Sharma Rishi

Cybersecurity and Application Delivery Engineer with 5 years of experience securing and optimizing enterprise network infrastructure for banking and corporate clients. Specialized in F5 BIG-IP (LTM, Advanced WAF, ASM), F5 Distributed Cloud (XC), and NGINX Plus/One, with hands-on expertise in load balancing, reverse proxy architecture, Web Application Firewall (WAF) policy design, and API security. Skilled in vulnerability assessment, penetration testing, and root cause analysis (RCA), with a track record of resolving complex production issues and reducing security exposure.

Trusted technical point of contact for enterprise clients, combining strong troubleshooting ability with clear customer communication to deliver secure, scalable, and reliable application delivery solutions.

Associate Consultant at Zen Exim Private Limited (2023-05 – Present)

• Deploy and administer F5 BIG-IP (LTM, Advanced WAF, ASM), F5 Distributed Cloud (XC), NGINX Plus, and NGINX One to deliver secure, high-availability application infrastructure for banking and enterprise clients.
• Design and configure advanced load balancing and reverse proxy architectures that improve application scalability, reliability, and uptime across multiple client environments.
• Build and enforce WAF security policies, including DDoS protection and bot defense controls, to protect production systems against evolving cyber threats.
• Conduct security assessments and root cause analysis (RCA) on newly onboarded technologies, identifying vulnerabilities and hardening infrastructure before go-live.
• Own end-to-end delivery of application security implementations across Delhi and Mumbai, coordinating deployment schedules to ensure on-time, zero-disruption rollouts.
• Act as the primary technical escalation point for banking and corporate clients, troubleshooting production issues and resolving customer escalations to minimize downtime.

Desktop Engineer at CMS IT Services (2021-07 – 2023-05)

• Delivered technical support and troubleshooting across desktop hardware, software, and peripherals, maintaining minimal downtime for end users.
• Deployed and administered operating systems and business-critical applications for a large user base.
• Executed routine security maintenance, including patching, antivirus scanning, and disk optimization, to strengthen endpoint security posture.
• Partnered with cross-functional IT teams to diagnose and resolve system issues, improving overall user experience and support turnaround time.

Penetration Testing Intern at Cyber Hawkz (2021-08 – 2021-12)

• Performed Vulnerability Assessment and Penetration Testing (VAPT) on web applications, identifying and documenting security vulnerabilities.
• Simulated real-world attack scenarios to evaluate application security posture and validate existing defensive controls.
• Delivered actionable remediation recommendations that helped the development team reduce exposure to identified risks.
• Collaborated with developers to implement and verify security fixes prior to release.

Bachelor of Computer Applications in Computer Applications – Modern Group of Colleges (2022-08 – 2026-08)

Diploma in Computer Science and Engineering – Punjab State Board of Technical Education (2019-06 – 2021-12)