Hiring: Network Administrator

Experience: 4+ Years

Function: IT Infrastructure Network & Security

Job Location: Kolkata

Employment Type: Full time

We are looking for an experienced Network Administrator to manage and maintain enterprise network infrastructure, ensuring high availability, security and optimal network performance across business locations.

Key Responsibilities

- Manage and maintain enterprise LAN, WAN, Wi-Fi, VPN, routing and switching infrastructure.
- Administer Cisco networking devices and Cisco Meraki environments.
- Support Cisco ISE, Network Access Control (NAC) and network authentication.
- Configure and manage Fortinet/FortiGate firewalls, security policies and VPN connectivity.
- Monitor network performance, troubleshoot connectivity issues and ensure SLA compliance.
- Perform network upgrades, migrations, firmware updates and infrastructure maintenance.
- Manage network security, access controls, redundancy and disaster recovery activities.
- Coordinate with ISPs, vendors and internal IT teams for network operations and projects.
- Maintain network diagrams, IP/VLAN documentation, configuration backups and asset inventory.




- Ensure compliance with IT security policies, audit requirements and change management processes.

Required Skills & Qualifications

- Minimum 4 years of experience in enterprise network administration and infrastructure operations.
- Strong knowledge of LAN/WAN, TCP/IP, routing, switching, VLANs and wireless networking.
- Hands-on experience with Cisco networking devices and Cisco Meraki.
- Experience with Fortinet/FortiGate firewall administration and configuration.
- Good understanding of VPN technologies, network security and troubleshooting.
- Experience with network monitoring tools and incident management.
- Knowledge of Cisco ISE/NAC will be an added advantage.
- CCNA certification preferred; CCNP or other relevant certifications are advantageous.
- Strong troubleshooting, documentation and vendor coordination skills.

Preferred Candidate Profile Candidates with hands-on experience in Cisco Meraki, Cisco ISE, FortiGate Firewall, Enterprise Networking and Network Security are encouraged to apply.

Interested candidates can share their updated resumes.

📌 Network Administrator (Kolkata)
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