * Practical, in-depth knowledge of Active Directory (AD DS). * Experience creating and managing GPOs. * Administration experience with DNS, DHCP, and File Server in corporate environments. * Experience supporting infrastructure environments, including incident and problem resolution. * Knowledge of virtualization environments (Hyper-V and/or VMware). * Ability to analyze and troubleshoot critical environments. * Organizational skills and technical documentation of environments. Desirable (Differentiators): * Knowledge of enterprise backup tools. * Knowledge of Microsoft 365, especially in hybrid scenarios (AD + Entra ID). * Experience with Entra ID Connect (identity synchronization). * Intermediate PowerShell knowledge for administrative automation. * Experience with infrastructure monitoring tools. * Microsoft certifications (e.g., Windows Server, Hybrid Administrator) or VMware certifications. * Experience working in ITIL-compliant environments. Additional Information: * Contract exclusively under PJ (individual contractor) model; * Fixed monthly fee; * On-site work during the adaptation/knowledge absorption period.