Senior Kubernetes Platform Engineer - AWS & GitOps

3Core Systems, Inc; Peoria (IL); On-site; USD 120,000 - 180,000; Full time

Job summary

3Core Systems, Inc. is seeking a Senior Kubernetes Platform Engineer to design, deploy, and operate a production-grade Kubernetes platform across cloud and on-premises environments. You will drive reliability, security, and scale for enterprise AI workloads while enabling developer productivity.

The role requires hands-on experience with IaC, GitOps, and major cloud platforms, plus strong Linux and security fundamentals to harden production clusters.

Qualifications

• Bachelor’s degree required.
• 10+ years in Kubernetes platform engineering or equivalent.
• Experience building production-grade Kubernetes platforms across cloud, on-prem, or hybrid environments.
• Strong Linux, networking, and storage architecture knowledge.

Responsibilities

• Lead design, deployment, and lifecycle management of highly available Kubernetes platforms across hybrid environments.
• Establish secure multi-tenant platform standards and governance for reliability and scalability.
• Develop automated GitOps pipelines for provisioning, upgrades, patching, and scaling.

Skills

Kubernetes Platform experience

Infrastructure automation (IaC)

GitOps (Argo/CD or Flux)

Cloud platforms (AWS/Azure)

Security & Observability

Education

Bachelor’s Degree

Tools

Kubernetes

Terraform

Helm

Argo CD

Flux

OpenTelemetry

Job description

3Core Systems, Inc. is seeking a Senior Kubernetes Platform Engineer to design, deploy, and operate a production-grade Kubernetes platform across cloud and on-premises environments. You will drive reliability, security, and scale for enterprise AI workloads while enabling developer productivity.

The role requires hands-on experience with IaC, GitOps, and major cloud platforms, plus strong Linux and security fundamentals to harden production clusters.