Remote Senior Linux Systems Administrator

RapidFort, Inc.; Ohio; Remote; USD 125,000 - 165,000; Full time

Job summary

RapidFort, Inc. is seeking a Senior Linux Systems Administrator to own and run its infrastructure, including bare‑metal Linux servers, VMs, containers, networks, and self‑hosted services like GitLab and CI.

This is a hands‑on, senior individual‑contributor role with security, reliability and documentation responsibilities. You’ll manage OS lifecycles, patching, kernel upgrades, and incident response, while collaborating with IT, data-center staff and vendors.

Qualifications

• 8+ years administering Linux systems in production with root responsibility.
• Solid knowledge of Debian and other Linux distributions.
• Experience with kernel, systemd, and network stack.
• Familiarity with GitLab administration and CI/CD workflows.

Responsibilities

• Build, configure, and harden Linux systems and services.
• Manage remotely located Linux servers and VMs/containers.
• Run OS lifecycle tasks: patching, upgrades, deprecations.
• Maintain configurations to avoid drift and ensure security.
• Design, run and troubleshoot networks across data centers and cloud.
• Operate AWS resources (EC2, S3) and CI runners.
• Develop and maintain Bash scripts and Ansible playbooks.
• Lead incident response and post-incident reviews.

Skills

Linux administration

8+ years

Debian knowledge

Kernel and boot

Networking (TCP/IP)

DNS/DHCP

Monitoring and troubleshooting

Scripting (bash, Python)

SSH security

Incident response

Tools

GitLab

Ansible

Bash

Python

Terraform/OpenTofu/K8s basics

AWS (EC2, S3)

Linux containers (Docker/KVM/LXC)

Job description

RapidFort, Inc. is seeking a Senior Linux Systems Administrator to own and run its infrastructure, including bare‑metal Linux servers, VMs, containers, networks, and self‑hosted services like GitLab and CI.

This is a hands‑on, senior individual‑contributor role with security, reliability and documentation responsibilities. You’ll manage OS lifecycles, patching, kernel upgrades, and incident response, while collaborating with IT, data-center staff and vendors.