Senior Linux Systems Administrator (TS/SCI)

Reflexive Concepts; Fort Meade (MD); On-site; USD 140,000 - 180,000; Full time

Job summary

Reflexive Concepts seeks a skilled System Administrator III to sustain a large-scale Linux computing environment supporting a critical mission. You will install and maintain software, handle day-to-day operations, monitoring, and problem resolution across compute, network, memory, and storage components while upholding security integrity and performance enhancements.

The role requires TS/SCI with FS Polygraph, 15 years of sysadmin experience with a technical degree or 20 years without a degree,

Qualifications

• Active TS/SCI with FS Polygraph.
• 15 years of Systems Administrator experience with a Bachelor’s degree or 20 years of experience in lieu of the degree.
• Security+ certification.

Responsibilities

• Install, configure, and support COTS/GOTS/FOSS software in a large-scale Linux cluster.
• Manage day-to-day operations, monitoring, and problem resolution across compute, network, memory, and storage components.
• Maintain security integrity of the environment and implement OS enhancements for reliability and performance.
• Configure and sustain VMware ESXi/virtualization environments and apply IaC concepts with SaltStack and Ansible.

Skills

Linux CLI

Bash scripting

Python scripting

System administration

Monitoring

Docker

Ansible

SaltStack

VMware ESXi

Security compliance

Education

Bachelor's degree in a technical discipline

20 years of Systems Administration experience in lieu of degree

Tools

Red Hat Satellite

Splunk

Nagios

HPE OneView

Docker

Kubernetes

Job description

Reflexive Concepts seeks a skilled System Administrator III to sustain a large-scale Linux computing environment supporting a critical mission. You will install and maintain software, handle day-to-day operations, monitoring, and problem resolution across compute, network, memory, and storage components while upholding security integrity and performance enhancements.

The role requires TS/SCI with FS Polygraph, 15 years of sysadmin experience with a technical degree or 20 years without a degree,