Rajeev's CV
Rajeev Kumar Rai
Senior Network Security & Application Delivery Engineer
Profile summary
Accomplished Senior Network Security and Application Delivery Engineer with over 10 years of progressive experience in network security and application delivery within GCC and enterprise environments. Managing F5 BIG-IP platforms, Palo Alto firewalls, and cloud security integrations to ensure continuous availability and secure traffic distribution. Brings cross-cultural team leadership across multiple international assignments, applying rigorous compliance standards to critical banking and infrastructure operations. Dedicated to maintaining system integrity through structured incident resolution and root cause analysis.
Career highlights
Application Delivery and Security: Managed application delivery, security, and traffic management systems within a critical banking environment while configuring F5 BIG-IP LTM, GTM, ASM/WAF, and Cloudflare platforms.
Network Security and Compliance: Directed network security engineering operations, guiding firewall architecture and compliance alignment across enterprise client environments for ISO 27001 standards.
Firewall and Infrastructure Protection: Administered Palo Alto, FortiGate, and Cisco ASA firewalls alongside F5 LTM and GTM deployments to maintain continuous application availability and secure traffic distribution.
Professional Certifications: Holds professional certifications including CISSP, F5 Certified Administrator, BIG-IP ASM Specialist 303, BIG-IP DNS Specialist 302, Palo Alto PCNSA and PCNSE, and Fortinet NSE4 and NSE5.
Key skills
Professional experience
Directs application delivery, security, and traffic management platforms within a critical banking environment. Coordinates with application, network, security, and infrastructure teams to process requirements and onboard applications.
- Configures VIPs, pools, health monitors, SSL/TLS, DNS, GTM wide IPs, load balancing, traffic management, and WAF policies.
- Manages F5 BIG-IP LTM, GTM/DNS, ASM/WAF, and Cloudflare platforms.
- Implements Cloudflare to GTM/DNS to firewall to F5 LTM/WAF to application integration for secure and available delivery.
- Manages Cloudflare DNS, proxy, and WAF integration for application security and traffic protection.
- Executes production changes, deployments, troubleshooting, upgrades, maintenance, incident resolution, and RCA.
Directed infrastructure operations within enterprise environments, overseeing F5 load balancing, security policies, and DNS architectures. Managed global traffic distribution and firewall administration while supporting business continuity planning and operational documentation.
- Configured F5 LTM for provisioning, traffic distribution, SSL offloading, iRules, and persistence.
- Tuned F5 GTM for global traffic management and DNS load balancing across multiple data centers.
- Handled day-to-day firewall operations on Palo Alto and F5 devices, including change management and troubleshooting.
Managed network security engineering operations, guiding firewall architecture and compliance alignment across enterprise client environments for ISO 27001 standards during the 2023 to 2024 period.
- Configured Palo Alto firewalls, optimized policies, and resolved technical issues within enterprise networks.
- Executed firewall migration projects to maintain continuous operations during cutover phases.
- Applied NIST, PCI-DSS, and COBIT frameworks to security operations and established business continuity procedures.
Directed infrastructure protection operations across enterprise network environments, guiding security posture maintenance and routing security tasks for engineering squads while administering border defense infrastructure, traffic managers, and policy analysis systems to maintain network integrity.
- Administered Palo Alto, FortiGate, and Cisco ASA firewalls alongside F5 LTM and GTM deployments to maintain continuous application availability and secure traffic distribution.
- Executed firewall policy analysis, rule cleanup, and compliance reporting using AlgoSec while documenting standard operating procedures for incident response and root cause analysis activities.
- Configured and maintained firewalls, routing protocols, and load balancing infrastructure to support data center connectivity.
- Troubleshot complex network issues and directed remediation efforts during active security incidents.
- Configured Check Point, Palo Alto, ASA, Juniper, FortiGate, and F5 LTM firewalls to secure enterprise network environments.
- Resolved day-to-day latency anomalies, VLAN discrepancies, ACL restrictions, NAT configurations, and routing errors.
- Configured and maintained Palo Alto, Check Point, and F5 LTM devices to support network stability and operational requirements.
- Managed IPSec and SSL VPN tunnels, NAT policies, ClusterXL high availability setups, and firewall rule management.
- Monitored and maintained FortiGate, Palo Alto, and Cisco ASA firewalls.
- Executed network migrations, upgrades, and implementations.
- Configured and maintained Palo Alto firewalls with security rules and policies to secure network perimeters.
- Performed IOS upgrades on Cisco routers and switches to maintain system stability and performance.
- Provisioned F5 Local Traffic Manager resources to distribute traffic, offload SSL, and maintain iRules and persistence configurations.
- Configured and tuned F5 Global Traffic Manager for global traffic management and DNS load balancing across multiple data centers.
Education
Electronics & Communication Engineering