Senior Linux Systems Administrator – Large-Scale Cluster

Captivation-Software; Maryland; On-site; USD 130,000 - 270,000; Full time

Benefits offered by this job

401k contribution up to 20%

Above market hourly rates

HSA contribution $3,600

Company-paid insurance (medical/dental

Vision & Life Insurance

Job summary

Captivation Software is seeking a senior level Systems Administrator to support a large-scale Linux environment, including installation, configuration, and day-to-day operations of compute, network, memory and storage components.

The role focuses on maintaining system security, managing Red Hat Satellite, virtualization (VMware ESXi), and IaC tooling (Ansible, SaltStack) while ensuring compliance with security policies and performance requirements for national security missions.

Qualifications

• Fifteen (15) years' experience as a Systems Administrator in programs and contracts of similar scope, type, and complexity is required.
• Bachelor's degree in a technical discipline from an accredited college or university is required.
• Five (5) years of additional Systems Administration experience may be substituted for a bachelor's degree.
• A Security+ Certification is required.

Responsibilities

• Provide support for a large-scale Linux system including installation, configuration, and support of COTS/GOTS/FOSS software.
• Perform day-to-day operations, monitoring, and problem resolution for compute, network, memory, and storage components.
• Maintain system security integrity and configure network components; implement OS enhancements to improve reliability and performance.

Skills

Linux CLI

Linux cluster administration

Red Hat Satellite

Splunk

VMware ESXi

Infrastructure as Code

SaltStack

Ansible

Security compliance

Nagios

Docker

Kubernetes

Jira/Confluence

Education

Bachelor's degree in a technical discipline

Security+ Certification

Tools

SaltStack

Ansible

Docker

Jira

Confluence

Job description

Captivation Software is seeking a senior level Systems Administrator to support a large-scale Linux environment, including installation, configuration, and day-to-day operations of compute, network, memory and storage components.

The role focuses on maintaining system security, managing Red Hat Satellite, virtualization (VMware ESXi), and IaC tooling (Ansible, SaltStack) while ensuring compliance with security policies and performance requirements for national security missions.