Kelvin.
About Skills
Contact
Call Kelvin: +254 712 350 854
Available for Software Development, Networking & Coding Tutoring

I'm Kelvin

Spring Boot

As a consummate IT expert, I command comprehensive knowledge across all domains, fortified by adept handling of Debian systems. From crafting resilient infrastructures to fortifying cybersecurity, I ensure unparalleled excellence and reliability.

Cisco Packet Tracer Labs GitHub Projects
3 Years
Software & Networking
8+ Labs
Cisco Packet Tracer
Gated
Passcode / Call Verification
Kelvin
Python WordPress IT Technician Databases

Skills & Technologies

Technical proficiency across core software engineering, cloud computing, and databases.

JavaScript 95%
Angular 90%
Spring Boot 85%
Node.js 85%
Python 75%
AWS 70%
Windows Server 70%

Technologies I work with

Angular
Next.js
Spring Boot
Node.js
Python
PostgreSQL
MySQL
AWS
Docker
Postman
Windows Server
Interactive Network Engineering Sandbox

Hands-on Networking Labs & Cisco Packet Tracer

Test interactive enterprise network topologies: Inter-VLAN routing (Router-on-a-Stick), OSPF dynamic routing, Access Lists (ACL 101), subnet calculations, and Wireshark packet traces.

Cisco 2911 Router + Cisco 2960 Switch

Enterprise Inter-VLAN Routing (Router-on-a-Stick)

802.1Q Trunk Active
PC-1 (Engineering)
192.168.10.10/24
VLAN 10 • Fa0/10
Cisco 2960 Switch
Fa0/1 Trunk → G0/0
VLANs 10, 20, 30
Cisco 2911 Router
g0/0.10, g0/0.20, g0/0.30
Router-on-a-Stick
DMZ Web Server
192.168.30.50/24
VLAN 30 • Port 80/443
Simulate Ping: PC-1 (VLAN 10) → Web Server (VLAN 30)
Cisco 2911 CLI (Console 0) Commands: show ip int brief, show vlan brief, show ip route, ping
Cisco IOS Software, 2900 Software (C2900-UNIVERSALK9-M), Version 15.1(4)M4
Enterprise Router Cisco 2911 online. Type "help" for command list.
Router#

Download Complete Networking Lab PDF Guide & Topologies

A 13-page Cisco IOS command reference and troubleshooting guide: VLANs, 802.1Q trunking, OSPF, ACLs, NAT, DHCP, port security, Wireshark filters, subnetting and a full router-on-a-stick lab config.

Browse GitHub Repo
Open Source & GitHub Repositories

Featured Projects & Repositories

Every project is linkable directly to GitHub with live interactive demos and full source code.

Target GitHub Profile: github.com/Nivkel-web
Cisco Packet Tracer Open Lab Sandbox

Cisco Packet Tracer Enterprise Lab

Enterprise Router-on-a-Stick inter-VLAN routing, dynamic OSPF routing protocol with redundant serial failover, and port ACL firewalls.

Cisco 2911 802.1Q VLAN OSPF
GitHub Repo
Task Manager

Task Manager Enterprise App

Responsive task dashboard with reactive state, inline double-click editing, and local persistent storage.

Angular JavaScript Signals
GitHub Repo
Student Records API

Student Records REST API

Spring Boot RESTful microservice with input validation (Hibernate Validator), HTTP status responses, and JPA repository.

Spring Boot Java JPA
GitHub Repo
Weather Checker

Weather Checker App

Global meteorological forecast application querying the Open-Meteo REST API with 5-day temperature predictions.

JavaScript Open-Meteo REST API
GitHub Repo
Expense Tracker

Expense & Cashflow Tracker

Financial dashboard tracking income vs expenditure ratios with running balance calculators and categorical breakdowns.

Angular Spring Boot FinTech
GitHub Repo
Notes API

Dockerized Notes API

Lightweight Node.js Express REST microservice packaged in an Alpine Linux Docker container for rapid deployment.

Node.js Docker Express
GitHub Repo
Updated Q4 2026 • Verified Career Dossier

Curriculum Vitae & Experience

Urging prospective employers and technical recruiters: download my latest updated CV to explore full enterprise milestones, production architectures, and technical credentials.

Download Kelvin's Full Resume

Comprehensive dossier: Software Development, Cisco Networking, Windows Server, & Coding Tutoring

To respect proprietary enterprise client projects, high-availability SLA architectures, and direct executive contact channels, full career details are summarized in this downloadable, password-protected CV.

Access Requirement for Employers & Recruiters

To download, please Call Kelvin directly for verbal authorization or input the private security passcode provided to you by Kelvin.

Current Security State: Gated • Private Passcode Required
Call Kelvin: +254 712 350 854

Direct downloadable PDF • 100% Mobile & Desktop compatible

Programming Tutor

I teach coding from scratch to advanced levels, guiding learners through programming fundamentals, practical projects, debugging, and building real applications with programming languages.

Full-Stack Architecture

Builds applications with Angular, Spring Boot, Node.js, and related technologies, with a focus on performance optimization.

Cisco Network Engineering

Experienced with Cisco Packet Tracer enterprise network design, 802.1Q Inter-VLAN routing, OSPF dynamic topologies, ACL firewalls, and packet-level troubleshooting in Wireshark.

Cloud & DevOps Readiness

Production containerization with Docker, scalable AWS infrastructure (VPC, EC2, S3), Linux administration, automated CI/CD workflows, and database indexing.

Get In Touch

Open for full-stack engineering roles, network infrastructure consulting, and architecture reviews.

Send a Message

Direct Contact Lines

Direct Phone +254 712 350 854
Email Address kmugo6839@gmail.com
Location Nakuru, Kenya
Chat on WhatsApp