We are seeking an experienced IT Infrastructure & Network Manager to manage enterprise IT infrastructure, network operations, systems administration, cloud infrastructure, cybersecurity, service desk operations, vendors, and IT compliance. The ideal candidate should possess strong hands-on expertise across server infrastructure, networking, Microsoft technologies, Azure, endpoint security, and IT operations, along with proven experience in managing teams and technology vendors.

Key Responsibilities

IT Infrastructure & Operations

- Manage day-to-day IT infrastructure operations, ensuring high availability, reliability, and performance.
- Manage Windows Server, Active Directory, DNS, DHCP, Group Policy, File and Print Services.
- Manage Windows and Linux server environments.
- Manage virtualization platforms including Hyper-V.
- Oversee data-centre infrastructure, servers, storage, backup, and restoration.
- Plan and execute infrastructure upgrades, migrations, and technology refresh initiatives.

Networking

- Manage and support enterprise LAN/WAN network infrastructure and connectivity.
- Monitor network availability, performance, capacity, and security.
- Manage switches, routers, firewalls, VPNs, VLANs, and network connectivity.
- Troubleshoot network connectivity, routing, DNS, DHCP, and related infrastructure issues.
- Coordinate network-related activities with internal teams, ISPs, telecom providers, and external vendors.
- Manage network security and access controls to ensure secure connectivity.
- Support site-to-site connectivity between on-premises infrastructure and Azure.




- Configure and manage Azure VNets and Network Security Groups.
- Maintain network documentation, diagrams, configurations, and operational procedures.

The candidate's profile specifically includes data-center networking and Azure networking, including VNets and site-to-site connectivity.

Cloud & Microsoft Technologies

- Manage Microsoft Azure infrastructure and cloud services.
- Administer Azure Virtual Machines, Resource Groups, VNets, and Network Security Groups.
- Manage Microsoft 365, Intune/MDM, and user/device administration.
- Support hybrid on-premises and cloud infrastructure.

Service Desk & IT Support

- Lead IT helpdesk/service desk operations.
- Establish and monitor SLAs, incident management, escalation, and service delivery processes.
- Ensure timely resolution of infrastructure, network, hardware, software, and user-support issues.
- Conduct team performance evaluations, mentoring, and technical training.

IT Security & Compliance

- Manage endpoint security, antivirus, encryption, DLP, and security management solutions.
- Ensure infrastructure compliance with ISO 27001, HIPAA, ISMS, and internal security standards.
- Manage security patching and vulnerability remediation.




- Maintain infrastructure and security documentation required for audits and compliance.

Vendor & Stakeholder Management

- Manage relationships with hardware, software, network, cloud, telecom, and managed-service vendors.
- Monitor vendor performance against SLAs and contractual commitments.
- Evaluate and onboard new technology vendors.
- Work closely with business stakeholders to understand requirements and deliver IT solutions.

Budget & Asset Management

- Manage IT infrastructure budgets, licenses, assets, and resources.
- Optimize infrastructure costs and technology investments.
- Ensure effective utilization and lifecycle management of IT assets.

Must Have

- 10+ years of experience in IT Infrastructure / Network / IT Operations / Systems Administration.
- Robust experience in:
- Windows Server & Active Directory
- DNS, DHCP & Group Policy
- LAN/WAN, TCP/IP, VLANs, routing and switching
- Firewalls, VPN and network security
- Network troubleshooting and monitoring
- Microsoft 365
- Azure Infrastructure
- Azure VNets & Network Security Groups
- Intune / MDM
- Windows & Linux administration
- Hyper-V / virtualization
- Backup & restoration
- Endpoint security and DLP

- Experience managing IT infrastructure, networking teams, helpdesk operations, and SLAs.
- Strong vendor and stakeholder management skills.
- Good understanding of IT security and compliance.

6 Days Working Culture (Mon - Sat)

Work From office

If you are interested, Apply for the Job.

📌 IT Manager (Chennai)
🏢 S2M HEALTH
📍 Chennai