s
sajib_techguy

Sajib Paul

@sajib_techguy
5,0(2)

Network and Cybersecurity Expert

Bangladesh
Engels, Bengaals, Hindi, Urdu
Sommige informatie wordt in het Engels weergegeven.
Over mij
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.... Lees meer

Skills

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sajib_techguy
Sajib Paul
offline • 
Gemiddelde reactietijd: 1 uur

Bekijk mijn diensten

Technische ondersteuning
I will setup ccna, cisco packet tracer, iot, eveng, eve ng gns3 lab
5,0(1)
Technische ondersteuning
I will setup cybersecurity lab with splunk, qradar, wazuh, elk siem
5,0(1)

Portfolio

Werkervaring

Infosys

Network & Security Specialist

Infosys • ZZP

Apr 2014 - Present12 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.

2 Reviews
5,0

(2)
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Specificering van de beoordeling
  • Communicatieniveau van de freelancer
    5
  • Kwaliteit van de levering
    5
  • Waarde van de levering
    5
1-2 van 2 reviews
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    T

    tosan_dare

    US

    Verenigde Staten

    5

    He did an amazing work.

    US$ 50-US$ 100

    Prijs

    1 dag

    Looptijd

    gig

    Technische ondersteuning

    Nuttig?
    Ja
    Nee
    M

    maryam0414

    BH

    Bahrein

    5

    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.

    Tot maximaal US$ 50

    Prijs

    1 dag

    Looptijd

    gig

    Technische ondersteuning

    Nuttig?
    Ja
    Nee