Senior Red Hat SysAdmin - Part-Time, Onsite

Saalex; Ridgecrest (CA); On-site; USD 52,000 - 55,000; Part time

Benefits offered by this job

20-25 hour work week

On-site at China Lake

Opportunities for DoD credentialing

Job summary

Saalex Solutions in Ridgecrest, CA seeks a Senior Red Hat & Cloud Systems Administrator to maintain and modernize mission-critical Linux environments and AWS cloud resources. This part-time role offers 20-25 hours per week with on-site work at China Lake.

You'll implement automation, security hardening, and CI/CD pipelines while supporting DoD systems. A strong RHCSA/RHCE, DoD 8570 II, and extensive Linux experience are required.

Qualifications

• Active RHCSA or RHCE certification.
• Active DoD 8570/8140 IAT Level II certification.
• Hands-on AWS services and scripting/automation experience.
• 8-10+ years Linux system administration experience or BS/MS with relevant work.
• Familiarity with DISA STIGs and RMF controls.

Responsibilities

• Deploy, configure, and administer multi-distribution Linux environments (RHEL/CentOS/Ubuntu).
• Support and maintain scalable AWS infrastructure (VPC, EC2, S3, IAM).
• Automate provisioning with Ansible, Terraform, or CloudFormation.
• Apply DISA STIGs and RMF compliance controls; remediate vulnerabilities.
• Maintain CI/CD pipelines to enable secure software releases.
• Monitor performance and troubleshoot network routing and security.

Skills

Bash

Python

Ansible

Terraform

Linux administration

AWS

CI/CD

Networking

Education

RHCSA/RHCE certification

DoD 8570/8140 IAT II certification

Bachelor’s degree in technical field

Linux admin experience 8-10+ years

Tools

AWS (VPC, EC2, S3, IAM)

CloudFormation

Docker/Kubernetes/OpenShift

GitLab CI/CD, Jenkins, CodePipeline

Job description

Saalex Solutions in Ridgecrest, CA seeks a Senior Red Hat & Cloud Systems Administrator to maintain and modernize mission-critical Linux environments and AWS cloud resources. This part-time role offers 20-25 hours per week with on-site work at China Lake.

You'll implement automation, security hardening, and CI/CD pipelines while supporting DoD systems. A strong RHCSA/RHCE, DoD 8570 II, and extensive Linux experience are required.