Mission-Critical Linux Systems Administrator (TS/SCI)

Vibrint; Corridor North (MD); On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

401(k) plan

Paid time off

Health insurance

Job summary

Vibrint seeks a System Administrator to sustain a secure Linux environment supporting mission users. You will manage physical and virtual servers, authentication, DNS, storage, and network connectivity in collaboration with government and contractor teams.

The role may align to Level 2 or 3 based on experience; TS/SCI with polygraph and US citizenship are required. You will contribute to security compliance, automation, and documentation to ensure availability and resilience of critical systems.

Qualifications

• Professional Linux system administration experience appropriate for a Level 2 or Level 3 position.
• Experience applying DISA STIGs and supporting STE, STN, or comparable secure-system compliance activities.
• Experience administering VMware, Red Hat KVM, Proxmox, or similar virtualization technologies.
• Working knowledge of IP networking, firewalls, DNS, authentication, and shared-storage services.
• Active DoD 8570/8140 IAT Level II certification and DoD clearance.

Responsibilities

• Administer, configure, patch, and troubleshoot Linux physical servers and virtual machines.
• Monitor system health and respond to mission-critical alerts, operational issues, and Jira tickets.
• Support authentication, DNS, shared drives, home directories, and communications across backend environments.
• Implement and maintain STE, STN, DISA STIG, and system security plan compliance requirements.
• Administer virtualized environments using VMware, Red Hat KVM, Proxmox, or comparable technologies.
• Support IP networking, firewall rules, and connectivity troubleshooting in coordination with network engineers.
• Manage storage systems and arrays such as NetApp and Isilon.
• Support containerized, cloud, or hyperconverged infrastructure as the environment modernizes.
• Automate routine administration, compliance, and configuration activities where practical.
• Maintain system documentation and communicate operational status to government and contractor team members.

Skills

Linux admin

DISA STIGs

VMware

KVM

Proxmox

IP networking

DNS

Security compliance

Scripting Bash

Education

DoD 8570/8140 IAT Level II

Tools

NetApp

Isilon

Harvester

Nutanix

Cisco HyperFlex

Ansible

Salt

Job description

Vibrint seeks a System Administrator to sustain a secure Linux environment supporting mission users. You will manage physical and virtual servers, authentication, DNS, storage, and network connectivity in collaboration with government and contractor teams.

The role may align to Level 2 or 3 based on experience; TS/SCI with polygraph and US citizenship are required. You will contribute to security compliance, automation, and documentation to ensure availability and resilience of critical systems.