Jobs at SimSpace

As a Senior Sales Executive (Federal) at SimSpace, you will drive new business development across U.S. Federal agencies, focusing on cybersecurity and AI technologies, building pipeline, and closing complex sales deals.

Own revenue accounting and accounts receivable for a fast-growing SaaS company: maintain ASC 606 revenue schedules, record journal entries, manage billing and collections, reconcile balances, support month-/year-end close, assist treasury and audits, and improve billing and accounting processes.

Lead and mentor threat hunting and blue team activities across enterprise clients; design and run cyber range exercises and CTFs; build detection rules, dashboards, and toolsets; analyze large telemetry datasets; integrate and test AI/agentic capabilities; advise on security stack setup and incident response; travel to customer sites (up to ~20%).

Manage technical delivery of cyber range engagements: coordinate environments, lead exercise planning and execution, support AI agent training/validation, liaise between customers and Professional Services, document outcomes, and maintain customer relationships. Travel up to 25%.

Perform manual and exploratory testing across web apps, APIs, backend services, and end-to-end workflows. Create test plans and cases, execute regression testing, write reproducible bug reports, investigate customer issues, and collaborate with engineering and product teams to improve testability and release quality.

Lead quality strategy and test automation for distributed systems. Design and maintain automated tests for APIs, backend services, and end-to-end workflows. Improve CI/CD reliability, reduce flakiness, apply AI-assisted testing techniques, and mentor teams to enhance observability, testability, and release confidence.

Design and implement core backend platform services in Kotlin for cyber range lifecycle, virtualization integration, asset/version management, and control-plane coordination. Own features end-to-end, ensure API quality and stability, build reliable integrations with diverse infrastructure, write production-quality tests and instrumentation, support consuming teams, and resolve performance and reliability issues.

Lead strategy and roadmap for a platform enabling AI training, testing, and validation within realistic cyber environments. Drive cross-functional product development, define functional and non-functional requirements, prioritize initiatives, and measure product outcomes. Partner with engineering, design, and cyber SMEs to deliver scalable, secure platform capabilities and represent product strategy to customers and leadership. Mentor product team members and ensure customer-focused adoption and measurable business impact.

Lead design, development, and operation of containerized microservices for offensive cybersecurity and user emulation. Drive architecture, mentor engineers, own end-to-end projects, define best practices, ensure reliability and security, collaborate cross-functionally, and implement monitoring, testing, and deployment pipelines for high-fidelity cyber range services.

Lead technical strategy and architecture for SimSpace's infrastructure, evolving CI/CD and multi-cluster Kubernetes platforms using Jsonnet and Grafana Tanka. Define SLIs/SLOs, build observability with the Grafana stack, embed security and compliance into pipelines, enable self-service developer tooling, command major incidents, and mentor engineering teams to improve reliability and scalability across cloud, on-prem, VMware, and air-gapped deployments.

The Senior Manager of Product Marketing will operationalize SimSpace's messaging, partner closely with Product and Sales, and create impactful materials for demand generation in the cybersecurity domain.

The Staff Site Reliability Engineer will lead the architecture and security of the SimSpace cyber range platform, focusing on reliability, automation, and observability across diverse deployment environments while mentoring engineers and driving infrastructure initiatives.

The Staff Software Engineer on the AUE team is responsible for designing and maintaining offensive cybersecurity services, mentoring team members, managing projects, ensuring code quality, and driving technical direction within a collaborative environment.

Technical lead to design and build an eBPF-based kernel-level internet simulation and control plane. Own XDP/TC hooks, BPF maps, topology database, and lightweight in-range agents. Mentor engineers, set architecture, and productionize a proof-of-concept for multi-tenant cyber range network simulation with realistic ASN routing and traceroute fidelity.

Lead and develop a distributed Hiring & Internal Mobility team; own strategic requisitions; coach recruiters and hiring managers; optimize Ashby and recruiting workflows; analyze hiring metrics; drive employer branding, candidate experience, and internal mobility programs; advise leaders and continuously improve talent processes.

Lead frontend architecture and technical direction for shared UI systems and design system. Build, maintain, and document reusable component libraries; collaborate with UX, product, and engineering. Champion accessibility, testing, performance, and design-to-code workflows. Mentor engineers, review contributions, and deliver major UI initiatives end-to-end while balancing technical debt and product needs.

Build and operate a catalog of simulated internet services: deploy/automate containerized services on Kubernetes, seed realistic content via scraping/transforms, manage authoritative DNS and email delivery infrastructure, integrate real SaaS/cloud services, instrument observability, and expose service APIs for orchestration while collaborating with identity/persona teams.

Build and own the control plane and orchestration engine for a multi-tenant internet simulation platform: design the platform API, implement the event-driven orchestration backbone, manage persistent storage, create Kubernetes operators/controllers for deployment and upgrades, define authoritative state and recovery behaviors, support in-range proxy agent infrastructure, and partner with SRE on runbooks, observability, and security.

Design and build the control plane API and event-driven orchestration backbone for a multi-tenant internet simulation platform. Own persistent storage abstractions, Kubernetes operators/controllers, deployment and upgrade strategies, and the state model for consistency and recovery. Collaborate on in-range proxy agents, partner with SRE on runbooks and observability, and contribute to configuration, secrets, and security posture.

Develop and maintain full‑stack features across frontend and backend, collaborate with UX/Product/Data Science, participate in planning/demos/retrospectives, write tests and documentation, mentor peers, and deliver iterative high‑quality code for a microservices-based platform.