---
title: "Bittu Saha - Senior Specialist in Kolkata | Tal"
description: "Meet Bittu Saha, Senior Specialist @HCLTech | Network Security Engineer | Firewall (Palo Alto, Cisco ASA, FTD, Fortigate) | VPN (IPSEC, Global Protect) | Routing & Switching | Azure Cloud Certified(Az-500, Az-900) based in Kolkata. AI stack includes claude, deepseek, and gemini."
image: "https://tal.club/meet/bittu-saha/share-image"
---

# Bittu Saha on Tal

## Headline

Senior Specialist @HCLTech \| Network Security Engineer \| Firewall \(Palo Alto, Cisco ASA, FTD, Fortigate\) \| VPN \(IPSEC, Global Protect\) \| Routing & Switching \| Azure Cloud Certified\(Az\-500, Az\-900\)

## Location

Kolkata

## AI stack

claude

deepseek

gemini

grok

openai

## Work experience

Senior Specialist at HCLTech, Jul 2026 \- Present · 3 mos, Pune

App/Cloud Support analyst at Accenture, May 2026 \- Jul 2026 · 3 mos, Hybrid

Network & Svcs Operations Associate at Accenture, Mar 2025 \- May 2026 · 1 yr 3 mos, On\-site, Palo Alto NGFW & Zone Management: Configuration and management of Palo Alto firewalls, including Security Zone creation and assignment, security rule base optimization, NAT, and App\-ID/User\-ID based access control\. Advanced Troubleshooting: Diagnose and resolve complex security issues related to security profiles \(URL Filtering, Threat Prevention\), GlobalProtect VPN connectivity, and Policy\-Based Forwarding \(PBF\) to ensure uninterrupted secure access\. Security Infrastructure: Orchestrate network segmentation by creating and managing L3 interfaces and Security Zones directly on firewalls to enforce strict inter\-zone communication policies\. Centralized Management & Monitoring: Utilize Palo Alto Panorama for unified policy deployment and analyze firewall logs to implement corrective measures and threat mitigation strategies\. Routing, Switching & Performance: Consolidate core network operations including Cisco switch/router configuration \(VLAN creation, trunk pruning, and ACL implementation\) and execute bandwidth upgrade/downgrade activities to maintain optimal circuit performance\. Integrated Network Services: Administer Infoblox IPAM for DHCP/IP allocation and manage wireless infrastructure via Aruba WLC\.

Senior System Associate at Infosys, Oct 2024 \- Mar 2025 · 6 mos, Bangalore, Expertise in Firewall configuration, creating and deployment of rules and managing traffic across Cisco ASA, CISCO FTD, FortiGate, and Juniper SRX firewalls\. Efficiently troubleshoot Firewall node down issues by performing health check and diagnosing connectivity problems\. Conduct audits and compliance check of network security devices prior to commissioning and submit report to the respective team for review and action\. Execute the retirement of devices from the network environment by established procedures to safely decommission from network\. Working on Standard and emergency change\. Detailed documentation of troubleshooting and configuration steps for incident resolution, taking responsibility for meeting SLA\.

System Associate at Infosys, Feb 2023 \- Oct 2024 · 1 yr 9 mos, Bhubaneswar, Odisha, India

Operations Executive at Infosys, Mar 2022 \- Feb 2023 · 1 yr, Mysore, Karnataka, India

## Education

Bachelor of Technology \- BTech, Electronic and Communications Engineering Technology, MCKV institute of engineering

Diploma in Electronics and telecommunication engineering, Electrical, Electronics and Communications Engineering, Technique Polytechnic Institute

[View the original profile](https://tal.club/meet/bittu-saha)

```json
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "Person",
      "@id": "https://tal.club/meet/bittu-saha#person",
      "name": "Bittu Saha",
      "url": "https://tal.club/meet/bittu-saha",
      "image": "https://tal.club/meet/bittu-saha/profile-photo.jpg",
      "description": "Meet Bittu Saha, Senior Specialist @HCLTech | Network Security Engineer | Firewall (Palo Alto, Cisco ASA, FTD, Fortigate) | VPN (IPSEC, Global Protect) | Routing & Switching | Azure Cloud Certified(Az-500, Az-900) based in Kolkata. AI stack includes claude, deepseek, and gemini.",
      "jobTitle": "Senior Specialist",
      "worksFor": {
        "@type": "Organization",
        "name": "HCLTech"
      },
      "hasOccupation": {
        "@type": "Occupation",
        "name": "Senior Specialist"
      },
      "homeLocation": {
        "@type": "Place",
        "name": "Kolkata"
      },
      "alumniOf": [
        {
          "@type": "EducationalOrganization",
          "name": "MCKV institute of engineering"
        },
        {
          "@type": "EducationalOrganization",
          "name": "Technique Polytechnic Institute"
        }
      ],
      "knowsAbout": [
        "claude",
        "deepseek",
        "gemini",
        "grok",
        "openai"
      ],
      "mainEntityOfPage": {
        "@id": "https://tal.club/meet/bittu-saha#webpage"
      }
    },
    {
      "@type": "ProfilePage",
      "@id": "https://tal.club/meet/bittu-saha#webpage",
      "url": "https://tal.club/meet/bittu-saha",
      "name": "Bittu Saha on Tal",
      "description": "Meet Bittu Saha, Senior Specialist @HCLTech | Network Security Engineer | Firewall (Palo Alto, Cisco ASA, FTD, Fortigate) | VPN (IPSEC, Global Protect) | Routing & Switching | Azure Cloud Certified(Az-500, Az-900) based in Kolkata. AI stack includes claude, deepseek, and gemini.",
      "dateModified": "2026-09-22T14:27:46.567Z",
      "isPartOf": {
        "@id": "https://tal.club/#website"
      },
      "mainEntity": {
        "@id": "https://tal.club/meet/bittu-saha#person"
      },
      "primaryImageOfPage": {
        "@type": "ImageObject",
        "url": "https://tal.club/meet/bittu-saha/profile-photo.jpg",
        "contentUrl": "https://tal.club/meet/bittu-saha/profile-photo.jpg",
        "caption": "Bittu Saha profile photo on Tal"
      },
      "inLanguage": "en-IN"
    }
  ]
}
```