Rohit Singh

Security-focused Network Engineer with over 7 years of experience in Email and Web Security, Firewall Management, and Enterprise Network Support. Specialized in Cisco Secure Email Gateway (ESA/IronPort), Cisco Secure Web Appliance (WSA), Palo Alto Firewalls, and O365 security integrations. Experienced in implementing advanced threat protection solutions including DLP, AMP, TLS encryption, URL filtering, and authentication standards.

Network Engineer - Capgemini Engineering - Gurugram

(2022-11)

Cisco Secure Email Gateway (ESA / IronPort)

• Configured and managed Cisco ESA appliances (C100V, C300V, C600V series).
• Implemented Anti-Spam, Anti-Virus, AMP, DLP, Graymail, and Content Filters.
• Implemented SPF, DKIM, and DMARC authentication.
• Troubleshot phishing, spoofing, malware, and SMTP routing issues.
• Configured TLS encryption and managed certificate lifecycle.
• Performed upgrades, patches, and validation.
• Supported O365 integrations and licensing.
• Used Cisco SMA for centralized logging and reporting.
• Configured WSA appliances for secure internet browsing.
• Implemented URL filtering and web reputation policies.
• Configured HTTPS inspection and SSL decryption.
• Supported PAC files, Explicit Proxy, and WCCP redirection.
• Managed proxy certificates and upgrades.

Associate Engineer – FND - British Telecom Global Business Services Pvt. Ltd. - Gurugram

(2018-12 - 2022-11)

• Configured and managed Palo Alto firewalls including App-ID, User-ID, and Content-ID.
• Implemented WildFire integration for malware protection.
• Configured High Availability and security policies.
• Provided global remote troubleshooting support.

B.Tech - Computer Science - Guru Gobind Singh Indraprastha University (2018)