Unix/Linux Systems Administrator – Integration Engineer (Dallas)

Valiant Technologies LLC; Dallas (TX); On-site; USD 61,000 - 102,000; Full time

Job summary

Valiant Technologies LLC in Dallas, TX is seeking an experienced Systems Administrator – Unix/Linux (Integration Engineer) to support on-premises infrastructure and applications. The role emphasizes hands-on Linux administration, monitoring, virtualization, and storage management to improve reliability and deployment efficiency.

You will collaborate with cybersecurity, networking, development, and operations teams; maintain documentation and runbooks; and participate in lifecycle management,

Qualifications

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

Responsibilities

• Provision, patch, upgrade Linux OS and manage kernel lifecycle.
• Administer Red Hat Enterprise Linux (RHEL) environments.
• Create dependency and data-flow diagrams and runbooks.
• Configure and monitor infrastructure using Syslog, Splunk, ELK.
• Manage network storage with NFSv4 and Kerberos ACLs.
• Handle backups and configuration management for databases.
• Support virtualization via Proxmox and RH virt-who.
• Collaborate with cybersecurity, networking, dev and ops teams.
• Document operations and validation procedures.

Skills

Linux/Unix administration

RHEL

Kernel management

Infrastructure monitoring

Networking fundamentals

Documentation

Tools

Proxmox

Red Hat VirtualBox

Syslog

Splunk

ELK

NFSv4

Kerberos ACLs

Job description

Valiant Technologies LLC in Dallas, TX is seeking an experienced Systems Administrator – Unix/Linux (Integration Engineer) to support on-premises infrastructure and applications. The role emphasizes hands-on Linux administration, monitoring, virtualization, and storage management to improve reliability and deployment efficiency.

You will collaborate with cybersecurity, networking, development, and operations teams; maintain documentation and runbooks; and participate in lifecycle management,