Job Description:

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

Position: IT Infrastructure Lead

Qualification: Bachelors degree in Computer Science, Information Management Systems, any relevant discipline

Number of post: 01

Location: Chennai, India

Job Type: Full Time

Gender: Male/Female

Interview process: Online

Salary: As per industry standards or as per current CTC

Professional Certifications: MCSE, MCSA, Azure Administrator, OCI Architect

Previous Work Experience: 15+ years in IT infrastructure and operations management

Key Responsibilities:

1. 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 Skills:

Technical Skills:

- Strong 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 escalations.

List of Subordinates:

- Senior System Administrator.

- System Administrator.

- Office 365 Administrator.

- IT Specialist.

Joining: Immediate

Role: Infrastructure Architect

Industry Type: IT Services & Consulting

Department: IT & Information Security

Employment Type: Full Time, Permanent

Role Category: IT Infrastructure Services

Education: UG: Any Graduate

Key Skills: Azure, IT Infrastructure, Active Directory, Azure AD, AWS, MFA, SSO, IT Infrastructure Support, IT Infrastructure Lead, Microsoft 365, OneDrive, OCI, identity security, SLA adherence, Teams, Conditional Access, GCP, IT Infrastructure Management.