Unix/Linux Systems Engineer - Integration & Reliability

Quantum Technologies. LLC; Dallas (TX); On-site; USD 96,000 - 107,000; Full time

Job summary

Quantum Technologies. LLC in Dallas, TX seeks an experienced Systems Administrator – Unix/Linux (Integration Engineer) to support on‑premises infrastructure and applications. The role emphasizes hands-on Linux administration, RHEL environments, and virtualization.

You will collaborate with security, networking, and development teams to improve reliability, deployment efficiency, and platform resilience, with strong focus on documentation and runbooks.

Qualifications

• Strong hands-on Linux/Unix administration, preferably RHEL.
• Linux OS provisioning, patching, upgrades, and kernel management.
• Infrastructure monitoring using Syslog, Splunk, or ELK.
• NFSv4, Kerberos-based ACLs, and network storage management.
• Virtualization experience with Proxmox and/or Red Hat VirtualBox.
• Database backup and configuration management.
• Ability to create dependency, data-flow, and sequence diagrams.

Responsibilities

• Perform Linux OS provisioning, patching, upgrades, kernel updates, and lifecycle management.
• Administer and maintain Red Hat Enterprise Linux (RHEL) environments.
• Create and maintain infrastructure documentation, including diagrams and runbooks.
• Configure and monitor infrastructure using Syslog, Splunk, and ELK.
• Manage network storage and file-sharing using NFSv4 and Kerberos ACLs.
• Handle database backups and configuration management.
• Support virtualization environments, including Proxmox and Red Hat virt-who.
• Troubleshoot infrastructure issues and improve system reliability and performance.
• Collaborate with cybersecurity, networking, development, and operations teams.
• Maintain technical documentation, operational runbooks, and validation procedures.

Skills

Linux/Unix Administration

RHEL

OS provisioning

Infrastructure monitoring

NFSv4 & Kerberos ACLs

Virtualization (Proxmox)

Database backups

Diagrams (dependency/data-flow/seq)

Tools

Proxmox

Red Hat VirtualBox

Splunk

ELK

Job description

Quantum Technologies. LLC in Dallas, TX seeks an experienced Systems Administrator – Unix/Linux (Integration Engineer) to support on‑premises infrastructure and applications. The role emphasizes hands-on Linux administration, RHEL environments, and virtualization.

You will collaborate with security, networking, and development teams to improve reliability, deployment efficiency, and platform resilience, with strong focus on documentation and runbooks.