Lead System Administrator & Infrastructure

KEY RESPONSIBILITIES

1. Infrastructure Management

• Manage and maintain the organization’s enterprise infrastructure environment.
• Ensure infrastructure availability, stability, performance, and capacity.
• Drive infrastructure lifecycle management, upgrades, and continuous optimization.

2. Compute, Virtualization & Storage

• Administer enterprise compute, virtualization, and storage environments.
• Monitor resource utilization, capacity, and performance.
• Support infrastructure expansion, consolidation, and technology refresh initiatives.

3. Identity & Enterprise Systems

• Manage enterprise identity, authentication, access, and directory services.
• Administer core Windows and enterprise infrastructure services.
• Ensure appropriate access controls, policies, and operational standards.

4. Patch, Monitoring & Security Management

• Manage enterprise patching and infrastructure vulnerability remediation.
• Maintain proactive infrastructure monitoring and performance management.
• Support infrastructure security controls, compliance, and operational hardening.

5. Backup, Disaster Recovery & Business Continuity

• Manage enterprise backup and recovery operations.
• Maintain and test Disaster Recovery and Business Continuity capabilities.
• Ensure defined recovery objectives and infrastructure resilience are maintained.

6. Microsoft 365 & Collaboration Services

• Administer and support Microsoft 365 enterprise services.
• Manage service availability, configuration, security, and user access.
• Support collaboration and productivity platform adoption and optimization.

7. Cloud Infrastructure

• Administer and support enterprise cloud infrastructure across Azure and OCI.
• Monitor cloud performance, availability, security, and capacity.
• Support cloud migration, integration, optimization, and modernization initiatives.

8. Secure Connectivity & Remote Access

• Manage secure remote access and connectivity services.
• Ensure availability and security of remote infrastructure access.
• Support secure access requirements for users, applications, and operational teams.

9. Service Operations & Vendor Management

• Provide L2/L3 technical support and infrastructure troubleshooting.
• Manage incidents, problems, changes, and infrastructure-related service requests.
• Coordinate with technology vendors, partners, and service providers to ensure effective service delivery.

10. Infrastructure Projects & Continuous Improvement

• Participate in and deliver infrastructure projects, upgrades, and modernization initiatives.
• Identify opportunities for automation, standardization, and operational improvement.
• Maintain technical documentation, procedures, and infrastructure knowledge repositories.

DESIRED EXPERIENCE

8–12 years of relevant IT Infrastructure experience

3–5 years in a Senior / Lead Infrastructure Administration rolE

Qualification & Certifications

Bachelor’s degree in computer science, Information Technology, Engineering, or a related technical discipline.

Relevant professional certifications in infrastructure technologies are preferred.

Certifications:

Microsoft Certified: Windows Server / Azure Administrator

VMware VCP or equivalent virtualization certification

ITIL Foundation

Microsoft 365 / Security certifications

Cloud certification in Azure or OCI

Relevant backup, security, or networking certifications would be an advantage.