SAMUEL HIIRA MURIITHI
Summary
A results-driven Cybersecurity and IT Professional with 3+ years of progressive experience across SOC operations, SIEM management, threat intelligence, vulnerability management, and IT infrastructure administration. Demonstrated ability to reduce phishing susceptibility by 40%, improve SIEM detection accuracy by 30%, and maintain 99%+ system uptime across multi-site environments. Holds SC-200 Microsoft Certified SOC Analyst Associate, SC-300, multiple Microsoft security certifications, HCIA Datacom, and Belkasoft forensics certifications. CompTIA Security+ in progress.
Overview
5
5
years of professional experience
1
1
Certification
Work History
SOC Analyst
HFCB
Nairobi
02.2026 - Current
- I monitor security alerts and analyze logs from various sources including web servers, application servers, databases, IDS and IPS systems for possible security breaches.
- I document incidents and resolutions for future reference and training.
- I collaborate with IT teams to enhance network defenses and protocols.
ICT Officer
Amica Savings & Credit
Murang'a
05.2025 - 01.2026
- I administered and managed the Domain Controller, and other internal servers maintaining 99% system uptime.
- I provided system support for the core banking applications, performing Start of Business and End of Day with 100% timeliness.
- I conducted monthly antivirus & Windows patch updates across all endpoints, achieving 100% compliance with security updates.
- Troubleshot and resolved ICT hardware and software issues, achieving a 95% SLA compliance rate and reducing average resolution time by 30%.
- Provided technical support to end-users through tele-support and onsite troubleshooting, resolving 99% of escalated issues.
- Tracked and managed ICT hardware inventory, ensuring availability of parts and achieving 99% readiness for repairs and upgrades.
Security Operation Center Analyst
Yelbridges Ltd
Thika
05.2024 - 12.2024
- Monitored and investigated 500+ security alerts daily on SIEM tool, escalating incidents and documenting resolution efforts with 99% accuracy.
- Spearheaded a SIEM solution setup and onboarding for 5+ clients, optimizing detection rules and improving alert accuracy by 30%.
- Coordinated vulnerability and patch management across 200+ internal and client systems, ensuring 95% compliance within SLA.
- Participated in 5+ incident response investigations, performing log analysis and delivering structured client reports that improved remediation speed.
- Conducted proactive threat intelligence and hunting activities, identifying emerging threats before exploitation.
- Partnered with the Data Protection and GRC teams to support ISO 27001 compliance, contributing to successful audit readiness.
- Co-designed and executed 3 phishing simulation campaigns for 200+ employees, reducing phishing click rates by 40%.
- Authored detailed reports and executive presentations on organizational security posture, improving visibility for senior management.
Networking Trainer
Thika Technical Training Institute
Thika
02.2024 - 04.2024
- Planned, organized and delivered network training to 100+ students ensuring mastery of networking fundamentals such as TCP/IP, OSI Model, IP routing, subnetting, and network protocols.
- Guided students in hands-on network setup labs, improving pass rates in final networking exams by 15%.
- Mentored students on ethical practices and career development in IT and cybersecurity helping 10+ students secure internships in IT and cybersecurity.
- Maintained accurate records of student progress and training outcomes for reporting purposes.
- Conducted research on emerging technologies to integrate into training modules effectively.
- Assessed learner performance through practical evaluations and provided constructive feedback.
- Collaborated with faculty to design curriculum that meets industry standards and student needs.
Security Analyst Intern
Yelbridges Ltd
Thika
09.2023 - 12.2023
- Collaborated with the Red team in performing penetration testing and risk deductions and compiled VAPT reports for clients.
- I was involved in the triaging of incidents in SOC, opening and closing tickets in OS tickets, compiling monitoring reports and presentations.
- I performed threat intelligence and provided timely intel to clients.
- I successfully troubleshoot Microsoft Entra sync issues.
ICT Officer Intern
Amref Health Africa
Nairobi
05.2022 - 05.2023
- Managed 1000+ user accounts in Active Directory, Office 365, and Microsoft Dynamics Navision, ensuring 100% compliance with access control policies.
- Administered antivirus, encryption, and password policies across 500+ endpoints, reducing security incidents by 25%.
- Integrated Wazuh with Suricata to enhance intrusion detection and log management, increasing visibility of network threats by 5%.
- Provided on-site and remote ICT support for 1,000+ service requests, achieving a 95% SLA resolution rate.
- Performed hardware diagnostics and asset management for 1500+ devices, improving inventory accuracy and reducing downtime.
- Supported ICT security and compliance efforts, contributing to successful ISO 27001 audit readiness.
- Conducted ICT inductions and end-user training for 10+ new staff, improving adoption of ICT security policies by 40%.
ICT Officer Intern
Murang'a South Water and Sanitation Company
Kandara
08.2021 - 12.2021
- Maintained 200+ user accounts and 150+ ICT assets to ensure accurate records and support daily operations.
- Logged, tracked, and resolved 100+ ICT service issues, achieving a 95% SLA compliance rate.
- Set up and maintained IT infrastructure (20+ network devices, 10+ printers, 100+ workstations), reducing downtime by 20%.
- Performed system mapping and data entry across 5+ departments, improving operational efficiency by 15%.
- Enforced ICT compliance policies, ensuring 100% adherence to data and security standards.
- Coordinated 30+ virtual meetings monthly to enhance remote communication reliability.
Education
B.Sc - Information Technology
Dedan Kimathi University of Technology
Nyeri01-2021
KCSE -
Kirogo Boys High School
Murang'a01-2014
Key Skills Competencies
- Systems & Network Administration - Windows, Linux/Unix
- Active Directory & Microsoft 365 - Teams, Exchange, OneDrive
- Endpoint Security - Antivirus, EDR, Patch Management
- SIEM & Log Analysis - Sentinel, Wazuh, QRadar, Splunk
- ICT Support & Helpdesk Operations
- Hardware & Asset Management
- Vulnerability & Incident Management
- ISO 27001 Compliance & ICT Policy Implementation
- LAN/WAN, Firewall & Router Configuration
- Backup, Disaster Recovery & Business Continuity
Certification
- • Security Analyst - CyberShujaa (Serianu)
• SC-200: Microsoft Certified SOC Analyst Associate
• SC-300: Microsoft Certified Identity and Access Administrator Associate
• SC-900: Microsoft Certified Security, Compliance and Access Fundamentals
• AI-900: Microsoft Certified Azure AI
• AZ-900: Microsoft Certified Azure Fundamentals
• Belkasoft Certified iOS Forensics
• Belkasoft Certified Windows Forensics
• Network Security - Cisco
• Huawei HCIA Datacom
• NDG Linux Essentials - Cisco
• Cisco CCNA (Completed Coursework)
• CompTIA Security+ (In Progress, Expected Dec 2025)
Timeline
SOC Analyst
HFCB
02.2026 - Current
ICT Officer
Amica Savings & Credit
05.2025 - 01.2026
Security Operation Center Analyst
Yelbridges Ltd
05.2024 - 12.2024
Networking Trainer
Thika Technical Training Institute
02.2024 - 04.2024
Security Analyst Intern
Yelbridges Ltd
09.2023 - 12.2023
ICT Officer Intern
Amref Health Africa
05.2022 - 05.2023
ICT Officer Intern
Murang'a South Water and Sanitation Company
08.2021 - 12.2021
B.Sc - Information Technology
Dedan Kimathi University of Technology
KCSE -
Kirogo Boys High School