Lead Linux Platform Engineer: Kubernetes & Automation

Request Technology, LLC; Chicago (IL); On-site; USD 120,000 - 160,000; Full time

Job summary

Request Technology, LLC is seeking a Senior Linux Platform Engineer to join our team. The role focuses on Linux infrastructure, performance, and reliability, with hands-on work in Python, Bash, and configuration management tools.

You will design, deploy, and maintain on-premises Kubernetes clusters, automate workflows, and collaborate across SRE, development, and security teams to ensure secure, automated CI/CD and platform integration.

Qualifications

• 5+ years of experience in Linux systems administration and infrastructure/platform engineering.
• Production experience managing Kubernetes, preferably in bare-metal or on-premises environments (e.g., kubeadm, RKE, or OpenShift).
• Strong scripting and automation skills in Python and Bash.
• In-depth knowledge of Linux internals, kernel tuning, and performance diagnostics.
• Hands-on experience with SaltStack (preferred), Puppet, or Ansible for configuration management.
• Familiarity with observability tools such as Prometheus, Grafana, or Loki.
• Solid understanding of core infrastructure protocols and services (TCP/IP, DNS, NTP/PTP, DHCP). Experience managing CI/CD pipelines with tools such as Jenkins, GitLab, or similar.

Responsibilities

• Managing and improving Linux-based infrastructure with a focus on performance, reliability, and scalability.
• Designing, deploying, and maintaining on-premises Kubernetes clusters and containerized workloads.
• Developing and maintaining system-level software, middleware, and APIs to support internal platforms and services.
• Automating system workflows and infrastructure tasks using Python, Bash, and configuration management tools like SaltStack.
• Building and maintaining RPM packages and internal software repositories.
• Collaborating with Application Support (SRE), Development, and Security teams to ensure secure, automated CI/CD and platform integration.
• Diagnosing and resolving complex system-level issues involving the OS, network, or container runtime.
• Implementing hardened security configurations, including system hardening, secure communications, and identity/access integration.
• Participating in an on-call rotation to support critical infrastructure services.
• Documenting architectures, tools, and operational processes to support long-term maintainability.

Skills

Python scripting

Bash scripting

Linux performance tuning

CI/CD concepts

Tools

Kubernetes

SaltStack

Ansible

Puppet

rpm packaging

OpenShift

Job description

Request Technology, LLC is seeking a Senior Linux Platform Engineer to join our team. The role focuses on Linux infrastructure, performance, and reliability, with hands-on work in Python, Bash, and configuration management tools.

You will design, deploy, and maintain on-premises Kubernetes clusters, automate workflows, and collaborate across SRE, development, and security teams to ensure secure, automated CI/CD and platform integration.