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Job Description

Network Design, Development, and Validation:

+ NW engineering background - experience in designing and configuring CLOS NW for cloud services

+ Lead firmware upgrades, configuration refreshes, feature rollouts, and controlled network changes in partnership with operations and deployment teams.

+ Deep experience designing large-scale leaf-spine and multi-fabric data center networks aka CLOS architecture .

+ Hands-on expertise with Ethernet switching, BGP, EVPN/VXLAN, IP addressing, routing scale, ECMP, QoS, and network segmentation .

+ Strong knowledge of management, OOB, console-server, and production data-center network architectures.

+ Experience with network operating systems and hardware platforms such as Arista EOS , Cisco Nexus/NX-OS, NVIDIA Spectrum/Cumulus , or comparable platforms.

+ Experience designing or operating AI/HPC/GPU cluster networking, including RDMA/RoCE, lossless Ethernet, and high-bandwidth fabrics.

+ Experience leading firmware lifecycle management , configuration standardization, vulnerability remediation, and network change governance.

+ Participates in solution architecture discussions, providing technical guidance on network requirements, tradeoffs, and design decisions.

+ Identifies and assesses complex risks in network design and recommends mitigation strategies before deployment.

+ Collaborates with vendors and internal stakeholders to align on hardware, firmware, software, and cloud network code requirements.

+ Designs playbooks for resolving common and uncommon network issues involving moderately complex systems.

+ Analyzes network workflows to identify inefficiencies and proposes scalable solutions to improve performance.

Automation and Scripting:

+ Experience with network automation using Python, Ansible, Terraform, APIs, Git, and CI/CD.

+ Experience with capacity planning, hardware-resource/TCAM analysis, and large-scale routing-table design.

+ Can partner with NW automation teams to design and develop NW modeling and configuration rendering solutions, to be able to review configuration diffs and mitigate configuration issues on NW switches.

+ Designs and builds advanced modules within automation frameworks to support testing, operations, and service reliability across multiple environments.

+ Automates high-impact network tasks for production and lab environments, and optimizes repetitive, cross-team workflows to improve operational efficiency.

+ Develops and maintains advanced dashboards, telemetry tools, and alerting systems to enable proactive monitoring and faster issue resolution.

+ Writes, enhances, and documents reusable scripts that streamline routine network operations across teams and product domains.

+ Modifies and extends infrastructure pipelines and configuration management tools to meet evolving requirements using existing playbooks and custom logic.

+ Independently configures and extends tools to support new products or services, ensuring alignment with platform standards and integration best practices.

Testing and Quality Assurance:

+ Designs and develops advanced test strategies and reusable test cases that validate complex network systems and enhance long-term network integrity and reliability, including testing network features in lab environment and rolling it out in production.

+ Leads team-level test practices and cross-functional collaboration, helping define robust testing protocols and ensuring consistency in execution across environments.

+ Implements and refines post-incident validation methods, integrating break-fix outcomes and lessons learned into continuous test improvements.

+ Reviews and approves L1 and L2 network changes and presents high-impact changes to cross-team change management boards, ensuring risks are understood and mitigated.

+ Partners with cross-functional teams to drive pre-production validation efforts, ensuring systems and environments meet compliance and deployment-readiness criteria.

+ Prepares and delivers audit documentation and test evidence to support internal Governance, Risk, and Compliance (GRC) processes, maintaining alignment with security and policy requirements.

Monitoring and Reliability:

+ Works with others (e.g. monitoring teams) to customize dashboards, telemetry pipelines, and alerting systems, defining service level objectives (SLOs) based thresholds and metrics to monitor network health.

+ Partners with monitoring and Site Reliability Engineering (SRE) teams to refine alerting systems and enhance early detection of network anomalies and degradation.

+ Leads incident response during support rotations, driving root cause analysis and coordinating cross-team resolution for escalated issues.

+ Builds and improves internal tools that enable frontline support teams to efficiently respond to network failures and recurring operational issues.

Cross-Team Collaboration and Leadership:

+ Drives test and deployment milestones in collaboration with project/program managers, adapting plans to address risks and ensure cross-team alignment.

+ Mentors junior engineers and acts as a technical SME, providing hands-on guidance in resolving complex issues.

+ Leads customer engagements on technical escalations and delivers clear, actionable root cause analysis (RCA) documentation.

+ Influences team-level roadmap and architecture decisions, contributing solutions that align with broader engineering goals.

+ Coordinates with vendors and internal teams to resolve standards misalignment, ensuring integration meets technical and operational expectations.

Performance and Capacity Management:

+ Leads analysis of network performance metrics (e.g., latency, throughput, packet loss) to identify systemic inefficiencies and drive scalable improvements.

+ Forecasts infrastructure needs using performance and capacity data, ensuring systems are prepared for anticipated traffic and service growth.

Planning & Execution:

+ Manages and coordinates moderately complex tasks, monitoring timelines and deliverables to ensure timely completion and adherence to requirements for a moderately-sized project or initiative. Efficiently delegates, monitors, and prioritizes work across multiple projects, providing technical oversight and adjusting plans to address shifts in resources or timelines

Location: on-site Seattle, WA, or Redwood City or Santa Clara.

Responsibilities

Qualifications:

+ Deep experience designing large-scale leaf-spine and multi-fabric data center networks.

+ Hands-on expertise with Ethernet switching, BGP, EVPN/VXLAN, IP addressing, routing scale, ECMP, QoS, and network segmentation.

+ Strong knowledge of management, OOB, console-server, and production data-center network architectures.

+ Experience with network operating systems and hardware platforms such as Arista EOS, Cisco Nexus/NX-OS, NVI...

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Principal Network Developer - Seattle or Bay area

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