Senior SysAdmin: Linux/Windows, Kubernetes & Automation

RPMGlobal; Bethesda (MD); Hybrid; USD 120,000 - 150,000; Full time

Job summary

RPMGlobal seeks a Systems Administrator 4 to support the OSINT Integration Center under the DOMEX Technology Platform contract, focusing on Linux and Windows administration, performance optimization, and user support.

The role includes building/hardening servers, implementing DISA STIGs, managing Kubernetes ecosystems, scripting automation, and AWS cloud management, with rotating service desk coverage.

Qualifications

• Experience administering Linux environments (RHEL/CentOS, Ubuntu).
• Experience with Windows system administration and patching.
• Strong scripting skills in Python and Bash/PowerShell.
• Experience with automation tools (Ansible, Salt) and IaC.
• Experience with AWS cloud environments and virtualization.
• Ability to obtain Privileged User Account certification.
• Excellent communication and ability to work independently.
• Experience in air-gapped environments.
• Active TS/SCI with CI Polygraph.

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 systems administration

Windows systems administration

Python scripting

Bash scripting

PowerShell

Kubernetes

Rancher

Helm

Ansible

Salt

AWS

DISA STIG compliance

Communication skills

Team collaboration

Education

Bachelor's degree with 10+ years of experience

Masters' Degree with 10 years experience

PhD with 10 years of experience

Tools

AWS CloudFormation

ArgoCD

Jenkins

GitLab

ELK stack

Active Directory integration with Linux

Air-gapped environments experience

Job description

RPMGlobal seeks a Systems Administrator 4 to support the OSINT Integration Center under the DOMEX Technology Platform contract, focusing on Linux and Windows administration, performance optimization, and user support.

The role includes building/hardening servers, implementing DISA STIGs, managing Kubernetes ecosystems, scripting automation, and AWS cloud management, with rotating service desk coverage.