Europe Arbeitnow ·
full-timeSenior Network Engineer – Deployment
Nscaleoperationsukltd · Europe
. About Nscale Nscale is the GPU cloud engineered for AI. We provide cost-effective, high-performance infrastructure for AI start-ups and large enterprise customers. Nscale enables AI-focused companies to achieve superior results by reducing the complexity of AI development. Our GPU cloud bolsters technical capabilities and directly supports strategic business outcomes, including cost management, rapid innovation, and environmental responsibility. We thrive on a culture of relentless innovation, ownership, and accountability, where every team member takes pride in their work and drives it with excellence and urgency. As an Nscaler, you'll build trust through openness and transparency, where everyone is inspired to do their best work. If you join our team, you'll be contributing to building the technology that powers the future. About the Role We're looking for a Senior Network Engineer to build and bring up the networks behind Nscale's GPU clusters across Europe. You'll join our Deployment organisation, a build org that owns every step from hardware arrival on site through to customer acceptance. This is a hands-on engineering role. You'll take network designs into production: configuring and validating cluster fabrics, front-end networks, and WAN edge, troubleshooting issues during bring-up, and making sure every build is ready for customers. The role involves regular travel to our sites. What You'll be Doing Deploy, configure, and validate high-performance Ethernet and InfiniBand fabrics for large GPU clusters. Bring up front-end, storage, and management networks and WAN edge connectivity for new sites and expansions. Run network acceptance testing and performance validation ahead of customer handover. Troubleshoot and resolve issues across routing, switching, optics, and cabling during build and early life. Work with Network Architecture to refine reference designs, BOMs, and build standards based on what you learn in the field. Build and improve automation for provisioning, configuration, and validation. Partner with Technical Program Managers, Data Centre Operations, and vendors to keep builds on schedule. Write clear runbooks and documentation so builds are repeatable across sites. About You 5+ years of network engineering experience in large-scale data centre, cloud, or HPC environments. Experience at a hyperscaler or major network vendor (e.g. Microsoft, AWS, Oracle/OCI, Cisco) or a comparable large-scale network. Strong hands-on knowledge of routing and switching: BGP, OSPF, EVPN/VXLAN, ECMP, and L2/L3 data centre design. Experience deploying and operating cluster networks, ideally including InfiniBand or RoCE fabrics. Practical experience with network automation (Python, Ansible, or similar). Calm, methodical troubleshooter who can work under deadline pressure on live builds. Willingness to travel across Europe to sites as needed. Nice to Have Experience building networks for GPU clusters or AI training environments. Familiarity with HPC topologies (Fat Tree, Rail) and 400G/800G optics. Experience with SONiC, Cumulus, or other open networking platforms. WAN, peering, or DWDM experience. Industry certifications such as CCNP/CCIE, JNCIP/JNCIE, or NVIDIA networking certifications. Why this role matters The network is what turns thousands of GPUs into a single system. Your work decides how fast new clusters reach customers and how well they perform once they do. Equal Opportunities Statement At Nscale, we are committed to fostering an inclusive, diverse, and equitable workplace. We believe that a variety of perspectives enriches our work environment, and we encourage applications from candidates of all backgrounds, experiences, and abilities. We strongly encourage applications from people of colour, the LGBTQ+ community, people with disabilities, neurodivergent people, parents, carers, and people from lower socio-economic backgrounds. If there's anything we can do to accommodate your specific situation, plea
| Role | Senior Network Engineer – Deployment |
|---|---|
| Company | Nscaleoperationsukltd |
| Location | Europe |
| Type | full-time |
| Compensation | Not disclosed |
| Deadline | Rolling |
Typical process for this type of role
A general guide — the exact steps for this specific listing may vary; check the original posting for details.
- 1ApplicationSubmit your resume through the apply link.
- 2ScreeningRecruiter reviews your background against the role.
- 3AssessmentA technical test, assignment, or coding round, depending on the role.
- 4Interview(s)One or more rounds with the hiring team.
- 5OfferOffer letter with compensation and start date.
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