Himalayan Online Service Pvt. Ltd. – Network Technical Support Intern
Intern- LAN support and troubleshooting
- Router and wireless configuration assistance
- Network monitoring and issue resolution
- Team collaboration for service stability
Cybersecurity Networking
Nabin Tiwari
Aspiring Network & Security Engineer | Cybersecurity Enthusiast | Pentesting Enthusiast
Building secure networks, understanding traffic, and learning to defend systems.
About Me
A quick summary of what I’m learning and how I approach networking & security.
Computer Science student with knowledge of networking, cybersecurity, and system administration. Skilled in configuring and troubleshooting networks, managing Active Directory environments, implementing Group Policies, and monitoring network traffic using tools such as Wireshark and Nmap. Familiar with DHCP, VLANs, access control, Windows/Linux systems, and virtualized lab environments. Experienced in ISP environments providing technical support, with a strong understanding of networking and system infrastructure.
Skills
Core topics I work with.
Networking
85%
System Administration
80%
Virtualization
75%
Security
78%
Tools
88%
Experience
Hands-on support and troubleshooting experience.
Projects
A few labs and designs showcasing practical networking & security skills.
Windows Server 2022 Active Directory Lab
Built an AD DS environment to understand domain setup, user/group management, and policy-driven configuration using GPO.
Windows Server 2022
AD DS
GPO
Network Security Monitoring Lab (Snort + UFW)
Implemented a security monitoring setup using Snort IDS and configured UFW rules for controlled inbound/outbound traffic.
Snort IDS
UFW
Traffic Analysis
Enterprise Network Design (VLAN, ACL, routing)
Designed a segmented network with VLANs and ACLs, focusing on routing strategy and access control between network zones.
VLANs
ACLs
Inter-VLAN Routing
Linux System Administration Lab
Practiced core Linux administration tasks: services, permissions, and basic hardening—building a strong base for security work.
Linux
Networking Basics
System Hardening
Certifications
Courses and practice labs I’ve completed or worked through.
CCNA: Introduction to Networks (Cisco)
CCNA: Switching, Routing & Wireless Essentials
Introduction to Cyber Security (Simplilearn)
Fortinet Threat Landscape 3.0
Google Cloud Security Fundamentals
TryHackMe Labs (Vulnversity, Nmap, SQL Injection, Burp Suite)
PortSwigger Web Security Academy Labs
Education
Currently pursuing my degree.
Texas College of Management & IT
Bachelor of Computer Science (BCS)
Contact
Feel free to reach out for collaborations, labs, or networking opportunities.
Want to view more?
Scroll back to projects or send a message—happy to share lab notes and solutions.
Projects