Senior System Administrator

Job Description:

• We are looking for an experienced Senior System Administrator with strong L3 support capabilities to manage and support our Microsoft 365 and Azure environments.
• The ideal candidate will have hands-on experience with Office 365, Intune, Azure, Entra ID, Windows Servers, and endpoint management solutions.
• This role involves troubleshooting complex issues, ensuring system security, optimizing performance, and the adoption of new Microsoft technologies.

Roles & Responsibilities:

• Provide Level 3 technical support across Microsoft 365, Azure, Windows Server, and client systems.
• Administer, configure, and maintain Office 365 services: Exchange Online, SharePoint, Teams/Channels, OneDrive, OneNote, Viva Engage, and Stream.
• Manage user identities and access using Azure AD / Entra ID, including SSO, MFA, Conditional Access, and RBAC.
• Administer device management using Microsoft Intune and/or ManageEngine Endpoint Central Cloud.
• Oversee email security, including DLP policies, sensitivity labels, compliance rules, and message hygiene.
• Perform vulnerability scanning and implement patch management for servers, endpoints, and Office 365 workloads.
• Implement and manage monitoring solutions (Azure Monitor, Log Analytics, Microsoft Sentinel) to ensure infrastructure visibility and proactive issue resolution.
• Automate and manage software deployments and OS rollouts across hybrid environments.
• Perform advanced troubleshooting on Windows 10/11 and Windows Server 2016/2019/2022 environments.
• Manage Active Directory, DNS, DHCP, GPOs, and core network services.
• Maintain and support virtualization technologies (VMware, Hyper-V) and data backup solutions.
• Troubleshoot network-related issues and maintain LAN/WAN connectivity, VPNs, and remote access.
• Write and maintain PowerShell scripts for automation and administrative tasks.
• Regularly research and evaluate new Microsoft 365 features, security enhancements, and tools; plan and implement relevant updates.
• Maintain system security by applying SSL certificates, antivirus policies, and best practices.
• Document technical procedures, configurations, and troubleshooting steps.
• Collaborate on IT projects and system upgrades with cross-functional teams.