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.