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Sr. Core Integration Engineer (Starlink Mobile)

SpaceX· Starlink Mobile - Partnerships and Integration
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Redmond, WA$165k - $240kfull-timePosted 5d ago

About the role

Senior core network integration engineer responsible for integrating, testing, and evaluating LTE/5G core networks (EPC, 5GC SA, IMS) for Starlink Mobile, documenting designs, and coordinating with international mobile operators to enable carrier-grade network integration and compliant performance.

Responsibilities

  • Define LTE EPC, 5GC SA and IMS product requirements, identify new product features, and develop core network integration plans for communication into carrier-grade network architecture.
  • Identify technology trades and create product roadmaps for cellular core products globally (emergency, public warning systems, roaming services and voice over LTE, NR, WiFi).
  • Run technical partnership programs with international mobile network operators (scale to 10x what we have today), including deep technical discussions and supporting core network integrations.
  • Create and own documentation of cellular core network design, integration, and performance metrics for the international expansion strategy for direct to handset, including EPC, 5GC SA and IMS products, 3GPP features and interfaces support, and regulatory.

Qualifications

  • Bachelor’s degree in an engineering discipline.
  • 5+ years of experience with integration of cellular LTE core networks (EPC, 5GC, and IMS).
  • 2+ years of experience with 3G, LTE, or 5G network delivery, automation, design, and deployment.
  • Experience with 3GPP network packet core and transport interfaces/protocols (SIP, RTP, Diameter, SCTP, GTP, NAS, NGAP, HTTP2 and similar).

Skills

Required:LTE EPC, 5GC SA, IMS3GPP core network protocols
Nice to have:IMS architecture and VoLTE/VoNR/VoWiFiAutomation and test development

Benefits

  • Long-term incentives (stock or long-term cash awards)
  • potential discretionary bonuses
  • Employee Stock Purchase Plan
  • medical, vision, and dental coverage
  • 401(k) retirement plan
  • short and long-term disability insurance
  • life insurance
  • paid parental leave
  • 3 weeks paid vacation and 10+ paid holidays per year
  • paid sick time in Washington State
  • company shuttles from select Seattle locations to SpaceX Redmond office (Mon-Fri)
Last updated Oct 21, 2026. Interested? Apply on the company site.

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