DevSecOps (Kubernetes) SME

Role Overview

Rackner is seeking a DevSecOps (Kubernetes) Engineer SME to support a US Air Force program (Platform One) working on Big Bang, a Platform as a Service (PaaS) tooling environment. Big Bang enables mission application owners to deploy a PaaS in their own Kubernetes clusters running in a cloud or datacenter, with built-in cybersecurity/governance, collaboration tools, and plugins.

Responsibilities

• Build DevSecOps platforms used by mission application owners.
• Create and update Kubernetes clusters using Terraform.
• Deploy applications to Kubernetes clusters by authoring and updating Helm charts.
• Work across multiple Kubernetes distributions (e.g., RKE2, EKS, OpenShift, VMware Tanzu), learning differences as needed.
• Develop and use Kubernetes operators and CRDs (self-teach as required).
• Apply automation best practices using IaC and GitOps for repeatable, fast environment provisioning.
• Ensure platform and pipelines are compliant with DoD cybersecurity policies including NIST 800-53 / RMF and STIGs.
• Collaborate with the Cybersecurity team on system hardening and configuration management.

Requirements

• US Citizen with Secret eligibility.
• 3+ years of Kubernetes experience in production environments.
• Experience with Kubernetes distributions (e.g., RKE2, EKS, OpenShift, VMware Tanzu).
• 3+ years of Terraform experience.
• Helm experience.
• Docker (or other container technologies) experience.

Nice to Have

• Background with defense customers (highly preferable).

Location / Work Mode

• Remote (United States).