Horizon3AI
Senior/Staff Platform Engineer
$200K–$270K
US, Remote · Remote · Staff · Full-time · Posted Sep 24, 2026
- Experience
- 8+ years in platform engineering, infrastructure engineering, SRE, DevOps, or software engineering with substantial production-platform ownership.
About the job
Leads the design and operation of Horizon3’s cloud and delivery platform, improving reliability, security, developer workflows, and reusable self-service capabilities for NodeZero.
What you'll do
- Design and evolve AWS, Kubernetes/EKS, and shared platform services, including infrastructure automation and regional or ephemeral environments.
- Lead cross-team platform initiatives, set standards, mentor engineers, and partner with product and engineering teams on durable solutions.
- Improve platform reliability, observability, security, and delivery; participate in on-call and incident response.
What they ask for
- Deep experience designing and operating cloud platforms; strong production Kubernetes experience.
- Strong infrastructure-as-code and automation experience with Terraform, Crossplane, or comparable tools; experience operating CI/CD and delivery infrastructure.
- Understanding of IAM, secrets, networking, ingress, least privilege, distributed-systems observability, and operational practices.
- Proficiency in Go and Python; demonstrated cross-team technical leadership, communication, mentoring, and influence.
Nice to have
- Multi-region or multi-environment SaaS, internal developer platform, declarative API, or Platform-as-a-Service experience.
- GitLab CI/CD, self-hosted runners, OpenTelemetry, Datadog, ephemeral environments, or security-sensitive/cybersecurity experience.
Pay
$199,750 - $270,000 annually (base salary)
Tools
AWS, Kubernetes, EKS, Terraform, Crossplane, GitLab, OpenTelemetry, Datadog
Model-written summary · the original posting is authoritative