Cloud Network Engineers II / Senior Cloud Network Engineers - Network, Optical & Hybrid Cloud

Microsoft Digital (MSD) builds and manages the critical products and services that Microsoft runs on. We pursue bold ideas that advance Microsoft and our customers while helping teams work smarter, faster, and more securely. Our engineers combine deep technical and business expertise, customer insight, and firsthand experience operating Microsoft and industry solutions at global scale. Within Microsoft Digital, Infrastructure Engineering Services (IES) partners with the business to create innovative, secure, and enterprise-scalable solutions using Microsoft and industry-leading products and services. IES helps maximize productivity, influences the products our customers use, and enables Microsoft’s digital transformation across thousands of employees and partners. We are hiring for multiple Cloud Network Engineers II and a Senior Cloud Network Engineer for these exciting opportunities in MSD! As a Cloud Network Engineer, you will help design, build, automate, secure, and operate Microsoft’s global enterprise network, including routing and switching, optical transport, corporate hybrid-hosting infrastructure, and connectivity between on-premises lab environments and Azure. You will solve complex infrastructure challenges, improve reliability by identifying and eliminating defects, and partner across engineering, security, product, and customer teams to deliver resilient services at scale. Microsoft’s mission is to empower every person and every organization on the planet to achieve more. We bring a growth mindset to our work, innovate to empower others, and collaborate with respect, integrity, and accountability so everyone can thrive at work and beyond.

Apply knowledge of enterprise networking, field data, and industry trends to engineer, design, implement, and operate global routing, switching, optical, and hybrid-cloud network services. Translate security, business, availability, and functional requirements into secure technical architectures that balance cost, interoperability, performance, reliability, and operational supportability. Create bills of materials and translate high-level architecture into detailed low-level designs for datacenters, network sites, optical infrastructure, on-premises lab networks, and Azure-connected environments. Partner with security teams, application owners, internal customers, product groups, and service leaders to assess connectivity requests and implement appropriate Azure and network technologies. Design and implement least-privilege hybrid network topologies that connect internal workloads and on-premises environments to Azure compute, networking, and storage services. Participate in design and code reviews, validate solutions against quality and secure-by-design standards, and establish consistent engineering standards across services and workloads. Develop automation for provisioning, deployment, validation, operations, monitoring, and quality at scale using scripting, machine-readable network definitions, and emerging capabilities such as agentic AI. Manage network and optical deployments through continuous-delivery practices; test and validate devices, configurations, and service changes before and after release. Monitor, analyze, debug, and troubleshoot enterprise infrastructure across Layer 2 and Layer 3 networking, routing and switching protocols, transport services, firewalls, load balancers, overlays, and optical systems. Participate in on-call and Designated Responsible Individual (DRI) rotations, customer issue intake, and live-site response for availability, security, and compliance incidents; produce root-cause analyses and drive corrective actions. Improve service reliability by identifying systemic defects, strengthening observability and operational processes, and working with product development teams to enhance platforms and services. Drive adherence to security and compliance objectives while maintaining clear internal and