Senior Cyber Infrastructure Engineer – Linux & Automation

Jobtome; Pueblo (CO); On-site; USD 81,000 - 150,000; Full time

Benefits offered by this job

Health insurance

401(k) match

Paid time off

Job summary

L3Harris is seeking a mid-to-senior Systems Administrator to support enterprise Linux infrastructure, automation, and modernization efforts in a defense-focused environment. The role emphasizes RHEL expertise, OpenShift and Kubernetes, and SAFe Agile practices to ensure secure, scalable operations across virtualized and containerized platforms.

The ideal candidate will have a strong automation background, experience with Ansible, Splunk for monitoring, and a track record of delivering reliable

Qualifications

• Bachelor’s Degree required with 4+ years related experience; graduate degree with 2+ years is preferred.
• DoD 8570.01-M IAT Level 2 or higher required (Security+ CE or higher).
• Top Secret SCI clearance preferred or SCI eligibility.

Responsibilities

• Administer, maintain, and troubleshoot Red Hat Enterprise Linux systems in production environments.
• Support virtualized infrastructure using VMware and OpenShift for deployments and sustainment.
• Automate tasks with Ansible for config, patching, and deployments.
• Work with Kubernetes-based environments for container orchestration and platform troubleshooting.
• Operate in a SAFe Agile framework with sprint planning and ceremonies.

Skills

RHEL

Automation

Agile SAFe

System troubleshooting

Education

Bachelor’s Degree

Graduate Degree

Experience alternative

Tools

OpenShift

VMware

Ansible

Kubernetes

Splunk

Jira

GitHub

Jenkins

Python

Job description

L3Harris is seeking a mid-to-senior Systems Administrator to support enterprise Linux infrastructure, automation, and modernization efforts in a defense-focused environment. The role emphasizes RHEL expertise, OpenShift and Kubernetes, and SAFe Agile practices to ensure secure, scalable operations across virtualized and containerized platforms.

The ideal candidate will have a strong automation background, experience with Ansible, Splunk for monitoring, and a track record of delivering reliable