Role & responsibilities

Desktop Support Engineer/Network Support Engineer

Network Architecture & Administration
Design & Implementation: Architect, deploy, and manage highly available enterprise networks, including LAN, WAN, WLAN, and SD-WAN infrastructure.
Hardware Management: Configure, maintain, and lifecycle-manage enterprise-grade routers, core/edge switches, firewalls, and wireless access points.
Routing & Switching: Manage and optimize energetic routing protocols (OSPF, BGP, EIGRP), VLANs, STP, trunking, QoS and sub-netting (IPv4/IPv6).
Performance & Capacity: Conduct continuous network capacity planning, traffic engineering, and bandwidth optimization to prevent bottlenecks.
Connectivity: Manage ISP relationships, site-to-site VPNs, and remote-access client VPNs to ensure reliable, high-speed connectivity across all corporate locations.
Tools: Proficiency in network monitoring and packet analysis tools (e.g., SolarWinds, PRTG, Wireshark, Datadog).
Additional Skillset of System Administration & Virtualization
Server Lifecycle Management: Architect, install, configure, and maintain robust Windows Server and Linux settings.
Core Infrastructure Services: Maintain absolute operational integrity of Active Directory (AD), Group Policy Objects (GPOs), DNS, DHCP,



and centralized file servers.
Virtualization: Deploy and manage virtualized clusters using VMware (vSphere/ESXi) or Microsoft Hyper-V, optimizing resource allocation and host performance.
Business Continuity: Architect, manage and execute comprehensive disaster recovery (DR) testing and procedures.
Security, Compliance & Patch Management
Perimeter Defense: Configure and enforce strict security policies across enterprise firewalls (e.g., Fortinet, Cisco Firepower, SonicWall) and Intrusion Detection/Prevention Systems (IDS/IPS).
Vulnerability Management: Conduct regular vulnerability assessments, system audits, and penetration testing support.
Endpoint & Network Security: Implement Zero Trust network access (ZTNA) principles, network access control (NAC), and advanced endpoint security measures.
Patching & Upgrades: Develop and execute automated patch management schedules for servers, network hardware firmware, and critical applications with minimal business disruption.

Incident Response: Act as the primary responder for critical security alerts, analyzing logs to identify and mitigate active threats or breaches. Candidates can either from Desktop or network support background

📌 Walk In It Infrastructure Engineer Chennai
🏢 Merit Data u0026 Technology
📍 Chennai