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Sajib Paul
@sajib_techguy
Network and Cybersecurity Expert
Bangladesh
Inglés, Bengalí, Hindi, Urdu
Sobre mí
I’m Sajib Paul,
A trusted Network & Cybersecurity Engineer with 12+ years of experience delivering fast, reliable, and professional solutions. I specialize in Cisco, MikroTik, Palo Alto, F5, Fortinet, Check Point, Sophos, offering firewall setup, routing & switching, VPNs, load balancers, and SIEM deployment (Splunk, QRadar, Wazuh, Elastic). I design and troubleshoot enterprise networks, CCNA/CCNP/CCIE labs, EVE-NG & GNS3 topologies, providing clean documentation, tested configurations, and expert support.
Let’s make your network secure, optimized, and hassle-free.
Habilidades
Sajib Paul
desconectado •
Tiempo medio de respuesta: 1 hora
Revisa mis servicios
Soporte técnico
I will setup ccna, cisco packet tracer, iot, eveng, eve ng gns3 lab
Soporte técnico
I will setup cybersecurity lab with splunk, qradar, wazuh, elk siem
Porfolio
Experiencia laboral
Network & Security Specialist
Infosys • Trabajador autónomo
Apr 2014 - Present • 12 yrs 1 mo
Key Responsibilities & Achievements: - Designed and deployed enterprise network architectures (LAN/WAN/MAN) for banks, metro rail projects, and corporate clients. - Configured and managed Cisco Firewall, Catalyst & Nexus switches, ASR, routers, ISE, WLC, SD-WAN, SDA, Meraki APs, F5. - Deployed, migrated, and optimized firewalls: Palo Alto, FortiGate, Cisco Firepower, Sophos, MikroTik. - Implemented site-to-site and remote VPN solutions (IPsec/SSL) for secure connectivity. - Built EVE-NG and Packet Tracer labs for CCNA/CCNP/CCIE practice and corporate testing. - Configured and troubleshot routing protocols: BGP, OSPF, EIGRP, MPLS. - Deployed and monitored Splunk SIEM for log analysis, alerting, and compliance. - Conducted Vulnerability Assessment & Remediation for PCI-DSS and enterprise compliance. - Provided client documentation, network diagrams, and technical support, ensuring long-term satisfaction. - Handled TAC escalations for Cisco, Fortinet, and Palo Alto products.
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