
201 - 500 employees
Founded 2015
🔒 Cybersecurity
☁️ SaaS
🏛️ Government
🔥 Funding within the last year
💰 $39M Venture Round - SimSpace on 2025-10
Cybersecurity • SaaS • Government
SimSpace is a cybersecurity company that provides a realistic, intelligent cyber range platform for training, testing, and validating security teams, tools, and AI agents. Its platform enables live-fire exercises, threat emulation (full kill-chain and atomic), validation of controls and agentic workflows, and disaster recovery and compliance testing; it is used by enterprises and government customers to build cyber readiness and resilience. Founded by experts from U. S. Cyber Command and MIT Lincoln Laboratory, SimSpace focuses on upskilling individuals, strengthening teams, and evaluating AI-driven defenses in realistic, production-like simulations.
🕒 Yesterday
Cybersecurity Project Manager overseeing AI agent training and evaluation for customers in a dynamic cybersecurity firm. Collaborating with teams to enhance customer cybersecurity posture through innovative solutions.
🇺🇸 United States – Remote
💵 $115k - $135k / year
🔥 Funding within the last year
💰 $39M Venture Round - SimSpace on 2025-10
⏰ Full Time
🟡 Mid-level
🟠 Senior
👮♂️ Cybersecurity / Security Engineer
🦅 H1B Visa Sponsor
Cyber Security
🕒 Yesterday
QA Engineer ensuring platform quality at SimSpace, a cyber defense company. Focused on manual and exploratory testing, collaborating with engineering and product teams.
🇨🇷 Costa Rica – Remote
💵 ₡1.5M - ₡2.5M / month
🔥 Funding within the last year
💰 $39M Venture Round - SimSpace on 2025-10
⏰ Full Time
🟡 Mid-level
🟠 Senior
🔧 QA Engineer (Quality Assurance)
🗣️🇪🇸 Spanish Required
Cloud
Distributed Systems
🕒 3 days ago
Senior Software Engineer building foundational platform abstractions that power SimSpace cyber range. Collaborating on complex systems problems in a remote role based in Costa Rica.
🇨🇷 Costa Rica – Remote
💵 ₡1.5M - ₡2.5M / month
🔥 Funding within the last year
💰 $39M Venture Round - SimSpace on 2025-10
⏰ Full Time
🟠 Senior
🧑💻 Full-stack Engineer
🗣️🇪🇸 Spanish Required
AWS
Azure
Cloud
Distributed Systems
Google Cloud Platform
Java
Kotlin
OpenStack
Scala
VMware
🕒 3 days ago
Staff Software Engineer developing core services for offensive cybersecurity and user emulation solutions. Driving technical projects and mentoring team members with a focus on scalability and performance.
🇺🇸 United States – Remote
💵 $185k - $260k / year
🔥 Funding within the last year
💰 $39M Venture Round - SimSpace on 2025-10
⏰ Full Time
🔴 Lead
🧑💻 Full-stack Engineer
🦅 H1B Visa Sponsor
Cyber Security
Distributed Systems
DNS
Java
Kafka
Kotlin
Kubernetes
RabbitMQ
TCP/IP
🕒 3 days ago
Staff Site Reliability Engineer defining the technical vision and securing infrastructure for SimSpace cyber range platform. Leading architecture and engineering standards to solve complex infrastructure challenges.
🇺🇸 United States – Remote
💵 $165k - $230k / year
🔥 Funding within the last year
💰 $39M Venture Round - SimSpace on 2025-10
⏰ Full Time
🔴 Lead
⛑ DevOps & Site Reliability Engineer (SRE)
🦅 H1B Visa Sponsor
Distributed Systems
Grafana
Kubernetes
Python
VMware
Go
🕒 June 5
Principal Product Manager developing platform capabilities for AI Proving Grounds and cybersecurity. Collaborating with engineering and design teams to enhance cybersecurity training and testing.
🇺🇸 United States – Remote
💵 $215k - $250k / year
🔥 Funding within the last year
💰 $39M Venture Round - SimSpace on 2025-10
⏰ Full Time
🔴 Lead
✅ Product Manager
🦅 H1B Visa Sponsor
🕒 July 9
Software Engineer - Fullstack role at SimSpace engaging in full development lifecycle and collaborating with cross-functional teams. Seeking talented individuals to optimize security investments and enhance cyber readiness.
🇨🇷 Costa Rica – Remote
💵 ₡1.5M - ₡2.5M / month
🔥 Funding within the last year
💰 $39M Venture Round - SimSpace on 2025-10
⏰ Full Time
🟡 Mid-level
🟠 Senior
🧑💻 Full-stack Engineer
🗣️🇪🇸 Spanish Required
Kotlin
Microservices
MongoDB
Postgres
React
Spring
Spring Boot
SpringBoot
TypeScript
🕒 July 9
Software Engineer developing simulated internet services for AI-driven cyber training. Focused on service deployment and automation within a Kubernetes environment.
🇨🇷 Costa Rica – Remote
💵 ₡1.3M - ₡2.3M / month
🔥 Funding within the last year
💰 $39M Venture Round - SimSpace on 2025-10
⏰ Full Time
⚪️ Entry-level
🔙 Backend Engineer
🗣️🇪🇸 Spanish Required
Cyber Security
DNS
Grafana
Kubernetes
🕒 July 9
Senior Software Engineer building the orchestration engine at SimSpace's internet simulation platform. Focus on designing APIs and event-driven systems for multi-tenant platform.
🇨🇷 Costa Rica – Remote
💵 ₡1.5M - ₡2.5M / month
🔥 Funding within the last year
💰 $39M Venture Round - SimSpace on 2025-10
⏰ Full Time
🟠 Senior
🔙 Backend Engineer
🗣️🇪🇸 Spanish Required
Kubernetes
🕒 July 9
Backend Senior Software Engineer specializing in microservices for cybersecurity simulations in a remote setting. Leading technical projects and mentoring team members in software development.
🇨🇷 Costa Rica – Remote
💵 ₡1.5M - ₡2.5M / month
🔥 Funding within the last year
💰 $39M Venture Round - SimSpace on 2025-10
⏰ Full Time
🟠 Senior
🔙 Backend Engineer
Cyber Security
Distributed Systems
Java
Kotlin
Kubernetes
🕒 July 8
Staff Software Engineer leading identity architecture and development at SimSpace. Designing secure and scalable systems for identity and access management.
🇺🇸 United States – Remote
💵 $185k - $260k / year
🔥 Funding within the last year
💰 $39M Venture Round - SimSpace on 2025-10
⏰ Full Time
🔴 Lead
🧑💻 Full-stack Engineer
🦅 H1B Visa Sponsor
Kubernetes
🕒 June 29
Engineering Manager leading Core UI team at SimSpace. Responsible for frontend architecture, team mentorship, and ensuring high-quality user experiences.
🇺🇸 United States – Remote
💵 $160k - $220k / year
🔥 Funding within the last year
💰 $39M Venture Round - SimSpace on 2025-10
⏰ Full Time
🟠 Senior
🔴 Lead
👮♀️ Software Engineering Manager
🦅 H1B Visa Sponsor
React
TypeScript
🕒 June 16
Manager of Hiring & Internal Mobility at SimSpace overseeing global recruitment strategies and team development in a tech-focused environment. A hands-on leadership role emphasizing continuous improvement and strategic talent management.
🇺🇸 United States – Remote
💵 $140k - $190k / year
🔥 Funding within the last year
💰 $39M Venture Round - SimSpace on 2025-10
⏰ Full Time
🟡 Mid-level
🟠 Senior
👔 Manager
🦅 H1B Visa Sponsor
🕒 June 16
Technical lead designing eBPF-based routing simulation for SimSpace's internet simulation platform. Collaborate with engineers to build innovative cybersecurity solutions.
🇺🇸 United States – Remote
💵 $160k - $225k / year
🔥 Funding within the last year
💰 $39M Venture Round - SimSpace on 2025-10
⏰ Full Time
🟠 Senior
🧑💻 Full-stack Engineer
🦅 H1B Visa Sponsor
Cyber Security
DNS
Kubernetes
Linux
Python
Rust
Go
🕒 June 15
Staff Software Engineer leading frontend architecture and UI initiatives for SimSpace, focusing on quality, ownership, and collaboration with product teams.
🇺🇸 United States – Remote
💵 $185k - $260k / year
🔥 Funding within the last year
💰 $39M Venture Round - SimSpace on 2025-10
⏰ Full Time
🔴 Lead
🧑💻 Full-stack Engineer
🦅 H1B Visa Sponsor
React
TypeScript
🕒 June 15
Senior META Solution Engineer helping drive growth across Middle East, Turkey, and Africa regions. Collaborate with sales, product, and support teams to enhance cyber readiness for clients.
🇦🇪 United Arab Emirates (UAE) – Remote
💵 $135k - $190k / year
🔥 Funding within the last year
💰 $39M Venture Round - SimSpace on 2025-10
⏰ Full Time
🟠 Senior
💻 Solutions Engineer
🗣️🇸🇦 Arabic Required
Cloud
Cyber Security
🕒 June 11
Senior Network Security Engineer at SimSpace responsible for designing and maintaining network security infrastructure. Leading operational support and incident response efforts across corporate offices and data centers.
🇺🇸 United States – Remote
💵 $135k - $205k / year
🔥 Funding within the last year
💰 $39M Venture Round - SimSpace on 2025-10
⏰ Full Time
🟠 Senior
👮♂️ Cybersecurity / Security Engineer
🦅 H1B Visa Sponsor
Cloud
DNS
Firewalls
Switching
TCP/IP
VMware
🕒 June 5
Cybersecurity Professional developing methodologies incorporating AI into security workflows and mentoring global teams. Requires extensive experience in AI and cybersecurity operations.
🇺🇸 United States – Remote
💵 $135k - $200k / year
🔥 Funding within the last year
💰 $39M Venture Round - SimSpace on 2025-10
⏰ Full Time
🟠 Senior
🕵️ Threat Intelligence Specialist
🦅 H1B Visa Sponsor
🕒 June 5
Cybersecurity Professional developing methodologies incorporating AI into security workflows and mentoring global teams. Requires extensive experience in AI and cybersecurity operations.
🇺🇸 United States – Remote
💵 $135k - $200k / year
🔥 Funding within the last year
💰 $39M Venture Round - SimSpace on 2025-10
⏰ Full Time
🟠 Senior
🕵️ Threat Intelligence Specialist
🦅 H1B Visa Sponsor
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