Top Secret/SCI Systems Engineer & Admin

Probity Inc.; Chantilly (VA); On-site; USD 120,000 - 180,000; Full time

Job summary

Probity Inc. is seeking a Systems Engineer/Systems Administrator in Chantilly, VA. The role focuses on server and network administration within a cross-domain environment, delivering secure, scalable solutions across the product lifecycle.

The ideal candidate has extensive Linux and virtualization experience, hands-on automation skills with Ansible/PowerShell, and familiarity with container tech such as Docker and Kubernetes. Top Secret/SCI clearance with polygraph is required.

Qualifications

• Bachelor’s degree in computer science or IT required.
• Active Top Secret/SCI clearance with polygraph required.
• Minimum 7 years of relevant systems engineering/administration experience.

Responsibilities

• Maintain and secure cross-domain server and network infrastructure.
• Build, deploy, patch, and maintain physical/virtual servers in server rooms.
• Administer Linux (RHEL/Rocky) and virtualization platforms; troubleshoot end-to-end.
• Automate configuration and deployment using DevOps tools.

Skills

Server and network administration

Linux administration

Virtualization (VMware vCenter/vSphere

Automation scripting (Ansible, PowerCI

Docker

Kubernetes

LDAP/Kerberos/NFS/SELinux

Networking concepts (TCP/UDP, Routing,

Incident response/on-call support

Technical documentation

Education

Bachelor’s Degree in computer science, Information Technology, or similar

Tools

VMware vCenter/vSphere

Hyper-V

Red Hat Enterprise Linux

Rocky Linux

Ansible

PowerCLI

PowerShell

Bash

Docker

Kubernetes

Job description

Probity Inc. is seeking a Systems Engineer/Systems Administrator in Chantilly, VA. The role focuses on server and network administration within a cross-domain environment, delivering secure, scalable solutions across the product lifecycle.

The ideal candidate has extensive Linux and virtualization experience, hands-on automation skills with Ansible/PowerShell, and familiarity with container tech such as Docker and Kubernetes. Top Secret/SCI clearance with polygraph is required.