Linux Administrator - RHDS & RHSSO Support

Role & responsibilities :

• Administer and maintain Red Hat Enterprise Linux (RHEL) servers in production, UAT, and DR environments.
• Perform OS installation, patching, upgrades, performance tuning, and system hardening.
• Configure and manage LVM, multipath, NFS, Samba, and storage administration.
• Monitor server performance, capacity planning, and resource utilization.
• Automate routine administrative tasks using Shell scripting, Python, or Ansible.
• Manage system logs, troubleshooting, and incident resolution.

RHSSO / RHBK (Key cloak) Administration

• Install, configure, and manage RHSSO/RHBK environments.
• Configure authentication and authorization mechanisms.
• Implement Single Sign-On (SSO), OAuth 2.0, OpenID Connect (OIDC), and SAML integrations.
• Integrate RHSSO/RHBK with:
• Active Directory (AD)
• RHEL administration
• Package management (RPM, YUM, DNF)
• LDAP
• Microsoft Entra ID (Azure AD)
• Third-party applications
• Connection failures
• Authentication problems
• Certificate-related issues
• Database corruption and recovery
• Configure Identity Federation and User Federation.
• Manage realms, clients, users, roles, groups, and policies.
• Perform backup, recovery, clustering, and high availability setup.
• Troubleshoot authentication issues and token-related problems.
• Support migration from RHSSO to RHBK versions where applicable.
• Install, configure, and administer Microsoft SQL Server databases.
• Manage database availability, backups, restoration, and disaster recovery.
• Monitor SQL Server performance and optimize queries.
• Configure and maintain Always on Availability Groups and clustering.
• Perform database patching and upgrades.
• Manage security, user access, roles, and permissions.
• Support application teams in database-related troubleshooting.
• Implement server hardening in line with security best practices.
• Conduct vulnerability remediation and security patch management.
• Support audit, compliance, and regulatory requirements.
• Implement certificate management, SSL/TLS configuration, and key management.
• Utilize monitoring tools such as Nagios, Zabbix, Prometheus, Grafana, Splunk, or ELK Stack.
• Develop automation scripts for deployment, monitoring, and maintenance activities.
• Support CI/CD integrations where required.

Preferred candidate profile

• Experience: 7 + years managing RHSSO/RHDS/RHBK/Key cloak experience in enterprise environments along with enterprise IT infrastructure and identity systems

• Education: Bachelors degree in Computer Science, Information Technology.

• Security Knowledge: Strong understanding of ITIL, SSO, OAuth flows, Security and compliance frameworks (e.g. RBI, ISMS, HIPAA, GDPR).

• Certifications: Red Hat certifications such as RHCSA/RHCE preferred, along with Microsoft SQL Server certification are highly preferred.

Mandatory Skills

• 6–8 years of Linux Administration experience.

• Strong hands-on experience with RHEL 7/8/9.

• Experience administering RHSSO or RHBK (Key cloak).

• Good knowledge of OAuth2, OIDC, and SAML protocols.

• Experience integrating Key cloak/RHSSO with Active Directory and LDAP.

• Hands-on experience with Microsoft SQL Server Administration.

• Shell scripting for automation and troubleshooting.

• Experience with SSL/TLS certificate management.

• HA/DR Configuration and Management

• Strong troubleshooting and analytical skills.