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Raman Kumar is a Network Security Engineer with extensive experience in network and security engineering, currently employed at Sigma Connected Group since January 2022. Prior to this role, Raman worked at Coforge from June 2019 to October 2021, specializing in configurations of Cisco ASA and Palo Alto firewalls, security analyses, and implementation of access rules. Earlier positions include Network Engineer at Bharti Airtel Services, managing LAN/WAN projects and configuring various router and switch technologies, as well as Senior Technical Support Engineer at Tata Business Services & Support Limited. Raman holds a Postgraduate Diploma in Cyber Security from Indira Gandhi National Open University and a Bachelor's degree in Computer Science from Haryana College of Technology & Management.