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Network Engineer - Core Network Team

Build, scale, and optimize our network infrastructure

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How do you make our customers happy?

The On-Premise Network Team is responsible for providing, managing, and securing the network infrastructure that powers our entire operation. We focus on supporting internal engineering teams and diverse business units, ensuring they have reliable, high-performance, and secure connectivity.

Additionally, we provide a reliable, scalable, and cost-effective physical
and logical network infrastructure that spans across all bol. locations.

Get to know Engineering

This role is part of the Engineering Job Family. Explore this Job Family to learn more about the purpose, key accountabilities and competencies.

Explore Engineering
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What will make you stand out?

We are looking for numerous skills such as: Automation & AI-Driven Mindset, Cisco & Juniper product portfolios, Advanced Troubleshooting, Optical Network Technologies, Wireless networks, Project Management, Puppet, Linux, drivers license B (yes, you need to drive around for this role). Clear, direct and effective communication skills, plus self-driven.

Who are you then?
- Self-Motivated & Driven: Self-starting team player. Taking ownership of issues from detection to permanent resolution, from drafts to implementation.
- CLI-First Thinker: You feel most comfortable in a terminal/CLI environment and prefer precise CLI-driven interactions for diagnostics and configuration.
- Protocol Expert: You possess deep knowledge of core routing (BGP, OSPF) and fabric
technologies (MPLS, VXLAN, EVPN).
- Automation-Oriented: You enjoy scripting and want to apply an AI-driven automation mindset to networking tasks.
- Communicator & Collaborator: You have strong communication skills to coordinate with technical teams, business stakeholders, and external vendors.
- Hands-on Troubleshooter: You excel at debugging complex, cross-layer issues (from physical fibers to transport-layer sessions).
- Ready for Action: You are capable and willing to run 24/7 standby shifts to support our high-availability standards.

Preferred qualifications: Knowledge of routing and switching protocols (BGP, OSPF, MPLS,VXLAN, EVPN), core network services (DHCP, DNS, NTP), Bash/Python scripting.

What you will do as Network Engineer - Core Network Team

  • Full-Stack Network Operations: Manage and optimize connections across ISO Layers 1-4. You will handle everything from physical - layer transport, including fiber optics and optical networks, up to transport-layer optimization.
  • Advanced Fabric & Overlay Management: Design, deploy, and scale modern overlay and underlay fabrics utilizing MPLS, VXLAN, and EVPN architectures.
  • Telemetry & Network Visibility: Configure and manage SNMP-based monitoring frameworks to maintain near real-time visibility into network health, latency, and performance.
  • Infrastructure Automation: Build and collaborate on modern, robust, AI-driven, automation workflows to eliminate manual toil, orchestrate deployments, and simplify troubleshooting.
  • Operational Support & Standby: Troubleshoot network anomalies, perform packet analysis, and participate in standby shifts to ensure 24/7 reliability.
  • Lifecycle & Projects: Lead and coordinate technical network projects (from major hardware upgrades to creating new locations).

3 reasons why this is (not) for you

Switch to find out

  • You thrive in a CLI-first, protocol-rich environment

    If tuning BGP attributes, configuring EVPN-VXLAN, and working directly on Cisco and Juniper CLI excites you, this is the perfect environment.

  • You want to scale complex infrastructure

    You will be directly managing a multi-datacenter network spanning the Netherlands, Belgium and Germany, along with sprawling warehouse networks.

  • You are passionate ab out automation

    We are actively transitioning away from manual configurations towards modern, code-driven, and AI-driven networking.

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What tool-stack will you b e working with?

To manage and secure our network infrastructure, you will work with a rich ecosystem of tools and technologies:
Core Hardware: Cisco & Juniper enterprise-grade routing, switching, and security platforms.
We have a highly redundant, BGP everywhere, no stretched Layer 2 transport network without single points of failure.
Scripting & Config Management: CMDB (Netbox), Python, Puppet and shell scripting.
Linux: Network stack, Bird routing daemon.

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We take pride in our B Corp certification and strive for continuous improvement every day. Our annual bonus is tied to sustainability goals, and we are committed to equality and equal opportunities for all.

Perks of having a blue heart

29 days

to recharge

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Travel costs

Public transport, car, parking & charging covered

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Pension plan

75% premium covered

Hat

Annual bonus

Based on sustainability goals

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Your application

We’ll review your application with care and aim to get back to you within 10 working days.

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Apply right away

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