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Senior Windows System Administrator

5 - 7 years

0 Lacs

Posted:3 weeks ago| Platform: Linkedin logo

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Job Type

Full Time

Job Description

Immediate Joiner!!! Job Summary We are seeking a skilled Windows System Administrator to join our IT team. The ideal candidate will be responsible for managing, configuring, and maintaining Windows-based systems, servers, and cloud environments to ensure stability, security, and performance. This role involves administering on-premises infrastructure (Windows Server, Active Directory, Exchange) and cloud platforms (Microsoft Azure, Microsoft 365), implementing security measures like MFA/2FA, and supporting virtualization technologies (VMware, Hyper-V). The candidate will collaborate with cross-functional teams to deliver robust IT solutions that align with organizational goals. Key Responsibilities System Administration : Install, configure, and maintain Windows Server environments (2016/2019/2022), including Active Directory Domain Services (AD DS), DNS, DHCP, and Group Policy. Manage Microsoft Exchange Server (on-premises/hybrid) or Exchange Online for email and collaboration services. Monitor system performance, troubleshoot issues, and ensure high availability using tools like Windows Admin Center and PowerShell. Cloud Management : Administer Microsoft Azure environments, including virtual machines, networking, storage, and Azure Active Directory (Entra ID). Implement and manage Microsoft 365 services, including user management, licensing, and security configurations. Deploy and maintain hybrid cloud solutions using Azure Arc and Azure AD Connect for seamless identity synchronization. Virtualization : Manage VMware vSphere environments, including ESXi hosts, vCenter, and virtual machine deployments. Configure and maintain Hyper-V virtual machines, ensuring optimal performance and resource allocation. Security & Compliance : Implement and manage Multi-Factor Authentication (MFA) and Two-Factor Authentication (2FA) across on-premises and cloud platforms. Enforce security policies, patch management, and compliance using Microsoft Defender for Cloud and Azure Policy. Perform regular security audits and respond to incidents to mitigate risks. Automation & Scripting : Develop and maintain PowerShell scripts to automate routine tasks, such as user provisioning, system monitoring, and backup processes. Utilize automation tools to streamline infrastructure management and improve operational efficiency. Documentation & Collaboration : Create and maintain detailed system documentation, including configurations, troubleshooting guides, and disaster recovery plans. Collaborate with network engineers, security administrators, and Microsoft 365 administrators to support enterprise-wide initiatives. Support & Troubleshooting : Provide Tier 2/3 support for Windows-based systems, resolving complex technical issues related to servers, desktops, and network devices. Ensure minimal downtime by implementing high-availability solutions like Windows Failover Clustering. Qualifications Education : Bachelor’s degree in Computer Science, Information Technology, or a related field (or equivalent work experience). Experience : Minimum of 5-7 years of experience managing Windows Server environments and related technologies. Proven expertise in Microsoft Exchange, VMware vSphere, and Hyper-V virtualization. Hands-on experience with Microsoft Azure and Microsoft 365 administration. Familiarity with hybrid infrastructure and cloud integration (e.g., Azure AD Connect, Azure Arc). Certifications (Preferred): Microsoft Certified: Azure Administrator Associate (AZ-104). Microsoft 365 Certified: Enterprise Administrator Expert or Endpoint Administrator Associate. VMware Certified Professional – Data Center Virtualization (VCP-DCV). Legacy certifications like MCSE: Core Infrastructure or MCP are a plus. Technical Skills : Deep expertise in Active Directory, DNS, DHCP, and Group Policy management. Proficiency in PowerShell scripting and automation. Strong understanding of networking protocols (TCP/IP, VPNs, firewalls) and security best practices. Experience with backup solutions, disaster recovery planning, and system monitoring tools (e.g., SCCM, SCOM). Soft Skills : Excellent problem-solving skills and attention to detail. Strong communication skills to collaborate with technical and non-technical stakeholders. Ability to work independently and as part of a team in a fast-paced environment. Preferred Qualifications Experience with advanced Active Directory features, such as FSMO roles or AD Federation Services (AD FS). Knowledge of Microsoft Intune for endpoint management. Familiarity with other cloud platforms (e.g., AWS) or configuration management tools (e.g., Ansible). Experience leading infrastructure projects or mentoring junior administrators. Show more Show less

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