Job Opportunities API

SimSpace serves as an AI Proving Ground where organizations can confidently train, test, and outmaneuver adversaries in any environment. Trusted by allied governments, militaries, enterprises, and research institutions worldwide, SimSpace enables adaptive, AI-ready defenses that stay ahead of evolving threats. Founded in 2015 by experts from U.S. Cyber Command and MIT Lincoln Laboratory, the platform unifies training, testing, and validation in a realistic, live-fire simulation—helping teams evaluate security investments, optimize performance, and compress cyber readiness cycles from months to days. Why join SimSpace? We are an organization that is focused on building our culture and mindfully enhancing our atmosphere every day which is why we have collaborated on an integral value system. Our governing philosophy of being Human Centered is deeply embedded within our value system. We apply this philosophy to every one of our internal team members, external clients, and their customers. How Do We Work? We believe that people are at the center of everything we do. SimSpace fosters a culture of continuous learning, curiosity, and professional growth. That belief shows up in action: in-house training, internal and external learning platforms, cyber conferences, industry events, and dedicated time for skill development. Our people are empowered to shape their careers - and it shows. Year over year, SimSpace consistently outperforms industry benchmarks in internal mobility, promotions, and total rewards growth. Who Thrives Here? We are a team of innovators, protectors, and problem-solvers. We believe diversity of thought and experience fuels better solutions, and we’re committed to building teams that reflect the communities we serve. Whether you’re remote or office-based, you’ll collaborate with talented colleagues across departments and time zones, united by the mission to create a safer digital world. We invite you to apply today! SENIOR SOFTWARE ENGINEER, CORE SERVICES, COSTA RICA We are looking for a Senior Software Engineer to join the Core Services team building the foundational platform abstractions that power the SimSpace cyber range. The ideal candidate is a strong backend engineer who thrives on complex systems problems — someone who can reason about infrastructure integration challenges, build software that other teams depend on, and hold a high bar for reliability and API design while still delivering pragmatically. This is not a web application role; the work lives at the intersection of distributed systems, virtualization, and platform engineering. In this position, you'll design and build the core services that enable cyber range creation, orchestration, and management in a multi-tenant environment. The team operates as both a delivery team and a platform team — you'll be building new capabilities while also supporting the engineering teams that consume your APIs and abstractions. The software you write must work reliably against external infrastructure with varying capabilities and constraints, and you'll need to be comfortable navigating that complexity. Specifically, this team builds the services and APIs responsible for: - Cyber range lifecycle management — provisioning, configuration, teardown, and everything in between - Virtualization and infrastructure integration layers that bridge the platform to underlying compute environments - In-range asset management — versioning, templates, and configuration of the virtual machines that make up a range - Control plane coordination between the platform and the range environment at runtime WHAT WILL YOU BE DOING AS A SENIOR SOFTWARE ENGINEER, CORE SERVICES AT SIMSPACE? - Design and implement core platform services in Kotlin, building the abstractions described above across diverse infrastructure targets. API design quality, documentation, and stability are first-order concerns — not afterthoughts. - Solve difficult i