Backend Senior Software Engineer, Attack and User Emulation Team (AUE)

SimSpace

Remote regions

US

Salary range

$185,000–$260,000/yr

Benefits

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Responsibilities:

  • Architectural Leadership & Execution: Architect, design, and deliver highly scalable, fault-tolerant distributed microservices for cybersecurity simulations.
  • AI & Agent Infrastructure: Design platform capabilities that coordinate AI-enabled services and autonomous workflows for intelligent emulation behaviors.
  • Cross-Functional & Strategic Ownership: Partner with Product Managers and Engineering Leadership to define roadmap priorities and lead end-to-end execution.

Qualifications:

  • 4+ years of hands-on software development with a track record of building large-scale distributed microservices in production.
  • Deep expertise in OOP languages such as Java or Kotlin, with proven experience in API design and event-driven architectures.
  • Production expertise in Kubernetes, Docker, and Spring Boot, with experience integrating AI/LLM capabilities into production systems.

Who You Are:

  • A Technical Leader who drives strategic initiatives and elevates team members through mentorship and constructive feedback.
  • An Innovative AI Practitioner excited about integrating agentic AI and ML/RL techniques to push the boundaries of cyber emulation.
  • A Cybersecurity enthusiast with domain interest in security platforms and solving challenges unique to cyber simulation.

SimSpace

SimSpace is an AI Proving Ground that provides a realistic, live-fire cyber range for training, testing, and validation. Founded in 2015 by experts from U.S. Cyber Command and MIT Lincoln Laboratory, the company fosters a human-centered culture with continuous learning and professional growth, outperforming industry benchmarks in mobility and rewards.

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