Senior Linux Platform Engineer

Request Technology, LLC; New York (NY); Ibrido; USD 140.000 - 200.000; Tempo pieno

Descrizione del lavoro

Request Technology, LLC in the United States is seeking a senior Linux systems administrator / infrastructure engineer to design and operate on‑prem Kubernetes clusters and related platforms across multiple sites (Chicago, IL; Kansas City, MO; New York, NY).

You will automate with Python and Bash, manage CI/CD pipelines, and collaborate with SRE, Dev, and Security teams to ensure secure, scalable, and observable systems using SaltStack or Ansible, Prometheus, Grafana, and Loki.

Competenze

• 5+ years of Linux systems administration and infra engineering.
• Production Kubernetes on-prem or bare-metal experience.
• Cloud platform experience (AWS/Azure/GCP) in production.
• Strong scripting in Python and Bash.
• Knowledge of Linux internals, kernel tuning, performance diagnostics.
• Experience with SaltStack, Puppet, or Ansible for configuration management.
• Observability tools: Prometheus, Grafana, Loki.
• Networking essentials: TCP/IP, DNS, NTP, DHCP.
• CI/CD pipelines with Jenkins, GitLab, or similar.

Mansioni

• Manage and improve Linux-based infrastructure for performance and reliability.
• Design, deploy, and maintain on-prem Kubernetes clusters and workloads.
• Develop system software, middleware, and APIs to support internal platforms.
• Automate workflows and infrastructure tasks with Python, Bash, and config mgmt tools.
• Build and maintain RPMs and internal software repositories.
• Collaborate with SRE, Development, and Security teams for secure CI/CD integration.
• Diagnose complex issues in OS, network, or container runtime.
• Apply hardened security configurations and identity/access integration.
• Participate in on-call rotation to support critical services.
• Document architectures, tooling, and operational processes.

Conoscenze

Linux systems administration

Python scripting

Bash scripting

Linux kernel tuning

Performance diagnostics

General networking (TCP/IP DNS NTP/DH

Strumenti

Kubernetes

OpenShift

kubeadm/RKE

SaltStack

Puppet

Ansible

Jenkins

GitLab

Prometheus

Grafana

Loki

AWS

Azure

GCP

Descrizione del lavoro

Location: Chicago, IL / Kansas City, MO / New York, NY

Hybrid: 4 days onsite, 1 day remote

*We are unable to provide sponsorship for this role*

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., with kubeadm, RKE, or OpenShift).
• Hands-on experience with cloud platforms (AWS, Azure or GCP) in production environments.
• 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, etc.).
• Experience managing CI/CD pipelines with tools such as Jenkins, GitLab, or similar.

Responsibilities

• Managing and improving our 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.