Cyber Infrastructure Engineer - Linux, Kubernetes, Automation

Jobtome; Castle Rock (SD); On-site; USD 81,000 - 150,000; Full time

Benefits offered by this job

Health and disability insurance

401(k) match

Flexible spending accounts

EAP

Education assistance

Parental leave

Paid time off

Company-paid holidays

Job summary

L3Harris Technologies is seeking a mid-to-senior Systems Administrator to support enterprise Linux infrastructure and platform environments in a mission-critical setting.

The role emphasizes automation, container orchestration using Kubernetes/OpenShift, and cybersecurity compliance within a SAFe Agile framework. Strong Linux, scripting, and collaboration with cross-functional teams are essential.

Qualifications

• Bachelor's degree with 4+ years of relevant experience required.
• Graduate degree with 2+ years of related experience preferred.
• DoD 8570.01‑M IAT Level 2 certification or higher required.
• Security+ CE or higher certification.
• Top Secret SCI clearance preferred; SCI eligibility acceptable.
• Experience in DoD/IC security environments is a plus.

Responsibilities

• Administer, maintain, and troubleshoot Red Hat Enterprise Linux in production.
• Support virtualization (VMware) and OpenShift container platforms for deployment and sustainment.
• Automate tasks with Ansible for configuration, patching, and deployment.
• Operate Kubernetes-based workloads, clusters, and platform troubleshooting.
• Follow SAFe Agile practices with team ceremonies and sprints.

Skills

Linux system administration

Automation

Container orchestration

Agile SAFe

Cybersecurity compliance

Python scripting

DoD 8570 compliance

Education

Bachelor's Degree + 4+ years

Graduate Degree + 2+ years

8+ years experience in lieu of degree

Tools

VMware

OpenShift

Kubernetes

Ansible

Red Hat Satellite

Splunk

JIRA

GitHub

Jenkins

Job description

L3Harris Technologies is seeking a mid-to-senior Systems Administrator to support enterprise Linux infrastructure and platform environments in a mission-critical setting.

The role emphasizes automation, container orchestration using Kubernetes/OpenShift, and cybersecurity compliance within a SAFe Agile framework. Strong Linux, scripting, and collaboration with cross-functional teams are essential.