Professional portrait for Nishant Kayastha portfolio

Network Infrastructure &
Security Professional

Banking Technology Specialist

I design, secure and operate resilient network and security infrastructure for financial institutions. Experienced in FortiGate, Cisco, Cloudflare, virtualization, monitoring and business continuity.

FORTINETCISCOVMWARECLOUDFLAREZABBIX

ABOUT ME

Production-focused infrastructure for regulated environments.

I am a Network Infrastructure & Security Supervisor with 7+ years of experience in banking and enterprise environments. I specialize in network administration, security, cloud edge services, virtualization, monitoring and disaster recovery.

My focus is to build secure, highly available and scalable infrastructure that supports business continuity and operational excellence.

WHAT I DO

Network Operations

LAN/WAN, routing, switching, VLANs, SD-WAN and secure connectivity.

Network Security

FortiGate firewalls, policies, VPNs, NAT/PAT and access controls.

Edge & Public Services

Cloudflare proxy, DNS, origin rules and secure service publication.

Systems & Virtualization

Active Directory, servers, VMware, Veeam and infrastructure management.

Monitoring & SOC

Zabbix, NGSIEM, CrowdStrike EDR/XDR and alerting.

SELECTED WORK

Representative projects demonstrating my contributions.

◈ Enterprise Firewall Upgrade

Planned and executed controlled FortiGate firmware upgrades with service-continuity considerations.

♟ Active Directory Modernization

Migrated domain services from Windows Server 2012 to Windows Server 2025.

▣ Zabbix Monitoring Platform

Implemented installation, discovery, agents, maps, dashboards and alerts.

⌁ SD-WAN Implementation

Deployed FortiGate SD-WAN to improve connectivity resilience.

☁ Public-Facing Edge Services

Managed Cloudflare proxy, origin rules, DNS and perimeter NAT/PAT.

▤ DR & SQL Availability

Supported DR and SQL Always On operations with recovery planning.

CREDENTIALS

Master of Computer Science (Running) • BCIS • CCNA Institute Training • CEH Institute Training

GET IN TOUCH

Open to network, infrastructure and security opportunities.

+977-9843439014
[email protected]
linkedin.com/in/nishant-kayastha
Kathmandu, Nepal

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