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Job Title: IT Systems Administrator – Team LeadLocation: (Hybrid) - ChennaiWork Type: Full-timeExperience: 3–6 Years (can be adjusted)Reports To: IT Manager / Head of InfrastructureJob Summary:We are seeking a skilled and proactive IT Systems Administrator to manage, maintain, and support a diverse IT infrastructure including Windows/Linux servers, desktop environments, cloud services, network hardware, and user management tools. The ideal candidate should have strong troubleshooting abilities, experience handling IT assets, and the capability to coordinate with vendors and internal teams for L1, L2, and L3 support across multiple tools and technologies.Key Responsibilities:Server Management:Administer and maintain Windows Server and Linux Server environments.Perform regular patch management, user/group policy maintenance, and security updates.Desktop OS Support:Provide support for Windows , Ubuntu/Linux , and macOS desktops and laptops.OS deployment, configuration, imaging, and troubleshooting.Network & Security:Configure and manage firewalls, routers, and switches .Work with networking teams and ISPs for troubleshooting connectivity issues.Basic understanding of WAF (Web Application Firewall) and security principles.Cloud & SaaS Administration:Manage Microsoft 365 via Azure AD and Google Workspace .Configure and maintain user roles, policies, and access controls.Endpoint Security:Install and manage Bitdefender Antivirus through central management console.Ensure endpoint compliance and generate periodic security reports.Monitoring & Tracking Tools:Deploy and manage Teramind and Insightful tracking tool via its console.Support monitoring policy configurations, alerts, and investigations.MDM & Identity Management:Administer Microsoft Intune and JumpCloud for device and user identity management.Enforce security compliance for mobile and remote endpoints.Ticketing & Support:Handle user issues through a ticketing system and Microsoft Teams support channels.Provide L1 to L3 level support and ensure SLA compliance.Asset & Inventory Management:Maintain IT asset records, allocation, and tracking for end-users.Conduct periodic audits and reconciliations.Hardware & Software Support:Diagnose and resolve hardware failures and software issues across multiple platforms.Voice Platform Support:Manage Dialpad and Twilio voice communication platforms via admin console.Ensure quality of service and support call routing configurations.Cost & License Management:Monitor IT tool subscriptions, usage costs, and license renewals.Provide cost estimates and maintain vendor agreements.Domain & Hosting:Manage domain registration , hosting control panels, FTP , and MySQL databases .Coordinate basic web-related infrastructure management.Vendor Coordination:Communicate with software and hardware vendors for escalations and support.Manage service level expectations and incident resolution timelines.Cross-Department Coordination:Collaborate with Internet providers and support partners for uninterrupted services.Required Skills & Qualifications:Strong technical knowledge in system administration and IT infrastructure.Hands-on experience in both Windows and Linux ecosystems.Knowledge of scripting (PowerShell, Bash) is an advantage.Excellent communication skills – verbal and written.Willingness to work in Day shift and respond to emergencies.Preferred Certifications (Any of the following):Microsoft Certified: Azure Administrator AssociateCompTIA Network+ / Security+Microsoft 365 Certified: Modern Desktop Administrator AssociateCisco Certified Network Associate (CCNA)Google Workspace Administrator CertificationBitdefender Certified Administrator (if available)ITIL v4 Foundation – for support process understandingSoft Skills:Strong problem-solving and decision-making abilities.Ability to multitask and prioritize tasks effectively.Customer-centric and team-oriented mindset.