Secure Networks.
Reliable Infrastructure.

We help businesses stay connected, secure, and efficient. From network architecture to cybersecurity we keep your IT simple, reliable, and worry-free.

Get in Touch Our Services
100% Job Success
Top Rated Plus on Upwork
1200+ Hours Delivered
Who We Are

Networking & System
Administration Experts

Barnaoui Consulting is a network engineering and cybersecurity consulting agency headquartered in Tunisia. We specialize in designing, deploying, and securing critical network infrastructures for businesses worldwide.

Our Mission

To keep your IT simple, reliable, and worry-free. We deliver fast, secure, and efficient solutions so you can focus on what matters growing your business.

Our Approach

We combine deep technical expertise with a client-first mindset. Every infrastructure we design is built for performance, scalability, and security from the ground up.

Global Reach

Based in Tunisia, serving the world. We work with international clients across various industries, delivering enterprise-grade networking and security solutions remotely and on-site.

What We Do

Our Services

From network design and deployment to cybersecurity auditing and cloud integration we provide end-to-end IT infrastructure solutions.

01

Network Design & Optimization

Architecture, deployment, and optimization of enterprise network infrastructures. We work with Cisco, Palo Alto, Huawei, and Fortinet platforms to deliver high-performance, resilient networks.

  • LAN / WAN
  • Routing & Switching
  • SD-WAN
  • Network Automation
02

Cybersecurity Consulting

Comprehensive security assessments, firewall configuration, intrusion detection, and incident response. We protect your infrastructure against evolving threats with proactive defense strategies.

  • Firewall Management
  • Vulnerability Assessment
  • SIEM
  • Incident Response
03

System Administration

Server management, operating system hardening, Active Directory, DNS, DHCP, and virtualization. We ensure your systems run at peak performance with minimal downtime.

  • Windows Server
  • Linux
  • Active Directory
  • Virtualization
04

Cloud Integration

Cloud migration, hybrid infrastructure design, and managed cloud services. We leverage AWS and other platforms to build scalable, secure cloud environments tailored to your needs.

  • AWS
  • Cloud Migration
  • Hybrid Cloud
  • Infrastructure as Code
05

Monitoring & Troubleshooting

24/7 network monitoring, performance analysis, and rapid incident resolution. We use industry-leading tools to proactively detect and resolve issues before they impact your business.

  • SNMP
  • Network Analytics
  • Performance Tuning
  • Root Cause Analysis
06

Network Automation

Automate repetitive network tasks with Python, Ansible, and Cisco DevNet. We build custom automation pipelines that reduce human error and accelerate deployments across your infrastructure.

  • Python
  • Ansible
  • Cisco DevNet
  • CI/CD Pipelines
Technology Ecosystem

Platforms We Work With

Cisco
Fortinet
Palo Alto
Huawei
AWS
Our Track Record

Proven Results That
Speak for Themselves

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Client Feedback

What Our Clients Say

Real reviews from real clients on Upwork. Our track record speaks for our commitment to excellence.

5.0
"Great working with Abdelkader — he is very knowledgeable and ready to work at any time. Highly recommended for any networking or security project."
Verified Upwork Client
Oct 2025
Verified
5.0
"Excellent network engineer. Abdelkader delivered the project on time with outstanding quality. His deep understanding of Fortinet and Cisco platforms made the implementation seamless."
Verified Upwork Client
2025
Verified
5.0
"Professional, responsive, and technically excellent. The network redesign and security hardening exceeded our expectations. Will definitely work with Barnaoui Consulting again."
Verified Upwork Client
2025
Verified
View All Reviews on Upwork
Leadership

Meet the Founder

Abdelkader BARNAOUI

Founder & Senior Network Engineer

Certified Fortinet FCP Certified Cisco CCNA Automation 200-901 Certified Cisco CCNA 200-301 Top Rated Plus on Upwork

A passionate network engineer with 5+ years of hands-on experience in designing, deploying, automating, and securing critical infrastructures. Specialized in Cisco, Fortinet, Palo Alto, and Huawei platforms, Abdelkader founded Barnaoui Consulting to bring enterprise-grade networking and security solutions to businesses worldwide.

Upwork Profile
Let's Work Together

Ready to Secure
Your Network?

Whether you need a complete network redesign, a security audit, or ongoing system administration we're here to help. Get in touch and let's discuss your project.

Headquarters
Medenine, Tunisia