Job Description Job Title: System Administrator Role Summary
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nThe 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.
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n Key Responsibilities
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- Provide L2/L3 support for hardware, software, and network issues (remote diagnostics, advanced configuration, problem replication)n
- Manage end user computing device patching, OS/application updates, and endpoint protection (Intune, Autopilot, Azure AD, Windows 10/11, Endpoint Manager, M365 Apps).n
- 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.n
- Administer and maintain servers, Active Directory, Azure Intune, DNS, DHCP, file servers, backup/restore, and server security monitoringn
- Perform asset lifecycle management, device imaging, deployment, and asset trackingn
- Conduct root cause analysis and implement fixes in infrastructure, software, or codebasen
- Lead post-incident reviews and guide L1/L2 teamsn
- Monitor system activity for stability and proactively resolve issuesn
- Implement and maintain endpoint protection (anti-virus, EDR) on all supported devicesn
- Enforce secure configuration baselines (CIS Benchmarks)n
- Support Zero Trust Network Access / MFA for remote access and privileged accountsn
- Maintain audit logs for administrative actions and participate in security incident responsen
- Manage backup solutions, restore data, and ensure compliance with retention policiesn
- Troubleshoot a

📌 IT System Administrator (Bengaluru)
🏢 Marmon Technologies India
📍 Bengaluru