Dhirendra Sharma
Network Security Engineer
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About
Result-oriented and highly skilled Network Security Engineer with 9 years of robust IT experience, including 4 years specializing in Network Engineering and 5 years in Data Center Operations. Proven expertise in designing, implementing, and managing secure enterprise networks. Hands-on specialist in high-availability environments, utilizing Palo Alto and Check Point firewalls to protect critical infrastructure.
Dual-certified in Cisco and Juniper technologies (CCNA & JNCIA), with a strong track record of optimizing network performance, mitigating security vulnerabilities, and ensuring zero-downtime data center operations.
Experience
Network Security Engineer / L2 Network Engineer - Inspira Enterprise Ltd - Jodhpur – Disaster recovery Site, Govt. of Rajasthan
(2021-06)
- Administer, configure, and maintain enterprise-grade Palo Alto and Check Point firewalls to safeguard corporate assets and data.
- Design and deploy secure network topologies involving complex routing protocols (BGP, OSPF) and switching infrastructure.
- Implement security policies, Threat Prevention, URL Filtering, and App-ID on Palo Alto NGFWs to mitigate modern cyber threats.
- Establish and troubleshoot secure communication channels using IPsec Site-to-Site VPNs and remote access solutions (GlobalProtect).
- Perform regular firewall rule base audits, optimization, and clean-up on Check Point platforms using SmartConsole.
- Collaborate with cross-functional teams to resolve complex Level 2 network and security incidents, significantly reducing Mean Time to Resolution (MTTR).
Data Center Operations Engineer - Aurionpro Solution Ltd - Abhay Command Control Centre, Doitc-Govt of Rajasthan
(2018-03 - 2021-06)
- Managed daily data center operations, ensuring 99.99% uptime for critical infrastructure, servers, and core network switches.
- CCTV & Physical Security: IP Camera Deployment, Network Video Recorders (NVR/VMS), PoE Switching, Video Traffic Isolation (VLANs), Storage Calculation.
- Executed data center migrations, hardware refreshes, and structured cabling (fiber/copper) layouts following industry best practices.
- Configured and maintained high-availability network topologies, including HSRP, VRRP, and EtherChannel link aggregation.
- Monitored environmental factors (power, cooling, rack space allocation) and utilized network monitoring tools to proactively identify hardware degradation.
- Developed and tested comprehensive Disaster Recovery (DR) and business continuity plans for data center network assets.
- Assisted in the onboarding and provisioning of new multi-tier rack architectures for enterprise clients.
Education
Bachelor of Technology (B.Tech) - Computer Science Engineering - Rajasthan Technical University (2014)
Master of Engineering (M.E) - Computer Science Engineering - MBM University (2025)