Network Engineer

3 days ago

London, Greater London, United Kingdom Nscale Full time

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.

At Nscale, our Engineering team plays a critical role in driving the deployment and then subsequent management of our infrastructure and software platforms.. 

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 (Job Purpose)

The Network Engineering Team is responsible for the design, deployment, and ongoing operation of all networking services that underpin both the internal management platform and the customer-facing cloud infrastructure, this includes internet transit, WAN connectivity and DC networking. They act as a 3/4th line escalation point for the support organisation.

What You'll be Doing (Responsibilities)

  • Designing, deploying and operating high speed Ethernet based networks
  • Designing, deploying and operating high speed Infiniband networks
  • Working with deployment teams to ensure BOMs are correct and fit for purpose
  • Providing input into DC layout and Rack elevations, to ensure our Reference Architectures are implemented correctly
  • Troubleshooting performance issues on both Ethernet and Infiniband networks
  • Automating the deployment and initial standup of multiple vendors hardware
  • Automating the day to operations of multiple vendors hardware
  • Designing, implementing and supporting our WAN infrastructure

About You (Skills / Qualifications Experience)

  • Proven experience in designing, deploying, and operating high-speed Ethernet networks, including technologies such as VLAN, LACP, MLAG, BGP, OSPF, EVPN, and VXLAN.
  • Proven experience in designing, deploying, and operating InfiniBand networking, including configuration, performance tuning, and troubleshooting (e.g., Subnet Managers, QoS, RDMA).
  • Strong knowledge of WAN technologies including MPLS,BGP,IPSec, GRE, SD-WAN, and associated routing protocols.
  • Knowledge of HPC networking topologies. Fat Tree, Rail
  • Strong Python or Bash
  • Strong Optics and hardware knowledge to assist with BOM design

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, please let us know.

For information on how Nscale handles candidate personal data, please see our Employee & Candidate Privacy Notice: Here.

  • Network Engineer

    2 weeks ago

    London, Greater London, United Kingdom Experis UK Full time £60,000 - £100,000 per year

    Network Engineer - JuniperMust have an Active DV ClearanceOverview - Network Engineer - JuniperWe are seeking an experiencedNetwork Engineer - Juniperto join a high-profile and secure environment. This role requires strong expertise in network administration and design, with hands-on experience across enterprise-scale environments. As aNetwork Engineer -...

  • Network Engineer

    3 days ago

    London, Greater London, United Kingdom Xantium Full time

    The Xantium Group seeks a Network Engineer to join a successful and growing team. Working closely with our Head of Network Engineering, this person will assist in deploying, configuring and supporting network infrastructure. They will also diagnose and troubleshoot networking incidents and support low-latency trading and research systems.The Network Engineer...

  • Network Engineer

    2 weeks ago

    London, Greater London, United Kingdom Hanson Lee Resourcing Full time £70,000 per year

    Job Description Network Engineer | Permanent - up to £70,000 - City of London | Lloyd's of London InsuranceA pan UK/European insurance company is looking for a Network Engineer who can play a key role in an expanding team. As Network Engineer, you will be responsible for supporting data and voice network equipment as well as the planning & installation for...

  • Network Engineer

    2 weeks ago

    London, Greater London, United Kingdom Colt Technology Services Full time £60,000 - £120,000 per year

    Why we need this roleAs Technical Program Manager – Subsea, primary responsibilities are: management of marine network repair activities, management of marine network maintenance and upgrade projects, management of marine engineering projects, supporting marine network legal and regulatory requirements, and supporting sales opportunities. Join us and you...

  • Network Engineer

    5 days ago

    London, Greater London, United Kingdom Test Yantra Full time

    Role: Network EngineerEmployment: PermanentLocation: London,UKQualificationsProven experience as a Network Engineer focusing on routing, switching, Cisco WiFiDeep understanding of networking protocols (e.g., QoS, BGP, OSPF, HSRP, 802.11, 802.1x, IPSEC).Hands-on experience with monitoring, network diagnostic, and network analytics tools including Cisco...

  • Network Engineers

    2 weeks ago

    London, Greater London, United Kingdom Roc Technologies Full time £40,000 - £80,000 per year

    Network Engineer – Central LondonRoc Technologies delivers transformational IT solutions to organisations across the UK. We bring together highly secure infrastructure, advanced cyber security, intelligent automation and modern cloud services, all supported by our 24/7 Managed Services Operations Centre and backed up by some of the UK's most rigorous data...

  • Network Engineer

    2 weeks ago

    London, Greater London, United Kingdom Stanford Black Limited Full time £120,000 - £180,000 per year

    Network Engineer - Systematic Trading Firm | Up to £150K BaseA high-growth systematic trading firm is looking for a highly skilled Network Engineer to help scale and modernise their infrastructure. You'll play a critical role in designing and implementing advanced networking solutions across LAN, WAN, Data Centre, Colo, Campus, and Cloud environments....

  • Network Engineer

    3 days ago

    London, Greater London, United Kingdom G-Research Full time

    We tackle the most complex problems in quantitative finance, by bringing scientific clarity to financial complexity.From our London HQ, we unite world-class researchers and engineers in an environment that values deep exploration and methodical execution - because the best ideas take time to evolve.  Together we're building a world-class platform to amplify...

  • Network Engineer

    1 week ago

    London, Greater London, United Kingdom aramco Full time £86,000 - £140,000 per year

    Please note that this role is based in Saudi Arabia on a permanent, residential basis.Job Req ID:16923Description:Aramco energizes the world economy.Aramco occupies a special position in the global energy industry. We are one of the world's largest producers of hydrocarbon energy and chemicals, with among the lowest Upstream carbon intensities of any major...

  • Network Engineer

    7 days ago

    London, Greater London, United Kingdom CIB Recruitment Full time £100,000 - £150,000 per year

    Role Overview:Experienced DV Cleared Network Engineer needed to support and enhance secure data centre infrastructure. You'll be responsible for network design, implementation, configuration, and ongoing support, including operational and project-based tasks.Key Responsibilities:Design, implement, and support data centre network solutionsAudit and review...