Senior Network Engineer

AXIANS EI; Brussels (IL); On-site; USD 79,000 - 113,000; Full time

Job summary

Axians Brussels seeks a Senior Network Engineer to design, evolve, automate, and optimize complex network and data center environments supporting European Institutions. You will combine networking expertise with automation, cloud, security, and modern infrastructure technologies to deliver reliable, scalable, and high-performing solutions.

Daily tasks include design, evaluation, PoCs, migrations, capacity planning, and monitoring.

Qualifications

• Strong experience with networking, telecommunications, and data center technologies.
• Knowledge of routing, VPNs, SD-WAN, DNS/DHCP, campus and data center networks.
• Experience with network automation (Ansible, Python, CI/CD, IaC).
• Knowledge of cloud and container technologies (Azure, AWS, Docker, Kubernetes).
• Good understanding of network security technologies, including firewalls, IDS/IPS, web security, and load balancing.
• EU Citizenship and based in Brussels.

Responsibilities

• Design, evaluate, and improve network and infrastructure solutions.
• Perform technical studies, PoCs, and testing.
• Support capacity planning, migrations, and deployments.
• Monitor network performance and propose improvements.
• Support network automation and automated deployments.
• Provide expertise to internal teams and users.
• Collaborate with technical teams and stakeholders to deliver secure network services.

Skills

Networking

Data center

VPNs & SD-WAN

Network security

Automation (Ansible)

Cloud basics

Team collaboration

Education

Bachelor's degree

Networking certs

Tools

Ansible

Python

CI/CD

IaC

Azure

AWS

Docker

Kubernetes

Job description

Join Axians, where innovation thrives on trust and autonomy, and where every challenge is an opportunity to create technology with impact.

Senior Network Engineer

What We Are Looking For

We are looking for a Senior Network Engineer to join our team in Brussels. In this role, you will contribute to the design, evolution, automation, and optimization of complex network and data center environments supporting European Institutions. You will combine strong networking expertise with automation, cloud, security, and modern infrastructure technologies to deliver reliable, scalable, and high-performing solutions.

What you will do on a daily basis

• Design, evaluate, and improve network and infrastructure solutions;
• Perform technical studies, testing, and Proofs of Concept (PoCs);
• Support capacity planning, technical documentation, migrations, and deployments;
• Monitor network performance and recommend improvements;
• Support network automation and automated deployment initiatives;
• Provide technical expertise and support to internal teams and users;
• Collaborate with technical teams and stakeholders to deliver reliable and secure network services.

Your Key Skills

• Strong analytical, troubleshooting, and problem-solving skills;
• Ability to work with complex network and infrastructure environments;
• Strong focus on reliability, performance, and security;
• Good communication and collaboration skills;
• Flexible and adaptable to evolving technologies and technical environments;
• Ability to work effectively in international and multidisciplinary teams.

Your Main Qualifications

• Strong experience with networking, telecommunications, and data center technologies;
• Solid knowledge of routing, VPNs, SD-WAN, DNS/DHCP, campus, data center, and wireless networks;
• Experience with network automation technologies such as Ansible, Python, CI/CD, and Infrastructure-as-Code;
• Knowledge of cloud and container technologies such as Azure, AWS, Docker, and Kubernetes;
• Good understanding of network security technologies, including firewalls, IDS/IPS, web security, and load balancing;
• Experience with network monitoring, logging, and management tools;
• Experience with automated network deployments, such as Zero Touch Provisioning (ZTP) and PXE, is an advantage;
• Relevant networking or vendor certifications are considered an advantage;
• Based in Brussels;
• EU Citizenship.

What We Offer

• Multicultural Environment: Work alongside professionals from diverse backgrounds in an international and collaborative workplace.
• Diverse Projects: Contribute to impactful technology initiatives and complex projects within European Institutions.
• Skill Development: Strengthen your technical and professional expertise through continuous learning and exposure to advanced technologies and complex environments.
• Long-term Opportunities: Benefit from stable, long-term professional opportunities through our partnerships with European Institutions.
• Meaningful Impact: Contribute to technological initiatives that support organizations and services at a European scale.

Axians is the VINCI Energies brand dedicated to Information Technology and Digital Transformation. With an international presence and a people-to-people approach, we combine technology, innovation, and proximity to create real impact for organizations and society.

At Axians, we believe that talent does not fit a single profile. We value diversity and promote an inclusive environment where everyone has the opportunity to grow and contribute. If you have a disability or impairment, we are committed to ensuring equal opportunities throughout the recruitment and onboarding process. Whenever needed, we provide reasonable accommodations so that you can participate on an equal basis.