Lead Site Reliability Engineer

Lumen is the trusted network for the AI‑powered world, connecting people, data, and applications through our expansive fiber network and connected ecosystem. We enable secure, high‑performance connectivity across cloud, edge, and AI workloads for enterprises, governments, and communities.

At Lumen, you’ll work on infrastructure customers rely on today and build for what’s next, where performance, security, and resilience matter.

This is a high accountability environment where bold ideas drive real innovation for our customers, partners, and industry. The work is challenging, expectations are clear, and trust is built into how we operate. If you’re ready to take ownership, deliver meaningful impact, and help shape the future of AI‑ready connectivity, join us today.

The Role

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Lumen is seeking a Lead Site Reliability Engineer (SRE) who will be a catalyst for transformational change and operational excellence. The ideal candidate not only builds and operates systems but proactively identifies gaps, challenges legacy approaches, and delivers high-impact changes that improve customer experience. You will own platform engineering standards across Azure Public and Azure Government clouds, lead the design of CI/CD and observability systems, and partner closely with development teams to deliver scalable, secure, and compliant high-availability services.

Location

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This role is designated as a fully remote position within the United States.

The Main Responsibilities

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• Design, build, and operate AKS clusters with enterprise guardrails (RBAC, pod security policies, node pools, autoscaling, upgrade strategies).
• Implement GitOps with Flux CD; define Helm chart standards and manage lifecycle via Helm 3.
• Own container platform best practices: Docker image standards, multi-stage builds, SBOM, vulnerability scanning, and base image governance.
• Configure Nginx (ingress controller) and Kong (AP