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Unix/Linux Engineer

Company

Apex Systems

Location

San Antonio, Texas

Posted

July 21, 2026

Position Overview

Job#: 3041530
Job Description:
 Unix/Linux EngineerLocation: San Antonio, Texas (Remote)
Role OverviewWe are seeking a Unix/Linux Engineer with hands-on experience in configuring and troubleshooting SSSD, Linux authentication, and enterprise identity integrations. The selected candidate will support secure OS-level authentication, privilege models, and baseline hardening within a complex environment.
Key ResponsibilitiesUtilize experience with System Security Services Daemon (SSSD), Kerberos, LDAP, and AD integration.
Troubleshoot authentication failures, caching issues, domain joins, and cross-realm trust problems.
Work with RHEL/CentOS/Ubuntu, PAM stack configurations, and sudo policy management.
Implement Linux hardening and secure access patterns.
Work with Endpoint Privileged Management solutions.
Leverage automation experience using bash, Puppet, Ansible, or Python.

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Unix/Linux Engineer

Position Overview

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