Six Figure Work

Sr. Application Security Engineer

SpaceX

Company websitespacex.com (SpaceX, opens in new tab)

Base salary $170K  to $235K

Employer-published annual base salary, USD. Advertised base range in Redmond, WA

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  • LocationRedmond, WA
  • WorkplaceWorkplace not stated
  • Status at last checkSource accepting applications when checked
  • Last checked (37 min ago) · observed since

About this job

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. APPLICATION SECURITY ENGINEER 

At SpaceX we’re leveraging our experience in building rockets and spacecraft to deploy Starlink, the world’s most advanced broadband internet system. Starlink is the world’s largest satellite constellation and is providing fast, reliable internet to millions of users worldwide. We design, build, test, and operate all parts of the system – thousands of satellites, consumer antennae that allow users to connect within minutes of unboxing, and the software that brings it all together. We’ve only begun to scratch the surface of Starlink’s potential global impact and are looking for best-in-class engineers to help maximize Starlink’s utility for communities and businesses around the globe.

As a Security Software Engineer, you will influence the security of Starlink.com and associated internet infrastructure which our millions of customers use every day to manage their Starlink account and equipment. In this role, you will continually assess Starlink Internet infrastructure and applications for security issues, provide detailed early-stage design feedback to developers, and ensure we're protecting customer data. This role will focus on identifying new security issues, driving long-term improvement, and providing continuous guidance to developers as the Starlink system grows. You will also be responsible for monitoring and responding to bug bounty submissions.

Ideally, you have notable skills in one or more of the following:

  • Web and mobile application penetration testing
  • Web and mobile application software development
  • Defending production infrastructure

Being flexible, communicating clearly, and establishing and maintaining productive working relationships with other engineering teams are paramount to success. If you are passionate about building quality products, love the challenges of outsmarting adversaries, and want to make an impact on an inter-planetary scale, then you will fit right in.

RESPONSIBILITIES:

  • Design and build security infrastructure for Starlink.com and the Starlink mobile application
  • Continually audit and assess Starlink Internet infrastructure for security issues
  • Design security into software processes and provide developer guidance for building secure applications
  • Monitor bug bounty submissions and coordinate response to legitimate submissions
  • Build prototypes and help identify, design, and test security improvements
  • Further our mission of providing secure and reliable Internet to underserved communities

BASIC QUALIFICATIONS:

  • Bachelor's degree in computer science or another STEM discipline and 5+ years of professional experience in security software development; OR 7+ years of professional experience in security software development in lieu of a degree
  • Experience with one or more software development languages (i.e. Python, C++, Golang, C#)
  • Experience designing and implementing application security solutions for web and or mobile applications

PREFERRED SKILLS AND EXPERIENCE:

  • Experience contributing security improvements to complex systems
  • Track record of identifying high-impact vulnerabilities in real-world applications
  • Fundamental understanding of networking and network protocols
  • Flexibility, communicating clearly, and establishing and maintaining productive working relationships with other engineering teams
  • Excellent communication skills, both written and verbal
  • Ability to work both independently and in a team
  • Demonstrated ability to deal with ambiguity and to learn new technologies quickly
  • Advanced degree in a technical or engineering discipline

ADDITIONAL REQUIREMENTS:

  • Must be willing to work extended hours and weekends as needed

COMPENSATION AND BENEFITS:

Pay Range:
Level 3: $170,000.00 - $235,000.00

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]. 

Source: SpaceX on Greenhouse · View original posting (opens in new tab)

Pay in context

This role's base floor ($170,000) is above 60% of the 148 IT & Security roles in Washington listed on this site; 2 others list the same floor. Their median floor is $159,300; the middle half runs from $143,700 to $178,400.

Only jobs on this site count, and each one publishes a base salary of $100,000 or more, so this compares six-figure jobs with each other, not with the whole market. Computed Nov 6, 2026.

This range next to 6 other live SpaceX roles with the nearest advertised base floor
Chart as a table
This range next to 6 other live SpaceX roles with the nearest advertised base floor
RolePublished base
Sr. Application Security Engineer (this listing)$170K - $235K
Sr. AI Security Software Engineer (Starshield)$170K - $265K
Sr. AI Security Software Engineer (Starshield)$170K - $265K
Sr. Product Security Engineer (Starlink)$170K - $265K
Sr. Full Stack Software Engineer (Starlink)$170K - $235K
Sr. Wireless Firmware Engineer (Starlink Mobile)$170K - $235K
Sr. Security Software Engineer (Starlink)$170K - $270K

Same $100K to $400K scale as every card. All SpaceX roles · How to read the bar

Observed changes

  1. First observed on the employer's board
  2. Began meeting the published-salary criteria
Observed since
Employer-stated posting date
2026-07-09
Where this pay comes from

Location as the employer wrote it: Redmond, WA

Level 3: $170,000.00 - $235,000.00

Method
Employer text, read with fixed rules and re-verified
Checked
Rule set
us-base-v2

The pay passage appears in the employer's own job text. Fixed, deterministic rules located it, and the passage below was checked against the stored copy of the posting.

What we verified

  • The pay figures come from the employer's own listing, quoted exactly above.
  • The pay is an annual base salary in US dollars with a minimum of at least $100,000.
  • The role was publicly listed on the employer's job board when last checked.

We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.