• Architect, deploy, and operate scalable Apache Spark environments on Nebul’s sovereign AI cloud.
• Design and optimize Spark workloads for GPU-accelerated and distributed performance.
• Define and implement best practices for security, monitoring, governance, and data protection.
• Partner closely with product, engineering, and customer teams to shape our managed Spark offering.
• Evaluate and integrate complementary technologies (e.g., Delta Lake, Lakehouse components, tooling).
• Support early customer pilots and translate feedback into roadmap improvements.
• Develop automation and CI/CD deployment models to ensure reliability, repeatability, and efficiency.
• Document architectures, operational procedures, and performance benchmarks.

• 4–7 years of experience working with Apache Spark in production environments.
• Strong deep-dive knowledge of Spark internals: performance tuning, partition strategies, caching, and shuffle management.
• Hands-on deployment experience in Kubernetes, cloud infrastructure, or on-prem clusters.
• Solid understanding of distributed data platforms (e.g., Databricks, EMR, Hadoop, Lakehouse architectures).
• Strong scripting and automation skills (Python / Scala preferred).
• Ability to translate client needs into technical architectures and operational models.
• Familiarity with cloud-security principles and infrastructure-as-code practices.

• Experience with GPU acceleration for Spark, RAPIDS, or ML workloads.
• Exposure to high-security or regulated environments (government, critical industry).
• Knowledge of observability stacks (Prometheus, Grafana) and orchestration (Airflow, Argo).
• Contributions to open-source or performance engineering work.
• Background in data engineering or MLOps.

• Build a sovereign European alternative to hyperscalers — with real impact.
• Lead the creation of a key product capability powering AI and data innovation.
• Collaborate with world-class engineers across cloud, security, and high-performance compute.
• Hybrid environment near The Hague and Amsterdam.
• Competitive compensation, growth opportunities, and equity participation in a critical market.

• Based in the Netherlands (commutable to Leiden).
• Valid EU work permit (no sponsorship currently available).
• Fluent in English (Dutch not required).

• Design, implement, and manage software-defined networking (SDN) within OpenStack environments (e.g., Neutron)
• Automate network configuration, monitoring, and management using Python, Ansible, or similar tools
• Ensure secure and efficient connectivity across data centers, cloud, and hybrid environments
• Develop and maintain provisioning systems, APIs, and templates for self-service deployment
• Monitor network performance and capacity; implement observability and alerting
• Collaborate with security teams to enforce segmentation, encryption, and access policies
• Troubleshoot complex, real-time network issues
• Contribute to the design of high-availability, fault-tolerant architectures
• Document processes and share knowledge across platform and operations teams
• Stay current with SDN, NFV, and automation trends in OpenStack and cloud-native ecosystems

• Manually configuring switches or firewalls—we aim for full network automation
• Waiting for someone else to define the architecture—you’ll help build it yourself
• Solving the same issue repeatedly—your job is to automate it the first time

• Proven experience managing and automating networks in OpenStack environments
• Deep knowledge of SDN (especially OpenStack Neutron), routing, switching, and Layer 2/3 protocols
• Hands-on experience with automation tools like Ansible, Python, Terraform, or similar
• Familiarity with Linux networking, VPNs, VXLAN, BGP, and cloud firewalls
• Understanding of network security, segmentation, and compliance requirements
• Ability to troubleshoot complex distributed systems and communicate issues clearly

• Experience with NVIDIA hardware or AI-optimized infrastructure
• Integrating networking with Kubernetes or hybrid cloud setups
• Knowledge of CI/CD for network automation and infrastructure testing
• Familiarity with tools such as NetBox, FRRouting, Calico, or OVN/OVS
• A strong belief in automation-first infrastructure

• You must have a valid work permit for the Netherlands
• You reside in the Netherlands and can travel to the office near The Hague
• You are fluent in English (Dutch is not required)
• Please note: Nebul does not provide relocation or visa sponsorship

At Nebul, we’re building Europe’s sovereign cloud infrastructure—trusted, secure, and designed for the future of AI. We're hiring a Product Owner / Architect, Datacenter Infrastructure to define and drive the roadmap for our high-performance computing environments. This includes datacenter architecture, hardware procurement, power and cooling strategy, and vendor management with key partners like NVIDIA.

If you know what it takes to design, negotiate, and operate advanced AI datacenters—and you thrive at the intersection of deep technical expertise and strategic execution—this role is for you.

What You’ll Do

• Own the end-to-end datacenter infrastructure strategy, including compute, network, power, and physical layout

• Define reference architectures optimized for AI/HPC workloads using NVIDIA GPUs and high-performance systems

• Lead hardware procurement, including vendor evaluations, contract negotiations, and technical alignment

• Work cross-functionally with engineering, operations, and leadership to ensure on-time infrastructure delivery

• Oversee deployment planning, including power and cooling design, rack layouts, and network architecture

• Collaborate with leading vendors like NVIDIA to assess technologies, secure competitive pricing, and ensure supply chain alignment

What We’re Looking For

• 5+ years of experience in datacenter infrastructure, system architecture, or hardware procurement—ideally in HPC, hyperscale, or AI environments

• In-depth knowledge of NVIDIA GPU platforms and high-performance compute infrastructure

• Experience managing RFPs, BOMs, and vendor relationships for compute, storage, and network hardware

• Familiarity with power, cooling, and lifecycle management in datacenter environments

• Strategic mindset with strong communication skills and attention to detail

Nice to Have

• Experience with AI/HPC-oriented datacenter design

• Knowledge of OpenStack, Kubernetes, or automation tools

• Hands-on experience working with colocation providers or enterprise IT teams

• Understanding of infrastructure compliance and security in cloud or regulated settings

Why Join Nebul?

• Help build the foundation of Europe’s sovereign AI infrastructure

• Work directly with NVIDIA and other world-class technology partners

• Join a mission-driven team shaping the future of high-performance computing

• Flexible hybrid work model near The Hague and Amsterdam

• Competitive salary, equity options, and clear career growth paths

Must-Haves

• Based in the Netherlands (commutable to The Hague)

• Valid EU work permit (no sponsorship available)

• Fluent in English (Dutch not required)

Ready to help build Europe’s AI infrastructure from the ground up?
Apply now through Frank Poll and join Nebul in shaping the future of high-performance, sovereign cloud platforms.

• Deep experience with datacenter design for AI/HPC environments
• Knowledge of OpenStack, Kubernetes and infrastructure automation tools
• Understanding of lifecycle management for datacenter environments (power, cooling, network scaling)
• Background in working with sinfrastructure providers

• Help design and scale Europe’s most advanced sovereign AI datacenter infrastructure
• Work directly with NVIDIA, Mellanox and best-in-class vendors
• Join a growing, mission-driven team building AI infrastructure from the ground up
• Flexible hybrid setup, based near The Hague and Amsterdam
• Competitive compensation, equity options, and career growth opportunities

• Based in the Netherlands (commute to The Hague)
• Valid EU work permit (no sponsorship available)
• Fluent in English (Dutch not required)