ZM

Zacharia Mavhiza

Cybersecurity Specialist | Project Manager Consultant | IT Systems Administrator

ZW

ABOUT

Dynamic Cybersecurity Specialist, Project Manager Consultant, and IT Systems Administrator with over five years of experience strengthening cybersecurity posture, managing complex IT projects, and implementing governance frameworks including ISO 27001, COBIT, ITIL, and NIST CSF. Skilled in risk management, system deployment, incident response, secure SDLC, and leading organization-wide technology initiatives. Proven ability to reduce security incidents, streamline IT operations, and deliver IT governance projects on time and within scope.

SKILLS

NmapBurp SuiteSophosNessusWazuhGoPhish
WindowsLinuxmacOS
TCP/IPDNSDHCPVPNVLANFirewalls (Cisco/Sophos)Virtualization (VMware)
ISO 27001COBITITIL 4NIST CSF
Secure SDLCVersion Control (GitHub)IT Governance
Phishing SimulationsVulnerability ManagementMalware InvestigationsSIEM Monitoring

EXPERIENCE

Assistant IT Manager

2025-08 - Present

Integrated Properties

Managed IT infrastructure ensuring security, stability, and business continuity. Supervised IT teams and coordinated system deployments across departments. Served as primary cybersecurity lead overseeing risk mitigation, threat monitoring, and governance compliance. Ensured compliance with IT governance and security standards. • Managed IT infrastructure ensuring security, stability, and business continuity. • Supervised IT teams and coordinated system deployments across departments. • Served as primary cybersecurity lead overseeing risk mitigation, threat monitoring, and governance compliance. • Ensured compliance with IT governance and security standards.

Cybersecurity & Project Manager Consultant

2024-01 - Present

Freelance

Led cybersecurity, IT governance, and digital transformation projects aligned with ISO 27001, NIST CSF, and COBIT. Conducted risk assessments, vulnerability scanning, penetration testing coordination, and full security gap analysis. Developed ISMS documentation, cybersecurity policies, and governance structures. Coordinated software development projects integrating secure SDLC practices, code reviews, and application security testing. Oversaw incident response operations and SIEM monitoring, improving threat detection and response efficiency. • Led cybersecurity, IT governance, and digital transformation projects aligned with ISO 27001, NIST CSF, and COBIT. • Conducted risk assessments, vulnerability scanning, penetration testing coordination, and full security gap analysis. • Developed ISMS documentation, cybersecurity policies, and governance structures. • Coordinated software development projects integrating secure SDLC practices, code reviews, and application security testing. • Oversaw incident response operations and SIEM monitoring, improving threat detection and response efficiency.

Cybersecurity Specialist

2024-05 - 2025-07

Zimbabwe National Water Authority (ZINWA)

Implemented comprehensive cybersecurity strategies, reducing security incidents by 40%. Conducted vulnerability assessments and remediated critical CVEs using Nessus. Managed SIEM monitoring (Wazuh), phishing simulations (GoPhish), and incident response operations. Developed and enforced security policies, procedures, and compliance measures. Conducted cybersecurity awareness training for employees and generated KPI-based security reports. • Implemented comprehensive cybersecurity strategies, reducing security incidents by 40%. • Conducted vulnerability assessments and remediated critical CVEs using Nessus. • Managed SIEM monitoring (Wazuh), phishing simulations (GoPhish), and incident response operations. • Developed and enforced security policies, procedures, and compliance measures. • Conducted cybersecurity awareness training for employees and generated KPI-based security reports.

Network & Systems Administrator

2021-10 - 2024-04

Zimbabwe National Water Authority (ZINWA)

Managed enterprise network infrastructure supporting 800+ users with 99.99% uptime. Installed and maintained Windows/Linux servers, virtualization platforms, and network devices. Configured VLANs, VPNs, firewalls, DHCP/DNS/IPAM, and monitored network health (SolarWinds). Performed root cause analysis, change management, and ensured SLA compliance. • Managed enterprise network infrastructure supporting 800+ users with 99.99% uptime. • Installed and maintained Windows/Linux servers, virtualization platforms, and network devices. • Configured VLANs, VPNs, firewalls, DHCP/DNS/IPAM, and monitored network health (SolarWinds). • Performed root cause analysis, change management, and ensured SLA compliance.

IT Technician

2020-01 - 2021-06

Jessly Investments

Provided first-line technical support, troubleshooting hardware, software, and operating systems issues. Installed, configured, and maintained IT hardware and software, ensuring optimal system performance. Maintained IT inventory and asset management for efficient resource utilization. • Provided first-line technical support, troubleshooting hardware, software, and operating systems issues. • Installed, configured, and maintained IT hardware and software, ensuring optimal system performance. • Maintained IT inventory and asset management for efficient resource utilization.

EDUCATION

Chinhoyi University of Technology

- 2019

B.Sc. in Information Technology