I’m a cybersecurity professional and data analyst with hands-on experience in ethical hacking, security audits, and compliance-oriented IT support. I’ve worked across government and freelance environments, handling first-line support, system maintenance, user account management, backups, asset documentation, and assisting with ICT security and policy compliance. I also combine data skills with visualization and research, using tools like Power BI, Tableau, SQL, and Python to turn complex datasets into clear, actionable insights. Alongside my IT background, I’ve contributed to large-scale data annotation and AI model improvement efforts, and I’m currently expanding my expertise in Kubernetes and Google Cloud to stay ahead in modern, cloud-based security and data engineering workflows.

Yassir Ali Gathiyaka

I’m a cybersecurity professional and data analyst with hands-on experience in ethical hacking, security audits, and compliance-oriented IT support. I’ve worked across government and freelance environments, handling first-line support, system maintenance, user account management, backups, asset documentation, and assisting with ICT security and policy compliance. I also combine data skills with visualization and research, using tools like Power BI, Tableau, SQL, and Python to turn complex datasets into clear, actionable insights. Alongside my IT background, I’ve contributed to large-scale data annotation and AI model improvement efforts, and I’m currently expanding my expertise in Kubernetes and Google Cloud to stay ahead in modern, cloud-based security and data engineering workflows.

Available to hire

I’m a cybersecurity professional and data analyst with hands-on experience in ethical hacking, security audits, and compliance-oriented IT support. I’ve worked across government and freelance environments, handling first-line support, system maintenance, user account management, backups, asset documentation, and assisting with ICT security and policy compliance.

I also combine data skills with visualization and research, using tools like Power BI, Tableau, SQL, and Python to turn complex datasets into clear, actionable insights. Alongside my IT background, I’ve contributed to large-scale data annotation and AI model improvement efforts, and I’m currently expanding my expertise in Kubernetes and Google Cloud to stay ahead in modern, cloud-based security and data engineering workflows.

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Experience Level

Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate

Language

Swahili
Fluent
English
Advanced

Work Experience

ICT Assistant at Ministry of Information Technology and Digital Economy, Kilifi
September 1, 2025 - Present
Provided first-line IT support covering hardware, software, and network assistance. Installed and configured PCs, printers, and ICT devices; managed user accounts and basic LAN access; performed system updates, backups, and routine maintenance. Maintained ICT asset inventory and documentation, supported virtual meetings, and trained users. Monitored systems and escalated complex issues, while assisting with ICT security and policy compliance activities.
Freelance Data Analyst at Freelance, Nairobi
September 1, 2024 - August 31, 2025
Performed data entry, report generation, and record maintenance. Provided customer support by troubleshooting issues, resolving inquiries, and ensuring client satisfaction. Conducted research to structure and organize data for decision-making and strategic planning. Analyzed and visualized complex datasets using Power BI and Tableau to produce actionable insights.
Data Associate at Sam a, Nairobi
June 1, 2021 - September 30, 2024
Conducted extensive research to improve AI models and support high-quality data outputs. Assisted with product design and development through analysis of user feedback and data-driven insights. Built and tested prototypes to optimize machine learning algorithms and workflows. Collaborated with cross-functional teams to improve data annotation processes and best practices, including large-scale data labeling to enhance AI model accuracy and efficiency.
Field Engineer - Networking at Fiber Link Limited, Nairobi
August 1, 2020 - January 31, 2021
Aligned and optimized radio signals to ensure strong connectivity and minimal downtime. Configured routers, switches, and network cabling (Cisco) for enterprise and residential clients. Provided on-site and remote support to troubleshoot and resolve networking issues. Maintained and upgraded network infrastructure to improve performance and reliability.
Underwriter & IT at Elevate Insurance Agency, Nairobi
February 1, 2020 - July 31, 2020
Processed and issued car insurance certificates while ensuring regulatory compliance. Installed, configured, and maintained office hardware and software to improve operational efficiency. Managed networking systems, troubleshooting connectivity issues and maintaining secure access. Advised clients on coverage options aligned to needs and financial plans, and assisted in claims processing by verifying documentation and supporting timely approvals.
IT Systems Support at Takaful Insurance of Africa, Nairobi
February 1, 2019 - December 31, 2020
Managed company databases with focus on data integrity, security, and accessibility. Performed routine maintenance, updates, and security patches to minimize vulnerabilities. Diagnosed and resolved hardware/software issues for employees across departments, and provided IT support including training staff on new software and troubleshooting technical challenges.

Education

Certification - Data Engineering at ALX Africa
January 1, 2026 - April 30, 2026
Certification - Data Science at ALX Africa
January 1, 2025 - March 31, 2026
Bachelor in Information Technology at African Nazarene University
May 1, 2016 - October 1, 2019
Diploma in Information Technology at ZEETECH University
May 1, 2022 - September 30, 2024

Qualifications

Add your qualifications or awards here.

Industry Experience

Government, Telecommunications, Financial Services, Computers & Electronics, Education, Professional Services