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Relativity Space Logo

Sr Software Development Engineer in Test

Relativity Space

$153,000 - $196,000
Dec 9, 2025
Long Beach, CA, US
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Relativity Space is looking to solve the problem of delivering customer payloads to orbit with their Terran R vehicle, and achieving commercial success to unlock new opportunities for science, exploration, and innovation.

Requirements

  • 5+ years of experience in software development or test engineering, including 2+ years architecting automated test frameworks for integrated systems
  • Proven ability to design and scale unit, integration, and system-level automation frameworks, with strong software skills in Python, Rust, or C++
  • Familiarity with CI/CD workflows, containerization (Docker), telemetry/log aggregation, and automated test pipelines
  • Experience with Python and/or Rust
  • Strong debugging skills, strong ownership, and attention to detail
  • Familiarity with Conda, GitLab CI/CD, Grafana, version control practices, artifact repositories
  • Experience working with hardware-in-the-loop (HITL), simulation environments, or large-scale system integration

Responsibilities

  • Own the architecture and implementation of scalable automation frameworks to validate full-stack vehicle software
  • Develop automated integration and end-to-end test suites to exercise real-time control flows, telemetry, mission sequences, and failure scenarios
  • Implement automated test cases and analyzers to benchmark performance, validate qualification metrics, and publish dashboards
  • Drive continuous test execution through CI pipelines to deliver fast regression feedback and release confidence
  • Lead system-level test execution during release cycles and validate subsystem integrations prior to full-system execution
  • Present release readiness reviews by aggregating test results, metrics, quality gates, and risk assessments
  • Mentor engineers on automation architecture, instrumentation strategies, and scalable test-design patterns

Other

  • 2+ years of experience in a related field
  • Ability to work effectively across software, hardware, and operations teams
  • Strong analytical skills and experience supporting data reviews, root cause investigations, or release audits
  • Ability to operate in fast-paced, cross-functional environments
  • Bachelor's degree or higher in a related field (not explicitly mentioned but implied)