Principal Software Engineer, Platform Team

SpaceX

Confirmed live 2 days ago Low trust

Quick summary

Work type
On-site
Location
Hawthorne, CA
Salary
$200,000–$285,000 / yr
Posted
158 days ago
Freshness
Confirmed live 2 days ago

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $197k
This role $242k
$122k most similar roles pay here $303k

This role pays more than 87% of similar roles. Most pay $172,987–$220,800 — the shaded band above. At the midpoint, this role pays about $242k versus about $197k for comparable roles.

Based on 240 similar postings.

Employer

About SpaceX

SpaceX designs, manufactures, and launches advanced rockets and spacecraft with the mission of enabling humans to become a multi-planetary species. It operates the Falcon 9, Falcon Heavy, and Starship launch vehicles, as well as the Starlink satellite internet constellation.

SpaceX currently has 680 open roles on FindRole.

Listed pay typically runs $130,000–$165,000 across 442 roles with salary data.

Most-posted roles

View all roles at SpaceX

At a glance

TL;DR · Principal Software Engineer, Platform Team

As a Principal Software Engineer (Platform Team), you will define the technical vision and architecture for the company’s AI platform and security infrastructure. You will lead high-impact initiatives, including onboarding frontier models, scaling massive compute capacity, and optimizing proxy systems for logging, control, and security. Your daily work involves building secure gateways using Docker containers to integrate with various cloud providers and multiple model providers while developing risk-mitigation tools like intelligent code reviews and automated PR assistants. You will leverage Python, Kubernetes, and infrastructure-as-code to build reliable MLOps platforms and internal developer tools. The role focuses on solving the challenge of making trustworthy AI a core capability across the organization by converting engineering knowledge into production software and automated systems while ensuring secure, scalable access to advanced data analysis and model lifecycle management.

What does a Software Engineer earn in California?

Median $214000 from 775 postings across 63 companies.

See salary data

What you'll do

  • Define and drive the long-term technical vision and architecture for SpaceX’s AI platform and security infrastructure.
  • Oversee the onboarding of frontier models, massive compute scaling, and optimization of proxy systems for security and efficiency.
  • Develop risk-mitigation tools including intelligent code reviews, automated PR assistants, and safety systems.
  • Convert engineering knowledge into production software, trained models, and automated systems using reliable compute.
  • Establish standards and best practices for lean, secure, and effective applied AI across the organization.
  • Lead high-impact initiatives with full ownership over strategy, design, implementation, and company-wide rollout.
  • Mentor senior engineers and create reusable assets to drive adoption of AI-first workflows.

What we're looking for

  • Bachelor's degree in computer science, engineering, or a related field is required.
  • Candidates must have 7+ years of experience building and scaling production platforms or 9+ years without a degree.
  • Experience designing and operating large-scale AI/ML platforms, internal developer platforms, or mission-critical infrastructure is required.
  • Expertise in Docker/Kubernetes ecosystems, zero-trust security models, and multi-cloud integrations is preferred.
  • Deep expertise in MLOps, distributed compute, model lifecycle management, and building highly observable systems is preferred.
  • Mastery of Python and broad expertise across modern languages and tooling are required.
  • Experience with infrastructure-as-code and advanced observability tools is preferred.
  • Must be a U.S. citizen, national, lawful permanent resident, or eligible for specific export control authorizations.

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