Staff DevOps Engineer — Scale a Multi-Tenant AI Platform (Hybrid)

Witness AI; Mountain View (CA); Hybrid; USD 210,000 - 257,000; Full time

Benefits offered by this job

Hybrid work environment

Competitive salary and equity

Health, dental, and vision insurance

401(k) plan

Opportunities for professional develop

Generous vacation policy

Job summary

WitnessAI is seeking a Staff DevOps Engineer to own the architecture and operations of a large-scale multi-tenant SaaS platform across AWS and GCP. You will partner with product engineering teams on service design and work autonomously from ambiguous problems to production solutions.

This role demands deep expertise in Kubernetes, IaC, CI/CD, and security, plus the ability to build AI/LLM-enabled tooling for platform operations and incident response.

Qualifications

• 10+ years in DevOps, Platform Engineering, or SRE in cloud-native SaaS
• Expert AWS (EKS, RDS/Aurora, IAM, VPC) with GCP experience
• Production Terraform at scale: modules, state, drift detection, multi-account patterns
• Advanced Kubernetes: RBAC, network policy, GitOps, operators
• Strong Go and/or Python - production-grade tooling
• Hands-on AI/LLM tooling integration into engineering workflows
• Production SQL and NoSQL platform operations
• Design and operation of large-scale multi-cluster observability
• DevSecOps: vulnerability management, supply chain security, SOC 2/ISO 27001
• Self-directed: scopes ambiguous problems and delivers independently

Responsibilities

• Design and operate 50+ EKS/GKE clusters across AWS and GCP
• Own Terraform for multi-account, multi-region environments (200+ repos)
• Architect and run end-to-end CI/CD pipelines with security tooling
• Build and operate large-scale observability stacks with OpenTelemetry
• Embed DevSecOps controls: secret mgmt, image signing, policy-as-code
• Create AI/LLM-powered internal tools for platform operations
• Operate SQL and NoSQL platforms at scale including DR and lifecycle
• Collaborate with dev teams from architecture review to production launch
• Produce ADRs, runbooks, and engineering standards

Skills

AWS Expertise

Kubernetes

Terraform

CI/CD

Go

Python

Security

AI/LLM tooling

Observability

Self-directed

Tools

Harness

GitHub Actions

ArgoCD

OpenTelemetry

Cosign

Chainguard

OPA Kyverno

Job description

WitnessAI is seeking a Staff DevOps Engineer to own the architecture and operations of a large-scale multi-tenant SaaS platform across AWS and GCP. You will partner with product engineering teams on service design and work autonomously from ambiguous problems to production solutions.

This role demands deep expertise in Kubernetes, IaC, CI/CD, and security, plus the ability to build AI/LLM-enabled tooling for platform operations and incident response.