Unix-Linux Engineer

Job Summary

Seeking a remote contract Unix/Linux Engineer, the successful candidate will manage configuring and troubleshooting SSSD, Linux authentication, and enterprise identity integrations while supporting secure OS-level authentication and privilege models.

Key responsibilities

• Utilize experience with System Security Services Daemon (SSSD), Kerberos, LDAP, and Active Directory integration
• Troubleshoot authentication failures, caching issues, domain joins, and cross-realm trust problems
• Implement Linux hardening and secure access patterns using RHEL/CentOS/Ubuntu and PAM stack configurations

Required qualifications

• Hands-on experience with SSSD, Kerberos, LDAP, and Active Directory
• Proficiency in troubleshooting authentication and domain issues
• Experience with Linux distributions such as RHEL, CentOS, or Ubuntu
• Familiarity with automation tools like bash, Puppet, Ansible, or Python
• Knowledge of PAM stack configurations and sudo policy management