Senior Network Engineer
Role details
Job location
Tech stack
Job description
We are looking for a Senior Network Engineer for a large financial enterprise with a strong on-premise datacenter environment. In this role you will work hands-on with Palo Alto firewalls, Cisco switching and datacenter infrastructure (Nutanix, Rubrik) while contributing to a major datacenter transition and network modernization journey., As Senior Network Engineer you will be responsible for the day-to-day management, improvement and development of a complex enterprise network infrastructure.
You will work in an environment where stability, security and compliance are critical, and where the network forms the backbone of all business operations.
You will:
- Manage and maintain WAN, LAN and Wi-Fi environments
- Work hands-on with Palo Alto firewalls and Cisco switching infrastructure
- Contribute to major initiatives such as:
- Datacenter transition and migration activities
- Firewall optimization (policy consolidation, SSL inspection)
- WAN expansion and segmentation (Zero Trust initiatives)
- Lifecycle management and infrastructure improvements
- Design and improve network architecture (HLD/LLD)
- Support incident resolution and structural problem management
- Collaborate closely with Infra, Security and Architecture teams
- Document processes, changes and technical designs
- Contribute to roadmap discussions and strategic improvements
Environment highlights:
- On-premise datacenter environment (no full cloud shift yet)
- Technologies: Nutanix, Rubrik, Palo Alto, Cisco
- Financial enterprise with strict security and compliance requirements
- Minimum 2 days per week onsite in Den Haag
- Hands-on engineering focus (not purely advisory)
Requirements
You will join a senior but informal team where technical depth, ownership and personality fit are just as important as certifications. This is a role for someone who is not afraid to roll up their sleeves and take responsibility in a critical IT environment., * Strong senior experience in network engineering / infrastructure
- Extensive experience with Cisco networking and Palo Alto firewalls
- Hands-on mentality ("stroop je mouwen op" mindset)
- Comfortable working in complex enterprise environments
- Communicative and able to work with different stakeholders
- Team player who fits a direct, informal culture
- Not overly dominant, but collaborative and grounded personality
- Experience with datacenter or infrastructure migrations is a strong plus