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Systems Administrator

Caldas Da Rainha

Descrição da posição

We are seeking an IT Systems Administrator to join our technical team, responsible for maintaining, configuring, and troubleshooting Microsoft-based systems within the organization's IT infrastructure. The role also requires a solid understanding of networking concepts and the ability to configure, monitor, and troubleshoot network devices to ensure performance, availability, and security.

The professional will ensure the continuous operation of services and systems, both in cloud and on-premises environments, applying best practices in security, automation, and virtualization.

Key Responsibilities:
Install, configure, and manage Windows Server environments (2016, 2019, 2022), including performance monitoring, updates, and patch management.
Administer Active Directory (AD), including user and group account management, Group Policy Objects (GPOs), and access control.
Manage Microsoft 365 services, including Exchange Online, SharePoint, and Teams, ensuring proper user access and security policies.
Implement and enforce security measures, including multi-factor authentication, patching, and data protection compliance.
Automate system administration tasks using PowerShell scripting.
Manage virtual environments using Hyper-V or VMware, optimizing performance and resource allocation.
Network Administration: Configure, monitor, and troubleshoot switches, routers, and firewalls; manage IP addressing, subnetting, VLANs, routing, and basic network security policies.
Use monitoring tools (e.g., Microsoft System Center, Azure Monitor) to track system performance and detect issues.
Maintain and test backup and disaster recovery systems.
Provide second-level support for escalated issues, collaborating with the IT support team.
Document system configurations, processes, and incident resolutions.

Requirements

Proven experience with Windows Server (2016, 2019, 2022).
Strong knowledge of Active Directory (user management, GPOs, permissions).
Familiarity with Microsoft 365 (Exchange Online, SharePoint, Teams).
Proficiency in PowerShell scripting for automation.
Experience with virtualization platforms (Hyper-V, VMware).
Solid knowledge of networking concepts, including TCP/IP, IP addressing, subnetting, VLANs, routing, and basic firewall configuration.
Understanding of IT security best practices (e.g., multi-factor authentication, patch management).
Experience with system monitoring and performance optimization.
Backup and disaster recovery knowledge.
Problem-solving skills and a proactive approach.
Good communication and documentation abilities.

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