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Senior IT & Network Administrator

Actively Reviewing the Applications

DRC Systems

Chennai Full-Time 4–8 years
Posted 2 days ago Apply by June 11, 2026

Job Description

Experience: 5+ Years

Location: GIFT City, Gandhinagar (Primary)

Qualification: Graduate

Shift: 10:00 AM to 06:30 PM

We are looking for a highly capable Enterprise IT Administrator to manage and scale our campus network and IT infrastructure. The role demands hands-on expertise in managing routers, firewalls (Checkpoint & Fortinet), L2/L3 switches (Cisco/HP), Active Directory, Linux & Windows servers, Kubernetes environments, and enterprise monitoring tools.

This position will be responsible for ensuring high availability, security, compliance readiness, and performance of the company’s IT backbone across offices and remote workforce.

**Key Responsibilities**

*Enterprise Network Management*

Configure and manage - Routers, Firewalls, Switches (VLANs, STP, LACP, routing protocols, BGP, NAT, IPS, Policies)

Design and maintain secure campus LAN/WAN architecture

Implement network segmentation and zero-trust principles

Manage site-to-site VPN and remote access VPN

Ensure network redundancy and failover mechanisms

*Infrastructure & Server Administration*

Manage Windows Server and Linux environments

Active Directory (GPO, DNS, DHCP, OU structure, RBAC)

Patch management & hardening

Endpoint security compliance (Windows & Linux)

Virtualization & container ecosystem understanding (VMware/KVM preferred)

Kubernetes cluster exposure (network policies, ingress, basic troubleshooting)

*Security & Compliance*

Firewall policy optimization & periodic audits

Vulnerability assessment coordination

Log monitoring

Data loss prevention awareness

Support ISO 27001 / CMMI audit readiness

Backup & disaster recovery management

*Monitoring & Observability*

Zabbix configuration & monitoring policies

Grafana dashboards for infra metrics

Alert tuning & escalation policies

Network performance analysis & capacity planning

*Endpoint & User Management*

Manage Windows & Linux endpoints

Device onboarding & asset lifecycle management

Email security & user access governance

**Required Skills & Technical Expertise**

Strong Hands-on Experience In

Cisco / HP L2/L3 switches

VLAN, OSPF, BGP

Fortinet & Checkpoint firewall configuration

VPN setup & troubleshooting

Network security best practices

Windows Server Administration

Linux server management

Active Directory & GPO management

DNS, DHCP, File servers

Zabbix

Grafana

Basic scripting (PowerShell / Bash / Ansible)

Log analysis

Firewall hardening

Patch management

Backup strategy implementation

Understanding of Zero Trust & endpoint protection

*Certifications (Preferred)*

CCNA / CCNP

Fortinet NSE

Checkpoint Certification

RHCE / Microsoft Certified
Check Qualification

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