Papan Saha
Bengaluru
Summary
Dynamic Network and Security professional with over 10 years of experience in firewall management, network infrastructure, and security operations within enterprise environments. Proficient in leveraging advanced technologies such as Palo Alto, Fortinet, Cisco, and Checkpoint for effective firewall configurations, policy management, and troubleshooting. Proven ability to manage large-scale network environments, implement robust security measures, and perform vulnerability mitigation while ensuring seamless support for enterprise clients through efficient troubleshooting and change management processes. Committed to enhancing network security posture and driving operational excellence in fast-paced settings.
Overview
11
11
years of professional experience
Work History
Security Delivery Team Lead
Accenture
12.2023 - Current
- Implement and manage firewall rules and security policies across Palo Alto, Azure WAF, and Cisco firewalls.
- control and maintain Palo Alto Cisco firewalls and FortiNAC.
- Implement network device modifications following enterprise change management protocol.
- Coordinated efforts of cross-functional teams to enhance delivery efficiency and increase client satisfaction.
- Execute firewall firmware upgrades and log collector enhancements.
- Implement firewall rule assessments and conduct comprehensive security audits.
- Implement Azure WAF rules and handle certificate renewal processes.
- Execute real-time diagnostics for firewall and network issues.
- Facilitate vulnerability assessments and enhance mitigation measures.
- Engaged in resolving P1 issues and performed ECRs when necessary to ensure service continuity.
- Collaborate with OEM vendors for issue resolution.
- Prepared SOPs and performed routine updates to KB documentation to align with evolving practices
- Upgrade FortiNAC firmware and manage policy configurations.
- Managed Fortinac transition from version 8.8 to 9.4.5.
Consultant – Infrastructure Management
Infosys Limited
10.2022 - 11.2023
- Implemented firewall configurations and policies utilizing Palo Alto and Cisco ASA technologies.
- Managed and reinforced reliability of enterprise network devices.
- Executed firewall firmware upgrades and IOS updates on Cisco devices.
- Delivered troubleshooting support for firewall and network-related issues
- Completed detailed review of firewall rules and mitigated identified vulnerabilities
- Executed changes utilizing standard change management procedures.
- Administered various data center network environments
Consultant / Senior Security Analyst
Capgemini Technology Services India Limited
01.2022 - 10.2022
- Configured firewall rules and maintained enterprise firewall environments.
- Executed firewall firmware upgrades and applied checkpoint hotfix upgrades.
- Utilized FortiManager and FortiAnalyzer for effective monitoring and management
- Diagnosed and addressed network and firewall challenges
- Guided users through process of obtaining firewall access permissions.
- Executed FortiGate firewall upgrade
- Manage device conditions proactively
- Addressed p1-related challenges.
Senior Network & Security Engineer
Wipro Ltd.
04.2018 - 01.2022
- Implemented, configured, and sustained enterprise network devices.
- Executed Cisco ACI implementation and fabric configuration
- Executed backup processes for checkpoint Fortigate, Cisco ASA, and FTD firewalls.
- Configured firewall policies across ASA Checkpoint and Fortigate platforms.
- Managed network oversight and addressed challenges through effective troubleshooting
- Orchestrated installation and configuration of Cisco and HP switches and routers.
- Implemented checkpoint hotfix upgrades while optimizing clustering functionality.
- Configuration and troubleshooting of Layer 2 & Layer 3 switches, routers, and firewalls
- Executed checkpoint version upgrade
- Contributor to implementation project team focused on configuring new firewall and transitioning firewall from different platform.
- Strong understanding of network architecture, traffic flow analysis, device-level diagnostics, and ensuring high availability and operational continuity in enterprise environments.
- Hardware installation, commissioning, and troubleshooting of network devices at site level.
Network Support Engineer
DHII Health Tech Pvt Ltd
10.2015 - 04.2018
- Provided network field support while deployed at Wipro.
- Configured and maintained Cisco routers, switches and firewalls.
- Performed IOS and firmware upgrades across multiple network devices.
- Installed and configured Cisco routers, switches, ASA firewalls and FortiGate devices.
- Performed PAN-India network troubleshooting.
- Maintained LAN infrastructure and network monitoring tools.
- Installation and configuration of Cisco Access Points for enterprise wireless environments
- Network monitoring and fault management using HP Network Node Manager (HP NNM)
Education
B.Tech - Electrical Engineering
West Bengal University of Technology
Howrah07-2013
Skills
- Palo Alto firewall management
- FortiGate and FortiNAC expertise
- Cisco ASA, Cisco FTD, Cisco ACI
- Checkpoint firewall management
- Firewall policy configuration
- Firewall migration expertise
- Network device setup proficiency
- Cisco IOS management
- Installation and configuration of network devices
- Network troubleshooting
- Azure WAF rule setup
- ServiceNow incident management
- Experience with network management tools
Languages
Bengali
English
Hindi
Disclaimer
I, Papan Saha, hereby declare that all the above information is correct and complete to the best of my Knowledge.
Timeline
Security Delivery Team Lead
Accenture
12.2023 - Current
Consultant – Infrastructure Management
Infosys Limited
10.2022 - 11.2023
Consultant / Senior Security Analyst
Capgemini Technology Services India Limited
01.2022 - 10.2022
Senior Network & Security Engineer
Wipro Ltd.
04.2018 - 01.2022
Network Support Engineer
DHII Health Tech Pvt Ltd
10.2015 - 04.2018
B.Tech - Electrical Engineering
West Bengal University of Technology