Lwanga charles Kalya
I'm a
About
I am a Linux Systems and Network Infrastructure Technician with hands-on experience deploying and managing Linux servers on cloud and bare mental infrastructure. Experienced in configuring web and mail services including Nginx, Postfix, Dovecot, and SpamAssassin. Strong foundation in network engineering principles and systems security with practical exposure to client network deployments.
Linux systems & Network Engineer
Personal information.
- Birthday: 1 Jauary 2002
- Website: www.charleskalya.me
- Phone: +254 757 108357
- City: Kampala, Uganda
- Age: 24
- Education: Certificate
- Email: lwanga@mail.charleskalya.me
- Freelance: Available
I'm passionate at troubleshooting, documentation, problem solving and life-long learning.
Technical Skills
Resume
Sumary
Lwanga charles Kalya
I am a Linux Systems and Network Infrastructure Technician with hands-on experience deploying and managing Linux servers on cloud and bare mental infrastructure. Experienced in configuring web and mail services including Nginx, Postfix, Dovecot, and SpamAssassin. Strong foundation in network engineering principles and systems security with practical exposure to client network deployments.
- Busabala, Buggu
- +256 757-108357
- lwanga@mail.charleskalya.me
Education
Uganda Certificate of Education (UCE)
2018 - 2022
St. Charles Lwanga SS Kibiri
Certificate in Computer Science & IT
2023 - 2025
YMCA Comprehesive Institute
Certifications
From LPI & Cisco Network Academy
2024 - 2026
LPI Linux Essentials
Introduction to Cybersecurity (Cisco)
Cisco CCNA: Introduction to Networks (ITN)
Cisco CCNA: Switching, Routing & Wireless Essentials (SRWE)
Cisco CCNA: Enterprise Networking, Security & Automation (ENSA)
Professional Experience
Junior Network Enginear
2025 - 2026
Kampala University Gaba
- Network site survey.
- Network implementation (VLANs, subneting, & pfsence firewall).
- Network troubleshooting & maintenance
- Network documentation.
Data Entry Operator
February 2026 (Temporary)
Kampala University Gaba
- Motivated fellow data operators to work with full commitment.
- Entered students results into the data system.
- Ensured results integrity.
Projects
Personal Driven
- Linux Mail Server (Debian VPS Deployment).
- Managed server hosting and configuration setup.
- SSH configuration for secured remote connections.
- Integrated Dovecot for IMAP/POP3 email retrieval.
- Configured UFW firewall for secure traffic control.
- Installed and configured Postfix for SMTP services.
- Configured and deployed Nginx web server on Debian VPS.
- Implemented SpamAssassin for spam filtering and protection
- Deployed Debian VPS with public IP on Contabo infrastructure.
- Managed DNS and mail routing configuration for service delivery.
Portfolio
sample
- All
- Network Eginearing
- Linux Administration
Services
Network Engineering
Design & network implementation. Experience with VLANs, routing, switching, and troubleshooting connectivity issues.
IT Support
Providing technical support for hardware and software issues, system troubleshooting, user assistance, and basic network problem resolution in Linux and Windows environments.
Linux Administration
Installation, configuration, and maintenance of Linux systems. Experience with Debian-based environments, package & service management, user permissions, and system troubleshooting.
IT Training & Mentorship
Guiding beginners in IT fundamentals including Linux basics, networking concepts, and hands-on labs. Providing practical, step-by-step support to help learners get started.
Web Hosting & Deployment
Deploying and managing websites on Linux servers using Apache/Nginx. Handling file permissions, directory structure, and basic server configuration.
System Security
Implementing basic security practices such as SSH hardening, firewall configuration, and system updates to protect Linux environments.
Contact
Address
Busabala, Buggu
Call Me
+254 757 108357
Email Me
lwanga@mail.charleskalya.me