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Service 04

Network Architecture, Infrastructure & Resilience Engineering

Build a reliable digital foundation for people, systems and devices.

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    PBZ Bank
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    Extrion Tech
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    045 195 9000

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    EXTRION TECH

Overview

Network Infrastructure

We design and implement the connectivity foundation that keeps organisations, buildings, systems and devices connected reliably and securely.

The problem

Slow Wi-Fi, unlabelled cabling, flat networks and single points of failure make every other system less reliable, and much harder to troubleshoot.

Network Architecture, Infrastructure & Resilience Engineering

What we deliver

Service components

LAN/WAN, Wi-Fi, structured cabling, network design, routing, switching, firewalling, server infrastructure, site-to-site connectivity, network monitoring and maintenance.

  1. LAN and WAN design

    Networks planned for your buildings and branches, with room to grow.

    • Topology design
    • Branch links
    • Capacity planning

  2. Fibre-optic infrastructure

    Fibre backbones between floors, buildings and sites, installed and tested.

    • Splicing
    • Testing
    • Documentation

  3. Structured cabling

    Neat, labelled cabling and racks that are easy to trace and maintain.

    • Labelled runs
    • Patch panels
    • Rack layout

  4. Wi-Fi and wireless networks

    Coverage planned from a site survey, with separate networks for staff and guests.

    • Site survey
    • Guest networks
    • Roaming

  5. Routing and switching

    Routers and switches configured with VLANs and redundancy for reliable traffic.

    • VLANs
    • Redundant links
    • QoS

  6. Firewalling and network security

    Firewalls and access rules that protect your network edge and internal segments.

    • Edge firewall
    • Segmentation
    • Secure VPN

  7. Server and network infrastructure

    Servers, storage and racks set up for the systems your organisation runs.

    • Server setup
    • Virtualisation
    • Power & cooling

  8. Network monitoring and maintenance

    Monitoring that alerts us to faults early, plus routine checks and updates.

    • Alerts
    • Health checks
    • Firmware updates

  9. Connectivity resilience

    Backup internet links and failover so a single outage does not stop work.

    • Dual internet
    • Failover
    • Backup power

Infrastructure Technologies

The foundation behind reliable digital systems.

From dedicated servers and virtualization to cloud infrastructure, networking and cybersecurity, we deploy technologies that keep businesses connected, protected and operational.

62 technologies

Example infrastructure

Configurations we deploy and support

  1. Ubuntu Server + Nginx + PHP + MySQL

    Web hosting infrastructure

    Fast, secure hosting for websites, portals and Laravel applications.

  2. Proxmox VE + Linux + Docker

    Virtualized server environments

    Many services on fewer servers, with snapshots and backups.

  3. MikroTik RouterOS + Ubiquiti UniFi

    Enterprise network infrastructure

    Routing, firewall and seamless Wi-Fi managed from one place.

  4. Amazon Web Services (AWS) + Docker + Kubernetes

    Cloud-native applications

    Containers that scale automatically on AWS.

  5. PostgreSQL + Redis + Grafana

    Data and monitoring infrastructure

    Reliable data with fast caching and live dashboards.

  6. Windows Server + Active Directory

    Enterprise Windows environments

    Central sign-in, policies and file sharing for Windows offices.

Inside Our Infrastructure

Follow a request through a well-built system

A simplified view of how the layers we design work together. Select any layer to see its job and the technologies we use for it.

01 / 09

Internet / WAN

Brings traffic in from one or more internet providers. A second link takes over automatically if the first one fails.

  • MikroTik RouterOS
  • Cloudflare
  • WireGuard

Illustration only: this diagram does not connect to or scan any network.

Specialist services

Specialist services within this area

From survey to stable network

How we connect your site

A reliable network is designed, not just installed. We measure first, document everything and leave you with a network your team understands.

  • 06Clear stages
  • 6Deliverables you keep
  • Your sign-off at every stage
Request Service
  1. Step 01 1–3 days

    Site survey

    We measure Wi-Fi coverage, cable routes, power and racks, and record every existing device and link.

    You receive: Survey & heat maps

  2. Step 02 3–5 days

    Network architecture

    VLANs, firewalls, redundancy, Wi-Fi zones and internet failover are designed around your critical services.

    You receive: Topology & IP plan

  3. Step 03 Project-based

    Installation & configuration

    Structured cabling, fibre, switches, access points and firewalls are installed, labelled and configured.

    You receive: Installed, labelled network

  4. Step 04 1–2 days

    Testing

    Cable certification, speed, roaming and failover tests prove the network performs as designed.

    You receive: Certification & test results

  5. Step 05 2–3 days

    Documentation

    As-built drawings, rack layouts, passwords vault and configuration backups are handed over to you.

    You receive: As-built documentation

  6. Step 06 Ongoing

    Monitoring & maintenance

    24/7 monitoring, firmware updates and quick response keep the network up and secure.

    You receive: Monitoring & SLA

Business outcomes

What changes for you

  • Reliable connectivity.
  • Secure segmentation.
  • Better performance.
  • Easier troubleshooting.
  • Infrastructure ready for growth.

Technologies & capabilities

LAN / Ethernet / Structured Cabling Fibre Optics Wi-Fi Routing / Switching / Firewalling

Deliverables

  • Design and documentation
  • Implementation, testing and handover
  • User and administrator training
  • Support and maintenance options

FAQ

Common questions

Do you work outside Zanzibar?

Yes. Projects can be assessed based on scope, location, connectivity and implementation requirements.

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Talk to us about network infrastructure

Your technology should make work easier, not create more work. Tell us what you are trying to solve, and we will help you map the right solution.

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