Remote Senior Linux Systems Engineer

Lumen; Augusta (ME); Remote; USD 83,000 - 111,000; Full time

Job summary

Lumen is seeking a Senior Linux Systems Administrator to design, build, secure, operate, and maintain Linux‑based infrastructure for a federal program. The role emphasizes Ubuntu/RHEL, VMware ESXi, vCenter, vSphere, and KVM virtualization, with DevOps responsibilities including CI/CD, automation, and API integration.

The position is remote within the U.S., with 5–20% travel for on‑site customer meetings and hardware servicing.

Qualifications

• Six+ years of Linux systems, infrastructure, network, security, or platform administration.
• Advanced administration experience with Ubuntu and RHEL.
• Strong CLI proficiency and Bash scripting.

Responsibilities

• Design and build secure Linux infrastructure from requirements to production.
• Administer Ubuntu and RHEL systems, perform patching and hardening.
• Manage VMware ESXi, vCenter, vSphere environments and virtual networks.
• Build and maintain KVM environments and support migrations.
• Automate infrastructure with Ansible, Bash, and Python.
• Support REST API integrations and infrastructure code in Git/GitLab CI/CD.
• Create and maintain build guides, diagrams, and runbooks.

Skills

Linux systems

Ubuntu

RHEL

VMware ESXi

vCenter

vSphere

KVM

Nessus

LDAP/AD

Python

Ansible

Git

GitLab CI/CD

Flask/Django basics

Tools

GitLab CI/CD

Vim/CLI

Bash

Job description

Lumen is seeking a Senior Linux Systems Administrator to design, build, secure, operate, and maintain Linux‑based infrastructure for a federal program. The role emphasizes Ubuntu/RHEL, VMware ESXi, vCenter, vSphere, and KVM virtualization, with DevOps responsibilities including CI/CD, automation, and API integration.

The position is remote within the U.S., with 5–20% travel for on‑site customer meetings and hardware servicing.