SimSpace Corporation

SimSpace Corporation

Visit websiteLinkedIn51-200 employeesH1B sponsor

SimSpace builds cyber ranges and a live-fire simulation platform used by governments, militaries, and large enterprises to train cyber teams, validate defenses, and test AI agents. The company sells software and expert services for training, threat emulation, and technology evaluation in replicas of production environments. Founded in 2015 by veterans of U.S. Cyber Command and MIT Lincoln Laboratory, SimSpace is privately held and headquartered in Orlando, Florida.

Open Positions at SimSpace Corporation

11 open positions

Remote, Costa RicaSenior
$135k - $185k/yr

Senior Software Engineer building high-fidelity cyber-range simulation through distributed services, AI/LLM integrations, emulated cloud environments, and realistic synthetic traffic. The role combines hands-on backend development with technical leadership and mentorship.

AnsibleDockerGitGoJavaKotlin+5 more
4 days ago
Remote, United StatesSenior
$80k - $115k/yr

Architect and operate cloud-based cyber ranges that deliver realistic, isolated security training environments at scale. This role combines infrastructure automation, networking, cloud technologies, and technical customer guidance.

AnsibleDockerGitPuppet
4 days ago
Remote, Costa RicaMid Level

SimSpace is hiring a Fullstack Software Engineer to build and maintain frontend and backend capabilities across its AI-powered cyber simulation platform. The role works closely with UX, Product, and Data Science teams throughout the full development lifecycle.

KotlinKubernetesMongoDBPostgreSQLReactSpring Boot+1 more
13 days ago
Remote, United StatesStaff+
$185k - $260k/yr

Lead the technical direction of reusable cyber ranges, virtual-machine images, and infrastructure automation for SimSpace’s Range Against the Machine team. This hands-on Staff role combines architecture, virtualization, networking, cybersecurity, automation, mentoring, and cross-team technical leadership.

24 days ago
Remote, Costa RicaMid Level

Security Engineer supporting SOC operations through security monitoring, incident response, threat hunting, detection engineering, vulnerability management, and security tool administration. The role is ideal for a bilingual English- and Spanish-speaking security professional with 2–4 years of experience.

1 month ago
Remote, Costa RicaSenior

Senior Cyber Range Engineer responsible for architecting, deploying, and maintaining scalable cloud-based cyber ranges and realistic training environments. The role combines infrastructure automation, networking, isolation, monitoring, and customer enablement to support high-fidelity security simulations.

AnsibleDockerGitKubernetesPuppet
1 month ago
Remote, Costa RicaSenior

SimSpace is seeking a Senior Full Stack Engineer to build the operator-facing web experience for its internet simulation platform. The role primarily focuses on React and TypeScript while contributing to backend services and integrations that support complex, asynchronous platform operations.

1 month ago
Remote, United StatesSenior
$135k - $190k/yr

Senior Solution Engineer supporting technical sales and customer growth across the Americas for SimSpace’s AI-enabled cyber range platform. The role combines discovery, demonstrations, evaluations, RFI/RFP support, and hands-on integrations with cybersecurity tooling and customer environments.

1 month ago
Remote, Costa RicaSenior

Build the simulated internet that cyber range users interact with, from fake SaaS services and content histories to DNS, email, and service lifecycle automation. This broad backend role combines Kubernetes operations, infrastructure engineering, data pipelines, and realistic internet-service behavior.

Remote, Costa RicaSenior

Build the control plane and orchestration engine powering SimSpace’s distributed internet simulation platform. You’ll design platform APIs, event-driven workflows, storage systems, and Kubernetes-native operations for reliable multi-range deployments.

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