---
title: "Raju Saha - Senior Information Security Consultant in Bengaluru | Tal"
description: "Meet Raju Saha, Senior Consultant – Network & Security Operations | Zscaler ZIA | ZTNA - Zero-Trust Network Access | SASE | Cisco Umbrella | SD-WAN | Enterprise Network Security | Ex-Eurofins, IBM, Accenture based in Bengaluru. AI stack includes claude, gemini, and openai."
image: "https://tal.club/meet/raju-saha/share-image"
---

# Raju Saha on Tal

## Headline

Senior Consultant – Network & Security Operations \| Zscaler ZIA \| ZTNA \- Zero\-Trust Network Access \| SASE \| Cisco Umbrella \| SD\-WAN \| Enterprise Network Security \| Ex\-Eurofins, IBM, Accenture

## About

Hi I am Raju, I am Senior Information Security and Network Operations professional with 21\+ years of experience, including 3\+ years specializing in enterprise cloud security and SASE architectures\. Proven expertise in driving global rollouts, managing secure web gateways like Zscaler ZIA and Cisco Umbrella, and securing complex enterprise environments\. Throughout my career, I have successfully led large\-scale infrastructure transformations, scaled remote\-access capacity by over 11x during critical times, optimized security hygiene across 600\+ firewalls, and maintained strict audit and availability records \(99\.5%\+ SLAs\)\. I combine deep technical acumen in LAN/WAN, SD\-WAN, and firewalls with a strong foundation in team leadership, incident management, and ITIL governance\. Core Expertise: Cloud amp; SASE Security: Zscaler ZIA, Cisco Umbrella, SentinelOne, PAC files, URL/cloud app control, and SSL inspection\. Network & Infrastructure: Cisco/Juniper routing amp; switching, Velocloud SD\-WAN, IPsec VPN, A10 load balancers, and wireless environments\. Firewalls & Remote Access: Cisco ASA, Cisco Firepower, Checkpoint, Juniper SRX/Netscreen, and Pulse Secure VPN\. Leadership and Governance: Incident/problem management, vendor/TAC management, ITIL v3/v4, ISO 20000, and ISO 27001\.

## Location

Bengaluru

## AI stack

claude

gemini

openai

## Work experience

Senior Information Security Consultant at Eurofins IT Delivery Center, Jun 2023 \- Sep 2026 · 3 yrs 4 mos, Bengaluru, Karnataka, India, ● Cloud Security / SASE: Security Web Gateway \(SWG\) – Zscaler ZIA, Domain Layer Security Service \(DLSS\) – Cisco Umbrella, Sentinel One ● Endpoint & Access Management: Zscaler Client Connector, PAC Files, Tunnel Routing, Roaming Clients\. Sentinel One\. ● Security & Compliance: URL Filtering, SSL/TLS Interception, Firewall Controls, Threat Intelligence, DNS\-layer Security\. ● Networking & Troubleshooting: TCP/IP, DNS, VPN, Log Analysis, Incident Investigation\. ● Onboarding: Integration and deployment of new security solutions and policy enhancements into production across diverse business units and locations worldwide\. ● Incident Response & Cross\-Functional Collaboration: Collaborated with global IT and security teams to investigate security alerts, review logs, and execute rapid containment measures \(including endpoint isolation and proxy/DNS adjustments\)\.

Technical Lead at Eurofins IT Delivery Center, Apr 2023 \- Jul 2023 · 4 mos, Bengaluru, Karnataka, India

Senior Infrastructure Lead at Eurofins IT Delivery Center, Apr 2021 \- Apr 2023 · 2 yrs 1 mo, Bengaluru, Karnataka, India, ● Managing the Next\-Gen Data Center Network as L3\. ● Dealing with the BAU task\. ● Delivering the projects\. ● Mentoring the L2 engineers and the New joiners within Team\.

Network Specialist at IBM, Mar 2017 \- Apr 2018 · 1 yr 2 mos, Bengaluru, Karnataka, India, ● Managing LAN/WAN/Network Security of one of the Ireland Giant Retail Customer\. ● Providing L2 BAU support which includes Configurations, Implementation and Troubleshooting\. ● Monitoring the Network availability in the CastleRock monitoring tool and takes action accordingly\. ● Configuration and troubleshooting on Cisco Routers, Switches, Firewalls, Firepower Proxy devices\. ● Worked on Incidents & Change Management on daily basis\. ● Vendor Co\-ordination\. ● Providing technical sessions \(KT\) to L1 engineers\. ● RCA Preparation against Problem Tickets\. ● Dealing with Change Manager on the proposed changes in the CAB meeting\.

Network Lead at Accenture Services Pvt\.Ltd\., Mar 2008 \- Mar 2017 · 9 yrs 1 mo, Kolkata, ● Managing LAN/WAN/Network Security of Accenture Kolkata delivery center\. ● Managing a team of 6 L2 Network Engineer\. ● Configuration and troubleshooting of network equipment such as Cisco Routers, Switches, Juniper Netscreen Firewall, ASA, Juniper SSL VPN box, Packet Shapers, Juniper Switches & SRX Firewall etc\. ● Ensuring to deliver the services to the internal clients as per the SLA\. ● 100% adherence of ITSM process \(change management, Incident management\) along with SAT \(System Acceptance Test\) process, & service request module before making any changes in the infrastructure\. ● Dealt with Internal/External Audits \(ISO\-20k, ISO 27001, BS25999, SAS 70, HSSA audit\)\. ● Network high availability test on regular intervals \(Quarterly, Bi\-Annually & Annually\)\. Actively participation in BCM audits and ensured to remediate the findings, if any\. ● Conducted Disaster Recovery \(DR\) test on an Annual basis\. ● Ensured to maintain Network Availability 99\.5% SLA ● Actively Participated in New Joiner orientation Programme\. ● KT session to the Level\-1 engineers, new joiner\. ● Management report preparation on monthly basis \(Network Capacity Planning report, Supplier Call Management report, Privilege Access Register, Vlan Inventory report, IP Sheet maintenance\)\.

Network Engineer at Info Services, Feb 2007 \- Jan 2008 · 1 yr, Greater Kolkata Area, ● Monitoring and troubleshooting the LAN and WAN of Bharti intra\-network \(Kolkata, West Bengal, Andaman and Siliguri\) from the Bharti DATACENTER\. ● Setting up Leased Lines E1 with ISDN backup\. ● Configuring Cisco Router, Switch, Modem \(RAD, D\-link, G\.703, V\.35\)& troubleshooting for clients ● Configuring Layer 2 switches \(1900, 2950 series\) and bring it to Productions\. ● IOS upgradations to the routers and switches as on need basis\. ● Taking manual backup of critical Network devices on regular basis\. ● Scanning of the Network devices through Nessus Scan utility tool for vulnerabilities\. ● Preparing PCR \(Policy Change Request\) for the route add/change in the network devices \(Cisco Switch, Cisco Router, Cisco PIX firewall\) as per the business requirement\. ● Maintaining Asset Database through the IBM Asset Management Tool \(AMT\)\.

Field Network Engineer at Ma Foi Managment Consultants, Feb 2006 \- Feb 2007 · 1 yr 1 mo, Greater Kolkata Area, ● Setting up remote sites with Cisco 2950 & 3750 switches and connect them to the VSNL hub sites\. ● Configuring the switches as per the defined standard\. ● Installation & Mounting of Racks, Switches and connect them as per the plan\. ● Co\-ordination with the NOC team during site built up and handover\. ● Monitoring the Network Devices in the internal network monitoring system\.

## Education

Bachelor's Degree, Commarce, University of Calcutta

Higher Secondary Education, Business/Commerce, General, New Barrackpur Colony Boys High School

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

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