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Hi, I'm Denis Kariuki, an IT professional with over 4 years of hands-on experience delivering desktop support, hardware troubleshooting, network support, and end-user technical assistance across retail, energy, and corporate environments. I pride myself on diagnosing and resolving hardware, software, and connectivity issues for 100+ end users, configuring routers and Wi-Fi networks for reliable LAN/WAN connectivity, and maintaining accurate IT asset and inventory records.\n\nI am proficient in Windows OS installation, Microsoft 365 support, printer and peripheral configuration, and ticket-based incident resolution under SLA-driven environments. I have a track record of reducing equipment downtime and improving first-time fix rates, while delivering friendly, professional support that keeps end users productive. I look forward to applying my hands-on IT and design skills to deliver dependable technology solutions across Qatar's evolving ICT landscape.…Hi, I'm Denis Kariuki, an IT professional with over 4 years of hands-on experience delivering desktop support, hardware troubleshooting, network support, and end-user technical assistance across retail, energy, and corporate environments. I pride myself on diagnosing and resolving hardware, software, and connectivity issues for 100+ end users, configuring routers and Wi-Fi networks for reliable LAN/WAN connectivity, and maintaining accurate IT asset and inventory records.\n\nI am proficient in Windows OS installation, Microsoft 365 support, printer and peripheral configuration, and ticket-based incident resolution under SLA-driven environments. I have a track record of reducing equipment downtime and improving first-time fix rates, while delivering friendly, professional support that keeps end users productive. I look forward to applying my hands-on IT and design skills to deliver dependable technology solutions across Qatar's evolving ICT landscape.

Denis Kariuki

Web Developer, Brand Designer, Graphic Designer, +1

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Hi, I'm Denis Kariuki, an IT professional with over 4 years of hands-on experience delivering desktop support, hardware troubleshooting, network support, and end-user technical assistance across retail, energy, and corporate environments. I pride myself on diagnosing and resolving hardware, software, and connectivity issues for 100+ end users, configuring routers and Wi-Fi networks for reliable LAN/WAN connectivity, and maintaining accurate IT asset and inventory records.\n\nI am proficient in Windows OS installation, Microsoft 365 support, printer and peripheral configuration, and ticket-based incident resolution under SLA-driven environments. I have a track record of reducing equipment downtime and improving first-time fix rates, while delivering friendly, professional support that keeps end users productive. I look forward to applying my hands-on IT and design skills to deliver dependable technology solutions across Qatar's evolving ICT landscape.…Hi, I'm Denis Kariuki, an IT professional with over 4 years of hands-on experience delivering desktop support, hardware troubleshooting, network support, and end-user technical assistance across retail, energy, and corporate environments. I pride myself on diagnosing and resolving hardware, software, and connectivity issues for 100+ end users, configuring routers and Wi-Fi networks for reliable LAN/WAN connectivity, and maintaining accurate IT asset and inventory records.\n\nI am proficient in Windows OS installation, Microsoft 365 support, printer and peripheral configuration, and ticket-based incident resolution under SLA-driven environments. I have a track record of reducing equipment downtime and improving first-time fix rates, while delivering friendly, professional support that keeps end users productive. I look forward to applying my hands-on IT and design skills to deliver dependable technology solutions across Qatar's evolving ICT landscape.

Available to hire

Hi, I’m Denis Kariuki, an IT professional with over 4 years of hands-on experience delivering desktop support, hardware troubleshooting, network support, and end-user technical assistance across retail, energy, and corporate environments. I pride myself on diagnosing and resolving hardware, software, and connectivity issues for 100+ end users, configuring routers and Wi-Fi networks for reliable LAN/WAN connectivity, and maintaining accurate IT asset and inventory records.\n\nI am proficient in Windows OS installation, Microsoft 365 support, printer and peripheral configuration, and ticket-based incident resolution under SLA-driven environments. I have a track record of reducing equipment downtime and improving first-time fix rates, while delivering friendly, professional support that keeps end users productive. I look forward to applying my hands-on IT and design skills to deliver dependable technology solutions across Qatar’s evolving ICT landscape.

Skills

Experience Level

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Swahili

Advanced

Arabic

Beginner

Work Experience

IT Support Technician / Office Operations Assistant at Kayemme Trading Services

February 1, 2026 - Present

Deliver first-line IT and administrative support to a 20+ person office, resolving hardware, software, and connectivity issues to maintain daily productivity. Maintain and troubleshoot desktop computers, printers, and office peripherals, achieving a high first-time fix rate on routine hardware faults. Support Microsoft 365 applications for staff, resolving access, configuration, and software-related issues. Manage IT records and equipment inventories with 100% accuracy. Assist with onboarding by preparing workstations and providing new-hire technical orientation.

IT Field Technician & Technology Solutions Manager at Renian Enterprises Solutions (Self-Employed)

January 1, 2024 - December 1, 2025

Provided end-to-end IT field support to 100+ residential and business clients, including hardware diagnostics, repairs, and on-site troubleshooting. Installed and configured routers, modems, and Wi-Fi networks, resolving connectivity issues and reducing repeat-visit complaints by an estimated 30%. Performed Windows OS installation, software deployment, driver updates, and system optimization across desktops and laptops. Diagnosed and repaired hardware faults (motherboards, RAM, storage drives, power supplies, peripherals), restoring 90%+ of serviced devices to full working condition. Configured and maintained antivirus software and security settings on client systems, reducing malware-related support requests. Sourced, priced, and managed inventory of networking equipment and computers, maintaining accurate stock records and supplier relationships.

IT Support & Operations Specialist at Kinamba Evans Energy Limited

May 1, 2023 - January 1, 2024

Provided first-line technical support for 50+ staff, resolving hardware, software, printer, and connectivity issues via in-person and remote support. Maintained and troubleshooted desktop computers, network printers, and office technology, reducing equipment downtime through proactive maintenance checks. Managed IT asset inventory and equipment documentation, maintaining accurate records across departments while coordinating with suppliers on spare parts. Supported network connectivity troubleshooting for LAN-connected devices, logging and tracking requests through to resolution.

Procurement Assistant / IT Support Technician at Village Mastars Limited

May 1, 2020 - May 1, 2022

Provided day-to-day IT and technical support across departments, resolving desktop, printer, and connectivity issues for office staff. Coordinated procurement of IT equipment, networking hardware, and consumables, managing supplier agreements, quotations, and purchase records. Supported inventory monitoring and stock control for IT assets, and assisted with equipment setup, desktop builds, and basic network access for new starters.

Freelance Web Developer & UI/UX Designer (Part-Time) at Kenya & International Clients (Remote)

March 1, 2018 - January 1, 2026

Built, deployed, and maintained websites for clients in Kenya and Australia, providing remote technical troubleshooting on hosting, configuration, and updates while maintaining strong client retention.