Resume - Immanuel Njoroge

Professional Summary

IT Support Engineer with 2+ years' experience in healthcare and ISP environments. Specializes in network infrastructure deployment (fiber splicing, wireless P2P, Mikrotik routing), systems administration, and security assessment. Led multiple fiber and wireless deployments and improved incident response by introducing standardized troubleshooting playbooks. Tools: Mikrotik RouterOS, Wireshark, Nmap, Linux, Windows Server.

Technical Skills

ITSM: Incident/Request Management, Asset Tracking, Technical Documentation

Development: Rust, MySQL, Git, Linux CLI Tools

Administration: Active Directory, Microsoft 365, PowerShell, Bash Scripting

Security Tools: Wireshark, Nmap, Firewall Configuration, Vulnerability Assessment

Networking: Mikrotik RouterOS, VLANs, DHCP/DNS, Fiber Optics (Splicing, OTDR), Wireless P2P

Cisco Certified Network Associate

2025

Cisco

Cisco Ethical Hacker

2025

Cybershujaa Program

Work Experience

IT Assistant

Kijabe Station Management · Kijabe, Kenya

Oct 2025 - Present

Manage and maintain network infrastructure and user systems, improving availability and support responsiveness.
Troubleshoot network connectivity and configuration issues to ensure reliable service delivery.
Implement security controls and monitor network performance to detect anomalies proactively.
Provide technical assistance and resolve IT incidents for end users and clients.

Internet Provider

HTN Networks · Kijabe, Kenya

Dec 2024 - Present

Deploy and configure wireless point-to-point (P2P) links (LiteBeam/Lite AC), aligning and tuning radios to provide stable connectivity for remote clients.
Execute fiber deployments including splicing, termination, and installation of terminal boxes; perform testing to verify signal quality.
Configure and maintain Mikrotik routers: routing, firewall rules, bandwidth management and network segmentation to secure client networks.
Configure and maintain Optical Line Terminal (OLT) devices, providing high-capacity, fiber-based internet access and scaling service delivery for both residential and business clients
Implement network security protocols for clients, including firewall configurations, user access controls, and regular network audits to protect against unauthorized access and mitigate cyber threats
Deploy and configure CCTV surveillance systems at client premises, integrating them with existing network infrastructure for secure remote monitoring and storage

Networking Intern

A.I.C Kijabe Hospital · Kijabe, Kenya

Jan 2024 - Nov 2024

Diagnosed and troubleshot complex incidents related to desktops, laptops, printers, and mobile devices using standard diagnostic tools.
Provided first-line IT support via phone, email, ticketing systems, and in-person, resolving hardware, software, and network issues efficiently.
Assisted in installing, configuring, and maintaining Windows operating systems and business applications including Microsoft 365.
Maintained accurate inventory and asset records; assisted with procurement, deployment, and decommissioning of IT equipment.
Onboarded new employees by provisioning devices, setting up user accounts, and providing IT orientations.
Assisted in security compliance activities such as antivirus deployment, patch management, and reporting of potential vulnerabilities.
Created and maintained incident records, updated technical documentation, and contributed to knowledge base improvements.
Participated actively in continuous improvement initiatives, team meetings, and knowledge-sharing sessions.

Wireless Network Technician

Surf Networks · Kijabe, Kenya

Sep 2023 - Dec 2023

Installed and configured point-to-point wireless devices (LiteBeam/Lite AC) for client connectivity
Performed basic signal tuning, device mounting, and Wi-Fi setup at client premises
Diagnosed and resolved connectivity issues on wireless links
Maintained basic records of site installations and device configurations

Projects

Disk Scout – Storage Monitor

Built a Rust-based CLI tool to monitor disk usage across file systems (ext4, NTFS, FAT32). Displays total, used, and available storage with color-coded warnings for capacity thresholds. Utilized for proactive server maintenance.

Tech: Rust, clap, serde

Impact: Used for proactive capacity planning and alerts to avoid service interruptions.

PortSeer – Asynchronous Port Scanner

Developed an async Rust tool to scan and report open ports on target systems. Implemented concurrent scanning with real-time feedback and robust error handling for reliable network auditing.

Tech: Rust, tokio, async I/O

Impact: Used for network auditing during ISP deployments and security assessments.