Job Summary

The Lead - System Administration will be responsible for the overall operation, availability and improvement of the organizations internal server and systems infrastructure. The role will lead day-to-day infrastructure operations, coordinate the system administration team and ensure that enterprise platforms are secure, reliable, monitored, backed up and maintained.

Responsibilities

- Lead day-to-day internal IT infrastructure operations across servers, virtualization, storage, backup, cloud and related platforms.

- Oversee administration of Windows and Linux servers, Active Directory, DNS, DHCP, Group Policy and identity-related services.

- Oversee Microsoft 365, Exchange Online, Entra ID, Azure and other internal cloud services as applicable.

- Manage VMware/Hyper-V or equivalent virtualization environments and ensure appropriate capacity and availability.

- Ensure timely patching, vulnerability remediation, security hardening, monitoring and performance management.

- Oversee backup, restore, disaster recovery and business continuity activities, including periodic recovery validation.

- Drive resolution of critical infrastructure incidents and ensure Root Cause Analysis and preventive actions for recurring issues.

- Plan and coordinate server upgrades, migrations, infrastructure refresh and lifecycle management activities.

- Coordinate with network, security, application, database and business teams for infrastructure requirements and issue resolution.

- Maintain infrastructure inventory,



licensing records, SOPs, diagrams and operational documentation.

- Ensure changes are planned and implemented through defined change management processes.

- Coordinate with OEMs and support partners for escalations, renewals and technical support.

- Identify opportunities for standardization and automation using PowerShell/scripting or suitable tools.

- Guide and mentor system administrators and support engineers and review operational work where required.

- Ensure infrastructure services meet agreed SLA, availability and security requirements.

Required Skills

- Windows and Linux administration

- Active Directory, DNS, DHCP and Group Policy

- VMware/Hyper-V virtualization

- Microsoft 365, Entra ID and Azure

- Backup and disaster recovery

- Server security, hardening and vulnerability remediation

- Monitoring, performance and capacity management

- PowerShell/scripting

- Incident, problem and change management

Qualifications

- Bachelor's degree in IT, Computer Science, Engineering or equivalent.

- 8-12 years of relevant experience in enterprise IT infrastructure operations.

- Microsoft, VMware, Red Hat or Azure certifications preferred.

- ITIL certification preferred.

Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.

📌 Lead - IT Infra (Mumbai)
🏢 Trigyn Technologies
📍 Mumbai