Senior Systems Admin: Linux/Windows, Kubernetes & Cloud

RPMGlobal; Bethesda, Northern (MD, KY); Hybrid; USD 90,000 - 130,000; Full time

Job summary

RPMGlobal seeks a Systems Administrator 3 to support the OSINT Integration Center under the DOMEX Technology Platform. The role focuses on Linux/Windows system administration, performance tuning, and user support in a security-conscious environment.

You will build and maintain server environments, automate with Python and Bash, and manage Kubernetes-based platforms using Rancher and Helm while ensuring compliance and security requirements are met.

Qualifications

• Evidence of Linux system administration on RHEL/CentOS and Ubuntu.
• Strong scripting skills in Python and Bash.
• Experience with patching and virtual server builds.
• Familiarity with Agile project management and security needs.
• Good written and verbal communication.

Responsibilities

• Perform Linux and Windows builds, installations, configurations, administration, and troubleshooting.
• Implement and enforce DISA STIG compliance across systems and networks.
• Develop and maintain server builds for virtual and physical environments.
• Manage and deploy Kubernetes, Rancher, and Helm.
• Develop scripts for patching, configuration, and automation using Python, Bash, or PowerShell.
• Use Salt and Ansible for infrastructure automation.
• Administer AWS cloud environments including provisioning, monitoring, and optimization.
• Provide service desk coverage between 6 AM and 6 PM, Monday through Friday, on a rotational basis.

Skills

Linux administration

Python scripting

Bash scripting

Communication skills

Independent & collaborative work

Air-gapped environments

Privileged User Account readiness

Education

Bachelor's degree in CS/Engineering/related field

Associate degree with 9+ years experience

High School Diploma + 9 years experience

Master's degree + 6 years experience

PhD + 6 years experience

Tools

Kubernetes

Rancher

Helm

Salt

Ansible

AWS

GitLab

Jenkins

ELK stack

Active Directory (Linux)

Job description

RPMGlobal seeks a Systems Administrator 3 to support the OSINT Integration Center under the DOMEX Technology Platform. The role focuses on Linux/Windows system administration, performance tuning, and user support in a security-conscious environment.

You will build and maintain server environments, automate with Python and Bash, and manage Kubernetes-based platforms using Rancher and Helm while ensuring compliance and security requirements are met.