Sr. Core Integration Engineer (Starlink Mobile)

Posted 7 Days Ago
Be an Early Applicant
Redmond, WA, USA
In-Office
165K-240K Annually
Senior level
Aerospace • Other
The Role
Integrate, test, and evaluate satellite and ground-based cellular core networks for Starlink Mobile. Define LTE EPC, 5G Core, and IMS requirements; develop integration plans, technology roadmaps, and performance metrics; support international mobile operator partnerships; and ensure network reliability, regulatory compliance, and interoperability. The role also requires technical documentation, test automation, protocol-stack integration, and engagement with senior technical stakeholders.
Summary Generated by Built In

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars.

SR. CORE NETWORK INTEGRATION ENGINEER (STARLINK MOBILE)

As a member of the Starlink Mobile team, this position will play a critical role in integrating, testing and evaluating the functional performance, reliability and robustness of a complex satellite communication network. You will integrate the communication system components on satellite and ground stations. You will explore, assess, track, and report performance status to project leaders. You will implement tools to conduct, track and improve testing processes and effectiveness. You will ensure that satellites and ground networks provide the best possible communications system performance, successful network integration with mobile operators while also ensuring compliance with our operating licenses.

 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.

BASIC 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).

PREFERRED SKILLS:

  • Master’s degree in an engineering discipline.
  • Strategic technology decision making and design of core networking infrastructure and feature roadmaps 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 interworking with EPC/5GC
  • Knowledge of satellite and wireless communication theory.
  • Ability to handle C-level technical discussions and presentations.
  • 5+ years integrating and/or testing cellular 3G/4G/5G or similar protocol stacks.
  • Linux and Linux automation tools.
  • Lab equipment such as network analyzers, packet load modules, and network emulators.
  • Script development for test automation, test plans, and test beds.
  • Atlassian (Jira, Stash, Bamboo) and Git/Gerrit or SVN.
  • Excellent communication and ability to work independently.

ADDITIONAL REQUIREMENTS:

  • Willing to work extended hours and weekends as needed.
  • Willing and able to spend extended periods at partner sites.

COMPENSATION AND BENEFITS:
Pay Range:
Level 3: $165,000.00 - $240,000.00

Your actual level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience.

Base salary is just one part of your total rewards package at SpaceX. You may also be eligible for long-term incentives, in the form of company stock or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan. You will also receive access to comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short and long-term disability insurance, life insurance, paid parental leave, and various other discounts and perks. You may also accrue 3 weeks of paid vacation and will be eligible for 10 or more paid holidays per year. Employees in Washington State accrue paid sick time in compliance with state and federal law. Company shuttles are offered to employees for roundtrip travel from select Seattle locations to the SpaceX Redmond office Monday to Friday.

ITAR REQUIREMENTS:

  • To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.  

SpaceX is an Equal Opportunity Employer; employment with SpaceX is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Applicants wishing to view a copy of SpaceX’s Affirmative Action Plan for veterans and individuals with disabilities, or applicants requiring reasonable accommodation to the application/interview process should reach out to [email protected]. 

Skills Required

  • Bachelor's degree in an engineering discipline
  • 5+ years of experience integrating cellular LTE core networks, including EPC, 5GC, and IMS
  • 2+ years of experience with 3G, LTE, or 5G network delivery, automation, design, and deployment
  • Experience with 3GPP packet core and transport interfaces and protocols, including SIP, RTP, Diameter, SCTP, GTP, NAS, NGAP, and HTTP/2
  • Master's degree in an engineering discipline
  • Experience making strategic technology decisions and designing core networking infrastructure and feature roadmaps in an operator or vendor setting
  • Hands-on experience with IMS architecture and voice service integration, including VoLTE, VoNR, VoWiFi, SIP signaling, RTP media, and EPC/5GC interworking
  • Knowledge of satellite and wireless communication theory
  • Ability to conduct C-level technical discussions and presentations
  • 5+ years of experience integrating or testing cellular 3G, 4G, 5G, or similar protocol stacks
  • Experience with Linux and Linux automation tools
  • Experience with network analyzers, packet load modules, and network emulators
  • Experience developing scripts for test automation, test plans, and test beds
  • Experience with Atlassian Jira, Stash, Bamboo, Git/Gerrit, or SVN
  • Excellent communication skills and ability to work independently
  • Willingness to work extended hours and weekends as needed
  • Willingness and ability to spend extended periods at partner sites
  • Must meet applicable ITAR authorization requirements, including U.S. citizenship, lawful permanent residency, refugee or asylee status, or eligibility to obtain required authorizations

SpaceX Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about SpaceX and has not been reviewed or approved by SpaceX.

  • Equity Value & Accessibility — Equity grants are a core part of total compensation, with periodic company-run tender offers that create liquidity before any public listing. These mechanisms can make the equity component feel materially valuable in practice.
  • Healthcare Strength — The package includes comprehensive medical, dental, and vision coverage, with on-site clinics and health resources at major sites. This breadth of coverage is presented as a strong element of the offering.
  • Wellbeing & Lifestyle Benefits — Major locations feature on-site amenities such as fitness facilities, food/coffee, clinics, and other conveniences. These lifestyle perks enhance day-to-day value alongside cash and equity.

SpaceX Insights

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The Company
HQ: Hawthorne, CA
8,879 Employees
Year Founded: 2002

What We Do

SpaceX designs, manufactures and launches the world’s most advanced rockets and spacecraft. The company was founded in 2002 by Elon Musk to revolutionize space transportation, with the ultimate goal of making life multiplanetary. SpaceX has gained worldwide attention for a series of historic milestones. It is the only private company ever to return a spacecraft from low-Earth orbit, which it first accomplished in December 2010. The company made history again in May 2012 when its Dragon spacecraft attached to the International Space Station, exchanged cargo payloads, and returned safely to Earth — a technically challenging feat previously accomplished only by governments. Since then Dragon has delivered cargo to and from the space station multiple times, providing regular cargo resupply missions for NASA.

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