Senior Network Engineer

Atos; Brussel Hoofdstad; On-site; EUR 70,000 - 110,000; Full time

Job summary

European institution seeking an experienced Senior Network Engineer to join its ICT infrastructure team in Brussels. You will contribute to design, operation, modernization, and security of large-scale networks, data centers, cloud, and cybersecurity environments.

You will work in a multicultural setting, driving infrastructure innovation, automation, and operational excellence while collaborating with networking, security, and infrastructure experts.

Qualifications

• Strong experience with ITIL-based operations and service management.
• Proven ability to manage ICT operations in complex environments.
• Knowledge of SLA-driven operational environments and metrics.

Responsibilities

• Manage and support critical network and security services.
• Handle complex incidents and provide 3rd-level support.
• Coordinate escalations with technology vendors.
• Contribute to problem management and root-cause analysis activities.
• Monitor service quality and ensure SLA compliance.
• Define and implement operational metrics and continuous improvement initiatives.
• Design, evaluate, and implement new network and security solutions.
• Lead migration projects and supervise deployments.
• Develop Infrastructure-as-Code (IaC) and automation.
• Produce technical documentation and training materials.

Skills

Ansible

Python

NetBox

Infrastructure as Code (IaC)

Network automation

eBPF technologies

Hybrid cloud integration

Enterprise configuration management &.

Tools

Terraform

CI/CD pipelines

Job description

A European institution is looking for an experienced Senior Network Engineer to join its ICT infrastructure team.

In this role, you will contribute to the design, operation, modernization, and security of large-scale network, data center, cloud, and cybersecurity environments that support critical European services.

Working within a multicultural and international environment, you will play a key role in driving infrastructure innovation, automation, and operational excellence while collaborating with experts across networking, security, and infrastructure domains.

This is an exciting opportunity for a seasoned professional seeking to work on complex, mission-critical technologies, influence strategic infrastructure decisions, and contribute to high-impact projects at the European level.

Your Responsibilities

Operations & Service Delivery

• Manage and support critical network and security services.
• Handle complex incidents and provide 3rd-level support.
• Coordinate escalations with technology vendors.
• Contribute to problem management and root-cause analysis activities.
• Monitor service quality and ensure SLA compliance.
• Define and implement operational metrics and continuous improvement initiatives.

Infrastructure Engineering & Architecture

• Design, evaluate, and implement new network and security solutions.
• Perform technical assessments and proof-of-concept activities.
• Define technical architectures and recommend best-fit technologies.
• Lead migration projects and supervise deployments.
• Conduct performance assessments and recommend optimization strategies.
• Participate in capacity planning and infrastructure forecasting.
• Develop and maintain Infrastructure-as-Code (IaC) solutions.
• Implement network automation frameworks and CI/CD pipelines.
• Design operational tools, custom integrations, and management platforms.
• Support the modernization of network operations through automation and orchestration.

Configuration & Lifecycle Management

• Manage configuration standards and operational procedures.
• Support lifecycle management of infrastructure platforms.
• Ensure compliance, backup strategies, and operational consistency.
• Produce technical documentation, procedures, and training materials.

Required Expertise

Operations Engineering

• Strong knowledge of ITIL best practices.
• Extensive experience in ICT operations and service management.
• Strong understanding of SLA-driven operational environments.

Telecom & Data Center Consulting

• Excellent knowledge of industry standards and emerging technologies.
• Experience designing, deploying, and operating complex infrastructures.
• Technical certifications from major vendors are highly valued.

Technical Expertise

Network Automation & NetSecOps

You should have strong experience with:

• Ansible
• Python
• NetBox
• Infrastructure as Code (IaC)
• Network automation and orchestration
• eBPF technologies
• Hybrid cloud integration
• Enterprise configuration management and compliance