Senior Network Engineer

Nscale

$120K — $145K *
Telecommunications & Hardware
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of proven experience designing and managing high-speed Ethernet networks.
  • In-depth knowledge of WAN technologies (MPLS, BGP, etc.) and associated routing protocols.
  • Solid understanding of data center networking best practices, especially for front-end networks.
  • Proficient in Python or Bash scripting for automation tasks.
  • Thorough knowledge of optics and hardware standards relevant to network design and troubleshooting.

Responsibilities

  • Design and manage high-speed Ethernet networks for data center fabrics and connectivity.
  • Collaborate with deployment teams on Bill of Materials to ensure suitable component selection.
  • Contribute to data center layout and network architecture for scalability and correctness.
  • Troubleshoot Ethernet network performance and connectivity issues effectively.
  • Automate deployment and operational processes for multi-vendor Ethernet hardware.
  • Design and support WAN and long-distance infrastructure, including carrier circuits.
  • Work with architecture and operations to enhance network reliability and efficiency.

Benefits

  • Collaborative work environment with a focus on innovation and improvement.
  • Opportunities to work with advanced networking technologies and automation.
  • Exposure to large-scale infrastructure projects and initiatives.
  • Access to professional development resources and training programs.
Full Job Description
About the Role (Job Purpose)

The Network Engineering Team is responsible for the design, deployment, and ongoing operation of all front-end networking services that underpin both the internal management platform and the customer-facing cloud infrastructure. This includes high-speed Ethernet data center fabrics, internet transit, WAN/long-haul connectivity, and data center networking. The team acts as a 3rd/4th line escalation point for the support organization.
What You'll Be Doing (Responsibilities)
  • Designing, deploying, and operating high-speed Ethernet-based front-end networks (data centre fabrics, management networks, inference traffic paths, and storage connectivity)
  • Working with deployment teams to ensure BOMs are correct and fit for purpose, with strong focus on optics, cabling, and hardware selection
  • Providing input into DC layout, rack elevations, and reference architectures to ensure front-end networks are implemented correctly and scalably
  • Troubleshooting performance and connectivity issues on Ethernet front-end networks, including routing, optics, and long-haul circuits
  • Automating the deployment, initial stand-up, and day-to-day operations of multi-vendor Ethernet hardware and platforms
  • Designing, implementing, and supporting WAN and long-haul infrastructure (including carrier circuits, DCI, and internet transit)
  • Collaborating with Architecture and Operations teams to maintain high reliability, observability, and operational efficiency across front-end networks
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
  • Strong knowledge of WAN and long-haul technologies, including MPLS, BGP, IPsec, GRE, SD-WAN, carrier Ethernet, and associated routing protocols
  • Solid understanding of data centre networking topologies and best practices for front-end / infrastructure networks
  • Strong Python or Bash scripting skills for automation and tooling
  • Strong optics and hardware knowledge to assist with BOM design, cabling standards, and troubleshooting
  • Experience working in fast-paced operational environments with a focus on reliability and automation
Nice to Have
  • Hands-on experience with Arista (EOS) and/or Nokia networking platforms
  • Experience with large-scale DCI, long-haul optical transport, or carrier circuit management
  • Familiarity with storage networking over Ethernet and shared storage connectivity
  • Experience with network automation frameworks, validation tooling, or observability platforms (e.g., streaming telemetry, Prometheus, Grafana)
  • Prior exposure to AI or hyperscale infrastructure environments

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