1d ago

Senior RAN System Architect

Lanham, Maryland, United States

$150k-$200k / yearest.

full-timeseniortelecom

💼 About This Role

You'll lead the definition, integration, and optimization of LTE/5G radio systems for AST SpaceMobile's satellite-ground infrastructure, the first space-based cellular broadband network accessible by standard phones. Your core impact will be tuning eNB/gNB behavior to maximize throughput, coverage, and reliability over a non-terrestrial deployment. This role uniquely combines deep RAN expertise with product roadmap ownership and customer-facing technical leadership.

🎯 What You'll Do

  • Lead end-to-end RAN performance optimization for eNB/gNB behavior
  • Own cell- and network-level performance modeling and analysis
  • Define, prioritize, and sequence RAN feature roadmap delivery
  • Drive feature provisioning from requirements through integration and validation

📋 Requirements

  • BSc or MSc in Electrical Engineering, Communications Engineering, or related field
  • 8–12 years in cellular system engineering, RAN performance, or architecture roles
  • Expertise in 3GPP specifications for 4G and 5G
  • Firm understanding of PHY/MAC/RLC/PDCP/RRC layers

✨ Nice to Have

  • Experience with non-terrestrial networks (NTN) or space-ground hybrid architecture
  • Hands-on background with beamforming systems, antenna arrays, and RF front-end constraints
  • Knowledge of fronthaul protocols (CPRI/eCPRI) and transport in constrained environments

📨 Hiring Process

Estimated timeline: 2-4 weeks · AI estimate

  1. 1Recruiter Screen· 30 min
  2. 2Technical Interview· 60 min
  3. 3Hiring Manager Interview· 60 min
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