As Network Infrastructure Manager, you lead a senior engineering team responsible for the design, reliability and evolution of a large-scale enterprise network. You create a strong, performance-driven team culture, guide technical priorities, and ensure that network services meet strict availability and security standards.
You take ownership of the network roadmap, working closely with architecture and service management to plan lifecycle upgrades, new capabilities and operational improvements. You coordinate projects that involve installing, configuring and maintaining complex network components, and you provide senior expertise for escalations and critical incidents.
This role suits an experienced network leader who combines deep hands-on technical knowledge with strong people management skills.
What you will do
- You lead, coach and mentor the network engineering team and cultivate a collaborative, high-performing environment.
- You take ownership of the network strategy and roadmap in collaboration, ensuring alignment with business needs and long-term infrastructure planning.
- You manage and optimise the enterprise network infrastructure — covering Layer 2/3, LAN, Wi-Fi, WAN, VXLAN, EVPN, SDN, routing and switching technologies.
- You coordinate and participate in complex troubleshooting, oversee root-cause analysis and ensure that issues are resolved across internal teams and external technology vendors.
- You manage and execute network projects involving installations, upgrades, expansions and lifecycle maintenance.
- You configure Layer 2/3 switches, implement connectivity and security policies, and ensure adherence to network standards across the organisation.
- You also design and maintain disaster recovery plans and security guidelines for the network environment.
- Throughout, you communicate clearly with stakeholders, manage expectations, prioritise incoming requests and support continuous improvement of processes and tooling.
What are we looking for?
- 3+ years demonstrable experience in people management within network or infrastructure teams.
- Strong hands-on expertise in Layer 2/3 networking, including LAN, Wi-Fi, WAN, VXLAN, EVPN, SDN, routing and switching.
- Proven experience managing and optimising network infrastructure in critical environments.
- Solid experience with security technologies (Firewall, WAF, Proxy).
- Advanced hands-on experience with F5 (LTM, APM, ASM).
- Demonstrable experience in a similar network leadership role in a high-availability environment.
- Experience defining and maintaining network strategy and roadmaps (5+ years).
- Agile Product Owner/Manager certification.
- Excellent command of Dutch.
- Experience with HPE Aruba / HPE Access Stack (VSF, VXF, ClearPass).
- Experience with Atlassian tools (Jira, Confluence).
- Knowledge of endpoint security, NAC, PKI, user VPN, IPAM.
- Experience with optical (WDM) technology.
- Good communication skills in English, ideally also French.
- Strong customer orientation and resilience under pressure.
- Experience analysing requirements, managing a product backlog and supporting project management processes.
What do we offer?
- Start: 1 November 2025
- End: 31 December 2025 (extendable)
- Workload: Full-time
- Location: Zaventem (hybrid on-site presence required)
- Contract: Freelance
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