Principal Linux Platform Engineer

Principal Linux Platform Engineer at Request Technology, LLC Principal Linux Platform Engineer at Request Technology, LLC in Stone Park, Illinois Posted in about 3 hours ago.

Type:

full-time

Job Description:

• We are unable to sponsor as this is a permanent full time role
• Hybrid, 3 days onsite, 2 days remote
• A prestigious company is looking for a Principal Linux Platform Engineer.

This company is looking for a expert level Linux engineer with 10+ years of experience. This principal also must possess extensive experience working with Kubernetes, Terraform, Python/GO, AWS/GCP, etc.

Responsibilities:

Design and evolve the firm's container orchestration and compute platforms (Kubernetes, Incus/LXD, or hybrid systems) to support low-latency, high-availability financial applications. Define infrastructure-as-code (IaC) standards (Terraform, Pulumi, or similar) and ensure consistent, auditable deployments across environments. Lead the adoption of immutable infrastructure principles, secure baseline images, and reproducible environments (RHEL-based). Architect and implement CI/CD pipelines for infrastructure and application deployment with an emphasis on developer experience and velocity. Partner with development, SRE, and security teams to ensure regulatory compliance, change control, and observability across all layers. Establish monitoring, logging, and metrics strategies (Prometheus, Loki, Grafana, OpenTelemetry, etc.) for production and pre-production systems. Drive performance tuning and capacity planning for large-scale, latency-sensitive services. Serve as a technical mentor and thought leader within the organization. Provide strategic input into infrastructure roadmap, vendor selection, and emerging technology evaluations.

Qualifications:

10+ years of professional experience in Linux systems engineering, ideally Red Hat Enterprise Linux (RHEL) or derivatives. 5+ years of experience architecting and operating enterprise-grade Kubernetes platforms, capable of influencing technical direction, setting engineering standards, and serving as the technical authority for our Kubernetes strategy; must have hands-on experience deploying and managing clusters in bare-metal and on-premises environments (self-managed or cloud-native distributions such as EKS, GKE, or OpenShift). Strong proficiency with Python or Go for automation, tooling, and integration with APIs. Deep understanding of networking (TCP/IP, DNS, load balancing) and security fundamentals (RBAC, TLS, secrets management). Expertise with CI/CD tooling (Jenkins, GitHub Actions, ArgoCD, Tekton, etc.) and artifact lifecycle management (Harbor, Pulp, or Artifactory). Proven experience with IaC (Terraform, Pulumi, or Ansible/SaltStack). Familiarity with container image lifecycle management, base image hardening, and SBOM compliance. Exposure to on-prem and hybrid cloud environments (AWS, GCP, or private cloud). Background in SRE practices, including SLI/SLO management, error budgets, and runbook automation. Experience with GitOps, event-driven automation, and declarative configuration management. Extensive experience working in cloud-based environments like AWS, Google Cloud, or Azure. Understanding of compliance frameworks (SOC2, ISO27001, or NIST).