Job Title: System Administrator Role Summary

The System Administrator L2/L3 provides advanced technical support for end user computing devices, servers, and core IT infrastructure. Candidates should have 5–7 years of hands-on experience in system administration and infrastructure management, including patching, server administration, security monitoring, and compliance. This role ensures operational stability and guides L1/L2 teams in a multi-tier support setting.

Key Responsibilities
- Provide L2/L3 support for hardware, software, and network issues (remote diagnostics, advanced configuration, problem replication)
- Manage end user computing device patching, OS/application updates, and endpoint protection (Intune, Autopilot, Azure AD, Windows 10/11, Endpoint Manager, M365 Apps).
- Manage the configuration, optimization, and integration of Microsoft 365 services (All Associated Apps), including account administration, security settings, and workflow automation, while providing user training and best practice guidance to enhance adoption and efficiency.




- Administer and maintain servers, Active Directory, Azure Intune, DNS, DHCP, file servers, backup/restore, and server security monitoring
- Perform asset lifecycle management, device imaging, deployment, and asset tracking
- Conduct root cause analysis and implement fixes in infrastructure, software, or codebase
- Lead post-incident reviews and guide L1/L2 teams
- Monitor system activity for stability and proactively resolve issues
- Implement and maintain endpoint protection (anti-virus, EDR) on all supported devices
- Enforce secure configuration baselines (CIS Benchmarks)
- Support Zero Trust Network Access / MFA for remote access and privileged accounts
- Maintain audit logs for administrative actions and participate in security incident response
- Manage backup solutions, restore data, and ensure compliance with retention policies
- Troubleshoot and resolve issues related to DNS, DHCP, file servers, and ba

📌 It System Administrator (India)
🏢 Marmon Technologies India
📍 India