Sr. Core Integration Engineer (Starlink Mobile)

SpaceX•Redmond, WA
•$165,000 - $240,000

About The Position

As a member of the Starlink Mobile team, the Sr. Core Network Integration Engineer integrates, tests, and evaluates the functional performance, reliability, and robustness of a complex satellite communications network. The role integrates communication system components on satellites and ground stations, assesses and reports performance status to project leaders, and implements tools to improve testing processes and effectiveness. It helps ensure strong communications performance, successful integration with mobile operators, and compliance with operating licenses. The position defines LTE EPC, 5GC SA, and IMS product requirements; identifies features and technology trades; develops core network integration plans and product roadmaps; and leads technical partnership programs with international mobile network operators. It also owns documentation of cellular core network design, integration, and performance metrics supporting international direct-to-handset expansion.

Requirements

  • Bachelor’s degree in an engineering discipline.
  • At least 5 years of experience integrating cellular LTE core networks (EPC, 5GC, and IMS).
  • At least 2 years of experience with 3G, LTE, or 5G network delivery, automation, design, and deployment.
  • Experience with 3GPP network packet core and transport interfaces and protocols, such as SIP, RTP, Diameter, SCTP, GTP, NAS, NGAP, and HTTP2.
  • Willingness to work extended hours and weekends as needed.
  • Willingness and ability to spend extended periods at partner sites.

Nice To Haves

  • Master’s degree in an engineering discipline.
  • Strategic technology decision-making and core networking infrastructure and feature roadmap design in an operator or vendor setting.
  • Hands-on experience with IMS architecture and voice service integration (VoLTE, VoNR, and VoWiFi), including SIP signaling, RTP media, and EPC/5GC interworking.
  • Knowledge of satellite and wireless communication theory.
  • Ability to handle C-level technical discussions and presentations.
  • At least 5 years integrating and/or testing cellular 3G/4G/5G or similar protocol stacks.
  • Experience with Linux and Linux automation tools.
  • Experience with lab equipment such as network analyzers, packet load modules, and network emulators.
  • Script development for test automation, test plans, and test beds.
  • Experience with Atlassian tools (Jira, Stash, Bamboo) and Git/Gerrit or SVN.
  • Excellent communication skills and ability to work independently.

Responsibilities

  • Define LTE EPC, 5GC SA, and IMS product requirements, identify new product features, and develop core network integration plans for carrier-grade network architecture.
  • Identify technology trades and create global cellular core product roadmaps, including emergency services, public warning systems, roaming, and voice over LTE, NR, and WiFi.
  • Run technical partnership programs with international mobile network operators, including technical discussions and support for core network integrations.
  • Create and own documentation of cellular core network design, integration, and performance metrics for the international direct-to-handset expansion strategy, including EPC, 5GC SA and IMS products, 3GPP features and interface support, and regulatory matters.

Benefits

  • Potential eligibility for long-term incentives in the form of company stock or long-term cash awards.
  • Potential discretionary bonuses.
  • Ability to purchase additional stock at a discount through an Employee Stock Purchase Plan.
  • Medical coverage.
  • Vision coverage.
  • Dental coverage.
  • 401(k) retirement plan.
  • Short- and long-term disability insurance.
  • Life insurance.
  • Paid parental leave.
  • Various other discounts and perks.
  • May accrue 3 weeks of paid vacation.
  • Eligible for 10 or more paid holidays per year.
  • Paid sick time for employees in Washington State, in compliance with state and federal law.
  • Company shuttles for roundtrip travel from select Seattle locations to the SpaceX Redmond office, Monday to Friday.
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