Principal Platform Engineer
Livermore, United States · Remote
- Posted 1w ago
- From Phizenix’s careers page
- Location
- Livermore, United States
- Work mode
- Remote
- Level
- Principal
- Experience
- 15+ years
- Department
- Engineering
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About the role
Required
- 15+ years in software engineering, platform or infrastructure engineering, or a closely related technical field.
- Deep, hands-on expertise in infrastructure as code at fleet scale (Terraform or OpenTofu with Terragrunt or equivalent): module architecture, remote state, multi-environment topology.
- Demonstrated experience operating multi-tenant Kubernetes platforms in production: GitOps, network and admission policy, workload identity, tenant isolation.
- Proven track record building CI/CD as a shared platform (GitHub Actions or equivalent), with reusable workflow contracts, fleet-scale branch protection, and enforced quality and security gates.
- Strong hands-on command of cloud identity and network security on Azure/AWS/GCP or a comparable hyperscaler: workload identity federation, RBAC, private networking, WAF, DNS.
- Substantive experience with security and compliance as code: scanning toolchains (Snyk, Checkov, Trivy), policy engines (OPA, Kyverno, Azure Policy), supply chain controls (signing, provenance, SBOM), and SOC2 / ISO 27001 control evidence.
- Production observability with OpenTelemetry or equivalent: collector topology, SLOs and error budgets, alert routing, incident management, fault injection.
- Has built and operated production application software as a software engineer, in at least one of Go, Python, or TypeScript, and is fluent in testing strategy, code review, trunk-based delivery, and release management.
- Excellent written and verbal communication skills in English; ability to translate complex technical topics to diverse audiences, including executive stakeholders.
- Experience with Agile methodologies and cross-functional product team collaboration.
Preferred / Additional Qualifications
- Experience building platforms for consulting, advisory, or professional services, including client-isolation and data-residency requirements.
- Familiarity with virtual-cluster and control-plane tooling (vcluster, Crossplane) and developer portals (Backstage, Port).
- Experience operating a platform used by AI coding assistants (Claude Code, GitHub Copilot or similar), including sandboxing of agent tooling.
- Advanced certifications in cloud architecture, Kubernetes, or security (e.g., Azure Solutions Architect, CKA/CKS, CISSP).
- FinOps experience: cost allocation, showback, and cloud cost optimization.
- Demonstrated enthusiasm for developer education — writing internal guides, running workshops, or building internal tooling communities.
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About Phizenix
AI consulting, talent and trainingPhizenix provides AI consulting and workforce services, including technology recruiting, AI strategy and development, and AI training.
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