TS/SCI Cleared SysAdmin – Linux & Windows Infra

Vibrint; Hanover (MD); On-site; USD 110,000 - 160,000; Full time

Job summary

Vibrint seeks a Systems Administrator to sustain Linux and Windows infrastructure across multiple environments supporting DevOps and live mission systems. The role requires active TS/SCI with polygraph clearance and US citizenship, with responsibilities spanning server, VM, storage, networking, and virtualization management.

The candidate will collaborate with a large government/contractor team, handle security configurations, and ensure mission-critical systems remain secure and available

Qualifications

• Extensive Linux administration experience in operational environments.
• Ability to support infrastructure with both Linux and Windows systems.
• Solid experience implementing DISA STIG compliance on Linux systems.
• Experience with storage technologies (CFS/DFS and NetApp).
• Experience administering virtualization platforms (Proxmox, Red Hat KVM, VMware).
• Experience with IP networking and firewalls.
• Some experience with containerized or cloud environments.

Responsibilities

• Administer and sustain Linux and Windows physical servers and VMs supporting DevOps and live mission systems.
• Maintain backend services across three environments at different classification levels.
• Support authorized communications and troubleshoot connectivity issues.
• Review system monitoring and mission updates to identify priorities.
• Investigate and resolve Jira tickets with technical teams.
• Apply Linux security configurations and support STIG compliance.
• Manage storage resources (CFS/DFS and NetApp).
• Configure virtualization platforms and troubleshoot virtualization issues.
• Troubleshoot IP networking and firewall issues affecting availability.
• Support containerized and cloud environments.
• Coordinate technical work across multiple contracts and government stakeholders.

Skills

Linux administration

Windows administration

DISA STIG compliance

Jira coordination

IP networking/firewalls

Containerized/cloud support

Education

Bachelor’s degree in Computer Science or related field

High school diploma + 20 years of systems administration experience

Tools

Proxmox

Red Hat KVM

VMware

Ansible

Salt

Rubrik/NetBackup

Job description

Vibrint seeks a Systems Administrator to sustain Linux and Windows infrastructure across multiple environments supporting DevOps and live mission systems. The role requires active TS/SCI with polygraph clearance and US citizenship, with responsibilities spanning server, VM, storage, networking, and virtualization management.

The candidate will collaborate with a large government/contractor team, handle security configurations, and ensure mission-critical systems remain secure and available