Hi,

We are having an opening for IT Infrastructure Lead Chennai India

Role Summary:
The IT Infrastructure Lead is responsible for designing, managing, and supporting enterprise IT infrastructure across Microsoft 365, Active Directory, Exchange, multi-cloud platforms (OCI, AWS, Azure, GCP), and on-premise environments. The role ensures high availability, security, scalability, and alignment of IT architecture with business objectives while leading operations, support teams, and vendors.
Working Days: Monday Friday
Job Timing: Day Shift
PositionIT Infrastructure LeadQualificationBachelors degree in Computer Science, Information Management Systems, any relevant disciplineNumber of post01LocationChennai, IndiaJob TypeFull Time GenderMale/FemaleInterview process Online SalaryAs per industry standards or as per current CTCProfessional CertificationsMCSE, MCSA, Azure Administrator, OCI ArchitectPrevious Work Experience

- 15+ years in IT infrastructure and operations management

Key Responsibilities1.Enterprise Architecture & Strategy

- Define and maintain enterprise IT architecture covering cloud, on-prem, network, security, and collaboration platforms.
- Design hybrid and multi-cloud architectures ensuring scalability, resilience, and cost optimization.
- Align IT architecture with business goals, compliance, and security standards.
- ¢ Create and maintain architecture diagrams, standards, and roadmaps.

2. Microsoft 365, Exchange & Identity Management

- ¢ Lead administration and optimization of Microsoft 365 (Exchange Online, SharePoint, Teams, OneDrive).
- ¢ Manage Exchange Hybrid / On-Prem Exchange environments where applicable.
- ¢ Oversee Active Directory, Azure AD (Entra ID), Group Policies, and identity lifecycle management.
- ¢ Implement SSO, MFA, Conditional Access,



and identity security best practices.

3. Multi-Cloud Platform Management
¢ Architect, deploy, and manage workloads across OCI, AWS, Azure, and GCP.
¢ Evaluate cloud services, select appropriate platforms, and manage cloud governance models.
¢ Monitor cloud performance, availability, security, and cost (FinOps).
¢ Lead cloud migrations, DR strategies, and cloud-to-cloud integrations.

4. On-Prem Infrastructure & Operations Support
¢ Oversee on-premise servers, virtualization, storage, backup, and data center operations.
¢ Ensure smooth integration between on-prem and cloud systems.
¢ Manage patching, performance tuning, capacity planning, and infrastructure upgrades.
¢ Define and test backup, DR, and business continuity plans.

5. Security, Compliance & Governance
¢ Enforce IT security policies, access controls, and hardening standards across environments.
¢ Support compliance with organizational, regulatory, and industry frameworks.
¢ Coordinate security assessments, audits, and remediation activities.
¢ Implement monitoring, logging, and incident response procedures.

- 6. IT Operations & Service Management

¢ Lead incident, problem, change, and capacity management activities.
¢ Ensure SLA adherence, system uptime, and service quality.
¢ Drive automation, standardization, and operational efficiency improvements.
¢ Prepare operational reports, KPIs, and executive summaries.

- 7.



Team Leadership & Vendor Management

¢ Lead and mentor IT operations, cloud, and support teams.
¢ Act as escalation point for critical incidents and outages.
¢ Manage vendors, MSPs, and cloud service providers.
¢ Review contracts, SLAs, and performance of external partners.
8. Documentation & Continuous Improvement
¢ Maintain SOPs, runbooks, architecture documents, and operational guides.
¢ Identify opportunities for process improvement, automation, and modernization.¢ Stay updated on emerging cloud, security, and infrastructure technologies.¢ Mentor junior IT staff and provide support to end-users as needed.¢ Generate reports on system and infrastructure performance, uptime, security incidents, and system enhancements.¢ Develop & deliver key performance indicators (KPIs) to the IT management team. ¢ Prepare high-level executive reports to support management decision-making in infrastructure, support services, and project delivery.Core SkillsTechnical Skills
¢ Solid experience in Microsoft 365, Exchange, Active Directory, Azure AD
¢ Hands-on experience with AWS, Azure, OCI, and GCP
¢ Expertise in enterprise architecture and hybrid cloud design
¢ Solid knowledge of on-prem infrastructure, virtualization, backup, and DR
¢ Understanding of networking, security, and identity frameworks
Leadership & Soft Skills
¢ Strong stakeholder and vendor management skills
¢ Ability to translate technical solutions into business impact
¢ Excellent documentation and communication skills
¢ Proven experience leading teams and handling
escalationsLIST OF SUBORDINATESSenior System Administrator.
¢ System Administrator.
¢ Office 365 Administrator.
¢ IT SpecialistJoiningImmediate

📌 IT Infrastructure Lead Chennai India
🏢 TeamPlus Staffing Solution
📍 Chennai