Network & Systems Administrator
I am Nelson Tunzo Maliare, a Network & Systems Administrator specializing in enterprise networking, systems administration, cybersecurity, virtualization and identity management.
Experienced in designing, implementing and maintaining secure, scalable and highly available ICT infrastructures that support business operations, digital transformation and mission-critical services.
9+
Years Experience
Linux
Enterprise Infrastructure
VPN
Secure Connectivity
IAM
Identity Systems
Enterprise Infrastructure Expertise
Proven experience managing enterprise infrastructure, cybersecurity platforms, virtualization environments, identity management systems and mission-critical services.
Systems Administration
Linux, Windows Server, Active Directory, virtualization, automation, monitoring and highly available infrastructure platforms.
Cyber Security
Security hardening, disaster recovery, identity management, VPN technologies, access control and enterprise security architecture.
Network Engineering
Enterprise routing, switching, firewalls, secure connectivity, monitoring and resilient network infrastructure.
Technical Capabilities
Specialized technical expertise developed through years of designing, deploying and managing enterprise ICT environments.
Network Administration
Enterprise networking and connectivity solutions.
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Routing & Switching
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Firewall Administration
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VPN Technologies
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Network Monitoring
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WAN & LAN Design
Systems Administration
Enterprise server and platform management.
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Linux Servers
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Windows Server
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Virtualization Platforms
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Container Technologies
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Active Directory
Information Security
Security architecture and risk mitigation.
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Identity Management
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Access Control
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Security Hardening
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Log Management
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Risk Mitigation
Technologies & Platforms
Technologies, platforms and tools used to design, deploy and maintain secure, scalable and resilient enterprise ICT environments.
Linux
Ubuntu
Debian
Rocky Linux
Nginx
Apache
MariaDB
PostgreSQL
Docker
Proxmox
VMware
Keycloak
StrongSwan
Sophos
FortiGate
MikroTik
Laravel
Git
Infrastructure
Linux, Windows Server, VMware, Proxmox and enterprise virtualization technologies.
Security
Keycloak, VPN technologies, firewalls, IAM and enterprise cybersecurity solutions.
Development
Laravel, Git, databases and automation platforms supporting modern ICT services.
Available for Consulting & Infrastructure Projects
Open to opportunities involving systems administration, network engineering, cybersecurity, virtualization, identity management, disaster recovery and enterprise ICT infrastructure solutions.