On-Site Linux Systems Administrator (TS/SCI)

Vantor Inc.; Herndon (VA); On-site; USD 102,000 - 150,000; Full time

Benefits offered by this job

401(k) with company match

Medical, dental, vision benefits

Adoption reimbursement

Student loan repayment assistance

Pet insurance

Job summary

Vantor Inc. is seeking a Linux System Administrator to join our Herndon facility. The role requires US citizenship and an active Top Secret/SCI clearance with ability to obtain a CI poly.

On-site work in a SCIF is required, supporting OpenStack, virtualization, and cloud infrastructure. You will monitor systems, troubleshoot outages, and implement cyber security remediations while upgrading applications and planning hardware expansion.

Qualifications

• 8+ years of Linux system administration experience on RHEL-based distributions
• Experience with both physical servers and VMs
• DoD 8570/8140 cybersecurity certification requirements
• Experience with virtualization platforms (OpenStack/Proxmox/VMware)
• Experience with commercial cloud environments (AWS/Azure/GCP)
• Hands-on with endpoint security tools (Tenable Nessus, Trellix, etc.)
• GitLab-based workflow and source control
• Ability to work on-site in a SCIF in Herndon, VA
• Strong troubleshooting in complex computing environments
• Excellent verbal and written communication

Responsibilities

• Monitor hardware and software outages on the platform
• Troubleshoot OpenStack cloud tenants and users via chat/tools
• Implement cybersecurity remediations in coordination with security teams
• Upgrade and deploy applications on the platform
• Integrate new hardware into compute clusters
• Review and update procedures and documentation
• Plan for future hardware recapitalization and expansion
• Collaborate across the full tech stack with diverse team members

Skills

Linux administration

OpenStack

VMware

Cloud platforms (AWS, Azure, GCP)

GitLab

Python scripting

Docker/Podman

Kubernetes

CEPH

Proxmox

RMF/ATO/IS security

RHEL family

Education

Bachelor's degree in Computer Science or related field

Master's degree in Computer Science, Information Systems, Software Engineering or related field

Tools

PuTTY/MobaXTerm/Windows RDP

GitLab for CI/CD workflows

Job description

Vantor Inc. is seeking a Linux System Administrator to join our Herndon facility. The role requires US citizenship and an active Top Secret/SCI clearance with ability to obtain a CI poly.

On-site work in a SCIF is required, supporting OpenStack, virtualization, and cloud infrastructure. You will monitor systems, troubleshoot outages, and implement cyber security remediations while upgrading applications and planning hardware expansion.