Note: The job is a remote job and is open to candidates in USA. SimSpace is an AI Proving Ground that empowers organizations to train, test, and outmaneuver adversaries in various environments. The Staff Site Reliability Engineer will define the technical vision, lead architecture efforts, and secure the infrastructure for the SimSpace cyber range platform, ensuring reliable and scalable deployments.
Responsibilities
- Design and architect the overarching infrastructure strategy that enables consistent, repeatable, and secure deployments across SimSpace-hosted data centers, customer-provided hardware, and highly restricted air-gapped environments
- Lead the evolution of our CI/CD and Kubernetes platforms
- Drive advanced application packaging, templating, and configuration management strategies using Jsonnet and Grafana Tanka (alongside Kustomize)
- Define, measure, and govern Service Level Indicators (SLIs), Service Level Objectives (SLOs), and Error Budgets across the engineering organization
- Partner with product and engineering leadership to balance feature delivery with platform stability
- Architect our enterprise observability strategy using the Grafana stack
- Design frameworks for proactive monitoring, complex anomaly detection, and distributed tracing that give teams unparalleled visibility into system health, pod scaling, and latency bottlenecks
- Drive the infrastructure security posture at an architectural level
- Embed advanced container security, zero-trust network segmentation, and automated compliance policies directly into our deployment pipelines and runtime environments
- Serve as a strategic partner and consultant to development teams
- Advocate for an 'SRE culture' by designing self-service tooling, establishing 'paved roads' for developers, and reducing operational toil across the entire engineering org
- Act as an Incident Commander during complex, high-severity outages
- Drive blameless post-mortems and engineer long-term, systemic, and architectural fixes to ensure classes of failures never repeat
- Act as a technical mentor to senior and mid-level engineers
- Raise the baseline of engineering excellence across the company by coaching, documenting best practices, and leading by example
Skills
- 8+ years of experience in Site Reliability, Platform, or DevOps engineering, with a proven track record of operating at a Staff, Principal, or Lead level to drive organization-wide infrastructure initiatives
- Deep software engineering skills (beyond scripting) and can architect complex, production-quality systems
- Language agnostic, but highly proficient in at least one modern language (e.g., Go, Python)
- Deep, architectural understanding of Kubernetes in multi-tenant and multi-cluster production environments
- Expert-level knowledge of Jsonnet and Grafana Tanka for managing complex, scalable Kubernetes configurations and application packaging
- Extensive experience architecting sophisticated CI/CD pipelines and GitOps workflows using GitHub Actions, ArgoCD, and infrastructure-as-code principles at an enterprise scale
- Systems-level thinking with the ability to design architectures that span self-hosted, on-premises, VMware-based, and air-gapped deployment models
- Deep expertise with observability platforms (Grafana stack preferred) and a proven ability to design alerting and monitoring strategies for complex distributed systems
- Strong background in infrastructure security architecture, including container hardening, network security, vulnerability management, and delivering software to heavily regulated or customer-managed environments
- Exceptional communication and stakeholder management skills
- Ability to influence cross-functional leadership, negotiate reliability tradeoffs, and align engineering teams behind a unified technical vision
Benefits
- Bonuses tied to company performance and individual contributions
- Comprehensive medical, dental, and vision benefits, plus savings plans—coverage starts on day one!
- Access to company-paid counseling, coaching, and resources for you and your family through Spring Health
- 401(k)-retirement savings plan featuring a company match
- Unlimited vacation and dedicated health & wellness days
- Paid leave plans to support you and your loved ones during life’s most important moments
- Equity stock options at hire, with annual performance-based grants
- Earn $1,500–$3,500 for every qualified hire through our employee referral program
- Full- and partial- subsidized membership plans and equipment discounts to help you reach your personalized fitness goals
- Access a LinkedIn Learning membership to prioritize your personal and professional development
- Monthly reimbursements for meaningful connections with teammates through our SocialSpace Community
- Legal plan coverage, pet insurance, wellness reimbursements, and more to simplify life’s details
Company Overview
SimSpace combines high-fidelity, military-grade cyber ranges and training content with unique user and adversary emulation techniques. It was founded in 2015, and is headquartered in Boston, Massachusetts, USA, with a workforce of 201-500 employees. Its website is https://www.simspace.com/.