Summary
Overview
Work History
Education
Skills
Certification
Affiliations
ONGOING TECHNOLOGY UPSKILL
Disclaimer
Timeline
Generic
Soubhik Biswas

Soubhik Biswas

Network Security Specialist
Kanchrapara,WB

Summary

3 years of rich experience in security as a Network Security Specialist. Determined to excel in Network Security, Cybersecurity and evolving technologies.

Overview

3
3
years of professional experience
6
6
Certifications
3
3
Languages

Work History

Network Security Specialist (NSS1)

TechSharingb Pvt Ltd
08.2023 - Current

1. Migrate FTD from the FortiNet firewall in the IOCL, where migration has been done based on the Access Policy and NAT Policy.
2. Configured and managed Access Control Policies (ACP), Security Intelligence, and NAT policies in FMC.
3. Generated detailed security and network behaviour reports to support incident response activities.
4. Conducted regular policy optimisation, rule reviews, and troubleshooting of traffic flow issues.
5. Experience in deploying FTD updates, health monitoring, and managing FMC configurations.
6. Investigated security events and intrusion alerts using Firepower FMC dashboards.
7. Perform the POC for the Cisco Catalyst Center, which details onboarding, management, and upgrading of Cisco 9200 series switches from the centralized Cisco Catalyst Centre.
8. Involved in implementing Cisco WSA, SMA and Threatgrid, where the client is Bank of Maharashtra.
9. Migrate access policies from BlueCoat Web Proxy to Cisco WSA.
10. Integration between WSA, SMA and Cisco Threatgrid.
11. Create the SOP document in accordance with the production requirements.
12. As an L2 engineer providing daily operation support for maintaining Cisco WSA, SMA, and ThreatGrid at the client side.
13. Handle L1 and L2 tickets and troubleshoot the issue to resolve the problem.
14. To troubleshoot equipment and network issues, participate in critical maintenance windows, and open and track TAC cases through to resolution for pre- and post-production issues.
15. Create a new access policy according to the Change Request, based on the client's request, and document the new access policy.
16. Take backups of all appliances and store them on the remote backup server.
17. Creating daily reports on system health and generating month-wise reports on high traffic utilization for Servers, Web URLS, and End Point Clients.
18. Hands-on experience in configuring and managing Cisco Secure Network Analytics (Stealthwatch) for network visibility and threat detection.
19. Performed SPAN, NetFlow, and telemetry configuration on network devices to integrate with SNA.
20. Monitored network traffic and identified anomalies, suspicious behaviours, and policy violations using SNA dashboards and alerts.
21. Troubleshot flow collection issues and optimised FlowCollector, FlowSensor, SMC, FS, and DS components for PoC environments.
22. Assisted in PoC setups by deploying and managing virtual appliances for Stealthwatch components.

Education

PG Diploma - Cyber Security and Ethical Hacking

Intellipaat
Bangalore
01.2022

CCNP Security -

Network Bulls
Gurugram, Delhi
01.2019

BCA - undefined

Maulana Abul Kalam Azad University of Technology
01.2018

12th - undefined

West Bengal Council of Higher Secondary Education
01.2015

Skills

1 Cisco WSA - Expert

2 Web Proxy - Expert

3 Cisco SNA - Expert

4 OSI Model - Expert

5 DHCP - Expert

6 Telnet and SSH - Expert

7 Firewalls - Expert

8 Routing, Switching - Expert

9 OSPF - Expert

10 Programming (Java, C, C, Python) - Expert

11 Linux - Expert

12 Solutions Design - Intermediate

1 Web proxy solution - Expert

2 Cisco Umbrella - Intermediate

3 Cisco Secure Network Analytics - Expert

4 Firewall - Intermediate

5 Presentation, Documentation - Intermediate

1 Routers - 1700, 1800 and 7200 Series with the latest IOS Versions

2 Switches - 1900, 2900, 2960G, 3750 Series

3 Web Proxy - Cisco WSA S395, S695

4 Security Management Appliance - Cisco SMA M195, M695

5 ASA Firewall - Cisco ASA 55xx

6 Cisco Secure Firewall - 1120, 3140

7 Cisco Secure Firewall Management Center - 4700

Certification

Black Belt – Network Security - Cisco

Affiliations

  • IIT Bombay Java Training
  • Sep,2017 – Nov 2017

ONGOING TECHNOLOGY UPSKILL

  • 1. Cisco ISE
  • 2. Cisco Umbrella
  • 3. Cisco Secure Endpoint

Disclaimer

I acknowledge that all of the information provided above is true to the best of my knowledge. Soubhik Biswas

Timeline

Network Security Specialist (NSS1)

TechSharingb Pvt Ltd
08.2023 - Current

BCA - undefined

Maulana Abul Kalam Azad University of Technology

12th - undefined

West Bengal Council of Higher Secondary Education

PG Diploma - Cyber Security and Ethical Hacking

Intellipaat

CCNP Security -

Network Bulls
Soubhik BiswasNetwork Security Specialist