Hi. I am an

Senior IT Support Engineer (L3) | Systems & Infrastructure

Experienced in systems administration, networking, infrastructure & IT support.

I help businesses optimize infrastructure and systems.

01.

About Me

Senior IT Support Engineer (L3) with 5+ years of experience in systems administration, advanced troubleshooting, and IT infrastructure management. Strong background in resolving complex L2/L3 issues, virtualization, and network administration.

Experienced in securing IT environments, implementing endpoint protection, and supporting monitoring and incident response processes. Proven ability to maintain reliable, high-performance systems in enterprise and healthcare environments. Comfortable working independently in remote roles.

02.

Personal Strenghts

Blending technical expertise with strategic thinking to design, secure, and maintain reliable IT systems. Each solution is implemented with a strong focus on stability, security, and scalability, ensuring technology reliably supports business and healthcare operations.

1. Systems Administration & Infrastructure

Designing, deploying, and maintaining Windows Server–based infrastructures with centralized management, Active Directory, Group Policy, and virtualization to ensure stable and scalable environments.

2. Networking & Security

Building and securing enterprise networks using MikroTik routing, Sophos firewalls, VLANs, and endpoint protection — focused on performance, resilience, and data protection.

3. Virtualization & Disaster Recovery

Managing Hyper-V, Proxmox, and VMware environments, combined with NAS-based backup and disaster recovery strategies to ensure high availability and business continuity.

4. IT Operations & Technical Support

Delivering reliable L1–L3 technical support, documentation, and system optimization across departments — translating complex technical issues into clear, actionable solutions for users and management.

Open to new opportunities

Feel free to reach out to discuss system administration, IT operations, or infrastructure projects.

contact [at] vullnetmuaremi [dot] com