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Senior Cloud Network Engineer

Microsoft· Cloud Network Engineering
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Ireland, Dublin€77.4k - €130kfull-timePosted 4d ago

About the role

Senior Cloud Network Engineer responsible for designing, validating, and operating large-scale Microsoft cloud networks, with focus on hyperscale architecture, SONiC, disaggregated networking, and automation to improve reliability, scalability, and performance across global data center networks.

Responsibilities

  • Create and modify network topologies, configurations and patterns that contribute to the design, implementation and operation of reliable, secure, scalable and high-performance networks.
  • Propose network designs or architectural modifications, and participate in architecture reviews covering performance, scale, reliability, security and operational requirements.
  • Develop secure and reliable automation, including infrastructure as code, that improves engineering efficiency, reduces operational burden and human error, and enables sustainable network operations at scale.
  • Develop automated testing and validation for network devices, firmware and configurations, including failure and reliability scenarios, and work across internal engineering teams and external hardware and technology partners to bring solutions safely into production.
  • Use telemetry and production data to identify patterns, improve detection and troubleshooting, understand network behavior and develop measurable improvements in network reliability and operation.
  • Diagnose and root cause complex service-impacting issues across physical network components, device operating systems, network management systems and APIs, converting incident learnings into secure, automated and sustainable improvements.
  • Participate in on-call duties for the production network, provide technical guidance during incidents, contribute to postmortem and root-cause analysis, and mentor other engineers in network engineering and live-site practices.

Qualifications

  • Bachelor's Degree in Electrical Engineering, Optical Engineering, Computer Science, Information Technology, or related field AND technical experience in network design, development, and automation OR equivalent experience.
  • Technical experience in the design, development, automation or operation of large-scale network infrastructure.
  • Experience with network architecture and routing protocols, including BGP, IS-IS, or comparable interior and exterior routing technologies.
  • Experience designing, implementing, validating or troubleshooting IP and MPLS networks in production environments.
  • Experience developing or using network automation, infrastructure as code, APIs, or software-based tooling to configure, validate, monitor or operate network infrastructure.
  • Experience troubleshooting complex production network issues across routing, network operating systems, hardware, telemetry or automation layers.
  • Experience delivering network designs or substantial network changes into production and participating in live-site or on-call accountability for a network.

Skills

Required:BGPIS-ISIP/MPLSInfrastructure as CodeTelemetry/Monitoring

Benefits

  • These requirements include, but are not limited to security screenings: Microsoft Cloud Background Check upon hire/transfer and every two years thereafter.
Last updated Oct 23, 2026. Interested? Apply on the company site.

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