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Português
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Sajib Paul
@sajib_techguy
Network and Cybersecurity Expert
Bangladesh
Inglês, Bengali, Hindi, Urdu
Sobre mim
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
offline •
Tempo médio de resposta: 1 hora
Conheça meus serviços
Suporte Técnico
I will setup ccna, cisco packet tracer, iot, eveng, eve ng gns3 lab
Suporte Técnico
I will setup cybersecurity lab with splunk, qradar, wazuh, elk siem
Portfólio
Experiência profissional
Network & Security Specialist
Infosys • Autônomo
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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he went above and beyond to make sure my task was done well, and he did more than what was paid for, he is very understanding and made sure to make time and help me understand whatever i didnt.
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