Network Engineer

Lenskart; Gurugram District; Vor Ort; INR 900.000 - 1.500.000; Vollzeit

Zusammenfassung

Lenskart is seeking an IT Infrastructure & Security Specialist in Gurugram to design, manage, and secure enterprise networks, servers, virtualization, and cloud resources. You will implement robust backup, DR, and monitoring strategies while supporting hybrid cloud connectivity and secure access management.

The role requires hands-on experience with Windows/Linux, VMware/Hyper-V/Proxmox, AWS/Azure, and SIEM/EDR. Strong problem solving and collaboration with cross-functional teams are essential.

Qualifikationen

• 3 to 6 years hands-on IT infra, networking, and systems admin experience.
• Broad network knowledge including TCP/IP, DNS, DHCP, VLANs, routing and VPNs.
• Experience with firewalls, security tools (EDR/XDR, SIEM, DLP, CASB, SASE).
• Windows Server and Linux OS administration experience.
• Virtualization with VMware/Hyper-V/Proxmox; cloud basics in AWS/Azure.
• Backup, DR, and cloud backup familiarity (Veeam).
• Monitoring with Zabbix and Grafana; IAM and AD/SSO familiarity.
• Scripting and automation using PowerShell and Python.

Aufgaben

• Design, configure, manage, and troubleshoot enterprise LAN, WAN, VLAN, Wi‑Fi, VPN, and SD‑WAN environments.
• Administer routers, switches, and network devices for high availability and performance.
• Manage TCP/IP, DNS, DHCP, IP addressing, routing, and switching configurations.
• Implement and maintain network segmentation, secure connectivity, and remote access.
• Monitor network performance, identify bottlenecks, and resolve connectivity issues.
• Configure and manage firewalls, NAT, VPNs, and network security controls.
• Operate security tools including EDR/XDR, DLP, CASB, SIEM, and SASE.
• Vulnerability management, patching, remediation, and endpoint protection.
• Investigate security incidents and coordinate response and remediation.
• Strengthen security through access controls and continuous monitoring.
• Install, configure, administer, and troubleshoot Windows Server and Linux.
• Manage Active Directory, DNS/DHCP, GPOs, and enterprise authentication services.
• Perform server patching, updates, tuning, and capacity planning.
• Ensure server availability and compliance with security standards.
• Manage virtualization and resource allocation with VMware/Hyper-V/Proxmox.
• Provision and maintain VMs; optimize infrastructure utilization.
• Troubleshoot virtualization, storage, and performance issues.
• Support cloud infra on AWS and Azure; monitor usage and performance.
• Backup and disaster recovery testing and operations (Veeam).
• Configure infrastructure monitoring with Zabbix and Grafana; set alerts.
• Identity and access management with AD, ISE, SSO, IAM, and PAM.
• Develop automation scripts and workflows using PowerShell, Python, and APIs.
• Coordinate projects, upgrades, migrations, and cross-functional activities.

Kenntnisse

TCP/IP networking

DNS/DHCP

VLANs/Routing & Switching

VPN & SD-WAN

Firewall & security controls

EDR/XDR & SIEM

Windows Server & Linux admin

VMware/Hyper-V/Proxmox

AWS & Azure cloud infra

Backup & DR with Veeam

Zabbix & Grafana monitoring

Identity & Access Management

PowerShell & Python scripting

APIs & automation

Tools

Veeam

Zabbix

Grafana

Cisco ISE

AWS Console

Azure Portal

Jobbeschreibung

Role & responsibilities :

1. Network Infrastructure & Administration

• Design, configure, manage, and troubleshoot enterprise LAN, WAN, VLAN, Wi-Fi, VPN, and SD-WAN environments.
• Administer routers, switches, and network devices, ensuring high availability, performance, and reliability.
• Manage TCP/IP, DNS, DHCP, IP addressing, routing, and switching configurations.
• Implement and maintain network segmentation, secure connectivity, and remote access solutions.
• Monitor network performance, identify bottlenecks, and resolve connectivity and availability issues.

2. Cybersecurity & Infrastructure Security

• Configure and manage firewalls, firewall policies, Network Address Translation (NAT), VPNs, and network security controls.
• Administer and monitor security solutions, including EDR/XDR, DLP, CASB, SIEM, Secure Web Gateway, and SASE.
• Implement vulnerability management, security patching, remediation, and endpoint protection practices.
• Investigate security incidents, analyze threats, and coordinate incident response and remediation activities.
• Strengthen infrastructure security through access controls, network segmentation, and continuous security monitoring.

3. Server & Operating System Administration

• Install, configure, administer, and troubleshoot Windows Server and Linux environments.
• Manage Active Directory, Group Policy Objects (GPO), DNS, DHCP, and enterprise authentication services.
• Perform server patching, updates, performance tuning, and capacity planning.
• Ensure server availability, reliability, and compliance with organizational security standards.

4. Virtualization & Infrastructure Management

• Manage virtualized environments using VMware, Microsoft Hyper-V, and Proxmox.
• Provision and maintain virtual machines, allocate resources, and optimize infrastructure utilization.
• Troubleshoot virtualization, storage, and performance-related issues.
• Support infrastructure scalability, availability, and business continuity requirements.

5. Cloud Infrastructure Management

• Manage and support infrastructure hosted on AWS and Microsoft Azure.
• Administer cloud networking, virtual machines, access controls, and infrastructure security.
• Monitor cloud resource utilization, availability, and performance.
• Support hybrid infrastructure connectivity and integration between on-premises environments and cloud platforms.

6. Backup, Disaster Recovery & Business Continuity

• Manage backup and recovery operations using Veeam and cloud-based backup solutions.
• Develop, maintain, and validate backup and disaster recovery procedures.
• Conduct periodic backup restoration and disaster recovery testing.
• Monitor backup jobs, investigate failures, and ensure recoverability of critical systems and data.

7. Monitoring & Performance Optimization

• Configure and maintain infrastructure monitoring and visualization using Zabbix and Grafana.
• Monitor network devices, servers, cloud resources, and infrastructure availability.
• Establish alerts and proactively identify performance degradation and potential service disruptions.
• Perform root cause analysis (RCA) for recurring incidents and implement corrective and preventive measures.

8. Identity & Access Management

• Manage identity and access solutions using Active Directory, Cisco Identity Services Engine (ISE), Single Sign-On (SSO), IAM, and PAM.
• Implement and maintain access policies, authentication mechanisms, and role-based access controls.
• Support secure user provisioning, deprovisioning, and privileged account management.
• Ensure access controls align with organizational security requirements.

9. Automation & Operational Excellence

• Develop scripts and automation workflows using PowerShell, Python, and APIs.
• Automate repetitive infrastructure administration, monitoring, reporting, and troubleshooting tasks.
• Identify opportunities to improve operational efficiency through automation and standardization.
• Maintain accurate infrastructure documentation, configuration records, and operational procedures.
• Coordinate infrastructure projects, upgrades, migrations, and cross-functional technical activities.

Preferred candidate profile :

• 3 to 6 years of hands-on experience in IT infrastructure, enterprise networking, and systems administration.
• Strong understanding of TCP/IP, DNS, DHCP, VLANs, routing, switching, VPNs, and SD-WAN.
• Experience configuring and troubleshooting routers, switches, firewalls, and enterprise network environments.
• Practical knowledge of security technologies such as EDR/XDR, DLP, CASB, SIEM, SASE, and vulnerability management.
• Hands-on experience administering Windows Server and Linux operating systems.
• Experience with VMware, Hyper-V, and/or Proxmox virtualization platforms.
• Working knowledge of AWS and Microsoft Azure infrastructure.
• Experience managing backup and disaster recovery solutions, preferably Veeam and cloud backup platforms.
• Familiarity with infrastructure monitoring tools such as Zabbix and Grafana.
• Experience with Active Directory, Cisco ISE, SSO, IAM, and PAM.
• Scripting and automation skills using PowerShell, Python, and APIs.
• Strong troubleshooting, analytical thinking, incident management, and root cause analysis skills.
• Good documentation, communication, coordination, and problem-solving abilities.