Security-Cleared Systems Administrator (Linux/Windows)

Vibrint; Corridor North (MD); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

401(k) with company match

12 paid federal holidays

Generous PTO

Professional development allowance

Medical/dental/vision insurance

Job summary

Vibrint is hiring a Systems Administrator to sustain Linux and Windows infrastructure supporting DevOps and live mission systems across three backend environments at different classification levels. You will work with a large government and contractor team to maintain servers, VMs, storage, and core services used by mission operators.

The role requires an active TS/SCI with polygraph and US citizenship. You will coordinate work across contracts, apply DISA STIGs, and support Proxmox, Red Hat

Qualifications

• Extensive Linux administration experience in operational environments.
• Ability to manage Linux and Windows infrastructure.
• Experience implementing DISA STIG on Linux systems.

Responsibilities

• Administer and sustain Linux and Windows servers and VMs.
• Maintain backend services across environments with varying classifications.
• Support communications and troubleshoot connectivity issues.
• Review monitoring and updates to identify priorities.
• Investigate and resolve Jira tickets with teams.
• Apply Linux security configurations and STIG compliance.
• Manage storage resources (CFS/DFS, NetApp).
• Configure virtualization platforms (Proxmox, KVM, VMware).
• Troubleshoot IP networking and firewall issues.
• Support containerized and cloud environments.
• Coordinate technical work across contracts and stakeholders.

Skills

Linux administration

Windows administration

DISA STIG compliance

Storage management

Virtualization

IP networking & firewall

Automation tooling

Scripting (Bash/Python)

Container/cloud experience

Cross-team coordination

Education

High school diploma + 20 years experience

Bachelor’s degree + 15 years experience

Tools

Proxmox

Red Hat KVM

VMware

NetApp

CFS/DFS

Nutanix / Harvester / Cisco HyperFlex

Job description

Vibrint is hiring a Systems Administrator to sustain Linux and Windows infrastructure supporting DevOps and live mission systems across three backend environments at different classification levels. You will work with a large government and contractor team to maintain servers, VMs, storage, and core services used by mission operators.

The role requires an active TS/SCI with polygraph and US citizenship. You will coordinate work across contracts, apply DISA STIGs, and support Proxmox, Red Hat