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Sr. Core Integration Engineer (Starlink Mobile)

Join SpaceX as a Sr. Core Integration Engineer to enhance satellite communication networks for Starlink Mobile.

Location
Redmond, WA, United States
Compensation
$165k–$240k/yr
Level
senior
Type
full time

Posted by employer 14 hours ago

First seen on Joblaze 5 hours ago

Last verified on the company career page 5 hours ago

Skills & Technologies

What you'll build

  • Define LTE EPC, 5GC SA and IMS product requirements
  • Create and own documentation of cellular core network design
  • Run technical partnership programs with international mobile network operators
  • Implement tools to conduct, track and improve testing processes
  • Ensure compliance with operating licenses

Must have

  • Bachelor’s degree in an engineering discipline
  • 5+ years of experience with integration of cellular LTE core networks
  • 2+ years of experience with 3G, LTE, or 5G network delivery
  • Experience with 3GPP network packet core and transport interfaces/protocols

Nice to have

  • Master’s degree in an engineering discipline
  • Hands-on experience with IMS architecture and voice service integration
  • Knowledge of satellite and wireless communication theory
  • Ability to handle C-level technical discussions
  • 5+ years integrating and/or testing cellular 3G/4G/5G

Practical constraints

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

Requirements

Experience
5+ years
Education
Bachelor's degree

Not disclosed in this posting: work arrangement, visa sponsorship.

Benefits

401k Match Paid Vacation Equity/Stock Options Paid Holidays Health Insurance Parental Leave

Joblaze summary

In the role of Sr. Core Integration Engineer for Starlink Mobile, the individual will focus on integrating and testing satellite communication systems to ensure optimal performance and reliability. Key skills include expertise in LTE EPC, 5GC, and IMS networks, along with experience in 3GPP protocols and network automation. This position is suited for seasoned professionals with a strong background in cellular network integration and a strategic mindset for technology decision-making. The team is engaged in ambitious projects aimed at expanding global mobile network capabilities.

Joblaze insights

  • Listed today — first seen on Joblaze October 21, 2026. Last confirmed on SpaceX's careers page October 21, 2026.
  • Salary band is above the typical range for comparable tech roles (median ~$129,200).
  • Starts above 55% of 53 comparable senior other roles in United States that list Linux we track (median $155,000 across 16 companies). See Linux salary trends
  • Linux appears in 3.6% of 2538 comparable senior other roles in United States; 3GPP appears in 0.1% of 2538 comparable senior other roles in United States.

Quick facts

What's the salary range?
SpaceX lists $165,000–$240,000 for this role.
How much experience is required?
At least 5 years of relevant experience for this Sr. Core Integration Engineer (Starlink Mobile) role.
What's the tech stack?
Joblaze extracted these technologies from the posting: 3GPP, 5G, Atlassian, EPC, Git, IMS.
What seniority level is this role?
SpaceX targets senior candidates for this position.
Is this full-time or contract?
Full-time for this Sr. Core Integration Engineer (Starlink Mobile) role at SpaceX.

From the original posting

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

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:

Standard company text repeated across SpaceX's postings is omitted here.

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