Senior Software Engineer, Cyber Range

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Senior Software Engineer, Cyber Range in Remote new

SimSpace Corporation
Full time
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Remote
10/01/2026
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Costa Rica

Responsibilities

Design and build custom tools, scripts, and applications using AI, LLM, and APIs to generate realistic simulated traffic.
Develop and maintain scalable, performant, and fault-tolerant core services for cybersecurity range simulation.
Lead end-to-end technical projects, guide architecture, and mentor engineers.
Create emulated cloud services and synthetic data pipelines for realistic attacker and defender activity.
Implement code reviews, monitoring, alerting, and quality practices to support high uptime.
Collaborate with product managers, UX designers, and content developers to translate training requirements into technical solutions.
Maintain system design, architecture, troubleshooting, and other technical documentation.

Requirements

6+ years of hands-on software development experience focused on large-scale distributed systems.
Expertise in an object-oriented language such as Java, Kotlin, or Python, plus API design involving HTTP/S, OAuth, and SAML.
Proficiency using AI, LLM, and API capabilities for automation and simulation challenges.
Experience with unit and integration testing and deploying services with Kubernetes or similar orchestration platforms.
Proficiency with Terraform, Ansible, and Puppet for managing virtualized platforms such as VMware.
Experience working in or developing for air-gapped environments.
Expertise in virtual networking architecture, segmentation including VPCs and subnets, and secure connectivity solutions.
Experience or familiarity with cybersecurity, including offensive and defensive security.
Ability to lead, drive, and delegate team initiatives and make pragmatic technical trade-offs.

Benefits

Base monthly pay range of 1,500,000 CRC to 2,500,000 CRC, plus potential annual performance bonuses.
Private medical, dental, vision, and life benefits.
Company-paid counseling, coaching, and family resources through Spring Health.
Paid parental leave.
Equity stock options at hire and potential annual performance-based grants.
LinkedIn Learning membership and ongoing learning opportunities.
Monthly reimbursements for teammate connections through the SocialSpace Community.
The posting describes remote or office-based collaboration across departments and time zones.
U.S. hires must verify identity and employment eligibility and complete the required employment eligibility verification document upon hire.

Salary: $135k - $185k/yr

SimSpace Corporation

Allied governments, militaries, commercial enterprises, and research universities worldwide trust SimSpace as the AI Proving Grounds where human operators and AI agents train and test together in a realistic replica of their production environments to outperform and outsmart any adversary in any ...

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