Senior Linux Systems Administrator – Large-Scale Infra

General Dynamics Information Technology; Maryland; On-site; USD 110,000 - 150,000; Full time

Job summary

General Dynamics Information Technology is seeking a Systems Administrator in Maryland to support a large-scale Linux environment. Responsibilities include installing COTS/GOTS/FOSS software, day-to-day operations, monitoring, and problem resolution across compute, network, memory, and storage components.

The role emphasizes security, reliability, and performance enhancements with virtualization and IaC tooling.

Qualifications

• Experience with Linux system administration in large-scale environments.
• Proficiency in Bash and Python scripting.
• Knowledge of security policies and compliance procedures.

Responsibilities

• Install and maintain COTS/GOTS/FOSS software on a Linux cluster.
• Monitor, troubleshoot, and resolve issues across compute, network, memory, and storage components.
• Maintain system security integrity and implement OS enhancements for reliability and performance.
• Configure and sustain VMware ESXi/virtualization environments and IaC tooling (SaltStack, Ansible).

Skills

Linux CLI

Scripting Bash/Python

Large Linux clusters

Security compliance

Monitoring tools

Education

Technical Training or Certification

Tools

Red Hat Satellite

Splunk

VMware ESXi

SaltStack

Ansible

HPE OneView

Nagios

Docker

Kubernetes

Job description

General Dynamics Information Technology is seeking a Systems Administrator in Maryland to support a large-scale Linux environment. Responsibilities include installing COTS/GOTS/FOSS software, day-to-day operations, monitoring, and problem resolution across compute, network, memory, and storage components.

The role emphasizes security, reliability, and performance enhancements with virtualization and IaC tooling.