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Job Description

Job Description

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As a global leader accelerates its cloud transformation, we are seeking a Chief Network Architect to serve as the senior technical authority for a worldwide network. This highly visible, hands-on individual contributor role will define the architecture for a modern, resilient, software-defined network platform. The platform spans AWS, other public clouds, and on-premise data centers.

Inspired by hyperscale providers such as AWS, we want networks where resilience is engineered into the platform from the start. One example is AWS's move from tree-based data center networks to flat, random-graph-based designs. These designs spread traffic across hundreds of paths and were proven through modeling and simulation before being built. AWS reports about 33% faster data movement, roughly 40% lower network power use, and fewer points of failure. We are looking for an architect who brings this first-principles, evidence-driven thinking to enterprise networking.

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• Define the global network architecture and technical roadmap aligned with business objectives.
• Architect the move from legacy hardware-centric infrastructure to software-defined and cloud-native networking.
• Evaluate modern alternatives to hierarchical designs, including flat fabrics and multipath routing, to remove bottlenecks and single points of failure.
• Design, prototype, and drive adoption of infrastructure-as-code, network automation, automated testing, and continuous deployment.
• Establish patterns for safe, rapid change through automated validation, canary deployments, and progressive rollouts.
• Design self-healing, fault-tolerant architectures using fault-domain isolation, intelligent path selection, and resilience engineering.
• Validate designs through modeling, large-scale simulation, failure testing, and digital twin technologies before production.
• Own the end-to-end architecture across AWS, public and private cloud, data centers, and global connectivity.
• Partner with Cloud Engineering, Security, SRE, Application Development, and Enterprise Architecture teams.
• Set architecture standards and reference designs, and mentor engineers and architects through design reviews and hands-on guidance.
• Evaluate emerging technologies and research, and influence direction with strategic vendors.

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• 15+ years in enterprise networking, network architecture, or cloud platform engineering.
• Experience architecting large-scale global networks for mission-critical environments.
• Extensive hands-on expertise with AWS networking, hybrid cloud, routing, switching, WAN, SD-WAN, and data center networking.
• Strong knowledge of data center fabric design (leaf-spine and Clos topologies, ECMP and multipath routing), plus familiarity with emerging flat and random-graph architectures.
• Strong background in software-defined networking, infrastructure-as-code, automation frameworks, and deployment pipelines.
• Knowledge of distributed systems, graph theory and routing fundamentals, traffic engineering, and fault tolerance.
• Experience using simulation, telemetry, and observability to validate designs and improve outcomes.
• Proven ability to influence senior leaders and engineering teams without direct management authority.

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• First-principles thinker who questions conventional designs and backs ideas with data and proof.
• Hands-on builder who leads by example.
• Strong operational mindset focused on reliability and execution.
• Exceptional communicator with executives and technical teams alike.

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This role will shape a next-generation global network that is resilient, secure, scalable, and efficient. The goal is a network that is effectively invisible to users, where failures are anticipated, handled automatically, and largely unnoticed.

Interested? Send your resume to . Your candidacy will be held strictly confidential, and you're welcome to call me with any questions. Please add me on LinkedIn too. I look forward to connecting with you.

Boyd Kelly
Liberty Personnel Services, Inc.

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Libertyjobs.com has become an essential destination site for experienced job seekers. Our recruiters are continually posting active job openings to the website. Feel free to search our database of open positions and apply for your next career move!

Hundreds of new jobs are listed on the site every month in a wide range of industries and locations. Last year we had over 900,000 unique job seekers visit our website, which means over 75,000 skilled job seekers search our openings every month.

Established in 2003, Liberty Personnel quickly grew into one of the largest technical recruiting agencies on the East Coast. Today, Liberty Personnel has a national presence and a diverse client base. Listed below are a number of the industries and openings we work on:

Information Technology, Software Programmers, Engineering, Manufacturing, Legal, Plant Maintenance, Construction, Oil and Gas, Medical Communications, Accounting, Finance, Electronics, Scientific, Medical Device, Sales, Pharmaceutical, Admin, Automation, Controls, Civil, HVAC, Wastewater, Structural, Electrical, Chemists, Validations, Logistics, Food Production, Renewable Energy and Machinists.

Company Description

Libertyjobs.com has become an essential destination site for experienced job seekers. Our recruiters are continually posting active job openings to the website. Feel free to search our database of open positions and apply for your next career move!\n\nHundreds of new jobs are listed on the site every month in a wide range of industries and locations. Last year we had over 900,000 unique job seekers visit our website, which means over 75,000 skilled job seekers search our openings every month.\n\nEstablished in 2003, Liberty Personnel quickly grew into one of the largest technical recruiting agencies on the East Coast. Today, Liberty Personnel has a national presence and a diverse client base. Listed below are a number of the industries and openings we work on:\n\nInformation Technology, Software Programmers, Engineering, Manufacturing, Legal, Plant Maintenance, Construction, Oil and Gas, Medical Communications, Accounting, Finance, Electronics, Scientific, Medical Device, Sales, Pharmaceutical, Admin, Automation, Controls, Civil, HVAC, Wastewater, Structural, Electrical, Chemists, Validations, Logistics, Food Production, Renewable Energy and Machinists.