IT System Administrator Lead - Windows/Linux Server

Job Title : IT Systems Administrator Team Lead.

Location : [Hybrid] Chennai.

Work Type : Full-time.

Experience : 36 Years (can be adjusted).

Reports To : IT Manager / Head of Infrastructure.

Job 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 :

- Administer and maintain Windows Server and Linux Server environments.

- Perform regular patch management, user/group policy maintenance, and security updates.

Desktop OS Support :

- OS deployment, configuration, imaging, and troubleshooting.

Network & Security :

- Work with networking teams and ISPs for troubleshooting connectivity issues.

- Basic understanding of WAF (Web Application Firewall) and security principles.

Cloud & SaaS Administration :

- Configure and maintain user roles, policies, and access controls.

Endpoint Security :

- Ensure endpoint compliance and generate periodic security reports.

Monitoring & Tracking Tools :

- Support monitoring policy configurations, alerts, and investigations.

MDM & Identity Management :

- Enforce security compliance for mobile and remote endpoints.

Ticketing & Support :

- Provide L1 to L3 level support and ensure SLA compliance.

Asset & Inventory Management :

- Conduct periodic audits and reconciliations.

Hardware & Software Support :

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 :

- Provide cost estimates and maintain vendor agreements.

Domain & Hosting :

- Coordinate basic web-related infrastructure management.

Vendor Coordination :

- Manage service level expectations and incident resolution timelines.

Cross-Department Coordination :

Required Skills & Qualifications :

- 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) :

- CompTIA Network+ / Security+.

- Microsoft 365 Certified : Modern Desktop Administrator Associate.

- Cisco Certified Network Associate (CCNA).

- Google Workspace Administrator Certification.

- Bitdefender Certified Administrator (if available).

- ITIL v4 Foundation for support process understanding.

Soft Skills :

- Ability to multitask and prioritize tasks effectively.

- Customer-centric and team-oriented mindset.