Shrikant Singh

About Shrikant Singh

I am a Network & Security Engineer with 9+ years of experience in managing and securing enterprise and cloud networks. I have worked with global clients from the US and UK, supporting critical network and security operations.Currently, I work at HCL Technologies as a Senior Network & Security Specialist, where I handle firewall support, major incidents (P1/P2), and complex network issues. I have experience in Palo Alto and FortiGate firewalls, including policy configuration, VPNs, PAN-OS upgrades, and Panorama management.I have successfully completed large-scale firewall upgrades, improved security rules, and helped reduce security incidents through proactive monitoring and troubleshooting. I also work on cloud security e.g AWS, Azure and Prisma Access. I am known for my strong troubleshooting skills, calm approach during critical incidents, and good coordination with teams and vendors. I follow proper change management and focus on keeping networks secure, stable, and reliable.

Experience

1. Senior Specialist Network & Security

   HCLTech

   Jan 2022 — Present · Noida, IN

   Lead Tier 3 Network & Security support, handling complex firewall and infrastructure issues for global enterprise clients.• Manage P1/P2 major incidents, actively participating in MI bridge calls to ensure rapid root cause analysis and minimal downtime.• Design, configure, and maintain Palo Alto & FortiGate firewalls, including security policies, NAT, URL filtering, App-ID, User-ID, SSL decryption, threat prevention, and external log forwarding.• Successfully executed PAN-OS upgrades across 500+ Palo Alto firewalls, improving performance, stability, and security posture.• Migrated 50+ Palo Alto firewalls to Panorama, enabling centralized management, policy optimization, and improved visibility.• Implement and troubleshoot Site-to-Site VPNs and GlobalProtect, including MFA and authentication integrations (SAML/Kerberos).• Conduct cloud security assessments and audits, identifying risks and implementing remediation strategies across network as per the Company policy. • Configure and manage RMA replacement firewalls, ensuring seamless deployment and compliance with change management processes.• Optimize firewall rulebases by removing duplicate and unused rules, improving security hygiene and operational efficiency.• Collaborate with cross-functional teams and vendors, providing strategic recommendations for security upgrades and architecture improvements.• Contributed to a 15% reduction in security incidents by enhancing network security protocols and proactive risk mitigation.Technologies: Palo Alto (Panorama, Prisma Cloud, GlobalProtect), FortiGate, VPN, Azure, Cisco Switching, Network Security Audits

Education

• Amity University Gwalior

  Bachelor of Technology - BTech, Computer Engineering Technology/Technician

• Sainik Inter College

  Intermediate , Mathematics

• Sainik Inter College

  High School Diploma, Mathematics

Skills

• Cisco Certified
• Research
• Windows
• Microsoft Server Platforms
• Pl/Sql
• C++
• Spice Work
• Fortigate Firewall
• C
• Programming
• English
• Html
• Active Directory
• Windows Server
• Red Hat Linux
• Ccna
• Operating Systems
• Microsoft Office
• Sql
• Office 365
• Linux
• Asp.net