Windows System Administrator L3

Amsys It Services; Mumbai, Thane; On-site; INR 1,200,000 - 1,800,000; Full time

Benefits offered by this job

Job summary

Amsys It Services in Mumbai seeks a senior Windows and cloud administrator to manage Windows Server environments, AD, DNS, DHCP, and hybrid cloud setups. You will oversee Hyper-V/VMware and Azure Virtual Desktop, perform patching, backups, and HA strategies, and drive migrations to O365, SharePoint Online, and Azure.

Responsibilities include strong O365/SharePoint expertise, Intune management, Power BI reporting, and Power Automate workflow design.

Qualifications

• 7+ years of Windows Server administration.
• 5+ years of Microsoft 365 & Azure Administration.
• Strong knowledge of Active Directory, Group Policy, DNS, DHCP.
• Expertise in SharePoint Online/On-Prem, Power BI, and Power Automate.
• Proven track record in O365/Exchange Online migrations and SharePoint migrations.
• Experience with Intune, Endpoint Manager, and security tools.
• Solid understanding of networking fundamentals (TCP/IP, VPN, firewalls, load balancers).
• Strong scripting skills in PowerShell for automation and administration.
• Excellent troubleshooting, analytical, and problem-solving abilities.

Responsibilities

• Manage, configure, and troubleshoot Windows Server environments (AD, DNS, DHCP, Group Policy, File/Print services).
• Maintain virtualized environments (Hyper-V, VMware, or Azure Virtual Desktop).
• Perform patch management, upgrades, and system performance optimization.
• Implement backup, disaster recovery, and high-availability strategies.
• Administer O365 tenant services including Exchange Online, Teams, OneDrive, and SharePoint Online.
• Manage Azure AD, Conditional Access Policies, Security & Compliance Center.
• Configure and maintain Intune MDM/MAM for endpoint security and compliance.
• Support hybrid environments (on-premises AD + Azure AD Connect).
• Administer and support SharePoint Online/On-Prem, including site collections, permissions, and workflows.
• Design, implement, and maintain Power Automate solutions for business process automation.
• Develop Power BI dashboards and reports integrating data from multiple sources.
• Collaborate with stakeholders to optimize collaboration and reporting platforms.
• Lead and execute migrations to O365, SharePoint Online, and Azure.
• Perform email and data migrations (Exchange, PST, file shares, SharePoint, legacy systems).
• Ensure minimal downtime and data integrity during migration processes.
• Implement identity and access management (IAM) best practices.
• Monitor and respond to security alerts and incidents across O365/Azure.
• Ensure compliance with regulatory standards (ISO, SOC2, HIPAA, etc.).
• Provide L3 support for escalated incidents and problem management.
• Create documentation, SOPs, and runbooks for IT operations.
• Mentor L1/L2 engineers in troubleshooting and best practices.

Skills

Windows Server

Microsoft 365

Azure Administration

Active Directory

Group Policy

DNS

DHCP

SharePoint Online

Power BI

Power Automate

Intune

Endpoint Manager

PowerShell

Networking fundamentals

Troubleshooting

Tools

Quest

BitTitan

ShareGate

Job description

Key Responsibilities

Windows & Infrastructure Administration

• Manage, configure, and troubleshoot Windows Server environments (AD, DNS, DHCP, Group Policy, File/Print services).
• Maintain virtualized environments (Hyper-V, VMware, or Azure Virtual Desktop).
• Perform patch management, upgrades, and system performance optimization.
• Implement backup, disaster recovery, and high-availability strategies.

Microsoft 365 & Azure Administration

• Administer O365 tenant services including Exchange Online, Teams, OneDrive, and SharePoint Online.
• Manage Azure AD, Conditional Access Policies, Security & Compliance Center.
• Configure and maintain Intune MDM/MAM for endpoint security and compliance.
• Support hybrid environments (on-premises AD + Azure AD Connect).

SharePoint & Power Platform

• Administer and support SharePoint Online/On-Prem, including site collections, permissions, and workflows.
• Design, implement, and maintain Power Automate (Flow) solutions for business process automation.
• Develop Power BI dashboards and reports integrating data from multiple sources.
• Collaborate with business stakeholders to optimize collaboration and reporting platforms.

Migration Projects

• Lead and execute migrations to O365, SharePoint Online, and Azure.
• Perform email and data migrations (Exchange, PST, file shares, SharePoint, legacy systems).
• Ensure minimal downtime and data integrity during migration processes.

Security & Compliance

• Implement identity and access management (IAM) best practices.
• Monitor and respond to security alerts and incidents across O365/Azure.
• Ensure compliance with regulatory standards (ISO, SOC2, HIPAA, etc.).

Support & Mentorship

• Provide L3 support for escalated incidents and problem management.
• Create documentation, SOPs, and runbooks for IT operations.
• Mentor and guide L1/L2 engineers in troubleshooting and best practices.

Required Skills & Experience

• 7+ years of experience in Windows Server administration.
• 5+ years of hands-on experience with Microsoft 365 & Azure Administration.
• Strong knowledge of Active Directory, Group Policy, DNS, DHCP.
• Expertise in SharePoint Online/On-Prem, Power BI, and Power Automate.
• Proven track record in O365 / Exchange Online migrations and SharePoint migrations.
• Experience with Intune, Endpoint Manager, and security tools.
• Solid understanding of networking fundamentals (TCP/IP, VPN, firewalls, load balancers).
• Strong scripting skills in PowerShell for automation and administration.
• Excellent troubleshooting, analytical, and problem-solving abilities.

Preferred Qualifications

• Microsoft certifications (MCSE, MS-100, MS-101, AZ-104, AZ-305, etc.).
• Experience with hybrid cloud environments.
• Familiarity with third-party migration tools (Quest, BitTitan, ShareGate, etc.).
• Knowledge of SIEM, SOC monitoring, and advanced security tools.