Sr. Core Integration Engineer (Starlink Mobile)
SpaceX· Aerospace· Oct 20, 2026 · 8d ago
Redmond, WA
In office
Full-time
Senior
$165K–$240K
5+ years exp
Job description
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 EEOCompliance@spacex.com .
Application prep
Use the role’s language and application details while tailoring your materials.
Keywords to mirror
jira
- Platform
- greenhouse
- Effort
- quick
Benefits
Benefits detected in the listing.
Dental
Vision
401(K)
Parental Leave