Senior Infra Engineer: AI-Driven Ops & On-Call Mastery

Pagerfree, Inc.; Northern (KY); Hybrid; USD 120,000 - 180,000; Full time

Job summary

Pagerfree, Inc. is seeking a senior infrastructure engineer to own the ops layer end-to-end for our production customers. You’ll be embedded with clients, handle on-call incidents, optimize performance, and drive proactive infrastructure improvements across multiple environments.

We value clear communication, rapid root-cause analysis, and building AI-enabled tooling that compounds over time. You'll work with Kubernetes, AWS, Postgres, and observability tooling to keep systems reliable as our

Qualifications

• Experience operating production infrastructure at scale.
• Strong backend and systems thinking.
• Experience with AWS, Kubernetes, and Postgres is valuable.

Responsibilities

• Own on-call and incident response for customer production systems.
• Performance engineering to diagnose slow queries and bottlenecks.
• Architecture review and system design guidance for customer teams.
• Database optimization for Postgres including tuning and migrations.
• Build and improve AI agent tooling to speed up incidents.
• Design and build AI agent workflows for real customer infrastructure with sandboxing and audit logging.
• Improve context gathering from logs, metrics, alerts, code, and Slack history.
• Create reusable diagnostic skills that scale with use.
• Collaborate with embedded engineers to deliver contextual tooling.
• Ship fast in a small team with ownership of major system components.

Skills

Production-scale infra

Kubernetes

AWS or GCP

CI/CD pipelines

Postgres tuning

On-call experience

Backend development

Tools

Datadog

Grafana

Prometheus

Python

Go

TypeScript

Job description

Pagerfree, Inc. is seeking a senior infrastructure engineer to own the ops layer end-to-end for our production customers. You’ll be embedded with clients, handle on-call incidents, optimize performance, and drive proactive infrastructure improvements across multiple environments.

We value clear communication, rapid root-cause analysis, and building AI-enabled tooling that compounds over time. You'll work with Kubernetes, AWS, Postgres, and observability tooling to keep systems reliable as our