s
sajib_techguy

Sajib Paul

@sajib_techguy
5.0(2)

Network and Cybersecurity Expert

Bangladesh
English, Bengali, Hindi, Urdu
About me
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.... Read more

Skills

s
sajib_techguy
Sajib Paul
Offline • 
Average response time: 1 hour

See my services

Technical Support
I will setup ccna, cisco packet tracer, iot, eveng, eve ng gns3 lab
5.0(1)
Technical Support
I will setup cybersecurity lab with splunk, qradar, wazuh, elk siem
5.0(1)

Portfolio

Work experience

Infosys

Network & Security Specialist

Infosys • Self-employed

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)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    5
1-2 out of 2 Reviews
Sort By
Most relevant
    T

    tosan_dare

    US

    United States

    5

    He did an amazing work.

    $50-$100

    Price

    1 day

    Duration

    gig

    Technical Support

    Helpful?
    Yes
    No
    M

    maryam0414

    BH

    Bahrain

    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.

    Up to $50

    Price

    1 day

    Duration

    gig

    Technical Support

    Helpful?
    Yes
    No