Senior Cyber Infrastructure Engineer — Linux, Kubernetes

Jobtome; Butte (MT); 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 maintain enterprise Linux infrastructure, automation, and platform environments in a mission-critical setting. The role emphasizes reliability, security, and scalable operations across virtualized and containerized environments.

The ideal candidate will have strong Red Hat Linux experience, automation skills with Ansible, and hands-on Kubernetes/OpenShift expertise, plus SAFe Agile experience and security clearances as

Qualifications

• Bachelor's Degree and minimum 4 years of prior relevant experience.
• Graduate Degree and a minimum of 2 years of prior related experience.
• In lieu of a degree, minimum of 8 years of prior related experience.
• Clearance: Top Secret SCI preferred. SCI eligible at minimum.
• DoD 8570.01‑M IAT Level 2 Required
• Professional Certifications: Security+ CE, or higher certification

Responsibilities

• Experience administering, maintaining, and troubleshooting Red Hat Enterprise Linux systems in a production enterprise environment, including system configuration, patching, performance tuning, and issue resolution.
• Hands‑on experience supporting virtualized infrastructure using VMware and/or container platform environments using OpenShift, including deployment, configuration, and ongoing system sustainment.
• Experience using Ansible for automation of system administration tasks, configuration management, application deployment, patching, and repeatable infrastructure support activities.
• Working knowledge of Kubernetes architecture and experience supporting containerized applications, cluster operations, workload deployments, and platform troubleshooting.
• Experience operating within a SAFe Agile framework, including participation in team ceremonies, sprint planning, backlog refinement, and delivery of work in an iterative development environment.

Skills

Linux administration

Automation

Container orchestration

SAFe Agile

Security compliance

Python scripting

Education

Bachelor's Degree

Graduate Degree

8 years experience in lieu of degree

Tools

OpenShift

Ansible

Kubernetes

VMware

Red Hat Satellite

Splunk

JIRA

GitHub

Jenkins

Python

Job description

L3Harris Technologies is seeking a mid-to-senior Systems Administrator to maintain enterprise Linux infrastructure, automation, and platform environments in a mission-critical setting. The role emphasizes reliability, security, and scalable operations across virtualized and containerized environments.

The ideal candidate will have strong Red Hat Linux experience, automation skills with Ansible, and hands-on Kubernetes/OpenShift expertise, plus SAFe Agile experience and security clearances as