Systems Administrator 4

RPMGlobal; Bethesda, Northern (MD, KY); Hybrid; USD 140,000 - 190,000; Full time

Job summary

RPMGlobal is seeking an experienced Systems Administrator 4 to support the OSINT Integration Center under the DOMEX Technology Platform contract. The role emphasizes Linux/Windows administration, performance optimization, and user support.

You will implement DISA STIGs, build and maintain server environments, and manage Kubernetes, Rancher, and Helm while developing automation scripts. A TS/SCI with CI polygraph is required, along with strong communication skills.

Qualifications

• Active TS/SCI with the ability to obtain a CI Polygraph.
• Bachelor's degree with at least ten years of experience in the field.
• Expertise in Linux systems administration (RHEL/CentOS and Ubuntu).
• Experience patching and building virtual servers.
• Familiarity with Agile project management and security requirements derivation.
• Strong scripting in Python and Bash.
• Excellent verbal and written communication skills.
• Ability to work independently and in a team.
• Experience in air-gapped environments.
• Ability to obtain Privileged User Account certification by the Government.

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

Scripting (Python/Bash)

DISA STIG

Kubernetes

Rancher

Helm

AWS

Agile

Excellent communication

Education

Bachelor's degree

Master's degree

PhD

Tools

Kubernetes

Rancher

Helm

Ansible

Salt

AWS CloudFormation

ArgoCD

Jenkins

GitLab

ELK Stack

Beats

Active Directory (Linux)

Job description

Position Summary

Support the OSINT Integration Center under the DOMEX Technology Platform contract as a Systems Administrator 4 focused on Linux and Windows systems administration, performance optimization, and user support.

Essential Duties and 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.

Required Qualifications

• Active TS/SCI with ability to obtain a CI Polygraph.
• Bachelor's degree with a minimum of ten years of experience in the category field.
• Expertise in Linux systems administration, including RHEL/CentOS and Ubuntu.
• Experience with patching and virtual server builds.
• Familiarity with Agile project management and security requirements derivation.
• Strong scripting skills in Python and Bash.
• Excellent verbal and written communication skills.
• Ability to work independently and collaboratively in a team environment.
• Experience working in air-gapped environments.
• Ability to obtain Privileged User Account certification by the Government.

Preferred Qualifications

• Experience with Kubernetes, Rancher, and infrastructure-as-code tools such as AWS CloudFormation.
• Familiarity with ArgoCD, Jenkins, and GitLab.
• Knowledge of the ELK stack and beats.
• Experience with Active Directory in a Linux environment.
• Background maintaining AI/ML environments and large data storage solutions.

Required Education and Experience Equivalency

• Bachelors' Degree with 10 years of experience.
• Masters' Degree with 10 years of experience.
• PhD with 10 years of experience.

RequiredCertifications

• None specified.

Required Security Clearance

• Active TS/SCI with ability to obtain a CI Polygraph.