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Rajesh Kumar Maity

@rajeshkumarmaity

Network & Security Engineer at Bellfast Management Private Limited who assessed vulnerabilities with Nmap and secured industrial networks.

India

Message

What I'm looking for

I’m eager to contribute my network engineering and cybersecurity skills to high-impact engineering teams at leading technology organizations.

At Bellfast Management Private Limited, I deploy and maintain network and electrical infrastructure across industrial sites, with 99%+ uptime. I also configure ACLs, firewall rules, and VPNs to protect on-site networks.

I use Nmap for vulnerability assessments, identifying open ports, misconfigured services, and attack vectors. My work also includes troubleshooting connectivity using TCP/IP, VLANs, and OSPF/RIP.

On a 2025 penetration-testing project, I assessed simulated enterprise environments and prepared risk-ranked reports with remediation strategies. I used Wireshark to analyze traffic and demonstrate intrusion detection scenarios.

In a Cisco network design project, I configured OSPF/RIP routing, VLAN segmentation, and ACLs. I hold an active CCNA certification and am pursuing a Diploma in Cybersecurity.

Experience

Work history, roles, and key accomplishments

Current

Information Technology Field Engineer

Current

Bellfast Management Private Limited

Nov 2024 - Present (1 year 11 months)

Deployed and maintained enterprise-grade network and electrical infrastructure across industrial sites, ensuring 99%+ uptime and compliance with engineering specifications. Performed network vulnerability assessments using Nmap and resolved complex connectivity issues using TCP/IP, VLANs, and routing protocols.