Harvey Sijenyi

Harvey Sijenyi

About

Detail

Kenya

Contact Harvey regarding: 
work
Full-time jobs
Starting at USD800/month
Flexible work
Starting at USD5/hour

Timeline


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Résumé


Jobs verified_user 0% verified
  • A
    Business Process Engineer | Cyber Security Analyst
    Avenue Health Care
    Jul 2024 - Current (2 years)
    Led threat detection and incident response for hybrid environments spanning cloud, on-premise, and blockchain infrastructure. Designed and implemented advanced detection playbooks and automated SOAR workflows to reduce mean time to detect (MTTD) and respond (MTTR). Reverse engineered malware and performed deep-dive forensics across endpoint, network, and cloud environments. Developed cross-platform SIEM dashboards integrating logs from EDR, cloud tools, smart contracts, and blockchain data. Mentored SOC team members on threat hunting, alert triage, and use of MITRE ATT&CK in playbook refinement. Built and managed threat modeling protocols for on-chain DeFi systems, identifying attack paths in decentralized applications.
  • A
    Business Process Engineer
    Avenue Healthcare
    Jan 2024 - Jun 2024 (6 months)
    • Analyze and optimize business processes • Engage stakeholders to gather and align requirements • Document and map workflows and SOPs
  • U
    Internship@
    USAID Kenya
    May 2022 - Aug 2022 (4 months)
    • Front-End Developer • UX Designer • Data Analysis
  • C
    Cyber Security Consultant | Founder
    CyberSpace Consultancy
    Apr 2022 - Current (4 years 3 months)
    SIEM/EDR: Wazuh, Xcitium, Splunk, Azure Sentinel Blockchain Analysis: Chainalysis, Etherscan, DeFi Audits Cloud Platforms: Azure, AWS, GCP Languages: Python, Bash, PowerShell, Go (Basic) Tools: Metasploit, Wireshark, Nmap, Burp Suite, OSINT
  • U
    Career Peer Advisor@
    USIU-A
    Jan 2019 - Jan 2023 (4 years 1 month)
    • Assistant Office Administrator & Career Peer Advisor • Event organizing & Moderator • CV and Cover letter review • Peer-to-teacher pairing & Mock interviews
  • S
    IT technician@
    Smart Care Solution
    Jan 2015 - Nov 2016 (1 year 11 months)
    • Laptop & phone repair • System Repair • software installation • System troubleshooting • Software upgrade
Education verified_user 0% verified
  • O
    Diploma
    Oxford Study Center
    Sep 2023 - Nov 2023 (3 months)
  • S
    SOC Analyst
    Serianu Limited
    Jan 2023 - Aug 2023 (8 months)
  • U
    Applied Computer Science and Technology
    United States International UniversityAfrica
    May 2019 - Aug 2023 (4 years 4 months)
Projects (professional or personal) verified_user 0% verified
  • A
    AI Agent
    Avenue Healthcare
    Jan 2025 - Current (1 year 6 months)
    Security MonitoringAgent Developed an AI agent for security monitoring, streamlining threat detection.
  • A
    Pyramid of Pain
    Avenue Healthcare
    Jan 2024 - Sep 2024 (9 months)
    Advent O cyber Challenge Passed the Pyramid of Pain test, demonstrating advanced detection techniques.
  • C
    Malware Threat Lab
    CyberSpace Consultancy
    May 2023 - Current (3 years 2 months)
    Cybersecurity Developed an advanced malware analysis lab to assess real-time cyber threats.