Suneel Kumar

Network Engineer | Cybersecurity Specialist | Ethical Hacker | VAPT | Cloud Security (AWS, Azure) | Python | Linux Administrator | DevOps Enthusiast

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Professional Profile

I'm Suneel Kumar, a dedicated and passionate Network Engineer currently serving at Vector Systems in Noida, Uttar Pradesh. With a robust foundation in computer science engineering and specialized training in cybersecurity, I bring a comprehensive approach to designing, implementing, and securing enterprise network infrastructures.

My professional journey has been marked by hands-on experience across diverse networking environments, from configuring high-performance routers and switches to implementing advanced security protocols. I thrive in challenging technical environments where I can leverage my expertise in routing, switching, VPN configurations, and firewall management to create secure, scalable, and efficient network solutions.

What sets me apart is my holistic understanding of the technology stack—I don't just manage networks; I secure them. My cybersecurity background enables me to anticipate vulnerabilities and implement proactive defense mechanisms. Whether it's conducting vulnerability assessments, performing penetration testing, or automating security workflows with Python and Ansible, I approach every challenge with a security-first mindset.

I'm particularly passionate about bridging the gap between traditional networking and modern cloud architectures. My experience with AWS and Azure cloud platforms, combined with DevOps tools like Docker and Red Hat Linux, positions me to architect hybrid solutions that meet today's complex business requirements while maintaining the highest security standards.

Quick Facts

  • Location: Noida, Uttar Pradesh, India
  • Home Base: Satna, Madhya Pradesh
  • Mobile: 9336395934

Professional Focus

  • Network Infrastructure Design
  • Cybersecurity & VAPT
  • Cloud Security Architecture
  • Linux System Administration
  • Automation & DevOps

Core Technical Expertise

Network Engineering

  • Routing & Switching (Cisco, Mikrotik)
  • LAN/WAN Architecture
  • Subnetting & IP Management
  • VPN & Remote Access
  • Network Performance Optimization

Cybersecurity

  • Vulnerability Assessment & Penetration Testing
  • Ethical Hacking Techniques
  • Web Application Security
  • Firewall Configuration (FortiGate)
  • Security Compliance & Best Practices

Cloud & DevOps

  • AWS & Azure Cloud Platforms
  • Docker Containerization
  • Red Hat Linux Administration
  • Ansible Automation
  • CI/CD Pipeline Management

Development Skills

  • Python Scripting & Automation
  • JavaScript Development
  • SQL Database Management
  • Network Tool Development
  • Security Tool Integration

Professional Experience Timeline

1

Network Engineer - Vector Systems

October 2025 - Present (2 months)

Noida, Uttar Pradesh

Currently leading network infrastructure initiatives at Vector Systems, focusing on enterprise-level networking solutions, security implementations, and optimization of network performance. Working with cutting-edge technologies to deliver robust and secure networking environments for diverse client requirements.

2

Network Engineer - GLOBUS INFO SERVICES PVT LTD

April 2025 - October 2025 (7 months)

Bengaluru, Karnataka, India

Played a pivotal role in configuring and managing enterprise networking equipment including Cisco routers, Mikrotik systems, and FortiGate firewalls. Successfully implemented comprehensive LAN/WAN setups with strategic subnetting and IP addressing schemes to ensure optimal data flow and network efficiency across multiple organizational sites.

3

Cyber Security Intern - TheTechUnique Academy

November 2024 - April 2025 (6 months)

Patna, Bihar, India

Spearheaded the development of an advanced web vulnerability scanning system designed to detect and analyze critical security flaws in web applications. This comprehensive project involved identifying vulnerabilities such as SQL Injection, Cross-Site Scripting (XSS), insecure server configurations, and outdated software components that could expose systems to potential threats.

Key Achievements at GLOBUS INFO SERVICES

Enterprise Infrastructure Management

Successfully configured and maintained critical networking infrastructure including Cisco enterprise routers, Mikrotik systems, and FortiGate next-generation firewalls. Ensured 99.9% uptime across multiple client environments through proactive monitoring and rapid issue resolution.

Network Architecture & Design

Led the implementation of comprehensive LAN/WAN setups with sophisticated subnetting strategies and optimized IP addressing schemes. Designed network topologies that improved data flow efficiency by 35% while reducing latency across distributed organizational sites.

Performance Monitoring & Diagnostics

Utilized advanced network analysis tools including Wireshark for deep packet inspection and SolarWinds for comprehensive network performance monitoring. Implemented proactive troubleshooting protocols that reduced mean time to resolution (MTTR) by 40% and significantly improved overall network reliability.

Security Implementation & Hardening

Deployed robust security measures including VLAN segmentation for network isolation, granular Access Control Lists (ACLs) for traffic filtering, and sophisticated firewall rule sets to enhance network protection. Successfully mitigated potential security threats and ensured compliance with industry security standards.

Remote Access Solutions

Designed and implemented secure VPN configurations and remote access solutions that enabled seamless connectivity for distributed workforces. Configured site-to-site and client-to-site VPN tunnels using IPsec and SSL protocols, ensuring encrypted communications and secure remote access for over 200 users.

Cybersecurity Project: Web Vulnerability Scanner

Project Overview

During my internship at TheTechUnique Academy, I developed a sophisticated web vulnerability scanning system that revolutionizes how organizations identify and remediate security flaws in their web applications. This comprehensive security solution represents the intersection of automated scanning, intelligent analysis, and actionable reporting.

The system was engineered to detect critical vulnerabilities including SQL Injection attacks, Cross-Site Scripting (XSS) vulnerabilities, insecure server configurations, authentication bypasses, and outdated software components that could serve as entry points for malicious actors.

Technologies & Tools Used

  • Python for core scanning engine development
  • OWASP ZAP for web application security testing
  • Nmap for network discovery and security auditing
  • Custom vulnerability detection modules
  • CVSS scoring system for severity assessment
01

Automated Scanning

Implemented automated scanning modules using Python and integrated open-source security tools like OWASP ZAP and Nmap to conduct comprehensive vulnerability assessments across web applications and network infrastructure.

02

Vulnerability Detection

Developed custom detection algorithms to identify SQL Injection, XSS, CSRF, insecure configurations, and authentication flaws. The system performs both active and passive scanning to ensure comprehensive coverage.

03

Risk Analysis & Scoring

Integrated intelligent report generation capabilities with CVSS severity scoring to help security teams prioritize vulnerabilities based on their potential impact and exploitability in production environments.

04

Penetration Testing

Applied advanced penetration testing techniques to validate discovered vulnerabilities, ensuring low false-positive rates and providing proof-of-concept exploits where appropriate for critical findings.

05

Mitigation Strategies

Enhanced web application security posture through detailed mitigation strategies, patch recommendations, and secure coding guidelines tailored to each identified vulnerability type.

Educational Background

Bachelor of Technology in Computer Science Engineering

AKS University, Satna

July 2021 - April 2025

Completed a comprehensive Bachelor of Technology degree in Computer Science Engineering with a focused specialization in networking, cybersecurity, and software development. The curriculum provided a strong foundation in data structures, algorithms, computer networks, operating systems, database management, and cybersecurity principles. Engaged in multiple hands-on projects involving network design, security implementations, and software development using modern programming languages and frameworks.

Higher Secondary Education (PCM)

Chitrakoot Inter College, Karwi Chitrakoot

April 2019 - April 2021

Successfully completed higher secondary education with Physics, Chemistry, and Mathematics (PCM) stream, establishing a strong foundation in analytical thinking, problem-solving, and scientific methodology. Achieved excellent academic performance and developed a keen interest in technology and computer science, which paved the way for pursuing engineering education and a career in networking and cybersecurity.

Professional Certifications

Red Hat OpenShift Development I

Introduction to Containers with Podman (DO188-RHA) - Version 4.14

Earned advanced certification in Red Hat OpenShift, demonstrating proficiency in containerization technologies, Podman container management, and enterprise-grade container orchestration. This certification validates expertise in developing, deploying, and managing containerized applications in modern cloud-native environments using Red Hat's industry-leading platform.

Cisco Certified Networking

Networking Devices and Initial Configuration

Achieved Cisco certification demonstrating foundational expertise in networking devices and initial configuration procedures. This certification validates comprehensive knowledge of Cisco networking equipment, router and switch configuration, network protocols, and best practices for enterprise network deployment and management.

Cisco Python Programming Certificate

Completed specialized Cisco certification in Python programming for network automation and management. This credential demonstrates proficiency in using Python for network device configuration, automation of repetitive networking tasks, API integration, and development of custom network management tools and scripts.

Freshfields UK Law and Fintech Job Simulation

Participated in an immersive job simulation program focused on the intersection of legal frameworks and financial technology. Gained valuable insights into regulatory compliance, data protection laws, cybersecurity legal requirements, and the legal implications of emerging technologies in the financial services sector.

Technical Skills Matrix

Network Design & Implementation

Expert-level proficiency in designing and implementing complex network architectures. Skilled in creating scalable, high-performance network infrastructures using industry-standard protocols and best practices. Experience spans from small business networks to enterprise-level deployments with hundreds of endpoints.

Wireshark Protocol Analysis

Advanced capabilities in packet capture and analysis using Wireshark for network troubleshooting, performance optimization, and security investigation. Proficient in analyzing network traffic patterns, identifying anomalies, detecting security threats, and resolving complex connectivity issues through deep packet inspection.

Nmap Network Scanning

Extensive experience with Nmap for network discovery, security auditing, and vulnerability assessment. Skilled in conducting comprehensive network scans, port enumeration, service detection, OS fingerprinting, and vulnerability identification to maintain robust network security postures.

Firewall Management

Comprehensive expertise in configuring and managing enterprise firewalls including FortiGate, Cisco ASA, and other next-generation firewall solutions. Proficient in creating security policies, implementing intrusion prevention systems, and establishing secure perimeter defenses for organizational networks.

Linux System Administration

Strong command of Linux system administration across multiple distributions including Red Hat, Ubuntu, and CentOS. Experienced in server configuration, user management, security hardening, shell scripting, and maintaining high-availability Linux-based infrastructure for enterprise environments.

Ansible Automation

Proficient in using Ansible for infrastructure automation, configuration management, and application deployment. Skilled in creating playbooks, managing inventories, automating repetitive tasks, and orchestrating complex multi-tier deployments across diverse infrastructure environments.

Let's Connect

Ready to Collaborate

I'm always interested in connecting with fellow professionals, exploring new opportunities, and discussing innovative approaches to networking and cybersecurity challenges. Whether you're looking for a dedicated network engineer, a cybersecurity specialist, or someone passionate about building secure, scalable infrastructure solutions, I'd love to hear from you.

With my comprehensive background in network engineering, hands-on cybersecurity experience, and continuous commitment to staying current with emerging technologies, I'm ready to contribute to challenging projects and help organizations strengthen their network infrastructure and security posture.

Contact Information

  • Mobile: +91 9336395934
  • Location: Noida, Uttar Pradesh, India

Feel free to reach out via email or connect with me on LinkedIn. I'm open to discussing networking projects, cybersecurity challenges, cloud infrastructure opportunities, or potential collaborations. Let's work together to build more secure and efficient network environments!

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