Lead System Administrator & Infrastructure

KEY RESPONSIBILITY . 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.

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.