Staff Software Engineer, Greyspace

SimSpace

Remote regions

US

Salary range

$185,000–$260,000/yr

Benefits

Unlimited PTO

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Role Overview:

  • Lead the technical design and development of Greyspace, a simulated internet for cyber training.
  • Shape architecture, APIs, and service boundaries with partner teams.

Key Responsibilities:

  • Design and build services for configuring and managing simulated internet environments.
  • Implement realistic network behavior across DNS, TLS, web, and mail, ensuring isolation and safety.
  • Drive reliability through automated tests, observability, and operational readiness.

Required Experience:

  • 8+ years building distributed applications with strong networking fundamentals.
  • Proficiency in modern backend languages, Kubernetes, Linux, and CI/CD.
  • Experience leading complex technical initiatives across teams.

SimSpace

SimSpace provides a realistic cyber range platform for training, testing, and validating AI-ready defenses. Founded in 2015 by U.S. Cyber Command and MIT Lincoln Laboratory experts, it values human-centered culture and continuous growth.

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