Top Network Engineer Jobs in Seattle, WA

Lead design, deployment, automation, and reliability of CoreWeave's global backbone and edge network. Drive large-scale PoP deployments, capacity planning, troubleshooting, automation (Python/Ansible/IaC), operational standards, incident leadership, and mentor engineers while participating in senior on-call rotation.

Lead infrastructure engineering workstreams to design, operate, and modernize network and cloud infrastructure. Troubleshoot moderate-complexity problems, drive architecture and automation, partner with risk/compliance, mentor engineers, and apply AI-assisted tooling while ensuring security, resiliency, and auditability.

Design, implement, and maintain large-scale datacenter and global backbone networks. Diagnose and resolve complex network issues, automate provisioning and compliance with Python/Go/Salt, perform capacity planning, lead maintenance and migrations, run proofs-of-concept, and produce network documentation, runbooks, and BOMs while mentoring team members and coordinating incident responses.

Design, deploy, and operate large-scale RDMA/RoCE network fabrics for OCI AI/HPC customers. Lead lifecycle and incident management, perform root cause analysis, develop automation and tooling, collaborate with product and vendor teams, and mentor junior engineers to improve reliability and operational readiness.

The Network Engineer III will lead network design, configuration, and maintenance, troubleshoot complex issues, mentor junior engineers, and collaborate with vendors on critical projects.

Lead technical ownership of enterprise network services: define strategy, design high-availability services, provide technical leadership during incidents, develop operational processes and runbooks, coach teams, audit configurations, manage vendor/managed-service relationships, and maintain KPIs and documentation for 24x7 network operations.

Design, automate, deploy, and support large-scale cloud networking solutions across Azure. Troubleshoot live-site incidents, improve performance, contribute to incident response and postmortems, and collaborate on scalable Layer 3 network designs (BGP/OSPF/IPv6, EVPN/VXLAN, SDN/NFV). Participate in on-call rotation and mentor peers.

Design, build, and maintain production platforms and services that automate and operate CoreWeave's network (config generation, provisioning, workflow automation, observability, CLIs/APIs). Lead technical direction, plan multi-month projects, write high-quality Python and Go software, define SLOs/SLIs, reduce manual toil, participate in on-call, mentor engineers, and collaborate across Network, Observability, Fleet, and HPC teams.

Deliver wireless planning, design, implementation and optimization for enterprise WLAN/Service Provider Wi‑Fi accounts. Perform architecture, configuration, integration, operational support, RF design/surveys, troubleshooting, L2/L3 IP network design, and assist with implementation, testing and cutovers while advising on best practices.

Manage and support Cisco-based network environments for retail stores, handling routers, switches, firewalls, upgrades, patching, performance monitoring, and vendor coordination. Provide production support following incident/change/problem processes, plus troubleshooting POS, access points, and handheld connectivity in a global delivery setting.

Lead technical vision and cross-team initiatives for Network Expansion, architecting and delivering distributed, customer-facing systems. Manage and coach multiple engineering teams, collaborate with product/design/operations, own business outcomes, and improve CI/CD, testing, and production reliability.

Own design, deployment, and operation of corporate and wireless networking across multi-site offices and data center-adjacent environments. Design Wi‑Fi for challenging RF environments, validate with surveys, run automation-first corporate network operations (config-as-code, zero-touch), onboard new sites, and ensure reliable remote access and campus LAN connectivity.

Responsible for deploying and scaling network infrastructure across global data centers, creating deployment processes, and updating network standards.

The Network Engineer will deploy and scale network infrastructure in AWS, automate processes, troubleshoot network issues, and collaborate with teams to meet customer demands.

Responsible for troubleshooting and applying IP and TCP protocols, managing Cisco deployments, and communicating with business partners using strong routing knowledge.

As a Network Engineer, you'll deploy and automate network infrastructure on AWS, ensuring scalable solutions and troubleshooting network issues across global datacenters.

The ITAR Network Engineer is responsible for network administration, troubleshooting, and security architecture design with a focus on various network technologies and tools.

The ITAR Network Engineer will be responsible for network administration, troubleshooting, and security architecture, requiring expertise in various networking technologies and protocols.

The Network Engineer will manage routing and switching, troubleshoot L2 and L3 issues, and work with WAN and LAN technologies.

The role involves network administration, troubleshooting, and security architecture design, focusing on various firewall and switching technologies.

The Network Engineer will design, implement, and troubleshoot networks, focusing on routing, switching, and WAN/LAN technologies, with 3-5 years of experience.

Design, implement, and maintain data center, campus LAN, internet edge, and branch networks for hybrid cloud and SDDC environments. Automate deployments with CI/CD, configure firewalls/load balancers/routers/switches, perform capacity planning and monitoring, troubleshoot L2/L3 issues, support escalations, produce reports and documentation, coordinate with project teams, and mentor junior engineers.

Design, implement, and maintain data center, campus LAN, internet edge, and branch networks across hybrid cloud and SDDC platforms. Automate deployments, configure firewalls/load balancers/routers/switches, perform capacity planning and monitoring, manage escalations, produce operational documentation and KPIs, and mentor junior engineers while supporting 24/7 operations.

Design, automate, and maintain datacenter, cloud, and office networks. Develop automation (Ansible, scripts), troubleshoot connectivity, implement security, manage network OSes, participate in 24/7 on-call, and collaborate with engineering teams.

Support and maintain a mission-critical Cisco-based LAN/WAN for the Texas Department of Criminal Justice. Monitor circuits, troubleshoot router/switch/firewall issues, implement and upgrade Cisco products, perform maintenance and after-hours support, collaborate across teams, and participate in on-call rotations and occasional on-site work.