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Sr. Principal Architect

Unlock employer Riyadh, Saudi Arabia Posted: 06 Apr 2026

Financial

  • Estimate: $120k - $150k*
  • Zero income tax location

Accessibility

  • Fully Remote
  • Apply from abroad
  • Visa Provided

Requirements

  • Experience: Senior
  • English: Professional

Position

We are seeking a Senior Principal Architect, Presales Engineering for the company Networking Service Provider organization. Systems engineering is about building the future. We are redefining what's next and combining our legacy of innovation with a bold new goal to accelerate everything we do.

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Work Conditions: This role has been designated as ‘Remote/Teleworker’, which means you will primarily work from home.

What You'll Do

  • Support AI Grid Strategy: Contribute to the design and execution of "AI Grid" initiatives, working alongside distinguished architects to help Service Providers build high-performance compute and networking fabrics for distributed AI workloads.
  • Architect Edge AI Solutions: Design low-latency networking architectures to support Inferencing at the Edge, enabling SPs to deliver AI services closer to the end-user with minimal jitter and strong throughput.
  • Optimize AI Infrastructure: Articulate the value of specialized AI/ML networking, including the deployment of RDMA over Converged Ethernet (RoCEv2) and InfiniBand-to-Ethernet transitions within the Modern Datacenter.
  • End-to-End AI Design: Participate in the architecture of end-to-end Networking Infrastructure supporting both the Front-end and Back-end AI clusters.
  • Technical Advisory: Advise Sales Engineers and partners on the transition from traditional SP routing to AI-Optimized WAN and Fabric solutions, helping customers meet their requirements for scale and predictive analytics.
  • Ecosystem Collaboration: Engage with Silicon providers, AI software innovators, and Integrators to address emerging AI-scale challenges across multi-tenant environments.
  • AI Networking Design: Design solutions that address Job Completion Time (JCT) metrics relevant to AI training customers, working within established architectural frameworks.
  • Deal Support: In complex Networking Infrastructure deals, support the end-to-end technical solution by collaborating with Distinguished Technologists, Specialists, and Product Management to deliver well-integrated responses.
  • Technical Validation: Deliver Demos and Proof of Concept engagements and clearly articulate the value proposition aligned to specific customer use cases.
  • Stakeholder Engagement: Build relationships with technical decision makers and senior engineering leaders within key customer accounts, supporting smooth knowledge transfer to delivery teams.
  • Solution Economics: Contribute to the sizing, design, configuration, and pricing of technical solutions using industry best practices and established frameworks.

Requirements

  • AI/ML Networking Expertise: Solid experience designing networks for AI clusters, with working knowledge of lossless Ethernet, congestion control algorithms, and load-balancing techniques specific to AI traffic patterns.
  • Edge & Distributed Compute Knowledge: Familiarity with MEC and its intersection with AI inferencing models and 5G transport.
  • Advanced Network Design: 12+ years of experience in Network Infrastructure Design, with at least 2-3 years focused on Hyperscale Datacenter or Cloud-Scale SP architectures.
  • Modern Protocol Fluency: Hands-on experience with JunOS, EOS, or IOS, with working knowledge of EVPN-VXLAN, Segment Routing, and telemetry-driven automation.
  • Systems Thinking: Ability to connect hardware and software considerations to support a cohesive AI Fabric design.
  • Domain Expertise: Experience translating technical networking solutions into business value narratives for director and VP-level stakeholders.
  • Professional Presence: Strong communication skills and the ability to engage confidently with technical decision makers and senior engineering leaders in client organizations.
  • Sales Support: Experience contributing to RFP and Tender response documents, including bill of materials and solution documentation.
  • Collaboration: Demonstrated ability to work effectively with SMEs, specialists, and engineering resources within a matrixed presales environment.

Minimum Qualifications
12+ years of relevant industry experience in Cloud and Networking Infrastructure, routing, and switching domains, with hands-on knowledge in several of the following:

  • Designing large-scale IP/MPLS based Access, Metro, Edge, and Core networks
  • Designing Datacenter IP Fabrics, EVPN/VXLAN Fabrics, and DCI solutions
  • SDN environments including Overlay protocols and tunneling
  • Merchant Silicon familiarity
  • Virtualization and Compute experience including DPDK, SR-IOV, and SmartNICs

Education: Bachelor's degree in technology or related field, or equivalent technical qualifications. Advanced degree is a plus.

Certifications: JNCIP, CCNP, or equivalent industry certifications preferred.

Additional Skills & Requirements

  • Programming: Familiarity with APIs, Postman, JSON, and Python is an asset.
  • Travel: This position may involve up to 40% travel, including some international travel.
  • Core Competencies: Accountability, Critical Thinking, Design Thinking, Growth Mindset, and the ability to operate effectively in a fast-moving, results-oriented environment.
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